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作者描述了一种控制释放杀虫剂的配方,采用生物降解性材料以延长杀虫剂的有效期,并可减少污染。用不同的载体材料,如软木粉末,树脂粉、石膏粉和阿拉伯胶进行各种比例的混合,选择最佳配方,以保证合成小块的稳定性。小药块系由一定量材料加水和杀虫剂倍硫磷混合制作,直径5cm,厚1.5cm。每块含1g倍硫磷,置室温干燥。在实验室、模拟现场及现场评价药块的效能,用高压液相色普检测杀虫剂的每日释放量。在试验与对照的水中加入致乏库蚊,埃及伊蚊和斯氏按蚊幼虫,进行生物测定。实验室内,将药块
The authors describe a formulation to control the release of pesticides, the use of biodegradable materials to prolong the life of pesticides and reduce pollution. Different carrier materials, such as cork powder, resin powder, gypsum powder and gum arabic were mixed in various proportions to choose the best formula to ensure the stability of the synthesized pellets. Small pieces of medicine by a certain amount of water and insecticides fenthion mixture, diameter 5cm, thickness 1.5cm. Each containing 1 g of fenthion, set at room temperature and dried. In the laboratory, simulate the site and field evaluation of drug block efficiency, high-pressure liquid chromatography general detection of pesticide daily release. Culex pipiens pallens, Aedes aegypti and Anopheles stephensi larvae were added to test and control water for bioassay. Laboratory, the medicine block