Bt由于它的毒性非常专一,只是对昆虫有毒性而受有机农药欢迎。
Bt is a favored organic pesticide because its toxicity is very specific, making it harmless to just about everything but the pest in question.
雷切尔·卡森《寂静的春天》让我们醒悟农药的危险后半个世纪,我们正在用毒性严重的多的化学品毒化我们的土地和水。
Half a century after Rachel Carson's Silent Spring awakened us to the dangers of pesticides, we are poisoning our lands and waters with more toxic chemicals than ever.
其思路是减少农药的整体毒性。
The idea is to reduce the overall toxicity of the entire armory of pesticides.
结论百草枯属于中等毒性农药。
农药在光诱导下进行的化学转化是重要的非生物转化途径,其过程和产物对农药药效、代谢、毒性及环境影响重大。
Photochemical transformation of pesticides is an important non-biological process, in which the pesticide efficacy, catabolite, toxicity and environmental impact are significantly affected.
新法规支持者声称,这将促使欧洲一些毒性最大的农药停止销售。
The legislation's supporters claim it will lead to some of Europe's most hazardous chemicals being withdrawn from the market.
三种有机磷农药复配剂的急性联合毒性的研究至今未见报导。
Very few investigations have been Conducted on the acute toxicity of combinations of three organic phosphorous pesticides up to now.
简述了农药施用后在环境中的残留及相应的毒性问题。
This paper briefly discusses residues left in the environment following pesticide application and corresponding toxicity problems.
以水华鱼腥藻为材料研究了6种氨基甲酸酯类农药对藻类的毒性效应。
The toxicity effect of 6 carbamic ester pesticides on Anabaena flos-aquae was studied.
该系统为您在开展新医药、新农药、新材料的设计工作和新有机污染物的研究过程中,提供化合物的致癌毒性信息。
It can provide carcinogenic toxicity information in drug design, pesticide design, material design and identification of organic pollutants.
本文综述了农药对藻类的毒性机理以及藻类对农药的富集和降解作用。
This paper reviewed pesticides toxic mechanism to algae and the role of algae on pesticides' accumulation and degradation.
文中还讨论了研究农药相互影响对于合理评价农药环境毒性的意义。
The significance of study on pesticide interaction in pesticide toxicity evaluation was discussed.
微生物源生物化学农药作为低毒性新型化学农药的开发资源具有重要的开发价值。
Biochemical pesticides of microbial origin as development resources of new, low toxicity chemical pesticides have significant values.
该系统为您在开展新医药、新农药、新材料的设计工作和新有机污染物的研究过程中,提供化合物的急性毒性信息。
It can provide acute toxicity information in drug design, pesticide design, material design and identification of organic pollutants.
开发毒性更大的农药,但我们别忘了,这些小东西的生命力是很顽强的。
So what next? Well, we could start making even more toxic pesticides. But remember, they're resilient little buggers.
方法:急性经口及经皮毒性试验、眼及皮肤刺激试验均按照我国现行《农药登记毒理学试验方法》规定方法进行。
Methods: All of the tests which include the acute oral and dermal toxicity, eye and skin irritability were based on the "Toxicologicaltest methods of pesticides for registration".
有机磷农药是目前国内外使用较多的化学农药,对人、畜均有毒性。
Now, organophosphorus pesticides are widely used at home and abroad, which are toxic for human being and livestock.
毒死蜱是目前广泛使用的一种有机磷农药,它对人体及其它生物体的毒性作用越来越受到广泛关注。
Chlorpyrifos is by far the most widely applied organophosphate insecticide, and its toxicity to human and organism has been paid more and more attention.
本目录所称剧毒化学品是指具有非常剧烈毒性危害的化学品,包括人工合成的化学品及其混合物(含农药)和天然毒素。
The highly toxic chemicals mentioned in the Catalogue refer to those with acute toxic hazard, including the manually synthesized chemicals and their mixtures (including pesticides) and natural toxins.
目的了解生物农药庄稼保护剂的毒性和安全性。
To learn the toxicity and safety of the biological crop protective agent.
农药废水因毒性大、浓度高、组分复杂,成为工业废水治理难题之一。
Due to high toxicity, high concentration and complicated composition of wastewater from manufacturing agrochemicals, its treatment and purification have become one of the biggest challenges.
目的研究生物农药绿僵菌原药急性经口、经皮、吸入毒性及眼睛刺激和致敏率。
Objective to test the acute toxicity of biopesticide-Metarhizium, include oral toxicity, dermal toxicity, inhalation toxicity, eye irritation and dermal sensitization.
赤霉素(GA3)是一种植物生长调节剂类农药,当大量使用时会产生一定毒性。
Gibberellin (GA3) is a kind of plant growth regulator pesticides. When GA3 is used excessively, it would produce a certain toxicity.
农药残留的毒性问题对人们的身体健康和绿色的生态环境也构成了严重的威胁,引起了人们的高度重视。
With the excessive and fallacious use, the pesticide residues in food or environment, however, cause a lot of ill-influence on human's health.
目的:验证采用大型水蚤检测农药和无机砷污染的饮用水和地表水源水毒性的可行性。
Results:Daphnia magna could detect the toxicity of drinking water and water resource polluted by 0.
目的:研究新型农药多噻烷有无迟发神经毒性。
Objective: To study the delayed neurotoxicity after acute poisoning of PCTA in female chickens.
并从农药的毒性、理化性质、使用状况及相应的环境条件等方面分析了农药污染环境的因素。
In addition, the factors of contamination of pesticides in environment were also discussed, based on the toxicity, physico-chemical properties and application of pesticides, and environment…
本文以近年来该领域的研究成果为基础,综述了有机磷农药对海洋动物乙酰胆碱酯酶的毒性效应。
Based on the previous reports in this field, the toxicity of organophosphorus pesticides to AChE in Marine animals is reviewed in this paper.
根据毒性等级及划分标准,明确了这几种农药的毒性大小和毒性等级,并评价了其对非靶标生物的环境毒性影响。
Consulting the toxicity degrees and the division standards, defining the toxic levels and toxic degrees of the five pesticides and evaluating the environmental toxic effects on non-target organisms.
根据毒性等级及划分标准,明确了这几种农药的毒性大小和毒性等级,并评价了其对非靶标生物的环境毒性影响。
Consulting the toxicity degrees and the division standards, defining the toxic levels and toxic degrees of the five pesticides and evaluating the environmental toxic effects on non-target organisms.
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