查询词典 pyrethroid
- 与 pyrethroid 相关的网络例句 [注：此内容来源于网络，仅供参考]
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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%。
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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。
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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。
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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。
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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。
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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。
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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。
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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。
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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。
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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。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很，以良性病变为主。