| 单词 | periodicity |
| 例句 | They come from the rise and fall of the melodic line, from the periodicity of the tune. Stephen Sondheim, Rob Marshall and Meryl Streep on 'Into the Woods' 2014-12-12T05:00:00Z But then he told me about the weak evidence for periodicity that’s in the crater record. What really wiped out the dinosaurs: “It’s only when you have large aggregations of dark matter that it can have this enormous effect” 2015-12-05T05:00:00Z This feature is achievable because quantum computers operate in a realm known as "quantum space," characterized by periodicity, and no need for endless subdivisions. Exploring parameter shift for quantum fisher information 2023-10-11T04:00:00Z Detected by emitted luminosity, they spin and oscillate to the same height repeating to the same frequency— like ticking clocks with a predictable periodicity, but patterned across time, invisible to sight. Poem: ‘A Quantum Cento’ 2023-02-04T05:00:00Z But human influence is affecting the dynamics of weather systems, the periodicity of the jet stream and the moisture-holding capacity of the atmosphere. Analysis | Five 1,000-year rain events have struck the U.S. in five weeks. Why? 2022-08-23T04:00:00Z The primary focus of this section will be the application of periodicity to the representative metals. Chemistry 2019-02-14T00:00:00Z Of those who believe periodicity is present, a period of 26 million years is favored. Biology for AP Courses 2022-06-09T00:00:00Z The periodicity of the Pleistocene glaciations is related to subtle changes in Earth’s orbital characteristics, which are exaggerated by a variety of positive feedback processes. Physical Geology 2015-01-01T00:00:00Z These so-called solitary waves, or solitons, emerged and formed the parade with a predictable periodicity, marching perfectly on beat, consequently building a time crystal. Time Crystals Made of Light Could Soon Escape the Lab 2022-03-09T05:00:00Z “This rapid periodicity is hinting that the x-ray source is compact and small,” says Brian Metzger, an astrophysicist at Columbia University and a co-author on the study. Stellar explosion could be a failed supernova giving birth to a black hole 2021-07-20T04:00:00Z Rampino said he and his colleagues used the most recent and accurate dates to do a formal statistical analysis and identify any periodicity. The "pulse" of the Earth: Disastrous geologic events happen every 27 million years, study finds 2021-06-24T04:00:00Z A wave with this periodicity is drawn on the figure. Biology for AP Courses 2022-06-09T00:00:00Z Many different avenues of prediction have been explored, such as using observations of warning foreshocks, changes in magnetic fields, seismic tremor, changing groundwater levels, strange animal behaviour, observed periodicity, stress transfer considerations, and others. Physical Geology 2015-01-01T00:00:00Z Eventually, however, a light intensity pattern would spontaneously emerge with a starkly different periodicity set by the solitons parading through the cavity. Time Crystals Made of Light Could Soon Escape the Lab 2022-03-09T05:00:00Z While Jerolmack was learning about the periodicity and quasi-predictability of avulsions inland, Michael Lamb, a geomorphologist at the California Institute of Technology, wanted to understand the mystery of recurrent avulsions downstream, in river deltas. Why do rivers leap from their banks? Scientists strive to predict deadly flooding events 2021-05-13T04:00:00Z But the famous periodicity of cicada broods can set some predators up for feast-then-famine scenarios—population booms followed by food insecurity and then sudden drops in numbers. Brood X Cicadas Could Cause a Bird Baby Boom 2021-04-09T04:00:00Z Perhaps the extremes of a mountain lifestyle pressed them to periodicity. Millipede Swarms Once Stopped Japanese Trains in Their Tracks 2021-01-12T05:00:00Z Perhaps periodicity is the key to understanding the mechanism underlying them, and if so, “it would mean that these natural phenomena are defeating the ability of the human imagination to explain it”. Daily briefing: Huge circle of Neolithic shafts discovered near Stonehenge 2020-06-21T04:00:00Z In either case, the laser or the thread helps crystals form, but their periodicity, their patterning, is fully their own. Time Crystals Made of Light Could Soon Escape the Lab 2022-03-09T05:00:00Z Future independent confirmation of the periodicity using other telescopes would strengthen confidence in the authors’ conclusion. Unexpected emission pattern adds to the enigma of fast radio bursts 2020-06-16T04:00:00Z His orbital theory gained support from marine sediment records5, which exhibit periodicities similar to Earth’s orbital parameters. Forty years of ice-core records of CO2 2020-03-22T04:00:00Z "The discovery of a 16.35-day periodicity in a repeating FRB source is an important clue to the nature of this object." Scientists pinpoint mysterious repeating radio signal from outside our galaxy 2020-02-10T05:00:00Z "We conclude that this is the first detected periodicity of any kind in an FRB source," the researchers wrote in the study. Mysterious signal from deep space is repeating in 16-day cycle 2020-02-10T05:00:00Z She used a relationship between the luminosities and periodicities of variable stars to measure distances to galaxies. Vera Rubin Gets a Telescope of Her Own 2020-01-11T05:00:00Z If so, the supposed periodicity would disappear — and at least some theorists would breathe a sigh of relief. Unexpected emission pattern adds to the enigma of fast radio bursts 2020-06-16T04:00:00Z For example, NGOs would be unlikely to guarantee country-level coverage, uniformity in data collection, periodicity or commitment to conservation and oversight of data access. Census: on paper, by governments, is still best 2020-01-06T05:00:00Z "We conclude that this is the first detected periodicity of any kind in an FRB source," the researchers said in the paper. Scientists pinpoint mysterious repeating radio signal from outside our galaxy 2020-02-10T05:00:00Z In the twentieth century, scientists realized that periodicity wasn’t determined by atomic weight; instead, what mattered was the number of protons that each atom contained in its nucleus. The Histories Hidden in the Periodic Table 2019-12-27T05:00:00Z Jin et al. then experimentally demonstrated their mechanism by fabricating a set of silicon membranes that had different lattice periodicities. Light trapping gets a boost 2019-10-22T04:00:00Z The second possibility is that long-term monitoring validates the claimed period of the bursts for this source, but that no other FRB source displays a clear long-term periodicity. Unexpected emission pattern adds to the enigma of fast radio bursts 2020-06-16T04:00:00Z Initially, the table’s periodicity and its remarkable predictive powers seemed like a “numerological mystery,” Dr. Rocke said. Is It Time to Upend the Periodic Table? 2019-08-27T04:00:00Z Elements in that row might even destroy the table's very periodicity because chemical and physical properties might not repeat at regular intervals anymore. A storied Russian lab is trying to push the periodic table past its limits—and uncover exotic new elements 2019-01-30T05:00:00Z The periodicity in the properties of the elements, and therefore the fundamental shape of the table, stems from the way in which electrons fill discrete energy levels in the atoms of any given element. Anniversary celebrations are due for Mendeleev’s periodic table 2019-01-29T05:00:00Z A key question is how much the superheavy elements sustain the periodicity in chemical behaviour that underpins Mendeleev’s table. Extreme chemistry: experiments at the edge of the periodic table 2019-01-29T05:00:00Z But the final possibility is the most intriguing: that long-term periodicity is the norm for repeating FRBs. Unexpected emission pattern adds to the enigma of fast radio bursts 2020-06-16T04:00:00Z In the 20th century, the periodicity came to be explained by quantum physics — specifically, the physics of how electrons orbit the nucleus. Is It Time to Upend the Periodic Table? 2019-08-27T04:00:00Z In particular, the sine qua non of the periodic table—its periodicity—could break down completely. A storied Russian lab is trying to push the periodic table past its limits—and uncover exotic new elements 2019-01-30T05:00:00Z The very first hint of chemical periodicity was announced by a French engineer, Alexandre-Émile de Chancourtois, who also designed a three-dimensional periodic system that he named the telluric screw. Happy Sesquicentennial, Periodic Table! 2019-01-22T05:00:00Z In his opinion, researchers won’t see a marked loss of chemical periodicity until they find elements beyond 120. Extreme chemistry: experiments at the edge of the periodic table 2019-01-29T05:00:00Z If so, then such periodicity might be at the heart of the FRB mechanism — and it would mean that these natural phenomena are defeating the ability of the human imagination to explain it. Unexpected emission pattern adds to the enigma of fast radio bursts 2020-06-16T04:00:00Z Russian chemist and inventor Dmitri Mendeleev made his famous disclosure on periodicity in 1869. Uni periodic table 'is world's oldest' 2019-01-17T05:00:00Z This periodicity is to Webster the most exciting part of his team’s results. Curiosity Rover Uncovers Long-Sought Organic Materials on Martian Surface 2018-06-07T04:00:00Z A mirror civilization, a periodicity of the whole human experience? '2001: A Space Odyssey' still blowing minds 50 years later 2018-05-17T04:00:00Z “It’s very straightforward to measure the periodicities and intensities and determine the rotation rate deep inside the interior of the planet.” Cassini's "Grand Finale" Could Solve Saturn's Lingering Mysteries 2017-08-22T04:00:00Z Many objects in space, like pulsars, send out radio signals with a certain periodicity: flashes of electromagnetic activity that switch on and off at regular rates. Greetings, E.T. (Please Don’t Murder Us.) 2017-06-28T04:00:00Z Only a few of these showers are necessary to lead to the false impression of periodicity. Could Asteroids Bombard the Earth to Cause a Mass Extinction in 10 Million Years? 2017-06-25T04:00:00Z What’s helpful here is the strong sense of periodicity, as well as Richman’s description of the way the old right brought together different strands, not all of which were innately or originally right-wing. From the “old right” to the alt-right: How the conservative ideology of FDR’s day fueled the rise of Trump 2016-10-08T04:00:00Z “Sooner or later, I think it’s going to reveal its periodicity,” says Lorimer, who’s at West Virginia University. Astronomers Discover a New Kind of Radio Blast From Space 2016-03-02T05:00:00Z Doppler beaming, the process wherein matter moving close to light-speed appears to change in brightness based on its position, explains the quasar’s periodicity. Flickering Quasar May Hold Black Holes on Collision Course 2015-09-22T04:00:00Z Extinction periodicity, as it is known, enlivened the study of huge volcanic eruptions and of changes in the earth’s magnetic field that may have coincided with periods of mass extinction. David M. Raup, Who Transformed Field of Paleontology, Dies at 82 2015-07-15T04:00:00Z To understand the periodicity of Earth's circulation patterns, measurements going back centuries or millenia are needed. Pacific Current Change Slowed Global Warming 2015-04-15T04:00:00Z Rampino and others who see periodicities in fossils and craters freely acknowledge that their conclusions are speculative and that some of their statistics are presently underwhelming. Fact or Fiction?: Did Dark Matter Kill the Dinosaurs? 2015-03-25T04:00:00Z Both of these pointed to something oblate that was morphing with some periodicity, something like a pulse. Week in Geek: Butterflies on radar, owls with a GoPro 2014-10-05T04:00:00Z "There are what I call rhythms of nature, there are periodicities like the dawn chorus and certain crescendos during the seasons," Pijanowski says, referring to the way birds burst into song at sunrise. Scientists are recording the sound of the whole planet 2014-08-28T04:00:00Z Extinction periodicity remains unproven — further published analyses of the Raup-Sepkoski data have been divided on their original conclusions — and Dr. Raup was open about the fact that the data could lead him only so far. David M. Raup, Who Transformed Field of Paleontology, Dies at 82 2015-07-15T04:00:00Z Fluctuations in the crater record mean that searches for periodicity are always likely to throw up some correlations, she says. Did Dark Matter Kill the Dinosaurs? 2014-03-07T22:15:00Z Randall and Reece’s theory is broadly consistent with dark matter’s plausible properties, but the researchers only used it to explain the periodicity of impacts. Fact or Fiction?: Did Dark Matter Kill the Dinosaurs? 2015-03-25T04:00:00Z The periodicity is tied to the Southern Hemisphere baroclinic annular mode and emerges in hemispheric-scale averages of the eddy fluxes of heat, the eddy kinetic energy, and precipitation. [Report] Periodic Variability in the Large-Scale Southern Hemisphere Atmospheric Circulation 2014-02-06T19:26:32.661Z There is a certain periodicity between these blackouts. Is the U.S. Grid Better Prepared to Prevent a Repeat of the 2003 Blackout? 2013-08-13T15:15:00.577Z There are many claims around about lunar periodicities in all sorts of human behavior. Good Night, Moon! Now go away so I can sleep. 2013-07-25T19:15:07.767Z For decades astronomers and paleontologists have debated whether our sun has a stellar mass M-dwarf companion dubbed “Nemesis” that could have caused a 26 million-year periodicity in earth’s asteroidal and cometary impact record. Sun May Still Have Low-Mass Solar Companion, Say Astrophysicists Searching NASA WISE Mission Data 2013-03-31T04:28:18Z Or, perhaps most likely, the purported periodicities of mass extinctions, impacts and flood basalts are not as clear-cut and precisely aligned as might be hoped. Fact or Fiction?: Did Dark Matter Kill the Dinosaurs? 2015-03-25T04:00:00Z Here we demonstrate that the large-scale Southern Hemisphere atmospheric circulation exhibits marked periodicity on time scales of approximately 20 to 30 days. [Report] Periodic Variability in the Large-Scale Southern Hemisphere Atmospheric Circulation 2014-02-06T19:26:32.661Z We match diffraction data to that computed from an isolated unit cell and ignore the periodicity of the model. [Technical Response] Response to Comment on “The Local Structure of Amorphous Silicon” 2012-12-20T21:25:57.750Z Ultimately, however, we see everywhere in the overwhelming multifariousness of optical phenomena the fact of the spatial and temporal periodicity of light, with its velocity of propagation dependent on the medium and the period. Popular scientific lectures 2012-04-24T02:00:17.273Z We have a deep conviction that the conception of the idea of purification by blood had at first some connection with the natural issue of blood at the commencement of periodicity in the female. The Eliminator; or, Skeleton Keys to Sacerdotal Secrets 2012-03-27T02:00:23.077Z This 26-million-year periodicity overlaps and closely aligns with the Big Five extinctions, as well as several others. Fact or Fiction?: Did Dark Matter Kill the Dinosaurs? 2015-03-25T04:00:00Z Many attempts have been made to ascertain the cause of the periodicity of sun spots, but the real cause is not yet known. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z But the term Tendency to Stability is misapplied when applied to such infinite and imperfect periodicity—to the motion, thus conceived, of the universe as a whole. A Review of the Systems of Ethics Founded on the Theory of Evolution 2012-03-17T02:01:00.033Z Thus, the emission-theory of light, in accustoming the physicist to think of the projectile path of the "light-particles" as an undifferentiated straight-line, demonstrably impeded the discovery of the periodicity of light. Popular scientific lectures 2012-04-24T02:00:17.273Z Before the arrival of the time of periodicity the young girl is of very little account, and is not numbered as a member of the tribe. The Eliminator; or, Skeleton Keys to Sacerdotal Secrets 2012-03-27T02:00:23.077Z But it is not possible to establish anything like a regular periodicity in the returns of the disease. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z Is the influence of their periodicity potent or negligible? Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z The first case comprises forms of motion in which periodicity is only approximate, but in which, nevertheless, no retrogression in stability takes place; this case is illustrated by our solar system. A Review of the Systems of Ethics Founded on the Theory of Evolution 2012-03-17T02:01:00.033Z But no physiological or psychological explanation of consonance is given by this fact, for the simple reason that in the acoustic nerve-process nothing corresponding to the periodicity of the sonant stimulus is discoverable. Popular scientific lectures 2012-04-24T02:00:17.273Z This affection was evidently occasioned by superstitious fears; and this appears the more probable from the periodicity of the attacks. Curiosities of Medical Experience 2012-03-09T03:00:20.410Z Perhaps a more frequent application of the thermometer would often exhibit malarial periodicity where it may otherwise remain unsuspected. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z Its rhythms and periodicities and crises puzzle us because they originated under conditions which obtained untold millennia ago. Herbert Spencer 2012-02-29T03:00:20.773Z The author finds a further ground of criticism in Fechner's assertion that organisms are entirely dependent upon the periodicity of their functions. A Review of the Systems of Ethics Founded on the Theory of Evolution 2012-03-17T02:01:00.033Z He thought he found a positive result and that there was shown to be an actual influence of periodicity on certain mental functions. Vocational Psychology: Its Problems and Methods 2012-02-24T03:00:25.813Z Has the regular periodicity of eleven years in the sun-spots no effect upon climate and agricultural produce? Meteorology or Weather Explained 2012-02-20T03:00:18.847Z There is no other agent known which is capable of originating morbid phenomena characterized by such marked diurnal periodicity. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z There is no use in Copernicus, if the robust periodicity of the solar system does not show its equal perfection in the mental sphere—the periodicity, the compensating errors, the grand reactions. Transcendentalism in New England A History 2012-02-18T03:00:16.210Z Periodicity is not conceivable without stability, but stability is conceivable without periodicity. A Review of the Systems of Ethics Founded on the Theory of Evolution 2012-03-17T02:01:00.033Z Psychologists, while often stating the influence of periodicity on mental life to be fundamental and characteristic, entirely neglected to consider it when performing experiments on women subjects. Vocational Psychology: Its Problems and Methods 2012-02-24T03:00:25.813Z He said that slight difficulty of breathing with hacking cough used to trouble him every night, besides a cold would be followed by a severe attack of asthma, so its periodicity of recurrence was irregular. New, Old, and Forgotten Remedies: Papers by Many Writers 2012-02-05T03:00:10Z In the early stages of typho-malarial attacks the febrile exacerbations conform to those laws of periodicity which govern uncomplicated malarial fevers. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z It would be of the highest interest to be able to ascertain the periodicity of the return of severe winters, which there can be little doubt obeys some natural law. Narrative of the Circumnavigation of the Globe by the Austrian Frigate Novara, Volume III (Commodore B. Von Wullerstorf-Urbair,) Undertaken by Order of the Imperial Government in the Years 1857, 1858, & 1859, Under the Immediate Auspices of His I. and R. Highness the Archduke Ferdinand Maximilian, Commander-In-Chief of the Austrian Navy. 2012-01-04T03:00:31.713Z We perceive, in the actual universe, the fact of a certain imperfect periodicity. A Review of the Systems of Ethics Founded on the Theory of Evolution 2012-03-17T02:01:00.033Z And I’m more and more convinced every month that intemperance is a disease of periodicity, just like gout and rheumatism.” From Squire to Squatter A Tale of the Old Land and the New 2011-12-13T03:00:26.557Z Consequently, to distinguish the comparatively slowly changing currents of a "frequency" or "periodicity" of a few hundreds per second from these much more rapid ones, the latter are more often spoken of as electrical oscillations. Marvels of Scientific Invention An Interesting Account in Non-technical Language of the Invention of Guns, Torpedoes, Submarine Mines, Up-to-date Smelting, Freezing, Colour Photography, and many other recent Discoveries of Science 2011-11-19T03:00:24.517Z The question of periodicity is so important that it overthrows most glacial hypotheses. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z The periodicity in one of the genuine cases was regular tertian, in the other regular quotidian. Neuralgia and the Diseases that Resemble it 2011-10-03T02:00:31.460Z But the evident fact of a present periodicity of imperfect form suggests another possible conception. A Review of the Systems of Ethics Founded on the Theory of Evolution 2012-03-17T02:01:00.033Z Man himself has in his own being a periodicity corresponding with the cycles of nature. The Hearth-Stone Thoughts upon Home-Life in Our Cities 2011-09-28T02:00:22.560Z These alternations are to be regarded as following each other in a certain order and periodicity. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z Among the extensive writings on the periodicity of earthquakes one main fact stands out with great distinctness: earthquakes vary in number according to the season. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z A closely related truth is the periodicity of introduction of species. The Chain of Life in Geological Time A Sketch of the Origin and Succession of Animals and Plants 2011-06-01T02:00:24.880Z The periodicity in the life of organic species may be compared to the wave-motions of light and heat as distinguished from those of water, the individual representing the single wave-length. A Review of the Systems of Ethics Founded on the Theory of Evolution 2012-03-17T02:01:00.033Z It is then to be assumed that any aspect which the world has ever presented must have existed innumerable millions of times before, and must recur with eternal periodicity. Prophets of Dissent : Essays on Maeterlinck, Strindberg, Nietzsche and Tolstoy 2011-05-17T02:00:20.900Z Like the spots, they are in a state of constant change, and exhibit a similar periodicity in numbers and extent. The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar 2011-04-14T02:00:59.373Z A study of sunspots suggests that their true periodicity is almost if not exactly identical with that of the orbital revolution of Jupiter, 11.8 years. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z Not only is the ocean agitated and piled up beneath the moon; the deeper and more elastic aerial sea is more strongly fluctuated, and the electric and magnetic conditions change with certain periodicity. Studies in the Out-Lying Fields of Psychic Science 2011-04-14T02:00:40.453Z A close observation will, I think, reveal a greater periodicity than was at first suspected; since much of it is of so-called "automatic," "unconscious," or "half-conscious" nature. A Review of the Systems of Ethics Founded on the Theory of Evolution 2012-03-17T02:01:00.033Z No other lyric work of our days is so much a symbol of the seasons, so much a mirror of human periodicity. ?mile Verhaeren 2011-02-26T03:00:52.147Z Epileptic fits of this sort succeed each other with varying degrees of frequency, and occasionally, though not frequently, with regular periodicity. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 6 "English Language" to "Epsom Salts" 2011-02-19T03:00:59.807Z Turner reaches the conclusion that all four types of phenomena show the same periodicity, namely, cycles with an average length of about 260 to 280 years. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z Their analyses revealed that the Arctic climate of the Late Cretaceous varied over various timescales with periodicities closely matching those observed in the modern Arctic. Arctic Climate Variation Under Ancient Greenhouse Conditions 2011-02-15T17:24:00Z Not less does the constitution of organisms which are, 'so to speak, constituted dependent upon periodicity of their functions, and so upon stable relations of their life,' serve to confirm the theory. A Review of the Systems of Ethics Founded on the Theory of Evolution 2012-03-17T02:01:00.033Z Opposed to these popular, but wholly unfounded, interpretations is the second class of explanations, which seek to burrow beneath the surface and to discover the more occult and fundamental causes of the periodicity of crises. Readings in Money and Banking Selected and Adapted 2011-02-01T03:00:14.553Z There are few phenomena in the record of art more extraordinary than this unflagging cataract of inspiration, in which masterpiece followed masterpiece with the monotonous periodicity of a Sunday sermon. Johann Sebastian Bach 2011-01-26T03:00:27.060Z When the actual amplitude is four or more times the expected amplitude, the probability that there is a real periodicity in the observed phenomena becomes so great that we may regard it as practically certain. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z Periodic Properties The crucial characteristic of Mendeleev’s system was that it illustrated a periodicity, or repetition, in the properties of the elements at certain regular intervals. The Evolution of the Periodic System 2011-01-21T23:45:05.210Z Controlling the periodicity of the grid and building in a designed fork defect imparted a controlled amount of orbital angular momentum onto the electrons as they transited through the grid. This Week in Science 2011-01-13T19:25:00.650Z Entirely weatherproof—advances and retards the spark periodicity according to engine revolutions. Jane's All the World's Aircraft 1913 2011-01-04T03:01:14.690Z The New Yorker is unique with its periodicity, and therefore it’s also more news- or text-heavy, and it’s a slightly older audience,” Mr. Wallace said. Cond? Nast Is Preparing iPad Versions of Some of Its Top Magazines 2010-03-01T03:33:00Z If there were no annual periodicity the smoothing would result in practically the same figure for each month. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z Furthermore, according to Thomson, elements with similar configurations of electrons would have similar properties; Thomson’s work thus provided the first physical explanation for the periodicity of the elements. The Evolution of the Periodic System 2011-01-21T23:45:05.210Z A singular and unlooked-for result of eclipse-work has been to include the corona within the scope of solar periodicity. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" Sad associations tend to adhere to all that has the quality of periodicity. Rustic Sounds and Other Studies in Literature and Natural History Both refraction and dispersion are due to the unequal resistances of the medium to undulatory movements of different periodicity. The Mechanism of Life If there is no periodicity the two are equal. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z The aurora is periodical, like all the other atmospheric phenomena, but its periodicity is not accurately ascertained. The Philosophy of the Weather And a Guide to Its Changes Oxford might well be proud of her two Savilian Professors at this time, for they had both made world-famous discoveries—Halley that of the periodicity of comets, and Bradley of the aberration of light. Astronomical Discovery Complete periodicity is only attained after the passage of a pair of drops; and thus the odd series of drops pursues one path, and the even series another. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" The scientific mind was unable to conceive the idea of emission and periodicity as taking part in the same phenomenon. The Mechanism of Life In many of the double stars the two bodies are close together and revolve so rapidly that whatever periodicity they might create in the sun's atmosphere would be very short. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z They all have regularity and periodicity—they all occur in degree, and in connection with magnetism and electricity, during the twenty-four hours of every serene and normal summer’s day. The Philosophy of the Weather And a Guide to Its Changes Almost all of the series of any extent which have been examined, have the peculiarity that they manifest the periodicity quite uniformly and distinctly for a number of years, then for a while obscurely. Astronomical Discovery In this case there is approximate periodicity in the half interval, but complete periodicity only after the whole interval. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" Nevertheless, we are here in presence of a phenomenon in which emission and periodicity exist simultaneously. The Mechanism of Life For example, they would explain such puzzling conditions as the localization and periodicity of glaciation, the formation of loess, and the occurrence of glaciation in low latitudes during Permian and Proterozoic times. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z The known comet of shortest period bears the name of J. F. Encke, the astronomer who first investigated its orbit and showed its periodicity. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 7 "Columbus" to "Condottiere" Hence the Greenwich records will perhaps give us an even better idea of the periodicity than Wolf’s numbers. Astronomical Discovery In 1872 C. Meldrum, then Director of the Meteorological Observatory at Mauritius, first called attention to a sun-spot periodicity in rainfall and in the frequency of tropical cyclones in the South Indian Ocean. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" We may even obtain a curve giving an automatic record of the periodicity of this catalytic action. The Mechanism of Life This method eliminates the minor fluctuations and also all periodicities having a duration of less than a year. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z It was originally discovered in 1789, but its periodicity was not recognized until 1818, after it had been observed at several returns. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 7 "Columbus" to "Condottiere" Some of the more uncritical held that the water flowed with the periodicity of tides, which like many other irrational suppositions, seemed to give the required explanation of the river's peculiarities. Bring Me His Ears Periodic Oscillations of Climate: Sun-spot Period.—The discovery of a distinct eleven-year periodicity in the magnetic phenomena of the earth naturally led to investigations of similar periods in meteorology. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" The savants and thinkers who have meditated on this question have always considered the theory of emission and that of periodicity as incompatible. The Mechanism of Life These departures from the normal show a certain rough periodicity. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z It is possible that in other cases the apparent periodicity is due to the unavoidable errors of observation to which, owing to their diffused outline, the nuclei of comets are liable. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 7 "Columbus" to "Condottiere" External events become interwoven in our constitution; their periodicities create periodicities in us. History of the Intellectual Development of Europe, Volume I (of 2) Revised Edition In some cases the relation to sun-spot periodicity is open to debate; in others, the results are contradictory. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" The movement of heart and lungs, sleep and waking, all nervous phenomena, have a regular periodicity. The Mechanism of Life For these reasons and others numerous good thinkers from Wolf to Schuster have held that sunspots owe their periodicity to causes outside the sun. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z The relation between the atomic Volume relations of solids. volumes and the atomic weights of the solid elements exhibits the periodicity which generally characterizes the elements. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" As to eclipses, once looked upon with superstitious awe, their true causes had not only been assigned, but their periodicities so well ascertained that predictions of their occurrence could be made. History of the Intellectual Development of Europe, Volume I (of 2) Revised Edition W. J. S. Lockyer has called attention to the fact that there seems to be a periodicity of about 35 years in solar activity, and that this corresponds with the Br�ckner period. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" It is possible that the study of these purely physical phenomena of periodic precipitation may give us the key to the causation of rhythm and periodicity in living beings. The Mechanism of Life In assigning names to the various types an attempt has been made to indicate something of the nature of the sequence so far as duration, periodicity, and general tendencies are concerned. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z We have seen how its Periodic law. utilization in the “structure theory” permitted great clarification, and attempts were not wanting for the deduction of analogies or a periodicity between elements. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" One of them has bigger amplitude than the other, or their periodicity is different. The Right Time We have this periodicity exemplified in waking Dietetics.29 and sleeping, also in exhalation and inhalation, excretion and taking in of material. Pedagogics as a System The periodicity of deposition of the sediments within portions of the fissures is indicated by the stratification of the bone conglomerate mentioned earlier. Two New Pelycosaurs from the Lower Permian of Oklahoma The fairly regular periodicity of the sunspots seems equally out of harmony with an internal origin. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z "Ignorance of the nature of female periodicity," says A. E. Crawley, "leads man to consider it as the flow of blood from a wound, naturally, or more usually, supernaturally produced." Religion & Sex Studies in the Pathology of Religious Development The periodicity of approximately 50 years has been found in wars having worldly importance, only in the XVIII, XIX centuries and the beginning of the XX century.� The Mathematical-Historical Principles and the Evolution of Liberty When we have discovered the relative antagonism of the organs and their periodicity, we have found the secret of the perennial renewal of life. Pedagogics as a System Historic periodicity is on the one side an organic law of memory, dependent upon the revival of transmitted ancestral impressions. The Religious Sentiment Its Source and Aim: A Contribution to the Science and Philosophy of Religion There we shall inquire into the periodicity of the climatic phenomena of geological times, and shall ask whether there is any reason to suppose that the sun's activity has exhibited similar periodicity. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z It is because her periodicity is taken as evidence of her communion with spiritual forces that special precautions have to be taken concerning her. Religion & Sex Studies in the Pathology of Religious Development Of some significance, again, is the variability in the mental power of genius, leading to what may be called "a periodicity in production." The Truth About Woman And the figure of the fountain, with its rising and falling waters, doubtless finds its origin in the dim comprehension of the endless double movement, or periodicity of life. Pedagogics as a System Occurs Monthly.—Once every twenty-eight days very remarkable changes occur in the uterus, giving rise to that peculiar monthly periodicity called menstruation, monthly sickness, monthlies, or being unwell. Treatise on the Diseases of Women Later on, in 1837, Olbers formulated the theory that the bodies in question travelled around the sun in an elliptical orbit, and at the same time he established the periodicity of the maximum shower. Astronomy of To-day A Popular Introduction in Non-Technical Language This accounts for the periodicity of war, which thus is the outward and evident aspect of the progress of the life-force which in human societies, as elsewhere, advances in cycles. Introduction to the Science of Sociology This idea may perhaps, without too much straining, be compared with the functional periodicity of woman. The Truth About Woman This he succeeded in, and thus discovered what is probably the key to the solution of the problem of the periodicity of epidemics of contagious diseases, such as cholera. Great Men and Famous Women. Vol. 6 A series of pen and pencil sketches of the lives of more than 200 of the most prominent personages in History But he does not exclude the possible existence of an inherited vestige of periodicity in the sexual impulse. The Sexual Life of the Child On the other hand the suggestion inevitably occurs that there is some connection between this and the pairing season among animals and the sexual periodicity among primitive peoples. A Preliminary Study of the Emotion of Love between the Sexes On this accidental and fortuitous foundation are formed here and there other crowds, always heterogeneous, but with a certain character of stability or, at least, of periodicity. Introduction to the Science of Sociology The manner in which this periodicity manifested itself requires a word of explanation. A Popular History of Astronomy During the Nineteenth Century Fourth Edition But in accordance with the great law of periodicity, I resumed my labors in 1877-78. Buchanan's Journal of Man, October 1887 Volume 1, Number 9 It is widely assumed that even in the human species there remain vestiges of such a periodicity in the sexual impulse. The Sexual Life of the Child Some stir slightly with the feeling rather than the appearance of life; others are perpetually agitated, several small springs betraying their relationship to the geysers by a periodicity of activity. The Book of the National Parks The name of the celebrated astronomer Halley is, perhaps, best known from its association with the great comet whose periodicity was discovered by his calculations. The Story of the Heavens This is certainly reflected in magnetic, and perhaps in auroral periodicity. A Popular History of Astronomy During the Nineteenth Century Fourth Edition Our chief objection to this story is its element of periodicity; and we would require overwhelming testimony to establish even the probability of such a miracle once a month. Moon Lore "For the first time, the Web appears as a direct and violent competitor, not only of newspapers - handicapped by their periodicity - but also of radios or televisions." From the Print Media to the Internet A cumulative effect is obtained by attention to this matter of periodicity, while the use of the same place for the same purpose tends to dispose the mind to the performance of particular functions. Second Sight A study of Natural and Induced Clairvoyance Similarly the other periodic comets of longer period approach near to the orbits of either Saturn, Uranus, or Neptune, the last-mentioned planet being probably responsible for the periodicity of Halley's comet. The Story of the Heavens Herschel's inquiries into the construction of the heavens strike the keynote of the first part; the discoveries of sun-spot and magnetic periodicity and of spectrum analysis determine the character of the second. A Popular History of Astronomy During the Nineteenth Century Fourth Edition This periodicity Dr. Winslow regards as the foundation of the alleged lunar influence in morbid conditions. Moon Lore Yet the periodicity of a geyser's action cannot be said to be entirely due to volcanic agency. A Girl's Ride in Iceland The assumption of their periodicity cannot, as yet, be considered as confirmed. The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. A curious connection seems to exist between the periodicity of the spots and their distribution over the surface of the sun. The Story of the Heavens The light fluctuated continually over a range of a couple of magnitudes, and with a close approach, during some weeks, to a three-day periodicity. A Popular History of Astronomy During the Nineteenth Century Fourth Edition The reason most probably depends, as before intimated, on another phenomenon of periodicity corresponding to the month. Moon Lore It is this life-like periodicity in the geyser's mode of action which makes it as awe-inspiring to behold as it is puzzling to explain. A Girl's Ride in Iceland Temporary and Binary Stars Wherever we can trace the law of periodicity we are strongly impressed with the idea of rotatory or orbitual motion. The World's Greatest Books — Volume 15 — Science There has been, moreover, a certain periodicity in the emergence of these problems, so that it may fairly be claimed for them that they indicate inevitable phases in the development of human reflection upon experience. The Approach to Philosophy The elements of its orbit showed no resemblance to those of any previous comet, nor any marked signs of periodicity. A Popular History of Astronomy During the Nineteenth Century Fourth Edition There is no periodicity in their changes and, therefore, no possibility for defensive or protective action. Mary, Mary This periodicity is natural to the human mind, and it also has relations to profound social movements. Days Off And Other Digressions There are some further matters which require to be mentioned connected with the periodicity of eclipses. The Story of Eclipses Bedlam is subject to the laws of periodicity, stochastic analysis, and with some rather brilliant manipulation it can be reduced to a Fourier Series. Instinct It is only necessary to remark that, if this were so, they should be subject to an annual periodicity, of which no trace can be discerned. A Popular History of Astronomy During the Nineteenth Century Fourth Edition This is supposed to be legitimate in working out the periodicities of comets. The Book of the Damned Reasoning from the recently discovered law of periodicity among the elements, he discusses the possibility of their being formed from the cooling of one primitive form of matter, which he calls protyle. Buchanan's Journal of Man, February 1887 Volume 1, Number 1 But the cyclical periodicity of the moon which suggested the analogy with the similar physiological periodicity of women merely explains the association of the moon with women. The Evolution of the Dragon Fourier says that Maxwell is right and goes on to define exactly when, in a series of combined periodicities of apparently random motion, all the little particles will be moving in the same direction. Instinct Anything that interferes with periodicity in the human body interferes with vital functioning. How to Add Ten Years to your Life and to Double Its Satisfactions Have you ever noticed a certain periodicity in child stealing? Blacksheep! Blacksheep! "The fact that this variation and periodicity are governed by the number seven cannot be disputed; it is not a matter of chance: there is a cause and we ought to discover it." Reincarnation A Study in Human Evolution Then he would interest himself in the periodicity of the attacks, timing them by his watch with care. Clayhanger Art, like commerce and everything else, obeys the law of periodicity. Little Journeys to the Homes of the Great - Volume 14 Little Journeys to the Homes of Great Musicians This principle of periodicity applies to exercises as well as to anything else. How to Add Ten Years to your Life and to Double Its Satisfactions Bring Shakespeare down to now, and see how rational his men and women become; and we, as central to his movement, may begin to reckon on the periodicity of souls as of comets. A Hero and Some Other Folks There is not internal periodicity about a hammer or a saw, but there is in the steam-engine or watermill when once set in motion. Selections from Previous Works and Remarks on Romanes' Mental Evolution in Animals Reflection showed that so strange a periodicity related to no notation of time with which we are now in touch; it must belong to a system that has passed away; but what could this be? Autobiography of Seventy Years, Vol. 1-2 Still we need not rail at fashion; it is a form of periodicity, and periodicity exists through all Nature. Little Journeys to the Homes of the Great - Volume 14 Little Journeys to the Homes of Great Musicians There is a different action day and night, but this in itself is a form of periodicity. How to Add Ten Years to your Life and to Double Its Satisfactions The town marshal knew the history of Bud's alcoholic periodicity, yet he had no authority to jail a man on request in advance of any offense. A Pagan of the Hills The most interesting feature of this phenomena, is the apparent periodicity of their return. Outlines of a Mechanical Theory of Storms Containing the True Law of Lunar Influence Moreover, she would not, or could not, make any more allowance for the periodicity of her organization than for the shape of her skeleton. Sex in Education or, A Fair Chance for Girls I think none of the great preachers ever spoke with machine-like periodicity—certainly Savonarola did not. The Young Man and the World All primitive calendars are ritual calendars, successions of feast-days, a patchwork of days of different quality and character recurring; pattern at least is based on periodicity. Ancient Art and Ritual Medicines have very little effect on such wounds: their periodicity seems to say that they are allied to fever. The Last Journals of David Livingstone, in Central Africa, from 1865 to His Death, Volume II (of 2), 1869-1873 Continued By A Narrative Of His Last Moments And Sufferings, Obtained From His Faithful Servants Chuma And Susi How, then, in view of these numerous dates, can we attach so much importance to the periodicity of these showers? Outlines of a Mechanical Theory of Storms Containing the True Law of Lunar Influence She still retains the type of periodicity; and her best work, both as to quality and amount, is accomplished when the order of her labor partakes of the rhythmic order of her constitution. Sex in Education or, A Fair Chance for Girls But the rate of reproduction might be expected to have an important influence in determining the particular periodicity of the organism. The Birth-Time of the World and Other Scientific Essays But there is another and perhaps more important way in which periodicity affects and in a sense causes ritual. Ancient Art and Ritual Astronomical periodicity, and the periodicity of animal and vegetable life, are simultaneously used in the first stages of progress for estimating epochs. Essays on Education and Kindred Subjects Everyman's Library The dance played an important r�le in the shaping of the art of music; for to it music owes periodicity, form, the shaping of phrases into measures, even its rests. Critical and Historical Essays Lectures delivered at Columbia University Her way of work was sustained and continuous, and out of harmony with the rhythmical periodicity of the female organization. Sex in Education or, A Fair Chance for Girls Similarly in the phenomenon of sleep the organism responds to the Earth's axial periodicity, for in the interval of night a period of impoverishment has to be endured. The Birth-Time of the World and Other Scientific Essays To primitive man, as we have seen, beast and bird and plant and himself were not sharply divided, and the periodicity of the seasons was for all. Ancient Art and Ritual We take food at one time, work at another, and sleep at a third: and so, the mind too has its variations of employment, and best grows by a like periodicity in them. The Continental Monthly, Vol. 1, No. 6, June, 1862 Devoted To Literature and National Policy We all know with what periodicity everything in nature dances, and how the smallest flower is a marvel of recurring rhymes and rhythms, with perfume for a melody. Critical and Historical Essays Lectures delivered at Columbia University Education will draw the best out of each by adjusting its methods to the periodicity of one and the persistence of the other. Sex in Education or, A Fair Chance for Girls But there are organisms whose life-wave truly takes up the periodicity of the Earth in its orbit. The Birth-Time of the World and Other Scientific Essays It will depend on man’s social and geographical conditions whether he notices periodicity most in plants or animals. Ancient Art and Ritual There seems to be a periodicity in their seizures. Humanly Speaking The cause of this periodicity was inferred to be the near approach of the enormous planet Jupiter, causing disturbance by its attraction. Recreations in Astronomy With Directions for Practical Experiments and Telescopic Work It was the gratification—the decent, honorable, legal gratification—of the passion for rhythm; the unconditional surrender to the supreme law of periodicity, under conditions of exact observance by all external things. The Collected Works of Ambrose Bierce, Volume 8 Epigrams, On With the Dance, Negligible Tales Nor does European science altogether support the Indian doctrine of periodicity. Hinduism and Buddhism, An Historical Sketch, Vol. 1 But it is at once evident that, at least in Mediterranean lands, and probably everywhere, it is the periodicity of plants and vegetation generally which depends on moisture, that is most striking. Ancient Art and Ritual Nothing is known concerning the laws and periodicity of this oscillating course of development. Three Contributions to the Theory of Sex In Europe the periodicity of the phenomenon has since been manifested with great regularity. COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 They predicted weather changes accurately, and kept in their memories periodicity charts so that they are able to form estimates of what will be, by considering what has been. White Shadows in the South Seas The striking periodicity of the wars in Europe is also noticed by Dr. E. Zasse. Five Years of Theosophy The presupposition of periodicity is indeed fundamental to our very conception of life, and but for periodicity the very means of measuring time as a quantity would be absent. Ancient Art and Ritual What is commonly known as menstruation lasts only a few days, and is merely the critical period in a monthly cycle or periodicity which goes with the female sex specialization. Taboo and Genetics A Study of the Biological, Sociological and Psychological Foundation of the Family So that, it would seem, the greater periodicity of the instinct in the wild state, alike in animals and in man, is associated with greater violence of the manifestations when they do appear. Studies in the Psychology of Sex, Volume 3 Analysis of the Sexual Impulse; Love and Pain; The Sexual Impulse in Women The sexual modesty of the female animal is rooted in the sexual periodicity of the female, and is an involuntary expression of the organic fact that the time for love is not now. Studies in the Psychology of Sex, Volume 1 The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism The periodicity in the wars between Russia and Turkey appears peculiarly striking, and represents a very characteristic wave. Five Years of Theosophy Ritual acts, then, which depend on the periodicity of the seasons are acts necessarily delayed. Ancient Art and Ritual This gives the uterus time for devolution to the normal, before a surplus of calcium salts sets the periodicity going again. Taboo and Genetics A Study of the Biological, Sociological and Psychological Foundation of the Family In some cases, a wonderful periodicity in the outbreak of these disorders was manifested. Grappling with the Monster The Curse and the Cure of Strong Drink Féré, whose attention was called to this point, from time to time noted the existence of sexual periodicity. Studies in the Psychology of Sex, Volume 1 The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism The periods of the strengthening and weakening of the warlike excitement of the European nations represent a wave strikingly regular in its periodicity, flowing incessantly, as if propelled onward by some fixed inscrutable law. Five Years of Theosophy He won marbles in game, swopped marbles for tops, tops for jack-knives as the various games came around with strange and rigid periodicity. Two Little Savages Being the adventures of two boys who lived as Indians and what they learned These have also been shown to be the key fact in the monthly periodicity of the mammalian female. Taboo and Genetics A Study of the Biological, Sociological and Psychological Foundation of the Family The click! clank! clank! of their peavies sounded like the valves of some great engine, so regular was the periodicity of their metallic recurrence. The Rules of the Game I am able to present a case in which such a periodicity seems to be indicated. Studies in the Psychology of Sex, Volume 1 The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism This same mysterious law seems also to connect these events with the astronomical wave or cycle, which governs the periodicity of solar spots. Five Years of Theosophy This is easily intelligible, for rhythmical movement appertains also to speech and other acts of human beings, e.g. walking, dancing, running, swimming, etc.; moreover, rhythmical periodicity characterises the beat of the heart and respiration. The Brain and the Voice in Speech and Song The periodicity of earthquakes had by this time quickened to five minutes, as at midnight. The Matador of the Five Towns and Other Stories There was the same periodicity in the beat on the wall that I had heard in my own rooms. The House of a Thousand Candles As regards lunar periodicity, E. M., has summated his results in a curve, after the same manner as Mr. Perry-Coste, beginning with the new moon. Studies in the Psychology of Sex, Volume 1 The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism The periodicity wouldn’t affect the possible result which you dread. Between the Dark and the Daylight We recognize and accept this cyclic return of time in such familiar manifestations of it as Nature affords in periodicity. Four-Dimensional Vistas In science, as in morals and politics, there is absolutely no periodicity. Heroes of the Telegraph Cases of semimonthly menstruation and many similar anomalies of periodicity are spoken of. Anomalies and Curiosities of Medicine A marked seasonal periodicity of this kind is not confined to the Arctic regions. Studies in the Psychology of Sex, Volume 1 The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism He only read one newspaper, innocent of leaders, and was free from that periodicity of sensations which we call post-time. Adam Bede But it is in the individual consciousness that time curvature receives its most striking confirmation—those lesser returns and rhythms to which we give the name of periodicity. Four-Dimensional Vistas There was some question raised about this time about the periodicity of her impulsions, but except for her own statement that it was just before her menstrual time, nothing definite was proved. Pathology of Lying, accusation, and swindling: a study in forensic psychology There are many cases of constipation on record lasting longer than this, but none with the same periodicity and without change in the excrement. Anomalies and Curiosities of Medicine In proof of this it is only necessary to refer to the exact records of healthy young adults summarized in the study of periodicity in the present volume. Studies in the Psychology of Sex, Volume 1 The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism These pains appeared to flash along well defined lines of ramification and to beat with an inconceivably rapid periodicity. An Occurrence at Owl Creek Bridge Our requirements should be uniform, with no whim, mood, or periodicity of any sort about them. Youth: Its Education, Regimen, and Hygiene Janet strongly denied the periodicity in her lying which her mother maintained, but the girl did state that her periods of sex temptation were mostly just preceding her menstrual period. Pathology of Lying, accusation, and swindling: a study in forensic psychology In the last number of the Medical Reports for China, Dr. Manson deals with the phenomenon known as "filarial periodicity," and with the fate of embryo parasites not removed from the blood. Scientific American Supplement, No. 384, May 12, 1883 It would be possible to collect a number of opinions in favor of such a monthly physiological periodicity in men. Studies in the Psychology of Sex, Volume 1 The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism In all probability the periodicity of activity is an expression of the habits of the mouse race rather than of the immediate influence of any environmental condition. The Dancing Mouse A Study in Animal Behavior This is the nascent stage of periodicity to the slow normalization of which, during these few critical years, everything that interferes should yield. Youth: Its Education, Regimen, and Hygiene That the intra-uterine gestation, or its cessation, were not originally necessary to determine the functional periodicity of the milk glands is proved by their presence in the Monotremes, which are oviparous. Hormones and Heredity If the next manifestation comes at about ten the next morning, we shall have established a periodicity, at least. The Sign at Six Men have expended infinite ingenuity in establishing the remote rhythms of the solar system and the periodicity of comets. Studies in the Psychology of Sex, Volume 1 The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism Continued observation will undoubtedly reveal other important facts concerning circling, whirling, and the periodicity of dancing, not to mention the inheritance of peculiarities of dancing and the significance of the various forms of activity. The Dancing Mouse A Study in Animal Behavior Soon after that they discovered that comets all had more or less periodicity. Remarks History in all times and countries shows a periodicity of religious activity and depression. The Development of Religious Liberty in Connecticut Probably it may be quite common in similar localities, but its size, its brief periodicity, and inconspicuousness, contribute to make it, at present, one of the rarities of botany. Tropic Days E. M.'s curves frequently show the influence of weekly periodicity, in the tendency to ecbole on Sunday, or sometimes on Saturday or Monday. Studies in the Psychology of Sex, Volume 1 The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism A rule of periodicity becomes most clearly manifest in such cases. Species and Varieties, Their Origin by Mutation Of the chief characteristics of all living beings none is so significant as their periodicity. A Practical Physiology They exhibit the feminine tendency to periodicity of function, their moods, activities, efficiency are cyclic, reminding one of the menstrual variations of the female. The Glands Regulating Personality There is no internal periodicity about a hammer or a saw, but there is in the steam-engine or watermill when once set in motion. Unconscious Memory A weekly periodicity is very definitely shown by A. N.'s data. Studies in the Psychology of Sex, Volume 1 The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism Considered from this point of view, my plants always showed a definite periodicity in this distribution, which is the same for the whole plant. Species and Varieties, Their Origin by Mutation But with irregular periodicity the blinding, prostrating headaches would return—a week of pain, nausea and prostration. Our Nervous Friends — Illustrating the Mastery of Nervousness This explosive periodicity of the sexual life, "with a tendency to compression of it to the merely physical," is another mark of some pituitary-centered personalities. The Glands Regulating Personality Together with all other rhythmic events of equal periodicity, it is itself the effect of the activity of a force-sphere constituting the cosmic realm to which the relevant planetary body belongs. Man or Matter In another case, that of F. C., an Irish farmer, born in Waterford, the data are still more meagre, though the periodicity is stated to be very pronounced. Studies in the Psychology of Sex, Volume 1 The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism But while the regularity of the periodicity is in some degree diminished by such occurrences, yet the rule always holds good, when taken broadly. Species and Varieties, Their Origin by Mutation This upward movement differs from one of the great diurnal oscillations above described only by the position being permanent during the night and by its periodicity, as it always commences late in the evening. The Power of Movement in Plants No doubt, too, it is full of suggestions just like that I have hit upon by chance at page 212 of volume 1, which connects the periodicity of vital phenomena with antecedent conditions. Life and Letters of Thomas Henry Huxley — Volume 2 Now we know that each interval represents a definite ratio between the periodicities of its two tones. Man or Matter Under the influence of domestication, animals tend to lose the strict periodicity of the wild condition, and become apt for breeding at more frequent intervals. Studies in the Psychology of Sex, Volume 1 The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism The validity of this law of periodicity is of course not limited to our "five-leaved" clover. Species and Varieties, Their Origin by Mutation The periodicity of the circumnutating movement often continues for some time in darkness, as we have seen in the last chapter; whilst heliotropic bending ceases very quickly when the light fails. The Power of Movement in Plants There is also in our life a periodicity of the deeper self—a curve of the soul's condition, which varies from time to time. Mastery of Self for Wealth Power Success The cosmic factor corresponding to the periodicity of the single tone in music is the orbital period of the single planet. Man or Matter If we consider the separate periodicity of sexual offences, we find that they follow the rule for crimes generally, and usually show a chief maximum in early summer. Studies in the Psychology of Sex, Volume 1 The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism Ascidia afford another instance of this periodicity, though ordinarily they are by far too rare to show any regularity in their distribution. Species and Varieties, Their Origin by Mutation It has also been shown by us, that although leaves subjected to darkness for a moderately long time continue to circumnutate, yet the periodicity of their movements is soon greatly disturbed, or quite annulled. The Power of Movement in Plants Periodicity In many forms of acute disease, crises develop with marked regularity and in well-defined periodicity. Nature Cure Against this it may be said that signals of this kind might assist common action without recurring at regular intervals, while periodicity is the fundamental quality of rhythm. The Psychology of Beauty In no case was there knowledge of any monthly or other cyclic periodicity in the occurrence of the manifestations. Studies in the Psychology of Sex, Volume 1 The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism It would be quite superfluous to give further proof of the general validity of the law of periodicity in ever-sporting varieties. Species and Varieties, Their Origin by Mutation Darkness, therefore, during a day and a half does not interfere with the periodicity of their movements. The Power of Movement in Plants It is not so well known, however, that in the cure of chronic diseases also, crises develop in accordance with certain laws of periodicity. Nature Cure The combats of males, their dances and aerial evolutions, their elaborate behaviour and display, or the flood of song in birds, are emotional expressions which are at any rate coincident in time with sexual periodicity. Darwin and Modern Science The arising vitality had certainly deep relation to the periodicity of the sex-force of manhood. Studies in the Psychology of Sex, Volume 1 The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism On the branches these anomalies are more or less reduced, according to the strength of the branch, and conforming to the rule of periodicity, given in our lecture on the "five-leaved" clover. Species and Varieties, Their Origin by Mutation The circumnutation of the leaves is not destroyed by their being subjected to moderately long continued darkness; but the proper periodicity of their movements is lost. The Power of Movement in Plants This law of periodicity was put forward as an expression of observed relations independent of hypothesis; but of course the theoretical bearings of these facts could not be overlooked. A History of Science — Volume 4 So it is with the stream of history; however strongly we insist on its continuity we are none the less forced to recognize its periodicity. A History of Science — Volume 1 It is not impossible that the phenomena of seasonal periodicity in crimes may possess a real significance in relation to sexual periodicity. Studies in the Psychology of Sex, Volume 1 The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism The view of permanency represents life as being surrounded with unavoidable death, the principle of periodicity, on the contrary, follows the idea of resurrection, granting the possibility of future progression for all living beings. Species and Varieties, Their Origin by Mutation That the periodicity is determined by the daily alternations of light and darkness there can hardly be a doubt, as will hereafter be shown. The Power of Movement in Plants If there was any periodicity about these migrations one could understand them. The Crock of Gold It seems fit that Shelley and the author of the “Imitation” should both have been keen and simple enough to perceive these flights, and to guess at the order of this periodicity. Essays Not only is there periodicity in criminal conduct, but even within the normal range of good and bad conduct seasonal periodicity may still be traced. Studies in the Psychology of Sex, Volume 1 The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism This dependency on local nutrition leads to the general law of periodicity, which, broadly speaking, governs the occurrence of the fluctuating deviations of the organs. Species and Varieties, Their Origin by Mutation We here plainly see that the leaf was continually circumnutating; but the proper periodicity of its movements was disturbed by its being only dimly illuminated from above through a double skylight. The Power of Movement in Plants It seems fit that Shelley and the author of the Imitation should both have been keen and simple enough to perceive these flights, and to guess at the order of this periodicity. The Rhythm of Life His case was followed minutely for some months when the following extraordinary clinical picture was seen to develop with regular periodicity. The Journal of Abnormal Psychology, Volume 10 Wey does not himself appear to have noticed this seasonal periodicity. Studies in the Psychology of Sex, Volume 1 The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism The rule of periodicity not only affects the size of the organs, but also their number, whenever these are largely variable. Species and Varieties, Their Origin by Mutation In that case the periodicity of his devotion would justify a scientific investigation; for in such a man there ought to be no direct antagonism of thought and action. The Atheist's Mass For the periodicity of the sun is still in part a secret; but that of the moon is modestly apparent, perpetually influential. The Rhythm of Life The main factor in producing this very marked annual periodicity seems to me to be wholly unconnected with the sexual impulse. Studies in the Psychology of Sex, Volume 1 The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism The seasonal periodicity of bad conduct in prisons is of interest as showing that we cannot account for psychic periodicity by invoking exclusively social causes. Studies in the Psychology of Sex, Volume 1 The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism But this is a selected case, and such regular examples of the expected periodicity are rarely found. Species and Varieties, Their Origin by Mutation But, until the disturbing influence I have just pointed out is eliminated, I see no evidence here for any true seasonal periodicity. Studies in the Psychology of Sex, Volume 1 The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism It may be considered from three different points of view according to the limit of the deviation from the average, to the dependency on external conditions and to periodicity. Species and Varieties, Their Origin by Mutation The same law of dependency and periodicity is prevalent everywhere. Species and Varieties, Their Origin by Mutation Thus, the periodicity of the rate of consumption of prose-fiction corresponds with the periodicity which is found to occur in the conception rate and in sexual ecbolic manifestations. Studies in the Psychology of Sex, Volume 1 The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism Furthermore it is seen that there is a complete agreement between the law of periodicity and the responses of the deviations to nourishment and other conditions of life. Species and Varieties, Their Origin by Mutation |
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