常見(jiàn)例句雙語(yǔ)例句Comparison was also made with dodecyl dimethyl benzyl ammonium bromide.并與新潔爾滅(十二烷基二甲基芐基溴化銨)進(jìn)行了比較。dict.cnIn the first step, tetrabutyl ammonium bromide were used as PTC and benzene was used as water carrying agent, the yield is 95%.探討了合成條件對(duì)反應(yīng)的影響,第一步用溴化四丁基銨作為相轉(zhuǎn)移催化劑,苯為帶水劑,收率達(dá)95 % ;Traces of sulfate ions in etching solution for aluminum foil have been determined by turbidimetry in presence of cation surface activator-hexadecyl trimethyl ammonium bromide (CTMAB).在陽(yáng)離子表面活性劑——十六烷基三甲基溴化銨(CTMAB)的存在下,用比濁法對(duì)鋁箔蝕腐液中微量硫酸根離子進(jìn)行測(cè)定。 返回 ammonium bromide