英语人>网络例句>触杀作用 相关的搜索结果
网络例句

触杀作用

与 触杀作用 相关的网络例句 [注:此内容来源于网络,仅供参考]

Bioassay results at the laboratory showed that HNPC-A2005 had good stomach, contact, comprehensive action and a weak systemic activity to the lepidopterous insects such as oriental armyworm Mythimna separata and imported cabbageworm Pieris rapae. Quick knockdown action was also observed during the experiment.

室内生测结果表明,HNPC-A2005对粘虫和菜青虫等害虫具有优异的胃毒、触杀和综合毒力,且在试验过程中还发现该化合物具有对昆虫击倒快的特点,但内吸作用较弱。

Dichlorvos could kill and fumigate insects, but it was unsafe for family use. While malathion and temophos were suitable for vetor control.

在有机磷杀虫剂中,敌敌畏对昆虫既有胃毒,触杀,又有熏杀作用,但毒性大,在家庭中使用不安全;适用于防制卫生害虫的尚有马拉硫磷和双硫磷等,但我国开发应用缓慢。

It is a new kind of seed treatment insecticide.

它具有极强的内吸性,兼具触杀和胃毒作用。

Toxicity and repellent activity of several plant-based compounds on Blattella germanica were studied, results showed that rotenone, toosendanin and azadirachtin had stomach toxic effect on Blattella germanica, rotenone showed high stomach toxicity and all insects died after 8 hours, matrine also has deformative effect on Blattella germanica , matrine and toosendanin can affect oviposition of Blattella germanica; repellent activity of these botanicals was further studied, results showed that bering hydrochloridum, azadirachtin and sparteinehave had repellent activity against Blattella germanica, observation also showed that rotenone and bering hydrochloridum had high contact toxicity against Blattella germanica, the time of all insects knocked down were 8 and 48 hours.

选取了7种植物源化合物,测定了它们对德国小蠊的毒性和驱避性,结果表明,鱼藤酮、川楝素和印楝素对德国小蠊具有不同程度的胃毒作用,其中鱼藤酮乙酸乙酯溶液作用较强,8小时死亡率已达100%,川楝素和印楝素对德国小蠊也表现出一定的毒杀作用,观察还发现印楝素和苦参碱对德国小蠊的发育有致畸作用,苦参碱和川楝素影响其卵鞘形成;进一步对这几种化合物的驱避性进行研究,结果表明盐酸黄连素、鱼藤酮乳油和印楝素乳油对德国小蠊有不同程度的驱避作用,其驱避率分别为96.7%、51.3%和50.1%,另外观察到鱼藤酮乙酸乙酯溶液和盐酸黄连素对德国小蠊具有较强的触杀活性,供试虫全部被击倒的时间分别为8小时和48小时。

The results showed that the wet distillation liquid from the roots of Dictamnus dasycarpus had contact toxicity and anti-feedant activity with 24h and 48h LC50 value of 6.48mg/L and 6.77mg/L,the 48h rate of death was 99.8%.

结果表明:白藓根的水蒸气蒸馏液对玉米蚜具有触杀和拒食作用,24h和48h的致死中浓度(LC50)分别为6.48mg/L 和6.77mg/L,48h的致死率达99.8%。

Uses: Control of a wide range of insects (particularly Lepidoptera, Hemiptera, Homoptera, Diptera and Coleoptera) and spider mites in fruit, vines, olives, hops, vegetables, ornamentals, field crops, cucurbits, flax, cotton, tobacco, soya beans, etc. Also used for control of flies in animal and poultry houses and dairies.

具有触 杀和胃毒双重作用,进入虫体后,抑制乙酰胆碱酯酶,使昆虫神经传导中起重要作用的乙酰胆碱无法分解造成神经冲动无法控制传递,使昆虫出现惊撅、过度兴奋、麻痹与震颤而无法在作物上取食,导致最终死亡。

The prepared bait of propoxur with lasting effect and and hypotoxicity has both contact and stomach poison actions,at the same time,it is reliable and convenient.

结论残杀威饵剂具有触杀和胃毒双重作用,效果可靠,药效持久,毒性低,使用方便。

The results showed that HNPC-A3066 had a good contact and ovicidal action, but a weak systemic activity to the phytophagous mites.

结果表明,HNPC-A3066对棉红蜘蛛具有良好的触杀、杀卵作用,但内吸活性很低。

The repellent action and contact action of the extracts of 21 species of plants to adult maize weevil, Sitophilus zeamais Motschulsky were studied.

为了筛选对粮库安全的植物源杀虫剂,研究了21种植物的4种溶剂(无水乙醇、丙酮、乙酸乙酯和石油醚)提取物对玉米象Sitophilus zeamais Motschulsky的驱避和触杀作用

Based on the trials undertaken in the country and elsewhere foliar application of Kasu-B 3% SL is also reported effective for the control of bacterial soft rot on potato, and kiwifruit bacterial canker and Anthracnose on cucurbits, at a dose of 1500 – 2000 ml/ha.

阿维菌素是一种新型无公害生物杀虫杀螨剂,具有强烈胃毒,触杀,内渗作用。主要用于防治各种农作物上的鳞翅目,鞘翅目,同翅目,双翅目害虫及害螨。特别是对抗性小菜蛾,斑潜蝇,螨类有特效。

第2/3页 首页 < 1 2 3 > 尾页
推荐网络例句

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国,慢性酒精中毒,肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题,你可以随时联系我。

Very pretty, but the airport looks more fascinating The other party wisecracked.

很漂亮,不过停机坪更迷人。那人俏皮地答道。