This paper introduces the sample methods, testing point selection, testing procedures and results processing of portable gas detector applied in the confined space in the petrochemical company.
介绍了便携式气体检测报警仪用于石油化工企业中有限空间的气体检测时的采样方法、检测点选择、检测工作程序以及检测结果的处理。
This paper reviews and analyzes food simulants applied on migration testing of chemical substances from packaging material and its selection methods.
本文综述了包装材料化学物迁移试验中应用的食品模拟物并对其选用作了分析。
This paper discusses mainly on the testing methods and the selection of the testing samples adopted in the software testing of Shanxi Province Communication Levying and Checking Management System 3.5.
主要讨论了对山西省交通征稽管理系统3.5版进行软件测试中使用的测试方法和测试用例的选取问题。
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