查询词典 pesticides

The microwave-assisted extraction and Florisil solid phase extraction conditions were optimized. Under the optimum condition, the recoveries of 18 organochlorine pesticides (α-HCH,β-HCH,γ-HCH,δ-HCH, heptachlor, aldrin, heptachlor epoxide, endosulfan Ⅰ, p, p'-DDE, dieldrin, endrin, endosulfan Ⅱ, p, p'-DDD, o, p'-DDT, endrin aldehyde, endosulfan sulfate, p, p'-DDT, methoxychlor) were

优化了微波萃取和固相萃取柱净化条件，在最优条件下18种有机氯农药（α-HCH、β-HCH、γ-HCH、δ-HCH、七氯、艾氏剂、环氧七氯、硫丹Ⅰ、p，p'-DDE、狄氏剂、异狄氏剂、硫丹Ⅱ、p，p'-DDD、o，p'-DDT、狄氏剂、异狄氏剂醛、硫丹硫酸酯、p，p'-DDT、甲氧滴滴涕）的回收率在

This article discussed the research progress of microbe degradation of pesticides.

文摘：本文讨论了农药微生物降解的研究进展。

The microorganism has played an important role for the degradation of pesticides in soil and water environment.

微生物对环境中残留农药的降解起着重要作用，能减少农药对环境安全的影响。

We already know that due to acid rain, overuse of the land, pesticides and other factors that the mineral content of the soil is dangerously low.

我们已经知道，由于酸雨，过度使用的土地，杀虫剂和其他因素，认为矿物质含量的土壤是很低的危险。

Once established, buffalograss requires miniscule amounts of water, fertilizer, and pesticides.

建植后的野牛草对水、肥和杀虫剂的要求非常低。

Many people believe that this is due to misuse of chemical fertilizers and pesticides caused.

许多人认为，这是由于化肥和农药的滥用所造成的。

Has a complete system of production and quality testing tools, has three major product series: efficient plant growth regulator over a long time, pesticides, miticide.

具有完善的生产体系与质量检测手段，主要产品有三大系列：高效植物生长调节剂比久、杀虫剂、杀螨剂。

Last May a study published by Cornell University showed that pollen from some strains of corn with built-in pesticides can kill the larva of the Monarch butterfly, a pest by nobody's standards.

去年五月，康奈尔大学的一份调查报告显示，含有杀虫功能的玉米花粉能杀死黑脉金斑蝶的幼虫，而任何人都不会把蝴蝶当成害虫。

"Human activities, such as monocultural farming practices, use of Broad-spectrum pesticides, and introduction of exotic species, often result in the proliferation of pest species."

人类的活动，如：单一的耕作、广谱农药的使用和外来物种的引进都有可能造成有害生物物种的繁殖。

"Human activities, such as monocultural farm ing practices, use of broad-spectrum pesticides, and introduction of exotic species, often result in the proliferation of pest species."

人类的活动，如：单一的耕作、广谱农药的使用和外来物种的引进都有可能造成有害生物物种的繁殖。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。