pyrethrin
英
美
网络 除虫菊; 除虫菊素; 除虫菊酯; 除虫菊精; 除蟲菊酯
双语例句
- You can obtain a pyrethrin shampoo from your vet, who will instruct you in its use.
你可以从你的兽医那里得到这种除虫菊酯洗发剂，他会推荐你使用的。 - Effects of 2 Kinds of Pyrethrin Pesticides on EST Isozymes in Common Carp
两种菊酯类农药对鲤酯酶同工酶的影响 - Spray a pyrethrin into the air when confined to a certain outside area.
当被限制在户外的一定区域时，往空气中喷洒一些除虫菊酯。 - In the conventional analysis of pyrethrin residues, the extractions are treated for purification by method of abstraction for many times.
报道了一种蔬菜拟除虫菊酯类农药残留量的简便分析法。 - An improved method for the determination of pyrethrin
除虫菊素含量分析法的改进 - Objective To investigate the effect of pyrethrin with high concentration against cockroaches on the spot.
目的现场观察应用高浓度菊酯类杀虫剂的热烟雾杀虫技术杀灭蟑螂效果。 - Efficacy of pyrethrin aerosol against mosquitoes and flies
除虫菊素杀虫气雾剂对蚊蝇的药效研究 - A More Convenient Method for Analysis of Pyrethrin Residues in Vegetables
蔬菜中拟除虫菊酯类农药残留的简便分析法 - Effects of two Pyrethrin Pesticides on Serum Lysozyme and Glutamic Pyruvic Transaminase in Common Carp
两种菊酯类农药对鲤血清溶菌酶和转氨酶的影响 - Treatment of Pyrethrin Wastewater
丙烯菊酯的废水处理 - Pyrethrin Extraction with Supercritical Carbon Dioxide for Prior Cell Wall Breakage
预破碎细胞壁超临界二氧化碳萃取除虫菊酯 - Accompanying the study on structures of pyrethrin and the modification of its acid moiety, alcohol moiety& ester linker, pyrethroids are gradually developed as one main class of pesticide.
随着对天然除虫菊酯结构的研究和醇部分、酸部分及酯键的修饰，该类产品逐渐发展成为一类主要的农药消费品。 - The high-enriched cyanogen in pyrethrin wastewater was precipitated in the form of ferrous ferrocyanide ( Fe 2) by ferrous sulfate, then the ferric ferrocyanide ( Fe 4 3), iron blue precipitation with less solubility was formed by means of aeration.
用硫酸亚铁将菊酯生产废水中的高浓度CN-沉淀为Fe2[Fe（CN）6]，经曝气后转化为溶解度更小的Fe4[Fe（CN）6]3铁蓝沉淀。