bromine
常見例句
- The number of cationic bromine and chlorine compounds is restricted.
溴、氯陽離子化合物的數(shù)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應(yīng)的氯的衍生物大得多. - The existing bromine in acetic acid could aggravate corrosion on metal hole.
醋酸中含溴會(huì)加劇金屬孔蝕. - The number of cationic bromine and chlorine compounds is restricted.
溴、氯陽離子化合物的數(shù)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應(yīng)的氯的衍生物大得多. - The existing bromine in acetic acid could aggravate corrosion on metal hole.
醋酸中含溴會(huì)加劇金屬孔蝕. - Bromine can restrain central nervous system and avoid insomnia.
溴:抑制中樞神經(jīng),有鎮(zhèn)靜作用,能防治失眠. - The preparation and catalytic properties of different bromine - free catalysts were discussed.
溴蒽類催化劑的活性較低,相應(yīng)的研究也較少. - Beryllium, bismuth, and bromine must be considered as well.
少量的還包括還有鈹 、 鉍 、 溴. - Main product has bromine of chloride, industry, magnesium chloride to wait.
主要產(chǎn)品有氯化鉀 、 工業(yè)溴 、 氯化鎂等. - Test standard samples of bromine number 0.
以容量法測(cè)定溴值在0. - Magnesium mine, salt mine , Bromine mine, Piezoelectric Crystal.
鎂礦, 鹽礦,溴礦, 壓電水晶, 鑄石用玄武巖. - A new method for determining the bromine content in brominated polystyrene was studied.
提出了測(cè)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.
疊氮原子團(tuán)和一種元素或一種基結(jié)合形成的一種化合物. - The yield was higher using bromine The yield was higher using bromine than chlorine.
用溴比用氯時(shí)產(chǎn)出率高. - Objective To observe the efficacy of bromine - containing disinfectant in on - the - spot disinfection of swimming pool water.
目的觀察含溴消毒劑對(duì)游泳池水現(xiàn)場(chǎng)消毒效果. - Synthesis of 2 - bromothiophene using thiophene and bromine and glacial acetic acid as solvent was studied.
以冰乙酸為溶劑,通過噻吩和溴反應(yīng)制備了 2- 溴噻吩,并探討了諸因素對(duì)產(chǎn)率的影響. - Bromobenzene, magnesium , antimony trichloride and bromine act as raw materials, dibromotriphenylantimony flame retardant is synthesized.
以溴苯、鎂粉 、 三氯化銻、溴素為原料, 合成了二溴三苯基銻阻燃劑. 返回 bromine