| 单词 | cryolite |
| 例句 | Mr. Patriquin showed us opaque white twists, made from cryolite and used in prosthetic eyes. Collectors Find Historical Value in Broken Glass 2014-07-31T04:00:00Z The electrolysis of a solution of cryolite and calcium fluoride results in aluminum metal at the cathode, and oxygen, carbon monoxide, and carbon dioxide at the anode. Chemistry 2019-02-14T00:00:00Z A pivotal moment in that championship bout came when Shin’s opponent played “kyrolite,” which is not legal, instead of “kryolite,” an alternate spelling of the mineral cryolite. Pulling victory out of the bag at the North American Scrabble championship 2022-08-01T04:00:00Z It is a trading station for the Esquimaux, and also has a mine, from which large quantities of cryolite are obtained.” First at the North Pole Two Boys in the Arctic Circle 2012-02-27T03:00:16.033Z More than 20 containers were filled with cryolite, a toxic chemical, while others held everything from meat to household goods and cases of wine. Debris from wrecked cargo ship washes onto New Zealand beaches 2012-01-09T00:00:13Z All these things are to be sold in other lands, besides many tons of cryolite which is very useful in making aluminum. Little Folks of North America Stories about children living in the different parts of North America 2011-09-01T02:00:19.377Z The second largest use is in the manufacture of cryolite, Na3AlF6, which is important in the production of aluminum. Chemistry 2019-02-14T00:00:00Z This metal cannot be produced by direct electrolysis in aqueous solution, but is deposited electrolytically from a fused bath of cryolite, containing alumina in solution. The New Gresham Encyclopedia Volume 4, Part 2: Ebert to Estremadura 2011-04-14T02:00:56.200Z The minerals bauxite and cryolite are sources of aluminium, but the chief source is the pure oxide, from which the metal is obtained by means of a strong electric current. The New Gresham Encyclopedia. Vol. 1 Part 1 A to Amide Until the beginning of World War II a rather limited number of insecticides was available, such as lead arsenate, cryolite, nicotine, mineral oil emulsions, and rotenone. Northern Nut Growers Association Report of the Proceedings at the 41st Annual Meeting Pleasant Valley, New York, August 28, 29 and 30, 1950 The walnut husk maggot can be controlled by spraying the trees with lead arsenate or cryolite the latter part of July and again 3 to 4 weeks later. Northern Nut Growers Association Report of the Proceedings at the 43rd Annual Meeting Rockport, Indiana, August 25, 26 and 27, 1952 The discovery that the metal could be extracted cheaply from cryolite, a mineral with an aluminium base, obtained from Ivigtut, Greenland, led to a sparing use of the metal in the economic arts. Commercial Geography A Book for High Schools, Commercial Courses, and Business Colleges At length he tried a stone from Greenland called "cryolite," which had already been used for making a kind of porcelain. Diggers in the Earth The principal resources of the island are sealskins, eider-down, oil, and cryolite. Wealth of the World's Waste Places and Oceania We are getting the upper hand of the curculios by the use of cryolite spray but the root-worm beetle problem is still unsolved. Northern Nut Growers Association Report of the Proceedings at the Thirty-Eighth Annual Meeting Guelph, Ontario, September 3, 4, 5, 1947 Use 2 or 3 pounds of lead arsenate plus an equal quantity of hydrated lime or 3 pounds of cryolite per 100 gallons of water. Northern Nut Growers Association Report of the Proceedings at the 43rd Annual Meeting Rockport, Indiana, August 25, 26 and 27, 1952 Our State Experiment Station suggests the use of a cryolite spray as it is more effective against curculios than arsenical sprays and less likely to injure tender walnut foliage. Northern Nut Growers Association Thirty-Fourth Annual Report 1943 The aluminum is a little heavier than the melted cryolite, and therefore it settles and may be drawn off at the bottom of the melting-pot. Diggers in the Earth "There's a seam of cryolite in the Eastern Hills, according to the old maps," said Lake. Space Prison A mixture of equal parts of cryolite and barium chloride is very good in soldering bronze or aluminum alloys. Practical Mechanics for Boys The method which has proved most successful consists in the electrolysis of the oxide dissolved in melted cryolite. An Elementary Study of Chemistry The mineral cryolite is a fluoride of aluminium and sodium. A Text-book of Assaying: For the Use of Those Connected with Mines. Aluminum is formed by the electrolysis of the aluminum oxide in a fused bath of cryolite and fluorspar. The Story of Electricity "What else do you need—was there enough cryolite?" he asked. Space Prison The carbon-lined smelting box was ready and the current flowed between the heavy carbon rods suspended in the cryolite and the lining, transforming the cryolite into a liquid. Space Prison |
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