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- Alkaloids such as veratridine,berberine,the alkaloids from Tripterygium wilfordii,and steroidal alkaloids have excellent insecticide activity. 黎芦碱、小蘖碱、雷公藤生物碱、甾醇生物碱均显示出良好的杀虫活性,番木鳖碱可用于灭鼠。
- Botanical secondary metabolites displayed insecticidal activity provide a new strategy for the design and syntheses of novel insecticide. 综述了近几年国外植物源杀虫活性天然产物的研究进展。
- In recent years,the savin plant has been found with excellent insecticidal activity. 西北农林科技大学无公害农药研究服务中心陕西杨凌;
- The progress on structure、insecticidal activity and synthesis method of neonicotine derivatives have been reviewed. 概述了新烟碱类似物的结构及其杀虫活性,对其合成方法做了简要介绍。
- Insecticidal activity, anti-feeding effects, and trend avoiding were used on botanical pesticides. 在植物源农药上主要运用辣蓼具有杀虫、拒食、驱避等活性作用；
- The results show that the pyrethroid containing 2 - imidazolidone in the structure has insecticidal activity. 实验结果表明：将2-咪唑啉酮引入到拟除虫菊酯结构中，其拟除虫菊酯具有一定的杀虫活性。
- Systematically pretest;Insecticidal activity; Alkaloids;Extraction technology; Peganum harmala L. 10系统预试;杀虫活性;生物碱;提取工艺;骆驼蓬
- In recent years, the savin plant has been found that has excellent insecticidal activity. 近年来，中国还发现该植物是一种优秀的杀虫植物，并对其杀虫作用进行了较为系统的研究。
- At the same time, KHm insecticidal activity, the strength of bactericidal effect of sodium humate than good. 同时，活性腐植酸钾本身的杀虫、杀菌力也比活性腐植酸钠强。
- Insecticidal activity of deoxypodo- phyllotoxin,isolated from juniperus Sabina L. 高蓉，高聪芬，田暄，余向阳， Xudong Di ，Hang Xiao，张兴*.
- The airplane dusted the crops with an insecticide. 飞机给农作物撒农药。
- Insecticidal activity of Daphne tanutica, a local endemic plant from Qinghai-Tibet plateau, was first reported in this paper. 报道了青藏高原特有植物唐古特瑞香（Daphne tangutica）的杀虫作用。
- The insecticidal activity of cis-isomer of permethrin against the armyworm is 1. 33 times higher than that of trans-isomer. 氯菊酯顺体异构体对粘虫的杀虫活性是其反体的2。33倍。
- Objective: To synthesize and screen the halonitrophenol compounds with highly insecticidal activity against ectoparasites and fascila hepatica. 目的:合成并筛选生物活性好的抗螨虫化合物,且测试部分化合物抗肝片吸虫的生物活性。
- Crude extracts of Vitex negundo seeds were tested for insecticidal activity against five insect pest species andsafety to the multicolored ladybeetle (Harmonia axyridis). 研究了黄荆种子二氯甲烷提取物对5种害虫的杀虫活性以及对天敌异色瓢虫的安全性。
- The star anise oil had good antimicrobial,insecticidal activity and antifree radical oxidation effect,it was nature food preservative and antistaling agent. 八角茴香精油具有较好的抑菌、杀虫活性和抗自由基氧化作用,可作为食品天然防腐剂和保鲜剂。
- The gardener sprayed insecticide on the flowers. 那园丁给花喷洒了杀虫剂。
- The plant began making Rogor insecticide in 1960. 这工厂在1960年开始制造罗格尔杀虫剂。
- The office has been humming with activity. 办公室一直忙着搞活动。
- The farmers dusted crops with an insecticide. 农民们给作物喷洒杀虫剂。
