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目的比较不同实验室间蚊香A、B的药效试验结果,以便各实验室根据比对结果,查找问题,提高检测能力。方法按照GB/T13917.4-2009《农药登记卫生用杀虫剂室内药效试验及评价第4部分:蚊香》方法检测蚊香对淡色库蚊或致倦库蚊的半数击倒时间(KT50值),用稳健统计法对结果进行分析评价。结果 18个实验室参与比对试验,样品A KT50值有17个实验室获得满意结果,占94.44%;1个实验室结果存在问题,占5.56%。样品B KT50值有16个实验室获得满意结果,占88.89%;1个实验室结果存在问题,占5.56%;1个实验室结果不满意,占5.56%。结论参比实验室的总体检测能力较高,部分实验室需查找出现问题或造成结果不满意的原因,改进并不断提高检测水平。
Objective To compare the efficacy test results of mosquito coils A and B in different laboratories so that each laboratory can find out the problems and improve the detection ability according to the comparison results. Methods According to GB / T13917.4-2009 “Indoor Pesticide Hygienic Pesticide Test and Evaluation Part 4: Mosquito-repellent incense” method was used to detect the half-knock-down time (KT50 value) of mosquito coils on Culex pipiens pallens or Culex pipiens pallens , With a robust statistical analysis of the results of evaluation. Results 18 laboratories participated in the comparison test, 17 laboratories in the sample A KT50 value obtained satisfactory results, accounting for 94.44%; there was a problem in one laboratory result, accounting for 5.56%. There were 16 laboratories with satisfactory results in sample B KT50, accounting for 88.89%. There was a problem with one laboratory result, accounting for 5.56%. One laboratory was unsatisfied, accounting for 5.56%. Conclusion The reference laboratories have a higher overall detection capability. Some laboratories need to find out the causes of the problems or dissatisfaction with the results, and improve and continuously improve the detection level.