查询词典 pesticides

To demonstrate the effects of this type black carbon on sorption and degradation of pesticides in soil,synthetic charcoals from burning of red gum chips at two different temperatures were mixed into a soil with different rates,the sorption and degradation kinetic of chlorpyrifos were determined.

通过吸附试验及降解试验分别测定了农药毒死蜱在添加不同含量两种黑碳的土壤中的吸附特征和降解动态，以阐明黑碳对土壤中农药降解的影响作用规律。

Now it is still used in 70% retention analyses of pesticides.

提取的好坏直接影响到分析结果的正确性。

Rodenticide is a kind of pesticides to kill murine. It is a major source to revoke acute toxicity.

杀鼠剂是农药按用途分类中的一类针对鼠类的药剂，也是引起急性中毒的主要剂型。

The federal statute regulating pesticides is called FIFRA, which stands for the Federal Insecticide, fungicide and Rodenticide Act

管理各种杀虫剂的联邦法令被称作FIFRA，是《联邦杀虫剂、杀菌剂与杀鼠剂法案》的字母缩写。

The effect of pesticides on field controlling root rot of Vicia faba was studied in two consecutive years by seed treatment of fungicides and their combination.

在实验室内探讨了三唑酮、甲基硫菌灵、福美双、恶霜灵和甲霜灵等 5种杀菌剂单用或混用对蚕豆种子萌发和幼苗生长的影响。据此，在田间开展了杀菌剂拌种和杀菌剂与杀虫剂混用防治蚕豆根腐病的研究。

P roper application of pesticide can effectively prevent pests and improve productivity. Thus pesticides play an important role in protecting crops and plants.

农药的适当利用可以有效防止病虫害的发生，并提高作物的产能，在植物保护运用上占有重要的环节，不容忽视。

Early rotenone rotenone people from such plants are separated from the insecticidal activity of a substance, is one of three traditional plant-derived pesticides.

鱼藤酮是早期人们从鱼藤属等植物中提取分离出来的一种有杀虫活性物质，是三大传统植物性杀虫剂之一。

The poisoning efficacy of several pesticides on citrus rust mite was determined.

研究了几种药剂对柑桔锈螨的毒杀作用。

Then, the application of tea saponin in the cosmetics and detergent textile, medicine and pesticides, and other aspects is introduced.

同时介绍了茶皂素在化妆品及纺织品洗涤、医药和农药等方面的应用前景。

Thus, flowering plant species dependent on insect pollination, as opposed to self-pollination or wind pollination, could be endangered when the population of insect-pollinators is depleted by the use of pesticides.

因此，依赖于昆虫授粉的开花类的植物，因为不同于自身授粉或风媒授粉，在花粉媒虫数量因杀虫剂的使用而减少时，会濒临灭绝的危险。

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。