Reclassification of Fossil Orthophlebiidae ( Insecta: Mecoptera )

The insecticidal plant, Tripterygium wilfordii Hook , showed high effectiveness to many kinds of insect pests.

雷公藤是一种良好的杀虫植物, 具有胃毒、拒食 、 抑制生长发育等杀虫活性.

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These insecticidal proteins are commonly known as Insecticidal Crystal Proteins ( ICP ) or delta endotoxin.

这些杀虫蛋白通称为杀虫晶体蛋白 ( ICP ) 或δ-蛋白.

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A insecticidal cotton able to express said two insecticidal proteins is especially provided.

本发明特别提供了可同时表达以上两种杀虫蛋白质的双价抗虫棉.

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It is toxic to almost all forms of life including humans. It has broad-spectrum insecticidal activity.

外毒素对几乎所有生命形式包括人有毒. 具有 广谱 杀虫活性.

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The mode of action and the insecticidal properties of these three groups are reviewed as well.

讨论了这三类化合物对昆虫不同的作用机制,及其产品对害虫的作用活性和特点.

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Objective To observe the insecticidal effect of Radix stemonaeand Liquidambar formosana hanee for adult Boophilus microplus.

目的观察中药百部、枫树果对微小牛蜱的防制作用.

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Compared with the prior art, the compound has higher insecticidal effect.

所述化合物与现有技术相比, 具有更高的杀虫效果.

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The results show that the pyrethroid containing 2-imidazolidone in the structure has insecticidal activity.

实验结果表明:将 2- 咪唑啉酮引入到拟除虫菊酯结构中,其拟除虫菊酯具有一定的杀虫活性.

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This thesis is to study the insecticidal effect of PC to aphids and Plutella xylostlla.

本文研究蝉拟青霉对蚕豆蚜虫和小菜蛾的杀虫作用.

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A new chemical structure category of pyrethroids was synthesized. The tests in insecticidal activity was reported.

报道了一种新型结构的拟除虫菊酯类似物的合成以及杀虫活性试验.

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The insecticidal action must be considered doubtful.

这个杀虫作用是值得怀疑的.

辞典例句

These compounds have relatively high insecticidal activities and with low levels of resistance.

其结果表明该类化合物对测试害虫显示出较高的杀虫活性和较低的抗性比.

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The gardener sprayed insecticide on the rose-bushes.

园丁给玫瑰丛喷上了杀虫剂.

辞典例句

Apply the insecticide sparingly.

慎用杀虫剂.

《简明英汉词典》

Approximately 40 % of the applied insecticide in each orchard was residual in the soil profiles.

大约每一果园施用的40%杀虫剂残留在土壤剖面中.

辞典例句

The insecticide was put out of the child's reach.

杀虫剂放在孩子拿 不 到的地方.

辞典例句

Spray the plants with insecticide.

给植物喷洒杀虫剂。

柯林斯词典例句库

The pad is impregnated with insecticide.

垫子上满是杀虫剂。

《牛津高阶英汉双解词典》

I was in the most unbelievable snarl this morning over-of all things-a truckload of insecticide!

今天早上,真想不到,为了一卡车杀虫剂的事搞得我晕头转向!

辞典例句

He is spraying insecticide.

他在喷杀虫剂.

《简明英汉词典》