单词 | 铁铬 |
释义 | 〔siderochrome〕Any of various chemical compounds that transport iron across cell membranes, as in bacteria.铁铬:一种可运载铁元素穿越细胞膜的化合物,如细菌中的〔gadolinium〕A silvery-white, malleable, ductile, metallic rare-earth element obtained from monazite and bastnaesite and used in improving high-temperature characteristics of iron, chromium, and related alloys. Atomic number 64; atomic weight 157.25; melting point 1,312°C; boiling point approximately 3,000°C; specific gravity from 7.8 to 7.896; valence 3. See table at element 钆:一种从独居石和氟碳铈矿中获得的银白色、有韧性和延展性的稀金属元素,用于改善铁铬及有关合金的高温状态下的性能。原子序数为64;原子量为157.25;熔点为1,312°C;沸点约为3,000°C;比重为7.8至7.896;化合价为3 参见 element |
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