cadmium
cadmium 英 [ˈkædmiəm] 美 [ˈkædmiəm]
n. [化学] 镉(元素符号Cd)
名词复数:cadmiums
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- n. [化学] 镉(元素符号Cd)
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1. Incineration of heavy metals or materials with high metal content (in particular lead, mercury and cadmium) can lead to the spread of toxic metals in the environment.
焚烧重金属或金属含量高的材料(尤其是铅、汞和镉)可能使有毒金属传播到环境中。
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2. The new standards adopted will go a long way towards protecting human health, as they set out new, maximum limits for lead in fish, cadmium in rice, marine bivalve molluscs and cephalopods.
通过的这些新标准将对保护人类健康大有帮助,因为它们提出鱼类中铅以及大米、海洋双壳贝类和头足类动物中镉的新的最高限量。
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3. Phones and computers contain dangerous metals like lead, cadmium and mercury, which can contaminate the air and water when those products are dumped.
手机和电脑含有像铅、镉和汞这样的有毒金属,这些产品在被抛弃后,会同时污染着水和空气。
- cadmium (n.) bluish-white metallic element, 1822, discovered 1817 by German scientist Friedrich Strohmeyer (1776-1835), coined in Modern Latin from cadmia, a word used by ancient naturalists for various earths and oxides (especially zinc carbonate), from Greek kadmeia (ge) "Cadmean (earth)," from Kadmos "Cadmus," legendary founder of Boeotian Thebes. With metallic element ending -ium. So called because the earth was first found in the vicinity of Thebes (Kadmeioi was an alternative name for "Thebans" since the time of Homer). Its sulphate furnishes a brilliant and permanent yellow color (cadmium-yellow, 1850) used by artists, etc.
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