查询词典 separata

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。

The preliminary bioassay showed that some title compounds exhibit good or moderate larvicidal activity to the Mythimna separata and induce a premature, abnormal, and lethal larval molt.

初步生测结果表明R^2为对氯取代的目标化合物对3龄粘虫表现出较好或中等的杀幼虫活性。

The Oriental armyworm, Mythimna separata, is an important insect pest of maize.

粘虫Mythimna separata是我国玉米上的重要害虫。

In wind tunnel for insect flight experiments, the flight behavior of the moths of Mythimna separata was observed systematically under wind flow of different speeds.

利用自制的昆虫飞翔实验风洞，系统观测了在风洞条件下粘虫在不同流速实验气流中的起飞行为与飞翔行为。

The Chinese army worm Pseudaletia separata (Walker is a widely distributed seriouspest of field crops in China.

粘虫Ps洲而let汤，eP，、J是粮食作物的毁灭性害虫，也是全国农业发展栖要所规定要消灭的八大害虫之一。

The activities of stomach and contact poison of the fermentation extracts of 39 strains were tested against the 3th instar larvae ofMythimna separata at the concentration of 500 u g/ml.

以粘虫为供试昆虫，在500μg／ml的浓度下测定了39株内生真菌发酵产物粗提物的胃毒和触杀活性。

Foliage from winter wheat fumigated with SO2 were fed to the larvae of the army worm, Mythimna separata in order to investigate the effect of SO2 on this species of insect.

用低浓度SO_2熏蒸过的小麦饲养幼虫，研究SO_2污染对粘虫生长的影响。

Oriental armyworm Mythimna separata is one of migratory pests which caused heavy economic losses on crops in China. During the 1950-1970, significant correlation was existed between armyworm outbreak and nectar source plants.

粘虫Mythimna separata是一种迁飞性害虫，曾经造成我国主要农作物产量的重大损失，20世纪50-70年代粘虫大爆发与蜜源植物种植面积的激增表现了显著的相关性。

Total RNA was isolated from the forth instar larvae of the armyworm,Mythimna separata Walker.An α and a β tubulin cDNA sequences were cloned by RT-PCR and rapid amplification of cDNA ends.

以黏虫4龄幼虫为材料提取总RNA，利用RT-PCR和cDNA末端快速扩增技术，分别扩增得到该虫的α和β微管蛋白基因的cDNA序列各1条。

The fumigation effect of the essential oil with and without HCN of bitter almond on insects was studied. The results show that the two kinds of bitter almond oil have strong fumigation activity against Musca domestica vicina, Aedes albopictus and Mythirmna separata. It is have the characteristic of low effective concentration and quick response.

通过含有HCN和去除HCN的苦杏仁精油对四种试虫的熏蒸杀虫活性，表明含有HCN和除去HCN两种苦杏仁精油对家蝇、白纹伊蚊以及粘虫均具有很强的熏蒸杀虫活性，具有作用浓度低、作用时间快的特点。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。