查询词典 insecticide

DDT (dichlorodiphenyltrichloroethane):Synthetic insecticide belong ing to the family of organic halogens.

滴滴涕：二氯二苯基三氯乙烷：一种合成的有机卤素化物杀虫剂。

A persistent organochlorine insecticide, also known as dichlorodiphenyltrichloroethane, that was introduced in the 1940s and used widely because of its persistence (meaning repeated applications were unnecessary), its low toxicity to mammals and its simplicity and cheapness of manufacture.

中文解释=难以分解的有机氯杀虫剂，化学名称为二氯二苯基三氯乙烷，因其在环境中的持久性、对哺乳动物的低毒性和制造容易、花费低，所以在1940年代被大量使用。

Penifulvin A is a potent insecticide against the fall armyworm Spodoptera frugiperda which causes enormous damage in the US by consuming foliage of a variety of field crops.

Penifulvin A是针对秋季夜蛾夜蛾造成了消费领域的各种作物的枝叶在美国的巨大破坏烈性杀虫剂。

Enlarge effection of the mixture of. PB and Beta-cypermethrin accord with equation y =-0.0156x2 + O.I623x + 1.2098(r = 0.8862). Other several proportion of insecticide with PB is 5:1, Tetramethrin's enlarge effection is 2.51 times The Permethrin is 1.40 times, D-trans allethrin is 0.50 times, D-prallethein is 1.67 times ,80% DDV milk is 1.38 times.

PB对高效氯氰菊酯的增效作用符合方程y=-0.0156x~2+0.1623x+1.2098(r=0.8862)，以PB和其它几种杀虫剂的比例为5：1时，对敏感家蝇种群成虫的毒力增效倍数为胺菊酯2.51倍、氯菊酯1.40倍、右旋反式丙烯菊酯0.50倍、右旋丙炔菊酯1.67倍、80％DDV乳油1.38倍，各杀虫剂与PB混配均表现为相加作用。

Methods The insecticide film was used to identify the resistance of German cockroach to four kinds of insecticides.

采用药膜法测定德国小蠊对4种常用杀虫剂的抗性水平，采用分光光度法测定酶活性。

The results suggested that insecticide resistance in German cockroach field populations may be correlated with elevated activity of CarE.

结论德国小蠊抗性品系和敏感品系在CarE生化特征上的差异，显示出德国小蠊抗性品系对几种拟除虫菊酯类杀虫剂产生的高度抗性，与其体内CarE活性的提高有密切关系，表明CarE活性的提高是北京地区野外德国小蠊品系普遍存在的一种抗性机制。

The results indicated that cytochrome P450 was correlated with resistance to insecticide in resistant strains of German cockroach.

结论德国小蠊抗性品系、敏感品系在Cyt-P450 CO差光谱上的差异，表明德国小蠊抗性品系的Cyt-P450参与了抗性的形成

Objective To preliminarily identify biochemical mechanism of insecticide resistance by comparing the activities of CarE in susceptible and 9 field resistant populations of German cockroach, Blattellagermanica in Beijing.

目的研究德国小蠊敏感品系和抗性品系羧酸酯酶生化性质上的差异，旨在从生化水平上确定CarE在德国小蠊抗性中的作用，初步揭示德国小蠊抗性机制。

Objective:To preliminaty identify biochemical mechanism of insecticide resistance by comparing activities of Acetylcholinesterase and Glutathione S-transferase amorg different field strains of German cockroach, Blattella germanica in Beijing.

目的：比较北京不同地区德国小蠊野外品系乙酰胆碱酯酶和谷胱甘肽S-转移酶活性上的差异，以初步揭示其生化抗性机制。

According to Gilson Consega of the Brazilian Agricultural Ministry's phytosanitary department, China, Brazil's main soy export destination, discovered excess humidity, earth and unacceptable traces of insecticide in one soybean shipment and, more worryingly for Brazil, found evidence of the aflatoxin bacteria, which can cause cancer, in another cargo.

巴西农业部植物病理司的吉尔森·康赛加说，作为巴西大豆主要出口对象的中国在一批出口大豆中发现有过多水份、泥土及超量杀虫剂，更令巴西担心的是，在另一批货中还发现有致癌性黄曲霉毒菌的证据。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。