查询词典 pesticidal

The avermectins are a family of naturally occuring macrocyclic lactones with important anthelmintic and pesticidal activity.

阿维菌素是具有杀虫和杀螨活性的大环内酯衍生物。

C1oning ofinsecticidal novel cry\' genes to Coleopteran pest tYom Bacillus lhuringiensisisolates will be beneficial fOr app1ication of pesticidal novel gene resources andwill lessen the gap betWeen domestic and abroad.

从Bt菌中分离克隆杀鞘翅目害虫的特异基因，将有效开发利用我国丰富的杀虫基因资源，缩小国内外在Bt杀虫基因基础研究领域中的差距，为工程菌和抗虫转基因植物的研制提供新的基因来源。

Annonaceous acetogenins are natural compoundsisolated so far only from Annonaceae and showed potential as anticancer,immunosuppressive, and pesticidal agents.

Tonkinecin是一个具C5羟基37个碳的单四氢呋喃环番荔枝内酯化合物，它对人类肿瘤细胞如肝细胞瘤、胃癌等强烈细胞毒性。

It showed that exploiting new pesticidal microbial resources is of important significance.

这些自身特性都表明开发新型的微生物杀虫剂资源具有重要的意义。

These compounds exhibited higher activity than diphenylethers and they are one of the most hot fields in pesticidal chemistry.

本文综述了苯并噁嗪类化合物在农药中的应用和1，4-2H-苯并噁嗪的合成研究进展。

The genetic improvement of pesticidal plant and microbe for the purpose of promoting quality and output were analyzed.

介绍了利用基因工程技术对农药源植物和微生物进行遗传改造，从而优化产品质量提高产量。

Chinese herbal medicine has been used in clinic over two thousands years, many of them exhibit pesticidal activities at the same time.

中草药在中国的使用已有二千多年历史，其中许多植物同时还具有农药活性。

Preliminary bioassay shows that three compounds have different pesticidal activities.

初步生物活性测试表明，其中三个化合物具有不同的杀虫活性。

Meanwhile, different pesticidal approaches were implemented to sieve some effective control methods.

同时采取不同施药防治措施，筛选合理有效的防治方法，结合林业防治管理技术，对害虫种群进行综合控制。

The yield reached 67.0% The medicinal and pesticidal activities of a part of the compounds have been measured .

在进行氨基酰化时，论文克服了该类嘧啶环上4位氨基在常规条件下不与芳香类和带有强吸电子基如三氯乙酰基酰化试剂发生反应的困难，通过采用在强碱性条件下进行酰化，得以成功。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。