One thing which is strange is the total chromium contained in the paddy plants.
奇怪的是,水稻植物中总的铬含量。
单词 | chromium | ||
释义 |
chromium
|
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铬(拉丁语:Chromium,化学符号:Cr)是一种化学元素,其原子序数为24,在VI B族元素中排行首位。其单质是一种银色的金属,质地坚硬,表面带光泽,具有很高的熔点。它无臭、无味,同时具延展性。1797年法国药剂师和化学家路易-尼古拉·沃克兰首度自铬铅矿(PbCrO4)中分离出铬,被确认是一种化学元素。
Chromium is a chemical element with symbol Cr and atomic number 24. It is the first element in Group 6. It is a steely-grey, lustrous, hard and brittle metal which takes a high polish, resists tarnishing, and has a high melting point. The name of the element is derived from the Greek word χρῶμα, chrōma, meaning color, because many of its compounds are intensely colored.
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