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- A country must have the will to repel any invader. 一个国家得有决心击退任何入侵者。
- Keywords CD;Deet;Aedes albopictus;Toxicity;Repelling effect; 避蚊胺;白纹伊蚊;毒性;驱避效果;
- Conclusion The method of seed dipped with sample could be used to measure repellent effect on ants. 结论种子浸液实验方法可以用于测定化合物对蚂蚁的驱避效果。
- The new method is used to test the repellent effect of a few kinds of anti-mite fabric, and the results are compared with that by the conventional method. 新方法对每一个样品进行独立培养,每个培养皿都盖上皿盖,消除了试验样品与对照样品的相互干扰。
- Objective To evaluate the repellent effect of two traditional plant repellents Artemesia argi and Eucalypus robusta on mosquitoes in Yunnan. 目的了解和评价云南民间常用植物驱蚊剂蒿芝、按树枝叶对现场驱蚊虫效果。方法在人房以植物燃烧熏蚊后,采用诱蚊灯观察人房蚊虫种群密度。
- The oviposition repellent effect against Conopomorpha sinensis Bradley of alcohol extracts from forty-one plants was investigated. 用植物乙醇提取物溶液处理过荔枝鲜果后,对荔枝蒂蛀虫的产卵驱避率在75%25以上的有红花羊蹄甲、柠檬桉、木菠萝、四季橘和飞机草;
- Other alcohol extracts such as those of Annona squamosa L, Cananga odorata (Lamk.), Mitrephora thorelii Pierre also showed a good repellence effect with their IIPC below 0.3. 就各种植物乙醇提取物对小菜蛾各龄幼虫的拒食作用来说,番荔枝提取物的拒食作用比其它另外四种提取物的拒食率高。
- STUDY ON VOLATILE OIL OF ARTEMISIA MACILENTA AND ITS MOSQUITO REPELLING EFFECT 细杆沙蒿挥发油及其驱蚊作用研究
- North magnetic poles repel (each other). 磁北极与磁北极互相排斥。
- Opposite poles attract, like poles repel. 同性相斥,异性相吸。
- Like charges repel each other, but opposite charges attract. 同种电荷互相排斥,但异种电荷却互相吸引。
- Punishment had very little effect on him. 惩罚对他没有什么效果。
- It's certain that every effect must have a cause. 无疑,每个结果必定有其原因。
- Far from repelling his advances she rather encouraged him. 她不但不拒绝他的求爱,反而半推半就。
- That measure will be carried into effect very soon. 这项措施将在最近付诸实施。
- My plan has not been carried out with effect. 我的计划未被有效地执行。
- The room shows off her paintings to good effect. 这个房间把她绘画的优点充分显示出来。
- Her words had a soothing effect. 她的话起了安慰的作用。
- It's the music to heighten the dramatic effect. 那是用于提高戏剧效果的配乐。