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与 杀虫剂的 相关的网络例句 [注:此内容来源于网络,仅供参考]

One of the theoretical issues arising from any pesticide is the effect of a killing substance on the target population. Because a target population is a biological entity, and as such, subject to evolutionary and ecological processes, evolutionary ecologists would predict that a substance designed to kill insects would at the same time act as a selection pressure for resistance to the same substance.

理论上,我们需要关注的问题之一是,杀虫剂对目标群体杀伤作用的影响,因为,目标群体属于一个生物体系,同样需要遵从进化和生态学过程,进化生态学家认为,杀虫剂用来杀虫同时,也是一种针对杀虫剂抗性的选择压力。

Bt Brinjal could cut losses from insect damage by over 50%, and pesticide usage by 80%.

后半部分我的理解是cut pesticide usage by 80%,就是说减少80%的是杀虫剂使用,而不是杀虫剂使用损失。

And application of turpentine oil in conventional pesticide and non-biocidal pesticide juvenile hormone analogs were discussed.

并对松节油在传统杀虫剂和非杀生性杀虫剂保幼激素类似物方面的研究进展进行了论述,同时还介绍国内外利用松节油合成的一些典型杀虫剂和新产品、及其一般的合成方法。

The invention relates to a insecticide prepared from plants, especially to a compound botanical insecticide containing pokeberry.

本发明涉及植物源杀虫剂,尤其是一种含商陆的复方植物杀虫剂。

Common pesticides on the market include organophosphate and carbamate pesticides and natural and synthetic pyrethrin pesticides.

一般市面所贩售的杀虫剂种类有有机磷杀虫剂、氨基甲酸盐杀虫剂,与天然及合成除虫菊酯杀虫剂。

The difference between the test groups and the control group was statistically significant. It could be deduced that all the insecticides tested in this experiment damaged the spiders′ intestinal mucosa, compromising its function as a barrier and letting large molecules such as FTIC-D more easily penetrate. Among the insecticides, pyrethrin and Bt preparation are bio-insecticides, and the FITC-D concentrations of the spiders exposed to these two bio-insecticides were more than those of the spiders exposed to the chemical insecticides imidacloprid and dipterex. The difference between the bio-insecticide groups and the imidacloprid group was significant, but there was no significant difference between the bio-insecticide groups and the dipterex group.

结果表明:4种杀虫剂处理后拟环纹豹蛛血液中的荧光素浓度远高于对照组,各个处理组拟环纹豹蛛血液样本中的荧光素浓度均与对照组存在极显著差异,可见4种杀虫剂均将对拟环纹豹蛛肠黏膜的屏障功能造成损伤,导致大分子物质易于通过;其中1.5%除虫菊素水乳剂三保奇花和Bt制剂强杀处理后拟环纹豹蛛中肠黏膜的通透性高于仿烟碱类化学杀虫剂吡虫啉处理组,差异达到显著水平,但与有机磷杀虫剂敌百虫处理组差异不显著。

With the nymphae of L. imitate on longan tree as tested objects, the 98.5% N24 mineral oil pesticide and 99% EnSpray mineral oil EC were diluted with water at 100 and 200 times of solution resp., the control effect of 98.5% N24 mineral oil pesticide on L. imitate of longan was researched by field experiment.

方法]以龙眼树上的白蛾蜡蝉若虫为供试对象,用98.5%N24矿物油杀虫剂和99%绿颖矿物油乳油分别对水稀释100和200倍液,通过田间试验,研究了98.5%N24矿物油杀虫剂对龙眼白蛾蜡蝉防治效果。

The results of test on the growth inhibitory activity of insecticides to the Triticum aestivum L.

从杀虫剂-昆虫-植物三者关系出发,初步测定了低剂量杀虫剂对植物生长发育的影响。

This voluntary code addresses issues such as reduced pesticide use, water and energy conservation, waste reduction and recycling, controlling of erosion, the use of "good bugs" in the vineyard to kill the "bad bugs", creating and maintaining a habitat for raptors and other wildlife around the vineyards, planting cover crops such as mustard grass and clover to replenish the soil with nutrients, improved farm worker housing, and other measures for making high quality wines in a responsible manner.

这个自主的规定公布了如减少杀虫剂的使用,水和能量守恒,损耗的减少和再生,腐蚀的控制,利用葡萄园里有益虫杀死有害虫,创造和保护在葡萄园附近的鸟类和其他野生动物的生存环境,种植覆盖地表的植被如芥菜和三叶草补充土壤的养份,改善农场工人的住房,和其他能提高葡萄酒质量的有效的方法。

Relief efforts are proved most fruitful due to the effectiveness of certain pesticides. Dieldrin, the most effective locust killer, has been widely accepted in many countries.

第三段后半部分说大多数批准使用的杀虫剂效果都不明显,药效不强的杀虫剂使救援行动受到限制,而最有效的杀虫剂Dieldrin对人体有害而被禁用,所以其余几项不对。

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然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

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