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A new typal insecticide, its generation, physical and chemical properties, insecticidal mechanism, insecticidal characteristic and synthesis of diflubenzuron are introduced.

型杀虫剂──除虫脲的发现、理化性质、杀虫机理、杀虫特点及合成方法。

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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>在与贫中农一起用1059(内吸磷)防治棉蚜的多次生产实践中作者曾经注意到,一天之内间喷药,药效有差异,傍晚喷药药效较好。

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luteanine, lutecia, lutecite, lutecium, lutefisk, lutein, luteinic, luteinization, luteinize, luteinizing hormone,

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3G, 401(K), a,

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VOA Special 2022年6月合集

In this case, the next step would be to use a pest control called insecticidal soap.

在这种情况下,下一步就要使用一种叫做皂的害控制方法。

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TED-Ed(频版)

Many of the plant molecules that humans have adopted as drugs, medicines and seasonings evolved as part of plants' immune systems because they're antimicrobial, or insecticidal.

许多被人类用和调味品的植分子是为植免疫系统的一部分进化而来的,因为它们具有抗菌或用。

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luteole, luteolin, luteolysin, luteolysis, luteoma, luteomycin, luteosalt, luteoskyrin, luteosterone, luteotestaceous,

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3G, 401(K), a,
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