查询词典 larve

Methods IV instar larve of Cx.pipiens pallenswere treated with propoxur at the dose of LC 50 in each generation and remaining survival larrae were fed under laboratory conditions.

在实验室条件下，用残杀威以LC 50 的剂量处理IV龄幼虫，选育残杀威抗性品系。

The research of antifeedant toxicity of bitter almond oil against 3th instar larve of Mythimna separata Walke showed that under the higher concentration, the antifeedant rates are above 95.78% at the test time, but under the lower concentration, the antifeedant rates are decreased with prolonging the treatment time.

苦杏仁精油对粘虫的拒食活性结果表明在高浓度下，精油对粘虫的拒食率达95.78%以上，而低浓度精油随着处理时间的延长，对粘虫的拒食活性逐渐降低。

Armigera larvae. For the larve under the 750μl/L CO2, their free fatty acid, SOD, TChE and AMS significantly increased, whereas their protein, total amino acid and GSHPX significant decreased.

与对照比较，750μl/L CO2饲养下棉铃虫幼虫体内蛋白质和总氨基酸含量分别下降了14.16%(p.01)和28.40%(p.01)；超氧化物歧化酶、乙酰胆碱酯酶和淀粉酶的活性分别增加了26.43%、9.12%和40.17%，而谷胱甘肽过氧化物酶的活性则下降了20.25%(p.01)。

The experimental results for three hygyenic insects show that: LC50 of Py902 and Py903 is 6.8 ×10-3ppm and 6.7 ×10-3 ppm for Larve of Culex pipiens pallens.

经对3种卫生害虫试验，结果表明：氟炔菊酯（PY902）对淡色库蚊幼虫LC50为6.8×10－3ppm

Methods iv instar larve of cx.pipiens pallenswere treated with propoxur at the dose of lc 50 in each generation and remaining survival larrae were fed under laboratory conditions.who bioassay was employed for detection of resistance of mosquitoes.

在实验室条件下，用残杀威以lc 50 的剂量处理iv龄幼虫，选育残杀威抗性品系。按照who生物测定法，测定抗残杀威品系对多种杀虫剂的敏感性。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。