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- The long - lasting effects of using Suteling Bt biological insecticides to prevent and control Dendrolimus sp. 苏特灵Bt生物杀虫剂防治松毛虫持效的研究。
- Biological Control: Biological insecticide and Insect Growth Regulators. 生物防治:生物杀虫剂、昆虫生长调节剂。
- This paper reported the control effect of the mixture of Bacillus thuringiensis(Bt) with biological insecticide Success to Plutella xylostella L.and Pieris rapae L.in the field trial. 将苏云金杆菌(Bacillus thuringiensis;Bt)菌株20与生物杀虫剂Success混配制成复配剂;对2龄小菜蛾(Plutella xylostella L.;) 幼虫和菜青虫(Pieris rapae L
- In biological insecticide, B. t and Avermectin have been widely used.This paper introduced the two kinds of insecticide and provided the problems should be paid attention to in right application. 在生物农药中，B.;t和阿维菌素己广泛应用，介绍了这两种农药的性能，并指出正确使用中应注意的问题。
- Some biological molecules have the form of a helix. 有些生物分子呈螺旋状。
- The school has a large biological laboratory. 这所学校有一个很大的生物实验室。
- biological insecticides 生物药剂
- The convention bans the stockpiling of biological weapons. 该公约禁止储存生物武器。
- Studies on Insecticide Activity of Several Biological Insecticides and Mixtures to Pieris rapae 几种生物制剂及复配剂对菜青虫的杀虫活性
- The application of mathematical principles to biological processes. 生物数学应用于生物学过程的数学原理
- Farm workers frequently come in contact with these insecticides. 农场工人常常接触这些杀虫剂。
- They observed how the crops reacted to these insecticides. 他们观察了庄稼对这些杀虫剂有什么反应。
- The Biological Characteristics and the Efficacy of Several Insecticides on Adults of Callasobruchus chinensis L. 绿豆象生物学习性及室内药效测定。
- Resistance to insecticides has been apparent for many decades. 杀虫剂抗药性的出现已有数十年。
- Insecticides are widely used for controlling most insect pests. 杀虫剂广泛应用于防治大多数害虫。
- The biological study of bodies of water. 水生物学研究水体的生物学
- Systemic insecticides have shown particular promise. 内吸杀虫剂看来特别有效。
- A series of batch biological reactors are used. 可用一组间歇式生物反应器。
- Human biological rhythms are related to the natural cycle of day and night. 人的生物节奏与昼夜的自然循环有关。
- Songs and laughter lubricate the biological clock. 歌声笑语可使人体生物钟顺畅运转。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
