查询词典 pyrethroid

The positive rate of detecting 15 kinds of pyrethroid pesticides in vegetables by this method was 4.7%.

应用本方法对巧种蔬菜中菊酯类农药进行测定，阳性率为4.7%。

Objective To establish a method for simultaneous determination of kelthane and pyrethroid pesticide residues in water.

目的 建立同时测定水中三氯杀螨醇和7种拟除虫菊酯的气相色谱测定方法。

Objective: To establish a method for detecting 15 kinds of organochlorines and 8 kinds of pyrethroid pesticide multiresidues in vegetable foods and products.

目的：建立蔬菜及其制品中15种有机氯农药和8种拟除虫菊酯类农药的残留气相色谱分析方法。

A method to determine pyrethroid residues in traditional Chinese medicines based on microwave-assisted extraction was studied.

研究了采用微波辅助萃取法从中药材中提取拟除虫菊酯类农药的影响因素。

In this paper,mechanism and effect factors of pyrethroid to aquatic organisms were reviewed.

本文综述了菊酯类农药对各种水田生物的急性和慢性作用机制、影响因子，提出拟除虫菊酯类农药能否在水田应用需要进行深入系统的研究论证。

Objective To observe the estrogenicity of organophosphorus and pyrethroid pesticides.

目的 观察有机磷与拟除虫菊酯农药的拟雌激素活性。

A method to determine 4 pyrethroid pesticides in traditional Chinese medicines based on microwave-assisted extraction was studied.

考察采用微波辅助萃取技术从中药材中提取除虫菊酯类农药的影响因素。

AIM observe the effects of pyrethroid on NGF and BDNF protein expression in rat cortex and hippocampus after thyroidectomy.

目的 观察甲状腺激素在拟除虫菊酯诱导大鼠大脑皮层和海马的NGF和BDNF表达中的作用。

The method is simple and accurate, sensitive and applicable for simultaneous determination of 8 kinds of pyrethroid pesticide residues in edible fungi.

本方法简便准确，灵敏度高，适用于食用菌中8种菊酯类农药残留的同时测定。

Development of vector resistance to pyrethroid insecticides has been reported all over the world,which is a major obstacle to control of vector-borne diseases.

媒介昆虫的拟除虫菊酯抗性已经在世界范围内存在，是控制媒介传染病的一个主要障碍。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。