摘要
在空气环境污染物的监测中 ,采样是整个监测过程的第一步 ,是监测工作的重要环节 .采样方法正确与否 ,关系到监测结果的可靠性和准确性 .为此 ,采样人员在采样前必须进行误差分析 ,定期校准采样器 ,对采样系统进行气密性检查 ,按时校准流量 ,掌握程序的设置方法 .最后 。
In the monitoring of the air environment,sampling is the first and essential step.Methods of sampling have a bearing on the reliability and accuracy of the result.Therefore,sampling workers must make error analysis before sampling,adjust the sampling equipment regularly,check the airtight of sampling system,adjust flow regularly and grasp the setting of programme.In the end,They must bring the samples back to the lab safely and promptly to analyze.
出处
《许昌师专学报》
2001年第2期68-70,共3页
Journal of Xuchang Teachers College(Social Science Edition)