Wu N, Xiao Y, Chen D Z, Huang F M
Department of Medical Entomology, Guangxi Institute of Parasitic Diseases Control (GIPDC), Guangxi, P.R. China.
J Am Mosq Control Assoc. 1991 Jun;7(2):294-8.
The half-life of an insecticide on a treated object can be used as a crucial test for evaluating the residual effect. On cotton and nylon bednets, the half-life of deltamethrin was 65.6 and 55.4 days, whereas the half-life of permethrin on cotton and nylon bednets was 35.0 and 27.4 days. A deltamethrin-impregnated bednet (10 mg/m2) is effective for 6-7 months and costs less than DDT residual spraying (2g/m2) on the inner walls of rooms.
杀虫剂在处理过的物体上的半衰期可作为评估残留效果的关键测试指标。在棉质和尼龙蚊帐上，溴氰菊酯的半衰期分别为65.6天和55.4天，而氯菊酯在棉质和尼龙蚊帐上的半衰期分别为35.0天和27.4天。一张浸渍了溴氰菊酯（10毫克/平方米）的蚊帐可有效使用6至7个月，且成本低于在室内墙壁上进行滴滴涕残留喷洒（2克/平方米）的成本。
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