查询词典 German Pyrethrum

The extract of pyrethrum could be used on the vegetable production for the substitute of synthetic insecticide.

结论］除虫菊提取物完全可以作为化学合成农药的替代品在蔬菜生产中使用。

There is a serious drug-resistant problem, resulted from a flood of usage of pyrethrum ester insecticide in long-term. In this paper, we analyzed the problem and put forward a project for trying solution it.

本文针对拟除虫菊酯类杀虫剂由于长期大量的使用而出现的严重抗药性问题进行了分析并提出一个试图解决该问题的方案。

And the compared efficacy test was executed between extract of pyrethrum and other several normal synthetic insecticide.

中提取天然除虫菊提取物，与常用的几种化学合成杀虫剂对比，进行药效试验。

Microwave extraction of the dry flower of pyrethrum , using a reconstructed home microwave oven as main equipment, is studied in this paper.

本研究使用经改造的家用微波炉作为主要设备，对微波萃取除虫菊干花做了L_9(3～4)正交实验。

The output of some export crops , notably cashews, cotton, and pyrethrum, fell drastically

有几种出口农作物，特别是腰果、棉花和除虫菊的产量大幅度下降。

People in natural Pyrethrum ester chemical structure on the basis of a variety of pyrethroid insecticides, but the validity of these pesticide residues are short and easy solutions for optical characteristics.

人们在天然除虫菊酯化学结构研究的基础上合成出了多种拟除虫菊酯杀虫剂，但这些杀虫剂均有残效期短和极易光解的特点。

An insecticide derived from a plant, e.g. pyrethrum.

3来源于植物的杀虫剂，例如除虫菊。

The extract of pyrethrum was extracted by soxhlet extraction from Chrysanthemum Cinerarioefolium Vis..

方法］用索氏提取法从白花除虫菊株系Chrysanthemum Cinerariaefolium Vis。

Based on the antifungal activity screening of endophytic fungi obtained from Pyrethrum cinerariifolium, the strain of Y1 with higher activity its active substances were separated.

在对从除虫菊中分离到的内生真菌进行抑菌活性系统筛选的基础上，对其中活性较高的Y1 （Pestalotiopsis sp。

In this paper,natural pyrethrum nano-capsule with a wall of the copolymer of styrene and methyl methactylate was prepared by means of microemulsion polymerization .

研究用微乳液聚合法制备以甲基丙烯酸甲酯和苯乙烯共聚体为囊壁，以天然除虫菊酯为囊芯的纳米胶囊。

Fostering the concept of multi-culture firmly and mastering the development of advanced culture correctly are conductive to resisting terrorism, separatism of nationalities and ultraism of religion, which is of great academic theoretical, immediate and profound historical si...

牢固树立多元文化的理念和正确把握先进文化的发展方向，有助于在世界范围内自觉地抵制恐怖主义，民族分裂主义和宗教极端主义。不仅具有重大的学术理论意义，而且也具有重大的现实意义和深远的历史意义。

But if anyone walks in the night, he stumbles, because the light is not in him.

11：10 若在黑夜行走，就必碰跌，因为那光不在他里面。