| 单词 | polariscope |
| 例句 | The part of a polariscope which receives the light after polarization, and exhibits its properties. Webster's Unabridged Dictionary 2012-03-24T02:00:23.513Z The instrument commonly employed for measuring the optic axial angle of biaxial crystals is really a combination of a goniometer with a polariscope. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z As a result of this work Arago constructed a polariscope, which he used for some interesting observations on the polarization of the light of the sky. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" The difficulty was settled by using the polariscope, which gave an absolute chemical test of the sweetness, irrespective of color. Principles Of Political Economy Abridged with Critical, Bibliographical, and Explanatory Notes, and a Sketch of the History of Political Economy Arago somewhat hastily inferred from experiments with the polariscope the wholly gaseous nature of the visible disc of the sun. A Popular History of Astronomy During the Nineteenth Century Fourth Edition Within recent years the polariscope, an optical instrument that determines the percentage of sugar by means of polarized light, has largely replaced the Dutch standard. Commercial Geography A Book for High Schools, Commercial Courses, and Business Colleges It is often a part of a polariscope; frequently a part also of the polarising attachment to the microscope, and is so simple and ingenious as to deserve detailed explanation. The Chemistry, Properties and Tests of Precious Stones Iceland spar is used chiefly in the optical instrument known as the polariscope. Wealth of the World's Waste Places and Oceania His next contributions were 'On a new Electro polariscope' and 'On the Double Refraction of the Electric Ray by a Strained Di-electric.' Sir Jagadis Chunder Bose His Life and Speeches Thus the polariscope was found to have told the truth, though not the whole truth. A Popular History of Astronomy During the Nineteenth Century Fourth Edition What is meant by "Dutch Standard" tests?—by polariscope tests? Commercial Geography A Book for High Schools, Commercial Courses, and Business Colleges Snails' eggs are nearly white and semi-transparent; the empty shells of young snails are very lovely when placed in a good microscope: the polariscope bringing out their exquisite prismatic tints. Wild Nature Won By Kindness What is the polariscope, and how is it employed in sugar work? Human Foods and Their Nutritive Value It is of the greatest importance that the polariscopes and all apparatus used in the work shall be carefully and accurately adjusted and graduated, and upon a single and uniform system of standardization. Scientific American Supplement No. 822, October 3, 1891 Yet experiments with the polariscope were interpreted in an adverse sense, and Bond's conclusion that the comet sent us virtually unmixed reflected sunshine was generally acquiesced in. A Popular History of Astronomy During the Nineteenth Century Fourth Edition It is not improbable that the Moon, Jupiter, and the comets shine with an independent light, besides the reflected solar light visible through the polariscope. COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 Its chief purpose is that of illuminating and defining objects which are nonpolarizable, in a similar manner to that in which the polariscope defines polarizable objects. Scientific American Supplement, No. 514, November 7, 1885 On account of the predominance of invert sugars, pure honey has a levulo or left-handed rotation when examined by the polariscope. Human Foods and Their Nutritive Value Three such plates will be furnished with each polariscope, which have "sugar values" respectively approximating 80�, 90�, and 100�. Scientific American Supplement No. 822, October 3, 1891 The polariscope, directed towards this region, showed an internal polarisation, but, when pointed to the side where the mist still prevailed, there was no polarisation. Wonderful Balloon Ascents It is used for the prisms of the polariscope, because of its strong double refraction. The Gutenberg Webster's Unabridged Dictionary Section I, J, K, and L This quality, combined with the transmission of a greater amount of light than is obtainable by the polariscope, renders objects thus seen much more effective. Scientific American Supplement, No. 514, November 7, 1885 He paused, tapped the machine and went on, "This is a polarimeter —a simple polariscope—a step beyond the saccharimeter," he explained, with a nod at Sandoval. The Treasure-Train The polariscope should not be exposed to the direct rays of the sun during part of the day, and should not be near artificial sources of heat, such as steam boilers, furnaces, flues, etc. Scientific American Supplement No. 822, October 3, 1891 It is a saccharimeter," explained Kennedy, also looking at it, "an instrument used to detect the amount of sugar held in solution, a form of the polariscope. The Treasure-Train But Abderhalden has found that the polariscope can show it also. The Treasure-Train |
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