Bactericide Chemical compound which has the property of killing bacteria.杀菌剂具有杀死细菌作用的化合物.Ozone is a broad - spectrumand high - performance bactericide.臭氧是公认的广谱、高效杀菌剂.Activity of compound bactericide is determined by biol...
the advent of new technology新技术的出现Swallows come by groups at the advent of spring.春天来临时燕子成群飞来.The advent of the Euro will redefine Europe.欧元的出现将重新定义欧洲....
它们是催化合成肉桂酸正丁酯的良好催化剂.They were good catalyst for synthesis of n - butyl cinnamate.计算并绘制了H_2O及反式肉桂酸的MEP图.MEP of H _ 2 O and trans - cinnamic acid were calculated, and themaps were drawn.以钨硅杂多酸为催化剂,通过肉桂酸和正丁醇反应合成肉桂酸正丁酯.Butyl...