常見例句Brominated pentabromobenzyl was prepared from pentabrominated toluene by using bromine/peroxides method and NBS method. 采用溴/過氧化物法和NBS法對五溴甲苯進行芐位溴化,合成了五溴芐基溴,比較了兩種方法的優(yōu)缺點。The sample of brominated epoxy resin enclosed in filter paper is burned in flask filling with oxygen. 溴化環(huán)氧樹脂樣品用濾紙包裹,置于充滿氧氣的燒瓶中燃燒。The affect of broming agent amount on bromineconfent in brominated polystyrene was studied. 討論溴化劑用量對溴化聚苯乙烯溴含量的影響;The solubility of the catalyst was improved by mixed solvents.A high brominated polysty rene was prepared. 通過溶劑復配提高催化劑的溶解性,制備高浪含量溴化聚苯乙烯;It is considerable to develop production of some types of brominated flame-retardants to a certain extent in China. 在我國,近期內(nèi)適度發(fā)展某些溴系阻燃劑仍是可以考慮的,但在確定品種和規(guī)模上,應慎之又慎。The catalytic activity of brominated anthracene catalysts was relatively low and was seldom reported. 非溴催化體系的研究主要集中于氮氧自由基催化劑。 返回 brominated