bromine是什么意思 bromine的用法 bromine怎么读
bromine
英 ['brəʊmiːn]美 ['bromin]
n. [化学] 溴
星级词汇:★
中文词源
bromine 溴
来自希腊词bromos, 发臭。-ine, 化学名词后缀。
英语词源
bromine (n.)
nonmetallic element, 1827, from French brome
, from Greek bromos "stench." With chemical suffix -ine (2). The evil-smelling dark red liquid was discovered by French chemist Antoine Jérôme Balard (1802-1876), who initially called it muride.权威例句
1. The number of cationic bromine and chlorine compounds is restricted.
溴、氯阳离子化合物的数量受局限.
2. Derivatives of bromine are much more active than the corresponding one of chlorine.
溴的衍生物的活性要比相应的氯的衍生物大得多.
3. The existing bromine in acetic acid could aggravate corrosion on metal hole.
醋酸中含溴会加剧金属孔蚀.
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4. Bromine can restrain central nervous system and avoid insomnia.
溴:抑制中枢神经,有镇静作用,能防治失眠.
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5. The preparation and catalytic properties of different bromine - free catalysts were discussed.
溴蒽类催化剂的活性较低,相应的研究也较少.
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[ bromine 造句 ]
