2.upsetting the balance of nature through the use of insecticides;
由于杀虫的使用破坏自然界的平衡；
3.Metaflumizone, a new insecticide for controlling Lepidopterous and some Coleoptera pests, was briefly reviewed.
氰氟虫腙是一种型的杀虫，主要用于防治鳞翅目和部分鞘翅目害虫。
4.a bitter compound used as an insecticide and tonic and vermifuge; extracted from the wood an bark of trees of the genera Quassia and Picrasma.
一种味苦的化合物，用作杀虫，从苦木属树木木材和树皮中提取。
5.A new typal insecticide, its generation, physical and chemical properties, insecticidal mechanism, insecticidal characteristic and synthesis of diflubenzuron are introduced.
介型杀虫──除虫脲的发现、理化性质、杀虫理、杀虫特点及合成方法。
6.DBK group is a world-wide operating company in product innovation and man-ufacturing in the field of air treatment, insecticide and air freshener.
DBK集团是一家跨国公司，主要从事空气处理器，杀虫，空器清等产品的生产和革。
7.a manufacturer specialized in agrochemicals with 3 series of germicide,weedicide and insecticide including more than 40 varieties with high quality.
生产农用药的厂家，已形成杀虫、杀菌、除草三大门类。
8.The results showed that susceptibility of the borer to insecticide is in the order as follws: abamectin, fipronil > organophosphorus > carbamate > nereistoxin.
;
;
。
型的杀虫
理、杀虫特点及合成方法。
