查询词典 pesticide

A stomach large volume injection/gas chromatography-mass spectrometry(LVI/ GC-MS ) coupled with solid phase extraction method for the determination of 13 pesticide residues in rice sample was presented in this paper.

利用固相萃取柱对样品进行前处理，采用胃袋式大体积进样技术结合气相色谱-质谱，建立了大米中13种有机磷农药的快速分析方法。

The results indicated that 31P NMR method is an effective tool for analyzing malathion EC, and thus useful in practical pesticide analyses.

分析结果表明，31P NMR是测定马拉硫磷及其有机磷杂质的含量的有效方法，解决了农药分析的实际问题，具有很好的实用性。

Pesticide contamination is considered one of the most contaminated sources of environmental water. Atrazine, Chlorpyrifos, Malathion and Butachlor were applied intensively and more frequently detected in environmental water in China.

农药残留物是水环境的重要污染源之一，莠去津、毒死蜱、马拉硫磷和丁草胺是我国农业上使用量较大且在环境水体中检出率较高的四种农药。

The Malathion was not detectable in ripe rice with once prescription of Carbofuranin and Malathion powder pesticide in the condition of Chinese natural environment.

在中国自然环境条件下用3%克马颗粒剂施药1次，收获的稻米未检出马拉硫磷。

The common-toxicity coefficient of mixed medicament is 125.64, mixed of Matrine and avermectin could expedite struck down pesticide and their medicamental avail represented additive effect.

在测定药剂混用的共毒系数试验中，测得共毒系数为125.64，苦参碱与齐螨素混配，可加快试虫击倒速度，两者药效表现为相加作用。

And aphid. Results of mixed medicamental test showed, Matrine (1.8%) and avermectin(0.04%) had the best effect on killing pesticide and protecting leaves to Pieris rapae L.;Matrine(0.5%) and avermectin(0.2%) and Matrine(0.5%) and avermectin(0.25%) had the best effect to aphid, their LC50 is 0.08815mg/ml 0.07454mg/ml.

药剂混配试验结果表明：对菜青虫的试验中，1.8%苦参碱+0.04%齐螨素处理杀虫效果、保叶效果最佳；对蚜虫的试验中，0.5%苦参碱+0.2%齐螨素混剂处理，0.5%苦参碱+0.25%齐螨素混剂处理效果最佳，两者致死中浓度分别为：0.08815mg/ml、0.07454mg/ml。

The feasibility study on degradation of organic phosphorous pesticide by photocatalysis with the existence of dioxide titanium has been introduced in this paper, which signify that 90% COD can be removed and all the organic phosphorous turned into the inorganic provided that COD and organic phosphorous in the influent is 650 mg/L and 19.8 mg/L respectively and the wastewater is irradiated 4 hours with the strength of 375 W mercury arc lamp.

在TiO2粉末的存在下，研究光催化降解有机磷农药废水的可行性。结果表明，CODcr650mg／L，有机磷19.8mg／L的有机磷农药废水在375W中压汞灯照射4h，COD去除率为90％，有机磷将完全转化为无机磷。

A rapid testing method of organophosphorus pesticide residues in vegetables and fruits was studied in this paper.

研究一种快速简便测定蔬菜水果中有机磷农药残留的方法。

The method can analyze pesticide residues of vegetable and fruit with convenience, rapidity, and security in field.

本方法简便、快速、安全，可用于果蔬样品农药残留的现场检测。

So it is very important for us to research the systemic multi-residues method for the determination of pesticide residues and improve detecting skills.

因此，研究环境中的农药多残留系统检测方法，提高检出水平至关重要。

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。