1、By two alkyl halide with alkali metal or alkaline earth metal polysulfides from condensation.───由二卤代烷与碱金属或碱土金属的多硫化物缩聚而成。
2、The invention relates to a method for preparing alkyl phosphonic acid, which comprises the following steps: (1) an alkali metal reacts with phosphite ester to obtain phosphite ester;───本发明涉及一种烷烃基膦酸制备方法,包括下列步骤:(1)碱金属与亚磷 酸酯反应,得到亚磷酸酯盐;
alkali metal alkyl(意思翻译)
碱金属烷基
alkali metal alkyl(相似词语短语)
1、alkali metals───n.碱金属
2、metal───vt.以金属覆盖;n. (Metal)(捷、瑞典)梅塔尔(人名);n.金属;合金;adj.金属制的
3、alkali metal───[化学]碱金属;硷金属
4、metal box───金属盒子
5、divalent alkyl───二价烷基
6、adscititious alkali───外加碱
7、alkyl groups───[有化]烷基
8、alkali───n.(Alkali)人名;(冈、乍、尼日利)阿尔卡利;adj.碱性的;n.碱;可溶性无机盐
9、alkyl group───[有化]烷基;烃基
alkali metal alkyl(双语使用场景)
1、By two alkyl halide with alkali metal or alkaline earth metal polysulfides from condensation.───由二卤代烷与碱金属或碱土金属的多硫化物缩聚而成。
2、The invention relates to a method for preparing alkyl phosphonic acid, which comprises the following steps: (1) an alkali metal reacts with phosphite ester to obtain phosphite ester;───本发明涉及一种烷烃基膦酸制备方法,包括下列步骤:(1)碱金属与亚磷 酸酯反应,得到亚磷酸酯盐;