| 单词 | actinic ray |
| 例句 | The three kinds were partially separated by a prism, the actinic rays being generally more refracted, and the thermal rays less refracted than the luminous. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z Of or pertaining to actinism; as, actinic rays. Webster's Unabridged Dictionary 2012-03-24T02:00:23.513Z It is a very familiar fact that when material bodies are heated they emit electromagnetic radiations, in the form of thermal, luminous, and actinic rays, in appreciable quantities. Climatic Changes Their Nature and Causes 2011-10-28T02:00:24.840Z The peculiar property which it possesses, of darkening under the actinic rays of the sun, makes it essential that it be combined with other, more stable pigments to prolong its life when exposed to weather. Paint Technology and Tests 2011-09-15T02:00:12.263Z The glasses did not reduce the quantity of light, as do smoked glasses, but the quality; the actinic rays, which do the greatest harm, were eliminated. My Attainment of the Pole 2011-08-05T02:00:54.720Z People simply sat beneath the blue glass as the sun shone through it and were supposed to absorb the actinic rays and acquire new life. Psychotherapy 2011-06-19T02:00:20.053Z These rays are known as chemical or actinic rays, and are only slightly produced in some types of incandescent electric lamps. Wireless Transmission of Photographs Second Edition, Revised and Enlarged 1919 And his eyes made her understand what was meant by actinic rays. H. R. A mixture of carbon bisulphide vapour and nitric oxide burns with a very intense blue-coloured flame, which is very rich in the violet or actinic rays. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" This must be shielded so as to prevent the escape of actinic rays. Harper's Round Table, July 16, 1895 An actinic ray from the lantern striking the plate will fog it. Harper's Round Table, May 28, 1895 It must be placed in a chemical solution which shall dissolve the silver salts from the parts unaffected by the actinic rays. Harper's Round Table, May 21, 1895 The sun's actinic rays could burn, and so could the sand-driving wind. Voyage To Eternity The clouds act as a screen and filter out actinic rays.” Astounding Stories of Super-Science, December 1930 These bleached, drained faces showed skin that had never known the actinic rays of the sun; their whole framework proclaimed the process that had been going on through countless generations. Astounding Stories of Super-Science, November, 1930 If the developing is done at night, the stopping out of actinic rays will be avoided; but if in the daytime, care must be taken to shut out all direct rays of light. Harper's Round Table, May 28, 1895 The effect of these actinic rays may be seen in other things besides the sensitive plates. Harper's Round Table, May 21, 1895 Sometimes, under favorable circumstances on their rugged peaks, one could get the full benefit of the enormous hot sun for whose actinic rays the Martian's starved system yearned. Astounding Stories of Super-Science, August 1930 Either the over-exposure is even greater than I had suspected, or the actinic rays from your interesting subjects have formed a stubborn chemical union with the silver of the image. Spawn of the Comet The effect of this is to turn the white parts to a brilliant yellow, quite impervious to actinic rays. Notes and Queries, Number 207, October 15, 1853 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc. Dr. Morris said that black grafting wax attracts heat and excludes actinic rays. Northern Nut Growers Association Report of the Proceedings at the Fourteenth Annual Meeting Washington D.C. September 26, 27 and 28 1923 These are the places which have been exposed to the strongest actinic rays. Harper's Round Table, May 21, 1895 We have heard it suggested that the abundant actinic rays in the dry, cloudless atmosphere are the cause of this invigoration, and also of the unusual brilliancy of the flowers. Life at Puget Sound: With Sketches of Travel in Washington Territory, British Columbia, Oregon and California We have released some of their actinic rays captured by the negative, in prying loose our excess silver. Spawn of the Comet We took pictures of everything possible; I even tried to photograph that gigantic mural in the library, but unless Tweel's lamp was unusually rich in actinic rays, I don't suppose it'll show. Valley of Dreams Dr. Morris's scheme of using white wax, besides regulating sap pressure, allows the actinic rays of the sun to stimulate cellular activity. Northern Nut Growers Association Report of the Proceedings at the Fourteenth Annual Meeting Washington D.C. September 26, 27 and 28 1923 "What do you mean by the actinic ray?" The Wonder Island Boys: The Mysteries of the Caverns The second point of value consists in allowing the actinic ray in the sunlight to act upon the chlorophyl in bud and bark of the scion and it does not attract the destructive heat ray. Northern Nut Growers Association, Report Of The Proceedings At The Tenth Annual Meeting. Battle Creek, Michigan, December 9 and 10, 1919 The question is, then, what teaching concern in America supplies the best quality of actinic ray? Little Journeys to the Homes of the Great - Volume 10 Little Journeys To The Homes Of Great Teachers The regular glass-tube mercury-arc is an efficient producer of the actinic rays and as a consequence has been extensively used in photographic work and in other photochemical processes. Artificial Light Its Influence upon Civilization In the fourth place it provides a translucent covering, which allows action by the actinic rays of light, which brings the chlorophyll into activity. Northern Nut Growers Association Report of the Proceedings at the Fourteenth Annual Meeting Washington D.C. September 26, 27 and 28 1923 If you recall, we spoke about the actinic rays which cause the chemical changes on the photographic plate. The Wonder Island Boys: The Mysteries of the Caverns Various degrees of inflammation of the skin may be produced by the action of the sun, the injury being due not to the heat but to the actinic rays. Disease and Its Causes And I am not sure but that sympathy is love's own self, vitalized mayhap by some divine actinic ray. Little Journeys to the Homes of the Great - Volume 02 Little Journeys To the Homes of Famous Women Although the so-called actinic rays have curative value in certain cases, there are some instances where light-baths are claimed to be harmful. Artificial Light Its Influence upon Civilization All plant growth is conducted under the influence of chlorophyll, and the actinic rays of light activate this. Northern Nut Growers Association Report of the Proceedings at the Fourteenth Annual Meeting Washington D.C. September 26, 27 and 28 1923 Elusive, delicate, alluring—it is the actinic ray that imparts vitality. Little Journeys to the Homes of the Great - Volume 01 Little Journeys to the Homes of Good Men and Great They have power to cause chemical changes, hence are known as the chemical or actinic rays. Hero Tales of the Far North The actinic rays of the sun are infinitely more penetrating than anything they've ever known. Darkness and Dawn These are often designated chemical or actinic rays in order to distinguish the group as a whole from other groups such as ultra-violet, visible, and infra-red. Artificial Light Its Influence upon Civilization The dark color of his skin, for example, was developed by natural selection to exclude the injurious actinic rays of the sun. Sociology and Modern Social Problems The latter is not for aesthetic effect, but to intercept actinic rays. The Land of Footprints How they came upon the idea is not the only mystery of that strange day, for they knew nothing of actinic rays or sunlight analyzed. Hero Tales of the Far North It should be added that some people stand these actinic rays better than others. The Land of Footprints The development of this field awaits to some extent the production of so-called actinic rays more efficiently and in greater quantities, but there are now many practical applications of artificial light for these purposes. Artificial Light Its Influence upon Civilization |
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