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萝卜蚜

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Uses: A selective aphicide used in cereals, fruit, ornamentals, strawberries, potatoes, sugar beet, fodder beet, cotton, oilseed rape, tobacco, and glasshouse crops, effective against organophosphorus-resistant Myzus persicae . Phytotoxicity: Compatibility

抗蚜威对瓢虫、食蚜蝇、蚜茧蜂等蚜虫天敌没有不良影响,因保护了天敌,而可有效地延长对蚜虫的控制期,抗蚜威对蜜蜂安全,用于防治大白菜、萝卜等蔬菜制种田的蚜虫时,可提高蜜蜂授粉率,增加产量。

If green peach aphids were grafted on the green cabbage,they developed and reproduced most rapidly.(2) If turnip aphid and green peach aphids were grafted on the tomato,they could not survive.

经黄色诱蚜,探求桃蚜和萝卜蚜的迁飞高峰规律看出,两者在一年中的迁飞高峰分别为5月中旬和11月中旬,同时曾采用多种颜色对两种蚜虫趋性的测定,其中以乳鸭黄诱得的蚜虫数最多。

It is seen from grafting Aphid test that green peach aphid can feed on green cabbage,spinach and lettuce,and reproduce on them,furthermore,it shows the different viability between on the tested hosts.

通过接种试验看出,桃蚜接种在青菜、菠菜、莴苣等蔬菜上均能取食繁殖,而且相互间可以接种,桃蚜接种在青菜上繁殖生长最快,萝卜蚜和桃蚜接种在番茄上则不能生活,青菜上的萝卜蚜和桃蚜接种在烟草上,其结果萝卜蚜不能生活,而桃蚜经过短期适应取食后,仍可生长、繁殖,为害烟草。

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Objective: To study the effect of polycythemia on blood oxygen saturation.

裴蕾目的:观察RBC剧增而引起的高粘血症对血氧饱和度的影响。

Based on SIMPLER algorithm in the curvilinear body-fitted coordinates, the calculations were performed for Pr=0.7, Re=10~1000 on non-orthogonal non-staggered grids which are generated by elliptic equation systems.

采用曲线坐标系下压力与速度耦合的SIMPLER算法,数值研究了周期性渐扩渐缩波纹通道内脉动流动与换热情况,流动Re数的范围为10~1000,Pr数为0.7。

Such a traditional division of the zone of aeration is useful for illustrative purposes.

为了说明的目的,包气带的传统划分是有用的。