A new typal insecticide, its generation, physical and chemical properties, insecticidal mechanism, insecticidal characteristic and synthesis of diflubenzuron are introduced.
介绍了新型杀虫
──除虫脲的发现、理化性质、杀虫机理、杀虫特点及合成方法。
的
词A new typal insecticide, its generation, physical and chemical properties, insecticidal mechanism, insecticidal characteristic and synthesis of diflubenzuron are introduced.
介绍了新型杀虫──除虫脲的发现、理化性质、杀虫机理、杀虫特点及合成方法。
According to the author's experience in the control of cotton aphids.the systemic insecticidal action of Systox was different when it was applied at different times of the day.
正>在与贫下中农
起用1059(内吸磷)防治棉蚜的多次生产实践中作者曾经注意到,
内不同时间喷药,药效有差异,傍晚喷药药效较好。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
