网络释义专业释义英英释义
PYRETHRINS STANDARD 除虫菊素标准品
pyrethrins II 除虫菊素II
Natural Pyrethrins 天然除虫菊精
Pyrethrins powder 除虫菊粉剂
pyrethrins I 除虫菊素I
synthetic pyrethrins 合成除虫菊酯
CS Pyrethrins 除虫菊素
pyrethrins residues 菊酯类农药残留
-
除虫菊素
-
除虫菊酯类 - 引用次数：4
OBJECTIVE: Pyrethrins is a new type pesticide that had developed rapidly in 1870s. It was refined from the plant at first.
目的拟除虫菊酯类农药是70年代迅速发展起来的新型农药，最初是在除虫菊这种植物中提取出来的。
参考来源 - Ⅱ -
除虫菊素
·2,447,543篇论文数据，部分数据来源于NoteExpress
柯林斯英汉双解大词典
pyrethrin /paɪˈriːθrɪn/
-
1.
N an oily water-insoluble compound used as an insecticide. Formula: C21H28O3 除虫菊酯 (Also called pyrethrin I)
双语例句权威例句
-
At present, natural pyrethrins have been widely used in agriculture, forestry, biological pesticides, food hygiene and safety and other fields.
目前，天然除虫菊素已广泛应用在农业、林业、生物农药和食品卫生安全等多个领域。
-
Objective To observe the efficacy of pyrethrins aerosol against cockroaches by bioassay.
目的通过生物测试，观察天然除虫菊素杀虫气雾剂对蟑螂的药效。
-
Improving the content of pyrethrins in pyrethrum through genetic engineering technology is restricted, for little is known about pyrethrins-related genes.
但国内外对于天然除虫菊素合成相关基因的研究很少，从而制约了利用基因工程技术提高除虫菊花中除虫菊素的含量。
应用推荐