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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Key words Pyrethroid, Isoxazole, Insecticide, Synthesis, Bioactivity
张田林 男，38，教授，博士，主要从事医药中间体合成及有机溴阻燃剂的研制。
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Pyrethroid insecticides have so many excellencies as low toxicity and high efficiency that it can't be supplanted for a long time.
但是由于它具有低毒，高效等许多独特的优点，在一段时间内，很难被其它品种取代。
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Objective: To examine the feasibility of different extraction methods for the simultaneous determination of 7 kinds of pyrethroid pesticide multiresidues in dringking water by capillary gas chromatography.
目的：考查采用不同萃取方法及毛细管气相色谱法同时测定饮用水中多种拟除虫菊酯类农药残留量的可行性。
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This mean that the synthetic pyrethroid powder could prevent ticks at field to climb up dog's body availably. Canine rooms and canine playground were the location whitch hiding a great deal of canine ticks. 2% dichlorvos liquor was used to scatter at the wall, floor of canine room and the canine bed,then the door and window were closed for fuming. The door and window were opened after 4 hours and the room were washed downright.
犬舍灭蜱用浓度为2%的敌敌畏溶液喷洒犬舍的墙壁、地面、和犬床，然后关严犬舍门窗进行熏杀，4h后打开犬舍门窗进行通风排气，并用清水彻底冲洗犬舍，最后在犬舍每面墙约与犬身同高的部分和墙与墙、墙与地面的交界处用合成除虫菊药粉笔画上数道连续并排的粉线。
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Objective: To establish a gas chromatography method for simultaneous determination of organochlorine and pyrethroid pesticide residues in Viscum coloratum by cloud-point extraction.
中文摘要：目的：建立浊点萃取-气相色谱法测定槲寄生中有机氯和拟除虫菊酯类农药残留量的方法。
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Objective: To establish gas chromatography method for simultaneous determination of organochlorine and pyrethroid pesticide residues in Viscum coloratum by cloud-point extraction.
中文摘要：目的：建立浊点萃取-气相色谱法测定槲寄生中有机氯和拟除虫菊酯类农药残留量的方法。
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To establish a rapid and sensitive method for simultaneous determination of 7 kinds of pyrethroid pesticides in vegetables.
目的 建立一种同时检测7种菊酯类农药快速灵敏的分析方法。
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In China, pyrethroid insecticides were forbidden to apply in rice field .
但是，在中国一直被禁止应用于水田害虫防治。
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The results showed that control efficacy of pyrethroid pesticides to insect pests of rice was good.
试验结果表明，拟除虫菊酯农药对水稻害虫具有较好的防治效果，在参试的4种药剂中，以氯氟氰菊酯效果最佳。
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Methods 7 kinds of pyrethroid pesticides were qualitatively and quantitatively analyzed by GC-MS method.
采用气质联用的方去，同时对蔬菜中的7种菊酯类农药进行定性及定量分析。
- 推荐网络例句
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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.
每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。
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Maybe they'll disappear into a pothole.
也许他们将在壶穴里消失
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But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.
但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。