单词 | 矿床 |
释义 | 〔recover〕To procure (usable substances, such as metal) from unusable substances, such as ore or waste.使重新有用:从诸如矿床或废料垃圾这样没有用的东西中获取(有用的物质,如金属)〔homotaxis〕Similarity of stratigraphic arrangement and fossils in noncontemporaneous or widely separated geologic deposits.排列类似:不同时代或相距很远的地质矿床在化石和地层分布上的相似〔Carlsbad〕A city of southeast New Mexico on the Pecos River near the Texas border. Large deposits of potash were discovered in the vicinity in 1931. Population, 24,952.卡尔斯巴德:美国新墨西哥州东南部一城市,靠近得克萨斯州边界,在贝可斯河上。1931年在该市附近发现了大量钾碱矿床。人口24,952〔carnotite〕A yellow ore of uranium and radium with composition K(UO2) 2(VO 4) 2·3H 2O. 钒钾铀矿:一种铀和镭混合的黄色矿床,K(UO2) 2(VO 4) 2·3H 2O 〔win〕To discover and open (a vein or deposit) in mining.采:采矿时发现和开采出(矿脉或矿床)〔metalliferous〕Containing metal. Used of a mineral deposit or an ore.含金属的:含金属的。用来指矿床或矿石〔indium〕A soft, malleable, silvery-white metallic element found primarily in ores of zinc and tin, used as a plating over silver in making mirrors, in plating aircraft bearings, and in compounds for making transistors. Atomic number 49; atomic weight 114.82; melting point 156.61°C; boiling point 2,000°C; specific gravity 7.31; valence 1, 2, 3. See table at element 铟:一种较软、可塑性强的银白色金属物质,主要存在于锌矿床和锡矿床中,制造镜子时镀在水银上,也可镀于飞行器表面,其合金可以做晶体管。原子序数为49;原子量114.82;熔点是156.61°C;沸点为2,000°C;比重7.31;原子价为1,2,3 参见 element〔Jurassic〕Of, belonging to, or designating the time and deposits of the second period of the Mesozoic Era, characterized by the existence of dinosaurs and the appearance of the earliest mammals and birds. See table at geologic time 侏罗纪的,侏罗系的:(属于或界定为)中生代时代第二期的时间和矿床的。该时期以恐龙的存在和最早的哺乳动物和鸟类的出现为特征 参见 geologic time |
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