pesticides的例句大全

Consumption of contaminated aquatic products is a major route of human exposure to organochlorine pesticides ( OCPs ).

水产品的摄入是人体暴露于有机氯农药的主要途径之一.

The main reason for this succession might be the changes in crops distribution, cultivation type, planting method, management technique and over-use of chemical pesticides and fertilizers.

导致这一演替的主要原因为作物布局、耕作制度、栽培方法、管理技术的变化和农药化肥的过量施用。

The determination methods of carbamate pesticides residue included gas chromatography and high performance liquid chromatography ( GC/ MS) and LC/ MS.

氨基甲酸酯类农药残留量的测定方法主要有气相色谱-质谱联用（GC/MS）和液相色谱与质谱联用技术（LC/MS）。

The results show that benzo ( a) pyrene is of the highest total score in several kinds of persistent toxic substances, followed by chromium ( VI), cadmium, lead and benzene hexachloride ( BHC, a kind of organo-chlorine pesticides).

结果表明，在几类典型的持久性毒害污染物中，苯并（a）芘的总分值最高，其次为重金属类的铬（六价）、镉、铅及有机氯农药类的六六六。

Bioactive natural product model is a primary way to research and develop novel pesticides.

从天然产物中寻找先导化合物是新农药研究与开发的主要途径之一。

There was complicated change in the EST bands and stable in the MDH because the bonding point of the pesticides were different.

由于不同种农药的作用结合位点不同，使得酶带变化规律也不相同，当虾体被注射农药后，EST酶带变化较复杂，而MDH酶带则较稳定。

The application pressure reducing column chromatography ( PRCC ) in the formulation of new pesticides has been studied.

研究了减压柱层析分离纯化方法在新药合成中的应用.

2, 2-Dimethylolpropionic acid is an intermediate for dyes and pesticides. It can be used to synthesize a series of esters and metal salts of DMPA and also be used to synthesize hindered phenolic antioxidants. DMPA can join polycondensation reaction as a dihydric alcohol.

2,2-二羟甲基丙酸（DMPA）是染料及农药的中间体，还可以制成一系列的DMPA的酯类和金属盐类，也可用来合成受阻酚类抗氧剂，DMPA作为一种二元醇可以参加缩聚反应。

And according to the actual situation of Gansu province, selecting chemical fertilizers, pesticides, irrigation area, plastic film, diesel as the basis index to calculate the agricultural carbon footprint.

首先研究了现有低碳农业以及碳足迹理论并根据甘肃省实际情况选择化肥、农药、灌溉面积、塑料薄膜、柴油作为计算农业碳足迹的基础农业投入指标，计算甘肃省农业碳足迹。

With the technology, sea-Shou team launched septempunctata cotton insect pesticides out Emperor septempunctata.

凭借该技术, 杨寿海团队推出棉蛉虫杀虫剂灭蛉皇.

The effect of water content on diffusion of pesticides under very dry conditions has been investigated.

人们曾经研究了在十分干燥的情况下水分含量对农药扩散的影响.

Airborne particles were collected from urban areas of Beijing and Tianjin using an FA-3 aerosol cascade sampler in summer 2002. Organochlorine pesticides residues in various size fractions of the samples were measured.

采用FA-3型气溶胶粒度分布采样器采样，对北京和天津2个样点夏季大气中不同粒径颗粒物上有机氯农药残留量进行分析。

A SAS program to calculate median lethal dosage ( LD_ ( 50)) of pesticides, named LD50-SAS, was developed based on the algorithms established by Bliss.

基于Bliss概率单位法，编写了用于计算半数致死量（LD50）的SAS程序（LD50-SAS）。

Details covered by the evaluation system of different levels, including the acute toxicity of indoor silkworm research, leaves residues of toxic pesticides on silkworm ( acute and sub-lethal effects).

详细介绍了该评价体系所涵盖的不同层次，包括家蚕的室内急性毒性研究、叶面残留农药对家蚕的毒性（急性与亚致死效应）危害影响。

XJ was enhanced by enrichment culture method inorganic salt and target pesticides by using gas chromatography.

菌株XJ,经富集培养法提高其对农药的降解效能后,用气相色谱检测了该菌株对目标农药的降解率.

It's what it also doesn't have. PHIL REAY SMITH, ITN REPORTER: And people in the organic food industry, like AI Overton, believe it's that lack of pesticides and better reputation for animal welfare that will keep customers coming.

ITN记者菲尔·史密斯：像艾尔·欧维顿这样的有机食品产业者认为因为有机食品未使用杀虫剂，而且比较重视动物的福祉，所以消费者会持续上门。

All the detection limits for organophosphorus pesticides are lower than the MRL values of European Norm.

有机磷农药检出限小于欧盟对茶叶的MRL值.

Potency Test for Tetranychus truncates and T. urticae with Seven Pesticides

7种杀虫剂对截形叶螨和二斑叶螨的防效试验

TheHCHs and DDTs in the Liao River originate mainly from the use of pesticides inagriculture.

六六六和滴滴涕是主要污染物,它们主要来源于农药的使用.

Many pests have developed resistance to the common pesticides.

许多种害虫都发展出了对普通杀虫剂的耐药性.