herbicides的例句大全

Most herbicides were degraded and run off in soil.

大部分除草剂在土壤环境中被降解或流失.

Among the many regulatory substances in use we have controllable and selective herbicides.

在所有的许多调节物质中,有控制性的和选择性的除草剂.

Efficacies of 8 herbicides in winter oilseed rape field were compared.

研究了8种除草剂防除冬油菜田杂草的效果.

Resistance of weeds to certain herbicides is beginning toshow up.

杂草对某些除草剂的抗药性已显现出来.

Herbicides provide a cheaper and more effective means of controlling weeds than cultivation.

除草剂比清耕消除杂草成本低,效率高.

Herbicides are difficult to apply horizontally over long distances.

要在长段距离的水平方向施用除草剂也很困难.

Note: Some sulfonylurea herbicides have other general names, tradenames and code names.

注: 有些除草剂还有其它通用名 、 商品名或代号.

Note: Some sulfonylurea herbicides have other generalnames, tradenames and code names.

注: 有些除草剂还有其它通用名、品名或代号.

Scientists have known for years that weeds develop resistance to herbicides.

科学家们早在几年前就了解到杂草对除草剂产生了抗体.

Poisons that generally affect only unwanted plants, or weeds, are called herbicides.

那些只抑制多余植物或杂草生长的药被称为除草剂.

Acetochlor is currently one of most widely used herbicides in China.

乙草胺是目前我国使用最广泛的除草剂之一.

Arsenic is widely associated with the manufature of herbicides and pesticides.

砷广泛地应用于除草剂和杀虫剂的制造中.

The researchers placed the hibersites [ herbicides ] on the sorghum seeds.

研究者把除草剂放在高粱种子上.

There is a lot of concern over the amount of herbicides and pesticides used in farming.

人们对农业上灭草剂和杀虫剂的用量非常担忧.

Phenylcarbamate herbicides were among the earliest herbicides developed.

氨基甲酸苯酯除莠剂是发展最早的一种除莠剂.

The results of the experiments and Mulliken atomic charges calculated indicate that the recognition site is mainly located at the N ′ position of phenylurea herbicides.

实验及Mulliken电荷计算的结果显示，苯基脲除草剂分子中的N′原子是主要的识别位点。

Gaoming Jiang calls for sustainable farming to replace polluting plastics , chemical fertilisers and herbicides.

蒋高明呼吁以可持续性农耕替换农膜、肥、药和除草剂.

Microbial degradation is one of the most important degradation pathways of sulfonylurea herbicides.

微生物降解是磺酰脲类除草剂降解的重要途径之一.

Theoretically, experiments with genes that confer resistance to disease or herbicides could create hardier weeds.

从理论上说, 用含有抗病或抗除草剂的基因进行试验,可能产生更难于对付的杂草.

The sulfonylurea herbicides have been characterized by broad-spectrum good crop selectivity and low mammalian toxicity.

磺酰脲类除草剂是近二十年来开发成功的一类超高效、 广谱 、低毒和高选择性的除草剂,问世以来受到人们的极大关注,得到较为深入的研究.