查询词典 insecticides

A legislation impact assessment by environmental consultancy ADAS found that the loss of certain pesticides and insecticides could reduce yields of key crops such as potatoes and wheat by as much as 25 per cent.The report was funded by the European Crop Protection Association.

英国最大农业研究中心洛桑研究所植物和无脊椎动物生态学主管伊恩·德诺姆表示：由于农药具有潜在危害性，因而必须受到管制，但当前的立法是世界范围内的黄金标准。

A very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar.

一种极具毒性的金属元素，有三种同素异性体，砷和砷的化合物用作除草剂、杀虫剂和各种合金，见于毒砂、雌黄、雄黄中。

The development of organic insecticides is augmenting both within China and in overseas.

随着人们对环保和健康的关注，生物农药是具有广阔发展前景的一种农药。

The crystal structure of binding protein of acetylcholine can help us to understand the role of basic aminoacid in D ring of binding location of ACh in the selectivity of neonicotinoid insecticides.

乙酰胆碱结合蛋白的晶体结构帮助人们进一步认识了D环上碱性氨基酸残基在新烟碱类选择机制上的作用。

Study on molecular characters of atagonist indicated that neonicotinoids insecticides and the active pharmaceutical group displayed electro-negative and electro-positive, and study on the interaction between atagonist and nAChR at the complex of subunit of insect and subunit of mammalian indicated that the effect of basic aminoacid in D ring of binding location of ACh is very obvious, and the YXCC in C ring of binding location also attracted the attention too.

激动剂的分子特点研究表明，新烟碱类杀虫剂和ACh药效基团在静电性上分别显示负电性和正电性。用昆虫亚基和脊椎动物亚基组成的杂合受体同激动剂相互作用的研究，主要集中在受体亚基上不同氨基酸残基与不同激动剂结合电生理效应的特点上。

There are over 500 species of insect with ecotypes known to be resistant to insecticides.6

有超过500种的昆虫物种出现了针对杀虫剂的抗性。

The journal, published since 1973, publishes original research contributions to plant protection sciences, including full papers, review articles and research notes; guest editorials; and abstracts of presentations at international meetings held in Israel, and at binational congresses with Israel but held abroad, encompassing the biological, chemical and molecular aspects of entomology, plant pathology, virology, nematology, and weed sciences, including insecticides, fungicides, herbicides and other biocides, with emphasis on new approaches in the control of pests and diseases.

杂志从1973年开始发行，刊载植物保护科学的原创研究投稿，包括完整的论文，评论文章和研究札记；特约社论；以及在以色列举行的国际会议，和在色列举行的两国会议的摘要，内容覆盖昆虫学的生物学，化学和分子方向，植物病理学，病毒学，线虫学，以及杂草科学，包括杀虫剂，杀菌剂，除草剂，和其它生物杀灭剂，重点是害虫和疾病控制的新方法。

Before 1995, it was controlled with insecticides targeting other insect pests such as tobacco budworm and boll weevil.

你把技术费和种子处理费用加上，就会明白为什么我们的棉花种植面积正在减少。

In order to fight the two pests that usually attack cotton in the region, the boll weevil and the cotton leafworm, natural insecticides and biological combat were used.

为了对付棉籽象鼻虫和棉叶蠕虫这两种棉花作物的主要天敌，种植者借助了他们的昆虫天敌和生物手段来解决这一问题。

The ability of cotton bollworm to thrive on chemically well-defended plants and develop resistance to insecticides was well recognized.

棉铃虫对杀虫剂的抗性以及对植物防御物质的适应性是人们长久以来密切关注的重要问题。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。