查询词典 pyrethrum insecticide

Objective］ The experiment aimed to explore the relation between structure of aconitine,aconitine derivatives and insecticide.

［目的］探讨中乌头碱及其衍生物的结构和杀虫活性的关系。

Home made spray system for insecticide experiment ; Anastatus japonicus Ashmead

仿真；农药喷雾实验系统；荔枝蝽卵平腹小蜂

Most important, proven weapons— principally, insecticide-treated bed nets, other antimosquito strategies, and new combination drugs featuring an ancient Chinese herb— are moving to the front lines.

最重要的是，已经证实有效的武器，正朝对抗疟疾的前线移动，这些武器主要是含有杀虫剂的蚊帐、他的抗蚊策略，以及根据古老中国药草而来的新组合药物。

The survey about employing insecticide in zone of releasing Aphidius gifuensis and convention field show that: Agricultural chemicals employment number of times reduce 1.22 and average employment amount reduced 40%.

对放蜂区和常规施药防治区内烟农施用杀虫剂情况的调查表明，在放蜂区施用杀虫剂的平均次数为1.83次，而常规施药防治区为3.05次，放蜂区的施药次数比常规防治区减少40%。

In the field of biology the paper dicusses mating,parasite,developing,oviposition,etc.of Aphidius gifuensis and effect on its host,also ecologically dicusses its natural enemies and effect of weather,growth of tobacco,insecticide on Aphidius gifuensis.

生物学方面主要论述了烟蚜茧蜂的交配、寄生、发育、产卵、体色、性比、越冬、成蜂寿命及其对寄主生命活动的影响：生态学方面主要论述了烟蚜茧蜂的天敌以及气候因子、烟草长势和化学农药对其的影响。

A salt or ester of carbamic acid, especially one used as an insecticide.

组成蛋白质的基本单位，含有一个氨基和一个羧酸基。

A salt or ester of carbamic acid, especially one used as an insecticide.

一种酸，因其形成的盐和酯而为人所知。

A salt or ester of carbamic acid, especially one used as an insecticide.

兴奋剂一种粉末状的兴奋剂，通常是氨基丙苯

A salt or ester of carbamic acid, especially one used as an insecticide.

碱、一些酸、醇等化合物中的单价基 oh。

A salt or ester of carbamic acid, especially one used as an insecticide.

甲氧基甲基萘乙酸是非固醇抗炎药的一种商标名。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"