| 单词 | spectrum analysis |
| 例句 | There was no definitive evidence of malfunctioned electrical wiring, even though the sound spectrum analysis of the explosion was consistent with an electrical one. Why Rebels' Access to the MH17 Crash Site Could Foil an Investigation 2014-07-22T04:00:00Z In the case of incandescent vapours, the exact correspondence of emission and absorption as regards wave-length of frequency of the light emitted and absorbed forms the foundation of the science of spectrum analysis. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z The silver produced �736, and the interest on that sum is expended on the Davy medal, which was awarded for the first time in 1877, to Bunsen and Kirchhoff for their discovery of spectrum analysis. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 10 "David, St" to "Demidov" 2012-02-17T03:00:33.923Z And should we satisfy their want of knowledge by giving them spectrum analysis, a survey of the Milky Way, speculative geometry, microscopic investigations, controversies concerning spiritualism and mediumism, the activity of academies of science? What Shall We Do? 2012-01-29T03:00:11.167Z "May I ask, while my friend makes the necessary preparations for the spectrum analysis and the chemical investigation, whether you are in the habit of associating much with—er—well, with other ghosts?" Strange Stories 2012-01-16T03:00:05.067Z As well propose to criticise the conclusions of astronomy in disregard of spectrum analysis, as propose to criticise the intellectual worth of religion in neglect of its spiritual significance. The Relations of Science and Religion The Morse Lecture, 1880 2011-09-11T02:00:11.613Z Young, of America, invented a splendid combination of spectroscope and telescope, and Huggins of England was the first to establish by spectrum analysis the approach and retreat of the stars. Inventions in the Century 2011-07-20T02:00:14.643Z Prof. Buchner asserts that "spectrum analysis has brought about the highly important conviction of the unity of what is to us the visible universe." The Universe a Vast Electric Organism 2011-06-09T02:00:22.450Z The study of spectrum analysis is one fraught with a peculiar fascination, and some of the author’s experiments are exceedingly picturesque in their results. A History of the Growth of the Steam-Engine 2011-04-21T02:00:53.240Z VIII.—Instruments and the principles involved in their use 121 The clock—Radiant energy—Mirrors and lenses—The telescope—Camera—Spectroscope—Principles of spectrum analysis. A Text-Book of Astronomy 2011-01-05T03:00:57.347Z He was running about all over the summit from morning till night, deeply engaged in the mysteries of tent-pegging, and absorbed in discussions of level, theodolite, telescope, and spectrum analysis. The White Man's Foot 2010-12-28T03:00:15.167Z Its distinctive method is spectrum analysis, the invention and development of which in the 19th century have fundamentally altered the purpose and prospects of celestial inquiries. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" He could partly perceive how we ‘weigh the sun,’ and ascertain the component elements of the heavenly bodies, by the aid of spectrum analysis. Custom and Myth New Edition Descartes regards matter as uniform in character throughout the universe; he anticipates, as it were, from his own transcendental ground, the revelations of spectrum analysis as applied to the sun and stars. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 2 "Demijohn" to "Destructor" The minute particle which we perceive by smell, no chemical reaction can detect, and even spectrum analysis, which can recognize fifteen-millionths of a grain, is far surpassed. Was Man Created? It was spectrum analysis where she had seen a star. The Side Of The Angels A Novel We have, in this brief view of the subject, referred mainly to the results of spectrum analysis. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" Faint as is the light emitted by Comets, it is yet their own, and spectrum analysis has detected the presence in them of carbon, hydrogen, nitrogen, sodium, and probably of iron. The Beauties of Nature and the Wonders of the World We Live In The establishment of the terrestrial science of spectrum analysis was due, as we have seen, equally to Kirchhoff and Bunsen, but its celestial application to Kirchhoff alone. A Popular History of Astronomy During the Nineteenth Century Fourth Edition The study of the spectra of the fixed stars made hardly any progress until the principles of spectrum analysis had been established by Kirchhoff in 1859. The Story of the Heavens While Herschel was working out his spectrum analysis, Fox Talbot contributed his share by his observation of the orange line of strontium. A History of the Nineteenth Century, Year by Year Volume Two (of Three) The fact that the spectral union of red and green makes yellow is a matter of surprise to practical workers in color who are familiar with the action of pigments, but unfamiliar with spectrum analysis. A Color Notation A measured color system, based on the three qualities Hue, Value and Chroma When the mind sees deepest, it is conscious that it needs more than physical astronomy, more than spectrum analysis, to tell us everything even about the stars. The Atonement and the Modern Mind It has since become well known as the "sodium line," and has played a very important part in the history of spectrum analysis. A Popular History of Astronomy During the Nineteenth Century Fourth Edition In this simple observation lies the germ of the modern method of research known as spectrum analysis. The Story of the Heavens If, as spectrum analysis seems to teach us, there are nebulae in various stages of formation, there must be a period in their history of development when they had an origin. Aether and Gravitation Starting in life as a lawyer, he abandoned that profession at the age of thirty-three to devote his whole time to science, principally to the perfection of astronomical photography and spectrum analysis. American Men of Mind The most striking examples of the continuousness of Law are perhaps those furnished by Astronomy, especially in connection with the more recent applications of spectrum analysis. Natural Law in the Spiritual World But if spectrum analysis were to exist as a science at all, it could only be by attaining certainty as to the unvarying association of one special substance with each special quality of light. A Popular History of Astronomy During the Nineteenth Century Fourth Edition The explanation of this leads us at once to the cardinal doctrine of spectrum analysis. The Story of the Heavens In this way substances are determined by what is called spectrum analysis, and it is by means of this instrument that the composition of the sun, and the planets and fixed stars are determined. Practical Mechanics for Boys Astronomy brings to him the findings of its telescopes and spectrum analyses. Society Its Origin and Development But though they spent much time taking photographs of the planets and of the moon, and in making spectrum analyses of the sun, time passed very slowly. The Black Star Passes Herschel's theory of a cool, dark, habitable globe, surrounded by, and protected against, the radiations of a luminous and heat-giving envelope, was shattered by the first dicta of spectrum analysis. A Popular History of Astronomy During the Nineteenth Century Fourth Edition This principle is of such importance in the theory of spectrum analysis that we add a further example. The Story of the Heavens We have said that every substance has its own distinctive spectrum, and it might be thought that, when a list of the spectra of different substances has been prepared, spectrum analysis would become perfectly straightforward. The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told Kirchhoff, of spectrum analysis, which has put a new weapon of extraordinary power into the hands both of chemists and astronomers. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" This forms the basis of spectrum analysis as applied in chemistry. Artificial Light Its Influence upon Civilization It may here be useful—since without some clear ideas on the subject no proper understanding of recent astronomical progress is possible—to take a cursory view of the elementary principles of spectrum analysis. A Popular History of Astronomy During the Nineteenth Century Fourth Edition This was shown by the results with which spectrum analysis had enriched our knowledge. Scientific American Supplement, No. 613, October 1, 1887 When, by means of an electric current, a metal is volatilized and subjected to spectrum analysis, the "reversal" of the bright band of the incandescent vapor is commonly observed. Scientific American Supplement, No. 388, June 9, 1883 We know that the existence of this gas was first discovered by spectrum analysis in the sun. The New Physics and Its Evolution He could partly perceive how we ‘weigh the sun,’ and ascertain the component elements of the heavenly bodies, by the aid of spectrum analysis. Custom and Myth 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 Thus, having first placed spectrum analysis on a sure foundation, they demonstrated its capacity as an agent of discovery. Six Lectures on Light Delivered In The United States In 1872-1873 How Nature, in her wonderful laboratory, has precipitated the diamond, with its wonderful powers of spectrum analysis, we cannot say with certainty. The Story of a Piece of Coal What It Is, Whence It Comes, and Whither It Goes In all the ordinary experiments of spectrum analysis the laws of Kirchhoff cannot therefore be considered as established, and yet the relation between emission and absorption is generally tolerably well verified. The New Physics and Its Evolution Many of the elements with which we are familiar, as hydrogen, carbon, iron, gold, etc., have been recognized, by means of spectrum analysis, in the sun and the fixed stars. The Gutenberg Webster's Unabridged Dictionary Section D and E This assurance, which forms the solid basis of spectrum analysis, was obtained slowly and with difficulty. A Popular History of Astronomy During the Nineteenth Century Fourth Edition They, more than any others, illustrate the literal truth of the statement, that the establishment of spectrum analysis, and the explanation of Fraunhofer's lines, carried with them an immeasurable extension of the chemist's range. Six Lectures on Light Delivered In The United States In 1872-1873 It was the first element discovered by spectrum analysis, and is the most strongly basic and electro-positive substance known. The Gutenberg Webster's Unabridged Dictionary Section C Their method of research has been justly compared in originality and importance to the process of spectrum analysis. The New Physics and Its Evolution The character of the light as shown by a spectrum analysis should change. Scientific American Supplement, No. 401, September 8, 1883 You see, I have submitted meteoric stones to spectrum analysis, with the result that I have found carbon, that, is to say, a clear trace of organic life. Plays: the Father; Countess Julie; the Outlaw; the Stronger In the spectrum analysis of that great light there are the two lines; the one purest white of righteousness, and the other tinged with a ruddier glow, the line of love. Expositions of Holy Scripture Psalms Once upon a time I had taken an interest in spectrum analysis, and the theory of the polarisation of light was fairly familiar; any number of books, but not what I wanted to know. Field and Hedgerow Being the Last Essays of Richard Jefferies Of course it does not exclude experiment any more than "Astronomical Observatory" excludes spectrum analysis. Life and Letters of Thomas Henry Huxley — Volume 3 The Rontgen rays need not hurt the patient; and spectrum analysis involves no destruction. The Doctor's Dilemma: Preface on Doctors But for a scientific explanation of this effect of sunlight in reddening the blood we must turn to the spectrum analysis. The Art of Living in Australia ; together with three hundred Australian cookery recipes and accessory kitchen information by Mrs. H. Wicken |
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