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bromine

英 ['brəʊmiːn] 美['bromin]

英英释义实用场景例句

n. [化学] 溴

实用场景例句

The number of cationic bromine and chlorine compounds is restricted.: 溴、氯阳离子化合物的数量受局限.

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.

The existing bromine in acetic acid could aggravate corrosion on metal hole.: 醋酸中含溴会加剧金属孔蚀.

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.

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.

Beryllium, bismuth, and bromine must be considered as well.: 少量的还包括还有铍、铋、溴.

Main product has bromine of chloride, industry, magnesium chloride to wait.: 主要产品有氯化钾、工业溴、氯化镁等.

Test standard samples of bromine number 0.: 以容量法测定溴值在0.

Magnesium mine, salt mine , Bromine mine, Piezoelectric Crystal.: 镁矿, 盐矿,溴矿, 压电水晶, 铸石用玄武岩.

A new method for determining the bromine content in brominated polystyrene was studied.: 提出了测定溴化聚苯乙烯中溴含量的方法.

A chemical compound containing two bromine atoms bound to another element or radical.: 叠氮原子团和一种元素或一种基结合形成的一种化合物.

The yield was higher using bromine The yield was higher using bromine than chlorine.: 用溴比用氯时产出率高.

Objective To observe the efficacy of bromine - containing disinfectant in on - the - spot disinfection of swimming pool water.: 目的观察含溴消毒剂对游泳池水现场消毒效果.

Synthesis of 2 - bromothiophene using thiophene and bromine and glacial acetic acid as solvent was studied.: 以冰乙酸为溶剂,通过噻吩和溴反应制备了 2- 溴噻吩,并探讨了诸因素对产率的影响.

Bromobenzene, magnesium , antimony trichloride and bromine act as raw materials, dibromotriphenylantimony flame retardant is synthesized.: 以溴苯、镁粉、三氯化锑、溴素为原料, 合成了二溴三苯基锑阻燃剂.