单词 | ozokerite |
例句 | By substituting ceresin, a paraffin obtained from ozokerite or earthwax, for crystalline paraffin, the chance of cracking is obviated. The Life, Letters and Work of Frederic Leighton Volume II 2011-05-22T02:00:17.943Z It should, however, be stated that there is some difference of opinion as to the precise manner of production of some of the solid forms of bitumen, and especially of ozokerite. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" Passing a flame over the surface of the melted ozokerite immediately after flowing the case in order to remove air- bubbles.Case-shaving. From Xylographs to Lead Molds; A.D. 1440-A.D. 1921 To each 100 parts of the compound one-twentieth to one-tenth part of ozokerite and the same quantity of spermaceti are added. Scientific American Supplement, No. 1157, March 5, 1898 Hence it has been asked, Is the paraffine occurring in petroleum and ozokerite identical with that which is produced by their distillation? Scientific American Supplement, No. 711, August 17, 1889 They are then allowed to drip, and the ozokerite is ignited by the objects being held over a fire. Handbook on Japanning: 2nd Edition For Ironware, Tinware, Wood, Etc. With Sections on Tinplating and Galvanizing One condenser made of paper boiled in ozokerite took an abnormally large current and heated rapidly. Scientific American Supplement, No. 795, March 28, 1891 The automatic shaving of the top surface of the flowed case after the ozokerite has hardened to give it a smooth, even surface for molding.Graphiting. From Xylographs to Lead Molds; A.D. 1440-A.D. 1921 The mines of ozokerite are located in Austrian Poland, now known as Galicia. Scientific American Supplement, No. 401, September 8, 1883 Recently, however, crystalline paraffine has been obtained from ozokerite by dissolving the latter in warm amyl alcohol; on cooling the greater part separates out in crystals having the luster of mother-of-pearl. Scientific American Supplement, No. 711, August 17, 1889 After the ozokerite has burned away, the flame is extinguished, and the iron acquires a firmly adhering black coating, which resists atmospheric influences, as well as acids and alkalies. Handbook on Japanning: 2nd Edition For Ironware, Tinware, Wood, Etc. With Sections on Tinplating and Galvanizing Certain less common oils yield ozokerite as a solid, and considerable accumulations of this are known in Galicia and Utah. Scientific American Supplement, No. 362, December 9, 1882 Fritsche found, by means of the microscope, in the ethereal solution of ozokerite, very fine and thin crystal leaflets concentrically grouped, and in the alcoholic solution fine irregular leaflets. Scientific American Supplement, No. 711, August 17, 1889 Near the city of Drohabich, on the railway line running from Cracow to Lemberg, is a town of six thousand inhabitants, called Borislau, which is entirely supported by the ozokerite industry. Scientific American Supplement, No. 401, September 8, 1883 Apparently there exists then in ozokerite, together with paraffine, other substances not capable of crystallization which keep the paraffine from crystallizing. Scientific American Supplement, No. 711, August 17, 1889 These facts point to the conclusion that crystallizable paraffine exists ready formed in both petroleum and in ozokerite, but in both cases other colloidal substances prevent its crystallization. Scientific American Supplement, No. 711, August 17, 1889 The ozokerite is taken to a crude furnace, and put into a common cast iron kettle, and melted. Scientific American Supplement, No. 401, September 8, 1883 The thickest layer of ozokerite found is about eighteen inches, and this layer or pocket was a great curiosity. Scientific American Supplement, No. 401, September 8, 1883 But in the ozokerite region of Poland, where everything is done on a small scale, when compared with like enterprises in this country, the leases were on tracts thirty-two feet square. Scientific American Supplement, No. 401, September 8, 1883 So as petroleum residues are amorphous, and the crystalline paraffine is first produced by distillation, it has been argued that the paraffine present in crude petroleum is approximately the same thing as ozokerite. Scientific American Supplement, No. 711, August 17, 1889 No systematic effort has been made to ascertain the quantity of ozokerite in Utah. Scientific American Supplement, No. 401, September 8, 1883 The largest vein of pure ozokerite is seen on Soldiers' Fork of Spanish Cañon, which enters Salt Lake Valley near the town of Provo. Scientific American Supplement, No. 401, September 8, 1883 A deposit of white ozokerite occurs on the top of the Apennine Mountains, in Italy, of which a specimen is here exhibited. Scientific American Supplement, No. 401, September 8, 1883 For many years no water was found; but, as there is a deposit of petroleum under the ozokerite, at a depth of six hundred feet from the surface, the miners were troubled with gas. Scientific American Supplement, No. 401, September 8, 1883 As crystalline paraffine could be obtained from ozokerite by distillation alone, many persons have supposed that it was engendered in the process. Scientific American Supplement, No. 711, August 17, 1889 It is not necessary here to describe the various processes of manufacture; it will be sufficient to enumerate some of the forms of ozokerite, and the uses to which it is put. Scientific American Supplement, No. 401, September 8, 1883 In the United States, the only uses made of ozokerite, so far as I know, are chewing gum and the adulteration of beeswax. Scientific American Supplement, No. 401, September 8, 1883 Of the products of ozokerite, manufactured in Galicia, the greater part goes to Russia, Roumania, Turkey, Italy, and Upper Hungary. Scientific American Supplement, No. 401, September 8, 1883 The ozokerite is embedded in a very stiff blue clay for a depth of several hundred feet; below, it is interlaid with rock. Scientific American Supplement, No. 401, September 8, 1883 The change effected in ozokerite and in petroleum residues when crystalline paraffine is obtained by distillation is to be regarded as a purification, and can be effected partially by treatment with amyl alcohol. Scientific American Supplement, No. 711, August 17, 1889 The President, Dr. J. S. Newberry, stated that ozokerite was undoubtedly a product of petroleum. Scientific American Supplement, No. 401, September 8, 1883 He exhibited specimens of natural brown ozokerite, of yellow ozokerite, sold as beeswax, and of a white purified form, which had been treated by sulphuric acid. Scientific American Supplement, No. 401, September 8, 1883 These differences in constitution have originated in the differences in the bituminous shales from which the petroleum, ozokerite, etc., have been derived. Scientific American Supplement, No. 401, September 8, 1883 As wages are very low in Poland, averaging not more than forty cents a day for men and ten cents for children, a very small quantity of ozokerite pays for the working. Scientific American Supplement, No. 401, September 8, 1883 |
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