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Meanwhile,the oviposition period and the female longevity were shortened by two days,compared with that of the control,and the male longevity were not affected.

同时,单管配对后成虫产卵率由对照组的70%下降到40%;小菜蛾雌成虫的产卵历期和寿命均缩短了2 d,而对其雄成虫的寿命影响不大。

The extracts from 14 species of unacceptable plants by the DBM were used in the experiment of controlling the oviposition of the diamondback moth female.

绝大部分供试植物的提取物可减少小菜蛾的落卵量40%以上,作用最强的是尾叶桉的抽提物,喷施24h后卵降低率达65.52%。

Based on the data a quadratic regression parasitism model of T. pretiosum to the eggs of DBM was constructed.

在此基础上建立了短管赤眼蜂对小菜蛾卵寄生率的二次回归模型。

The parasitoid is widely distributed in the north of China.

该蜂在我国北方广泛分布,田间寄生率通常在40~70%之间,最高时可达90%以上,在小菜蛾综合治理中具有很大的应用前景。

The larval parasitism of DBM by this parasitoid in the field usually ranges from 40 % to 70 %, with the highest parasitism rates of more than 90%, indicating high practical potential of this parasitoid to be integrated in the management of DBM....

作者在室内对采自云南的半闭弯尾姬蜂的生物学、生态学特性进行了系统、定量的研究,旨在为定量评估该蜂的控害潜能及保护利用、研究大田小菜蛾幼虫寄生蜂群落结构变化机制提供科学依据。

However, no significant differences in the declines of parasitoid's adult emergence were found when the host larvae were treated with methamidophos in different development stages of parasitoid.

结果表明,在绒茧蜂处于不同发育阶段时,饲喂小菜蛾幼虫甲胺磷对菜蛾绒茧蜂结茧率的影响较大,但对羽化率的影响不大。

I hate to disagree with you,but I think public speaking is a piece of cake.

我不想反对你的意见,但是我认为公开发表演讲只是小菜一碟。

It didn't seem like a lot, for this guy who'd seen so much, and who -- to whom the killing of a goat must have seemed such a quotidian experience, still found it in himself to try to protect me.

这些都是在我杀这只羊的时候他做的。对于这样一个见多识广的人来说,这是小菜一碟,杀一只羊简直是家常便饭,但是我发现他内心上想保护我。

Voyager's pictures were just an appetizer, the upcoming Cassini mission should be a Saturnian feast.

旅行者号传回的照片只是道"开胃小菜",即将成行的卡西尼任务预计将会是一场土星"盛宴"。

Ideal companion: fish entrees and shell-fish or like aperitif.

理想的搭配食品:鱼类小菜,贝类或就开胃酒之类的食品。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。