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。
The back testing filtration methods can improve the effectiveness of the fund selection strategy.
回溯检验能有效增加挑选出的最好基金分组的净值收益率，提高分组策略效果。
The selection of the testing parameters and the relations among them are analyzed and discussed. The methods of recognition, location and evaluation of the defect signal are proposed.
文中对检测参数的选取以及参数间的关系进行了分析和讨论，提出了对缺陷信号识别、缺陷定位和半定量计算的方法。
The selection of the testing parameters and the relations among them are analyzed and discussed. The methods of recognition, location and evaluation of the defect signal are proposed.
文中对检测参数的选取以及参数间的关系进行了分析和讨论，提出了对缺陷信号识别、缺陷定位和半定量计算的方法。
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