二溴的例句（二溴在句子中的用法）

• Dibromo neopentyl glycol was prepared from pentaerythritol and hydrobromic acid. 由季戊醇、氢溴酸制备了二溴新戊二醇.
• Di - Grignard Reagent and mono Grignard Reagent were prepared using 1, 4 - dibromobutane. 以1, 4- 二溴丁烷为原料,分别制备了双格氏试剂和单格氏试剂.
• The - liquid equilibrium data for the ternary --- dibromobenzene were determined by differential scanning calorimetry ( DSC ). 采用差示扫描量热法,通过对一系列“拟二元”物系固液平衡数据的测定,得到了 邻二溴苯 、间二溴苯和对二溴苯三元 物 系 的 固液平衡数据.
• Objective : To study the sampling and determinating method of Ethylene dibromide among the workplace air. 目的: 探讨工作场所空气中1,2-二溴乙烷的采样和测定方法.
• 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.