杀虫的
- 与 杀虫的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Objective To test the control efficacy of 4 different formulation aerosol s against 3 species of insects.
目的 测定4种不同配方杀虫气雾剂对常见的3种卫生害虫的药效。
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Avermectin, produced by Streptomyces avermitilis, is a group of pentacyclic lactone antibiotics which have been widely used as antiparasitic drugs in veterinary and agricultural fields.
阿维菌素是由阿维链霉菌产生的一种具有杀虫活性的大环内酯类抗生素,在农业和畜牧业中应用广泛。
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The results showed that Sendebao raw dust and light calcium carbonate mixed in the proportion of 1∶20 and 1∶16 in weight were effective and economic,and the control effect reached 91.89 % and 93.63 % respectively.
试验结果表明,用森得保与轻质碳酸钙之比为1∶20,1∶16的配比剂既经济、效果又好,其林间杀虫效果依次为91.89%、93.63%,为大面积防治刚竹毒蛾提供了可靠的依据。
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It is concluded that in view of effectiveness, safety and easiness of operation, chlorine dioxide is the best one of the disinfectants.
从保证居民饮用水质量和实际的可操作性角度出发,认为二氧化氯是一种较理想的杀虫药剂。
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The results indicatethat the expression of Cyt1A alone could result in the cytolysis of host bacterial cells,and both P20 and Cry11A could prevent bacterial cells from cytolysing caused byCyt1A protein.
为了进一步探讨P19和P20对Cry11A和Cyt1A相互作用的影响,本研究构建了表达P19、P20、Cry11A和Cyt1A不同组合的七个Bt重组菌株,分别从目的蛋白表达、营养细胞生长、芽胞和晶体形成、杀虫毒力等方面进行了研究。
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Rotenone derivatives from derris have been an important isoflavonoid with insecticidal activity.
鱼藤酮类衍生物是一类从鱼藤属等植物中提取出来的具有杀虫活性的异黄酮类化合物。
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There are several kinds of chemical and synthesis methods for preparation of farnesol , besides direct separation from natural material.
金合欢醇存在于某些植物的花、叶子和种子的精油中,可应用于调香、抗菌、杀虫和制药等领域。
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Plastic mulches create a barrier preventing fumigant gases from escaping to the atmosphere, thereby increasing their effectiveness.
塑料薄膜覆盖可以形成防止烟熏气体逸散到大气的屏障,所以提高烟熏气体的杀虫效果。
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The author also expected that the era of multiple use of single fumigant would be replaced by those fumigants for special of a certain field use gradually.
由于它具有高效、穿透性强、快速、杀虫谱广等优点,总体来说,被认为是和磷化氢一样的气体杀虫剂的两大支柱之一。
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Spray long-acting insecticide onto walls and ceilings in order to maintain a prolonged effect.
将有效期长的杀虫剂喷洒在室内墙上和天花板上,以保持较长的杀虫效果。
- 推荐网络例句
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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.
随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。
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But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.
不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。
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Closes the eye, the deep breathing, all no longer are the dreams as if......
关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。