| 单词 | zinc sulphide |
| 例句 | The company put its zinc sulphide operation in Italy on care and maintenance until there is “a meaningful change in power market prices”. Glencore sets aside $1.5 billion for probes, reports record earnings 2022-02-15T05:00:00Z The factory workers used to color the dials with glow-in-the-dark paint made from radium powder and zinc sulphide. France's 20th century radium craze still haunts Paris 2012-07-19T07:56:39Z It is a zinc sulphide, but often contains some iron. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z Lithopone, probably the whitest of pigments, results from the double decomposition of zinc sulphate and barium sulphide, thereby forming a molecular combination of zinc sulphide and barium sulphate. Paint Technology and Tests 2011-09-15T02:00:12.263Z The minerals containing lead are principally galenite or lead sulphate, cerussite or lead carbonate; while the zinc is contained in the minerals, sphalerite or zinc sulphide, calamine or zinc silicate, smithsonite or zinc carbonate, etc. North America 2011-05-05T02:00:20.027Z The substance is usually optically isotropic, though sometimes it exhibits anomalous double refraction; fibrous zinc sulphide which is doubly refracting is to be referred to the hexagonal species wurtzite. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" Other phosphorescent substances, such as barium platino-cyanide, may be substituted for the zinc sulphide, but they do not answer so well. A Brief Account of Radio-activity The next group may contain black nickel and cobalt sulphides, flesh-coloured manganese sulphide, and white zinc sulphide. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" For this purpose it is employed both in the ground form and in the manufacture of lithopone, a widely used white paint consisting of barium sulphate and zinc sulphide. The Economic Aspect of Geology In this a zinc sulphide screen is fitted at the end of a short brass tube, with a speck of radium about a millimeter away from it. The Life Radiant The mineral is also frequently found massive, with a coarse or fine granular structure and a crystalline fracture; sometimes it occurs as a soft, white, amorphous deposit resembling artificially precipitated zinc sulphide. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" This is due to the bombardment of the zinc sulphide by a type of ray called the alpha ray. A Brief Account of Radio-activity The solution with ammonium sulphide gives a white precipitate of zinc sulphide. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" Some of the zinc carried down has been redeposited secondarily as zinc sulphide. The Economic Aspect of Geology Their chief characteristic is solubility in an alkaline solution, from which sulphuretted hydrogen produces a white precipitate of zinc sulphide. A Text-book of Assaying: For the Use of Those Connected with Mines. In these cases the zinc sulphide has probably arisen from the reduction of sulphate by organic matter. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" A zinc sulphide screen is fixed in one end of a small tube and a plate carrying a trace of radium is placed very close to it. A Brief Account of Radio-activity Lithopone, a white pigment consisting of zinc sulphide and barium sulphate, sometimes exhibits the peculiar property of darkening on exposure to sunlight. Artificial Light Its Influence upon Civilization The zinc sulphide is associated with lead, iron, and copper sulphides and gold and silver minerals. The Economic Aspect of Geology Pass sulphuretted hydrogen in a slow stream until any white precipitate of zinc sulphide, there may be, begins to darken. A Text-book of Assaying: For the Use of Those Connected with Mines. BLENDE, or Sphalerite, a naturally occurring zinc sulphide, ZnS, and an important ore of zinc. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" By the scintillations on a zinc sulphide screen. A Brief Account of Radio-activity For example, assume that phosphorescent zinc sulphide is excited by the light from a mercury-arc. Artificial Light Its Influence upon Civilization Very commonly the copper sulphides are associated with large quantities of the iron sulphide, pyrite, as well as with varying amounts of lead and zinc sulphides and gold and silver minerals. The Economic Aspect of Geology What percentage of zinc sulphide did the sample contain? A Text-book of Assaying: For the Use of Those Connected with Mines. Many white pigments, such as zinc oxide, zinc sulphide, calcium carbonate, barium carbonate, calcium sulphate, lead white, etc., turn brown to black, and no white lacquer can be obtained with them. Handbook on Japanning: 2nd Edition For Ironware, Tinware, Wood, Etc. With Sections on Tinplating and Galvanizing On introducing the emanation into the tube, the escape of the alpha particles from the emanation was clearly seen by the scintillations produced at some distance on a zinc sulphide screen. A Brief Account of Radio-activity It or one of its compounds is mixed with a phosphorescent substance such as zinc sulphide and the latter glows continuously. Artificial Light Its Influence upon Civilization The fissures were mineralized with copper sulphides and arsenides, iron sulphides, and locally with zinc sulphide and manganese carbonate,—all in a matrix of quartz. The Economic Aspect of Geology Allow to settle, filter off the zinc sulphide and wash with sulphuretted hydrogen water. A Text-book of Assaying: For the Use of Those Connected with Mines. These coatings have probably been formed by the decomposition of cadmium-bearing zinc sulphide in the oxide zone, the carrying down of the cadmium in solution, and its precipitation as secondary cadmium sulphide. The Economic Aspect of Geology Dissolve the precipitated zinc sulphide in dilute hydrochloric acid, evaporate, dilute, and titrate. A Text-book of Assaying: For the Use of Those Connected with Mines. |
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