单词 | latent heat |
例句 | Was Watt familiar with the concept of latent heat when he devised his new engine, and did the new theory inform his new technology? The Invention of Science 2015-09-17T00:00:00Z That can release an enormous amount of latent heat into the atmosphere, and through that action, it can influence storm tracks and whether they hit California. 'Dry' California got big rains. Was it really an epic weather forecasting fail? 2023-01-23T05:00:00Z The long stretches of constant temperature values at 0ºC and 100ºC reflect the large latent heat of melting and vaporization, respectively. College Physics for AP Courses 2015-08-12T00:00:00Z The vapor carries with it a form of energy called latent heat. Vapor Storms Are Threatening People and Property 2021-10-19T04:00:00Z Both spoke about the possibility of repurposing some wells to tap into geothermal energy, the latent heat beneath the earth's surface, to generate electricity. Inside the effort to plug hazardous oil and gas wells abandoned by companies 2020-12-19T05:00:00Z Moreover, when that moisture condenses into clouds, it releases latent heat, further warming the air. The Arctic Is Breaking Climate Records, Altering Weather Worldwide 2018-12-12T05:00:00Z And in the process of condensation, latent heat is released. Ask the Experts: How Did 2 Such Powerful Hurricanes Occur Back to Back? 2017-09-07T04:00:00Z Macroscopic properties, such as heat capacity, latent heat, and thermal conductivity, depend on the arrangements and interactions of the atoms or molecules in a substance. College Physics for AP Courses 2015-08-12T00:00:00Z Because temperatures are generally cooler at higher altitudes, the bubble can continue to rise and grow, all the while condensing additional water vapor into cloud droplets and releasing yet more latent heat. Vapor Storms Are Threatening People and Property 2021-10-19T04:00:00Z The solar heat is dispersed and becomes latent heat, embodied in water vapour, to be condensed and released as rain. There’s another story to tell about climate change. And it starts with water | Judith D Schwartz 2017-04-03T04:00:00Z Does the phrase “latent heat of condensation” fill your heart with joy? Indulge your inner kitchen geek: Genuine Ideas is the place 2014-07-31T04:00:00Z Under some circumstances, a glass of water can stay liquid as the temperature falls below 32 degrees, until it is disturbed, at which point it will rapidly freeze, releasing latent heat in the process. Detection of Waves in Space Buttresses Landmark Theory of Big Bang 2014-03-17T14:46:02Z Take, for example, the fact that, at body temperature, perspiration from the skin requires a heat input of 2428 kJ/kg, which is about 10 percent higher than the latent heat of vaporization at 100ºC . College Physics for AP Courses 2015-08-12T00:00:00Z Recent studies agree with physical common sense: rapid intensification becomes increasingly likely as oceans warm, evaporating more water and delivering more latent heat to the atmosphere. Vapor Storms Are Threatening People and Property 2021-10-19T04:00:00Z Some latent heat exists even a meter beneath the surface that radiates some “warmth” upward, and any kind of clouds, even thin ones, would help keep a bit of that heat in. Found: The Coldest Place on Earth 2013-12-10T16:45:25.943Z Such condensation results in the release of latent heat, further warming the atmosphere. Readers Respond to "Is Drug Research Trustworthy?" 2013-03-31T16:15:01.203Z In that case, space itself would become temporarily imbued with a mysterious kind of latent heat, or energy. Detection of Waves in Space Buttresses Landmark Theory of Big Bang 2014-03-17T14:46:02Z Lf and Lv are collectively called latent heat coefficients. College Physics for AP Courses 2015-08-12T00:00:00Z The quantity of heat absorbed in this expansion, as explained in � 14, will be the difference of the specific heats or the latent heat of expansion R′ = .069 calorie. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z The heat not so shown or indicated is termed latent heat. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z He noticed the disappearance of heat in the thawing of ice about the same time that J. Black founded on it his ingenious hypothesis of latent heat. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 10 "David, St" to "Demidov" 2012-02-17T03:00:33.923Z The calorimeter with which he determined the amount of heat generated by the combustion, and the latent heat of evaporation, of various bodies has been already alluded to. Heroes of Science: Physicists 2012-01-17T03:00:17Z How does the latent heat of fusion of water help slow the decrease of air temperatures, perhaps preventing temperatures from falling significantly below 0ºC , in the vicinity of large bodies of water? College Physics for AP Courses 2015-08-12T00:00:00Z But this assumption is inconsistent with the caloric theory of latent heat of expansion, which requires the specific heat to be a function of the volume. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z The heat that enters the water from boiling until it is evaporated away is the latent heat of steam. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z In virtue of the relatively high value of this latent heat under ordinary conditions, the gas may be regarded as comparatively a very highly energised substance. The Energy System of Matter A Deduction from Terrestrial Energy Phenomena 2011-12-21T03:00:36.570Z The theory of latent heat ought also to explain the phenomena noticed when liquid water is changed into steam. Heroes of Science Chemists 2011-12-09T03:00:21.047Z It would also lessen the severity of the winter temperature in the water for when water freezes it gives up much latent heat,—eighty calories per cubic centimeter. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z Employing the above expression for the latent heat of expansion, Carnot deduced a general expression for the specific heat of a gas at constant volume on the basis of the caloric theory. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z For this reason many educated men, who have read much about "free and latent heat," have mistaken ideas about it. Popular Books on Natural Science For Practical Use in Every Household, for Readers of All Classes 2011-08-29T02:01:12.927Z Since the material always regains the surface at the precise temperature of evaporation, this expenditure is obviously, in total, equal to the latent heat of aqueous vapour at the surface temperature. The Energy System of Matter A Deduction from Terrestrial Energy Phenomena 2011-12-21T03:00:36.570Z In this type the liquid gradually becomes more and more viscous as the temperature falls, and ultimately attains the rigidity characteristic of a solid, without any definite freezing point or latent heat. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z By vaporisation, water, ether, sulphuric acid, ammonia, etc., in assuming the vaporous form change sensible heat to latent heat and produce a degree of cold which freezes an adjacent body of water. Inventions in the Century 2011-07-20T02:00:14.643Z Clapeyron gave the general expressions for the latent heat of a vapour, and for the latent heat of isothermal expansion of any substance, in terms of Carnot’s function, employing the notation of the calculus. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z The next question might be: Can this latent heat become free again? Popular Books on Natural Science For Practical Use in Every Household, for Readers of All Classes 2011-08-29T02:01:12.927Z What is evident, therefore, is that an animal's capacity for increasing latent heat loss must evolve together with its Ḣb and Cm in response to specific environmental demands. Metabolic Adaptation to Climate and Distribution of the Raccoon Procyon Lotor and Other Procyonidae 2011-05-07T02:00:34.980Z This equation may be employed to calculate the latent heat of solution Q from two observations of the solubility. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z Her heart seemed to me to resemble the earth, whose exterior is cold, but which carries in its centre a latent heat. The Campaner Thal and Other Writings 2011-04-26T02:00:29.827Z The heat absorbed when the volume is increased corresponds with the latent heat of vaporization. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z Steam, therefore, when changing into water, gives its latent heat up again; or, the latent heat becomes free. Popular Books on Natural Science For Practical Use in Every Household, for Readers of All Classes 2011-08-29T02:01:12.927Z Watt studied chemistry, and was assisted by the advice and instruction of Dr. Black, who was then making the researches which resulted in the discovery of “latent heat.” A History of the Growth of the Steam-Engine 2011-04-21T02:00:53.240Z But his method does not represent the true variation of the latent heat with temperature, since the freezing, in the case of a superfused liquid, really takes place at the normal freezing point. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z I read much of it twice over, some of it three times, and throughout there is a restrained power—a latent heat—far greater than anything developed. Charles Lever, His Life in His Letters, Vol. II 2011-04-15T02:00:16.987Z Since the external work is the product of the pressure P and the increase of volume V, the latent heat per unit increase of volume is four times the pressure. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z Evaporation is always accompanied by an absorption of heat by the vapour, namely the latent heat necessary for the change of state from liquid to vapour. The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar 2011-04-14T02:00:59.373Z When water is ice, we have no idea what latent heat is in it.” All the Days of My Life: An Autobiography The Red Leaves of a Human Heart 2011-03-31T02:00:16.763Z The latent heat L″ at −t does not really enter into the experiment. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z In the sun and fixed stars, the condensation has gone on so far that cohesive attraction begins to operate, the latent heat of the vapor is extricated, and melted luminous worlds are the result. The Religion of Geology and Its Connected Sciences 2011-02-28T03:00:28.890Z No work is done on the piston, because there is equilibrium of pressure, but a quantity of heat equal to the latent heat of steam at 100� C. is given to the cold body. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z You are rich in gifts more precious than money; and you have the quintessence of all wit in that property that renders you suggestive; it is like what chemists call latent heat. Sir Brook Fossbrooke, Volume I. 2011-02-18T03:00:17.957Z In the course of taking up this vapor from the sea, the winds take up, along with it, a large quantity of latent heat, or heat whose presence is not indicated by the thermometer. Memoirs of Service Afloat, During the War Between the States 2011-01-04T03:01:01.887Z In order to make the liquid freeze at a different temperature, it is necessary to subject it to pressure, and the effect of the pressure on the latent heat cannot be neglected. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z The latent heat of steam at 90 pounds gage pressure is 881 heat units. Steam Engines Machinery's Reference Series, Number 70 2010-12-20T17:12:10.227Z This is equivalent to the statement that the difference of the specific heats, or the latent heat of expansion R′ per 1�, is the same for all gases if equal volumes are taken. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z It has now become, like latent heat, an unseen agency; but it still acts, and powerfully, on civilized, and even learned man! Wilson's Tales of the Borders and of Scotland Volume 4 This doctrine of latent heat he taught in his lectures from 1761 onwards, and in April 1762 he described his work to a literary society in Glasgow. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" It assumes that moisture is evaporated and held in the atmosphere by latent heat, which is given out during condensation, and actually warms the surrounding atmosphere. The Philosophy of the Weather And a Guide to Its Changes Here is a beautiful illustration of what has been erroneously called "latent heat." Nature's Miracles, Volume 1 Familiar Talks on Science—World-Building and Life. Earth, Air and Water. In the case of radiation, as in the case of a vapour, the latent heat consists partly of internal energy of formation and partly of external work of expansion at constant pressure. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z Early in his career Cavendish took up the study of heat, and had he promptly published his results he might have anticipated Joseph Black as the discoverer of latent heat and of specific heat. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5 "Cat" to "Celt" Moreover, his attention was engaged on studies which ultimately led to his doctrine of latent heat. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" How unphilosophical, too, to talk of latent heat in connection with evaporation, at the lowest temperature known. The Philosophy of the Weather And a Guide to Its Changes It was an old notion that heat would hide itself away in fluids under a name called by scientists latent heat. Nature's Miracles, Volume 1 Familiar Talks on Science—World-Building and Life. Earth, Air and Water. The latent heat absorbed is, therefore, four times the external work of expansion. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z For the air under pressure would give out latent heat, on the same principle as it becomes colder when rarefied in the higher regions of the atmosphere. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology Wolf that at ordinary temperatures the latent heat of extension of the surface of water is dynamically equivalent to about half the mechanical work done in producing the surface-extension. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" His main reliance was on the latent heat supposed to be given out during condensation, for his ascensive storm power. The Philosophy of the Weather And a Guide to Its Changes To use the term latent heat as meaning concealed heat, which must reappear as heat, is a misnomer and is very misleading. Nature's Miracles, Volume 1 Familiar Talks on Science—World-Building and Life. Earth, Air and Water. It is not possible to deduce a more satisfactory value from the latent heat and the change of density, because these constants are very difficult to determine. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 "Calhoun" to "Camoens" For water and alcohols this geometrical locus will be found on the other side of the border-curve, and the polymerization heat will be small, i.e. smaller than the latent heat. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 7 "Columbus" to "Condottiere" But what about the mechanical theory of heat and of latent heat which is a "stumbling block" in the path of the theory? Landmarks of Scientific Socialism "Anti-Duehring" When the steam is condensed, all that latent heat comes out of it, and can be felt, and the quantity of it can be measured by a thermometer. Harper's New Monthly Magazine, Vol. 2, No. 8, January, 1851 There is a kind of heat called "latent heat," which is not heat at all, but stored energy, waiting to be turned into heat, or light, or some other active form. Nature's Miracles, Volume 1 Familiar Talks on Science—World-Building and Life. Earth, Air and Water. Joly has himself determined the mean specific heat of water between 12� and 100� C. by this method, in terms of the latent heat of steam as above given, and finds the result .9952. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 "Calhoun" to "Camoens" The heat required to convert a molecular quantity of liquid coexisting with vapour into saturated vapour at the same temperature is called molecular latent heat. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 7 "Columbus" to "Condottiere" Much latent heat is generating which shall yet warm up the dullness of the land. A Short History of the Book of Common Prayer If you press gas suddenly into a fluid, the latent heat of the gas is set free. Harper's New Monthly Magazine, Vol. 2, No. 8, January, 1851 If it is proper to call a wound-up spring or weight latent heat then its present use is a correct one. Nature's Miracles, Volume 1 Familiar Talks on Science—World-Building and Life. Earth, Air and Water. Griffiths subsequently applied the same method to the measurement of the specific heat of aniline, and the latent heat of vaporization of benzene and water. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 "Calhoun" to "Camoens" Let us divide the latent heat into heat necessary for internal work and heat necessary for external work. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 7 "Columbus" to "Condottiere" Hence, it is evident, that the heat produced could not possibly have been furnished at the expense of the latent heat of the metallic chips. Little Masterpieces of Science: Invention and Discovery It lies hid in the steam, and therefore it is called latent heat. Harper's New Monthly Magazine, Vol. 2, No. 8, January, 1851 What was formerly termed latent heat is simply a form of potential energy. Nature's Miracles, Volume 1 Familiar Talks on Science—World-Building and Life. Earth, Air and Water. The latent heat of the water vaporized is determined by measuring directly the water vapor in the ventilating air-current. Respiration Calorimeters for Studying the Respiratory Exchange and Energy Transformations of Man Yet it is not supposed that this force is a material thing which can be confined by bounds, as used to be thought of latent heat when that important phenomenon was first discovered. A System Of Logic, Ratiocinative And Inductive The amount of heat required to effect the change from the liquid to the vaporous state, commonly called the latent heat of vaporization. Scientific American Supplement, No. 647, May 26, 1888 Every thing appears to have more or less latent heat in it, between its little particles, keeping them at certain distances from each other. Harper's New Monthly Magazine, Vol. 2, No. 8, January, 1851 But the latent heat necessary to produce evaporation must be supplied in addition to the heat required to raise the air to 150°. Seasoning of Wood If light be only a modification of heat, or a simple circumstance of its manifestation, or a component part of hydrogen, oxygen gas will be water deprived of its hydrogen, but combined with latent heat. James Watt Sir W. Follett laid just as much stress on these scraps as Serjeant Buzfuz did on his: he even used the phrase, “it seems there may be latent love like latent heat, in these productions.” Bardell v. Pickwick The concluding paragraph of this British Association paper equally illustrates his insight and precision, regarding the nature of chemical and latent heat. Fragments of science, V. 1-2 Compress the particles within a smaller compass, and a part of the latent heat escapes, as if it were no longer wanted. Harper's New Monthly Magazine, Vol. 2, No. 8, January, 1851 Close on its heels followed the momentous discovery of the principal gases by Scheele and Priestly, the composition of water by Cavendish, and the doctrine of latent heat by Black. Hints towards the formation of a more comprehensive theory of life. Dr. Black, the discoverer of latent heat, upon his death-bed, hears that the Watt patent has been sustained, and is for the time restored again to interest in life. James Watt A Dr. Black can discover latent heat with a pan of water and two thermometers. Architects of Fate or, Steps to Success and Power In general, such rearrangement is accompanied by a sudden change in some physical property and in the total energy of the molecule, which is evidenced by a spontaneous evolution or absorption of latent heat. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel This value, 970.4 B. t. u., is called the latent heat of steam at atmospheric pressure, or the heat "from and at 212° F." Engineering Bulletin No 1: Boiler and Furnace Testing The air was in contact, not with the ice, as it should have been, but with ice-water, which had already absorbed the latent heat of melting. The Reminiscences of an Astronomer Two at least of Watt's closest friends, the discoverer of latent heat, and the author of the "Wealth of Nations," won enduring fame. James Watt In descending it is recondensed, and by the process by which its atoms are brought together its latent heat is made sensible. Outlines of the Earth's History A Popular Study in Physiography Static caloric is what we call latent heat, and dynamic caloric is what we call electricity. Scientific American Supplement, No. 312, December 24, 1881 But touching this question of latent heat, you may ask me for my proof that there is latent heat, and a large amount of it, in a substance that feels perfectly cold. The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association Joseph Black, a Scotch chemist who made valuable discoveries about latent heat and carbon dioxide, or carbonic acid gas. Essays by Ralph Waldo Emerson This is the quantity of latent heat, which means simply hidden heat, in steam. James Watt The heat required to change the ice from the solid to the liquid state is the latent heat of water. The Birth-Time of the World and Other Scientific Essays The old caloric hypothesis utterly fails to explain it; for to suppose that there is an indefinite and inexhaustible store of latent heat in the rubbing iron plates is purely gratuitous. The Atlantic Monthly, Volume 13, No. 78, April, 1864 Of course we have heat of chemical combination here as well as evolution of latent heat. The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association During the solidification of this fluid, which is commonly conjectured to have been gaseous and primordially heated to a very high temperature, an enormous quantity of latent heat must have been liberated. COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 When Watt gave to the steam-engine five times its efficiency by utilising the latent heat, he only touched the fringe of the mysterious realm which envelops man. James Watt However, the latent heat diminishes as the melting point is lowered, and at a rate which would reduce it to nothing at about 18,000 atmospheres. The Birth-Time of the World and Other Scientific Essays In summer, on the contrary, the skin dilates and allows perspiration to form, a process that consumes a considerable amount of latent heat. Willis the Pilot If it crystallises it solidifies, and the liquid consequently gives up its latent heat of liquefaction. The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association Because of the liberation of the latent heat from the precipitated vapour. The Mirror of Literature, Amusement, and Instruction Volume 17, No. 479, March 5, 1831 That fact was the existence of latent heat, the original discoverer of which was Watt's intimate friend, Professor Black. James Watt There is continual flux of conducted heat and converted latent heat, hither and thither, to and from the points of resistance. The Birth-Time of the World and Other Scientific Essays After this display I doubted the existence of latent heat in alcohol. Overland through Asia; Pictures of Siberian, Chinese, and Tartar Life Let us inquire as to the latent heat of water and of steam. The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association As latent heat resides in the corpuscle, so is Release hidden in the heart—release from time and space. Four-Dimensional Vistas What does latent heat mean? we hear the reader inquire. James Watt In escaping, it carries away its latent heat of liquefaction, and this we must assume, is lost to the region of ice lately under pressure. The Birth-Time of the World and Other Scientific Essays Hot with the latent heat of many days, it sang in their ears as they went, bit all but scorching, at their unprotected hands and throats. Where the Trail Divides Let us now inquire what the latent heat of steam is. The Chemistry of Hat Manufacturing Lectures Delivered Before the Hat Manufacturers' Association The sudden compression of air liberates its latent heat, and produces fire. The Atlantic Monthly, Volume 06, No. 33, July, 1860 His first discovery was that of latent heat. James Watt In freezing, the water will give up its latent heat, and this will warm up the whole mass till once again 0° C. is attained. The Birth-Time of the World and Other Scientific Essays The open lake waters gave out their latent heat, like a boiling pot, till the equilibrium was restored. Personal Memoirs of a Residence of Thirty Years with the Indian Tribes on the American Frontiers Only the latent heat of passion and imagination could save these seemingly bald and monotonous narratives from being as dull as a dictionary. The Atlantic Monthly, Volume 06, No. 37, November, 1860 Hence the answer to this question depends on which will get the best of it, the real heat of the iron or the latent heat of the lead. Literary Blunders This combined heat or latent heat of Dr. Black, when set at liberty by fermentation, inflammation, crystallization, freezing, or other chemical attractions producing new combinations, passes as a fluid element into the surrounding bodies. The Botanic Garden A Poem in Two Parts. Part 1: the Economy of Vegetation Though the weight of the air is diminished by the fall of rain, yet the bulk is increased by the expansive force of the latent heat which the condensed vapors set free. The Atlantic Monthly, Volume 01, No. 03, January, 1858 Not only is there the mere apparent high temperature of fluid steel, but there is the store of latent heat in this fluid metal which is given out when solidification takes place. Scientific American Supplement, No. 360, November 25, 1882 This second quantity is called the latent heat of the steam at 100°. Scientific American Supplement, No. 430, March 29, 1884 Yes, we can calculate this tension by a general formula, provided we take into account the affinity of water for alcohol, which increases the value of the total latent heat of evaporation of the liquid. Scientific American Supplement, No. 299, September 24, 1881 Taking the latent heat of steam as 537° C., and multiplying this number by 14.74, the evaporative power of the coal used in these experiments, its equivalent in calories is 7,915. Scientific American Supplement, No. 288, July 9, 1881 Five on the form, density, latent heat, and magnetic power of the earth, and to the polar light. Lectures of Col. R. G. Ingersoll, Volume I Including His Answers to the Clergy, His Oration at His Brother's Grave, Etc., Etc. It had filled the throat of it, and so compressed the air within by the force of its entrance, as to drive out for the moment a large portion of its latent heat. Malcolm Q.--When it is stated that the latent heat of steam is 1000 degrees, it is only meant that this is a rough approximation to the truth? A Catechism of the Steam Engine She raved about Huxley and Tyndall, and was perpetually coming down upon her friends with awful facts about the sun, and startling propositions about latent heat, or spontaneous generation. Phantom Fortune, a Novel Every contraction of a muscle develops heat, the latent heat being set free by the breaking up of the tissue. Hygienic Physiology : with Special Reference to the Use of Alcoholic Drinks and Narcotics Some principle of latent heat involved, I believe. Nature's Serial Story The discovery of the expansive power of steam, its condensation, and the doctrine of latent heat, has already added to the population of this small island, millions of hands. On the Economy of Machinery and Manufactures The latent heat, in point of fact, is not uniform at all temperatures, neither is the total amount of heat the same at all temperatures. A Catechism of the Steam Engine The walk had been long and laborious; but only in such clambering and toiling, such expenditure of muscular force and latent heat, could the man's restless soul endure those long hours of suspense. Phantom Fortune, a Novel Cavendish knew of the suggestion, but in his experiments refuted the idea that the hydrogen lost any of its latent heat. A History of Science — Volume 4 Burt is right," said Webb, good-naturedly; "the principle of latent heat explains it all, and he could refresh his memory in a few moments. Nature's Serial Story The dew itself, in forming, gives out its latent heat, and so tends to equalize the temperature. A History of Science — Volume 3 A.--By latent heat is meant the heat existing in bodies which is not discoverable by the touch or by the thermometer, but which manifests its existence by producing a change of state. A Catechism of the Steam Engine It was of absorbing interest to feel simultaneously in these brief speeches he vouchsafed—speeches consummate in their inexpressive flatness—the intentional coldness and the latent heat of the creature. Lady Baltimore Q.--But when you talk of the latent heat of steam, what do you mean to express? A Catechism of the Steam Engine "I'm afraid your knowledge, Burt, resembles latent heat," laughed Leonard. Nature's Serial Story But more potent than the freezing particles of vapor giving off their latent heat were the soft south wind and the bright sunshine, which seemingly had the warmth of May. Nature's Serial Story A.--Because although the temperature or sensible heat rises with the pressure, the latent heat becomes less in about the same proportion. A Catechism of the Steam Engine After a time, however, the ice becomes so thick over the surface that the freezing goes on more and more slowly, because the latent heat in the unfrozen water cannot readily escape through the ice. Nature's Serial Story The water does not draw the frost from the plants, but before it can freeze it must give out one hundred and forty degrees of latent heat. Nature's Serial Story Certainly, for only as the water freezes can it give out its latent heat. Nature's Serial Story |
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