查询词典 insecticidal

Tephrosia vogelii is a important insecticidal plant for having abundance rotenoid compounds.

非洲山毛豆是一种重要的杀虫植物，其体内的主要活性成分为鱼藤酮类化合物，以鱼藤酮的杀虫活性最高。

The preliminary bioassay showed that all compounds had certain fungicidal and insecticidal activities. The inhibition rates of compounds 5f and 5h were above 95% against Colle-totrichum gossypii at 100 mg/L, and the mortality rates of compounds 5g and 7d were above 85% against Tetranychus urticae at 250 mg/L.

初步生物活性测定结果表明，在试验浓度下，目标化合物均具有一定的杀虫和抑菌活性，其中化合物5f和5h在100 mg/L浓度下对炭疽病菌的抑制率达95%；化合物5g和7d在250 mg/L浓度下对棉红蜘蛛的致死率达85%。

The insecticidal formulations of toxaphene are not well suited to aquatic use.

杀虫配方毒杀芬不适合水生使用。

Comparison of Insecticidal Activities between Cyfluthrin and Its Preparation of Sample ( beta-cyfluthrin ) by Epimerization for the Army Worm;2. Toxicity and Field Effect of Different Ratios of Rotenone to Beta-cyfluthrin against Uroleucon gobonis;3. The relationship of the content of mixed surfactant , the content of co-surfactant and the maxium addition content of beta-cyfluthrin in the formation of beta-cyfluthrin microemulsion were studied, and a math theory model was established by using multivatiable linear regression analysis.

通过研究高效氟氯氰菊酯微乳剂形成过程中表面活性剂混剂、助表面活性剂与高效氟氯氰菊酯最大加入量的关系，利用多元回归处理方法，建立了表面活性剂混剂、助表面活性剂与高效氟氯氰菊酯最大加入量三者之间的数学模型；通过测定不同温度下高效氟氯氰菊酯的最大加入量，得出高效氟氯氰菊酯最大加入量随温度升高而增大的规律。

Now. the most important task is how to use the available fumigants correctly, in order to decrease insect's resistivity and to increase the insecticidal rate.

当前的重要课题是：如何正确使用现有熏蒸剂，减少昆虫抗性，提高杀虫率。

Through the mediation of Nodule Agrobacterium, the insecticidal protein gene from pseudomonas pseudoalcalgenes has been transformed into the receptor materials to develop a new transgenic forage grass with the character of grasshopper resistance.

类产碱假单胞菌杀虫蛋白基因在大肠杆菌中的表达由于大肠杆菌的启动子不能识别类产碱假单胞菌杀虫蛋白基因，因此ppip基因不能直接在大肠杆菌细胞中表达。

This protein has broad-spectrum insecticidal activities on Lepidoptera pests with the toxic activity of nanogram levels, which acts on brush border membrane vesicle in midgut epithelial cells of sensitive insects and eventually leads to the formation of ion channels.

VIP3A对鳞翅目害虫具广谱杀虫活性，可作用于敏感昆虫中肠上皮细胞刷状缘膜囊致离子通道的形成，杀虫活性达纳克级水平。

Theresults show that the tempreture changes can affect the growth of the transgenic cotton and theexpression of the Bt insecticidal gene and therefore affect the timing and the onsetting of thetransgene silencing. The time of the occurrence of silencing is more earlier after hightemperature treatment.

结果表明，温度变化影响抗虫棉早期的生长发育和Bt杀虫基因的表达，从而影响Bt杀虫基因沉默的发生时间，前期高温处理可使Bt杀虫基因在生长发育期中的沉默时间提前。

Thuringiensis.only by the presence of crystal protein,and is studied systematically because of insecticidal activity of crystal protein.

苏云金芽胞杆菌因为产生伴胞晶体而在表型上区别于其他近缘种，而伴胞晶体具有杀虫活性而受到人们的普遍关注和重视。

Cloning of insecticidal crystal protein gene and its expressing in E.

本研究从苏云金芽孢杆菌克隆得到野生型杀虫晶体蛋白基因，构建了用于细胞核或叶绿体转化的植物表达载体，并用激光微束穿刺法、土壤农杆菌介导法和基因枪法将杀虫蛋白基因导入油菜，获得了具有抗虫性的转基因植株。

We are forbidden from giving money to these shoeless, skinny children, as this will perpetuate begging.

向光着脚，骨瘦如柴的孩子施舍是不可以的，因为要招来无休无止的乞讨。

It would be hard not to fall victim to some sharpeyed policeman.

要想不被某个目光锐利的警察抓到，谈何容易。