The effect of chloroacetyl chloride and bromoacetyl bromide on yields of intermediates and nitrazepam was compared.
比较了氯乙酰氯和溴乙酰溴对中间体及硝基安定收率的影响。
Atmospheric histories of halocarbons from analysis of Antarctic firn air: methyl bromide, methyl chloride, chloroform, and dichloromethane.
从南极永久性积雪空气分析大气卤烃的历史:甲基溴化物,甲基氯化物,氯仿和二氯甲。
Squalene was successfully synthesized from farnesyl bromide with the highly efficient reductive coupling reagent tri-triphenylphosphine cobalt chloride that was freshly prepared in the laboratory.
通过自制高效偶联试剂三三苯基膦氯化亚钴和自制金合欢基溴的还原偶联反应,成功地合成了角鲨烯。
Water quality - determination of dissolved anions by liquid chromatography of ions - part 2 : determination of bromide, chloride, nitrate, nitite, orthophosphate and sulfate in waste water.
水质。用液态离子色谱法测定已溶解的阴离子。第2部分:在废水中溴化物氟化物硝酸盐亚硝酸盐正磷酸盐和硫酸盐的测定。
Water quality - determination of dissolved anions by liquid chromatography of ions - part 2 : determination of bromide, chloride, nitrate, nitite, orthophosphate and sulfate in waste water.
水质。用液态离子色谱法测定已溶解的阴离子。第2部分:在废水中溴化物氟化物硝酸盐亚硝酸盐正磷酸盐和硫酸盐的测定。
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