杀虫剂的

If the fish have not improved within 5-7 days, perform a 50% water change and treat with formalin or an organophosphate insecticide used for removing the monogenetic flukes.

如果鱼没有改善， 5-7天内，执行50 ％的水分变化和治疗与福尔马林或一有机磷杀虫剂用于消除

Five synthesis methods of the third generation nicotinic insecticide-dinotefuran are discussed.

叙述了第三代烟碱类杀虫剂呋虫胺的5种合成方法。

Nicotinic acetylcholine receptors play an important role in excitatory synaptic transmission in insects and are also one of the most important insecticide targets.

烟碱型乙酰胆碱受体是昆虫体内重要的神经受体，同时也是杀虫剂作用靶标。

"Tin bonds with carbon to form organotin compounds, used to stabilize PVC and in biocides and fungicides."

锡与碳的键合形成有机锡化合物，用于稳定PVC材料，还用在杀虫剂和杀真菌剂中。

However, with the rule, the EPA can focus on pesticidal components of packaging while the FDA regulates nonpesticidal components.25

可是，因为有了这项规则，环保署可以主要关注有杀虫剂成分的包装材料，而食品药品署管理另一部分。

As a new type biological pesticide, metarhizium anisopliae （ L8500） causes no pollution, is environmentally compatible, has a low cost, clear pesticidal effects, and good economic, social and biological benefits and good prospects for promotion and application.

绿僵菌（ L8500）作为一种新型生物杀虫剂，无污染，环境相容性好，成本低，杀虫效果明显，具有良好的经济、社会、生态效益和推广应用前景。

Objective The toxicity and synergism of several commonly used insecticides mixed with Piperonyl Butoxide against the larvae of Culex pipiens pallens collected from fields of three regions in Shandong province were determined for controlling vector mosquitoes by scientifically rational use of insecticides as well as delaying and overcome the occurrence and development of resis-tance.

目的 了解常用杀虫剂与增效剂氧化胡椒基丁醚（S 1 ）混用对山东省三个不同地区现场淡色库蚊的毒力及增效作用。

Since it was introduced and separated in the late 1980s, avermectin had become a major pesticide against Plutella xylostella in china.

我国自80年代末引进分离阿维菌素产素菌后，近几年来，该类杀虫剂产品已成为我国蔬菜生产上小菜蛾防治的主导药剂。

Pupal treatment with dichlorvos and bisultap reduced emergence of adult wasps, while the other insecticides had no effect.

试验表明，敌敌畏和杀虫双处理蜂茧后降低了成蜂羽化率，其他杀虫剂处理蜂茧后并未影响成蜂的羽化。

The results showed that fipronil, which belongs to the benzyl pyrazole pesticides, had the highest toxicity to this insect of the tested insecticides.

结果表明：供试药剂中苯并吡唑类杀虫剂氟虫腈对细胸金针虫幼虫的毒力最高，LC50值为0.007613mg/kg土。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。