In the U.S., health care workers, and other employees that are required to wear respirators must do a fit test before wearing the respirator for the first time. 在美国,医疗机构内的医护人员及在工作场所中使用呼吸器的其他雇员,在第一次佩戴呼吸器时,都必须进行适合性检验。
The test and assessment for the homogeneity of a certified reference material are introduced. 介绍标准物质的均匀性检验及其评价方法。
In the U.S., health care workers, and other employees that are required to wear respirators must do a fit test before wearing the respirator for the first time. 在美国,医疗机构内的医护人员及在工作场所中使用呼吸器的其他雇员,在第一次佩戴呼吸器时,都必须进行适合性检验。
To test cure of coating, the solvent resistance test shall be used. 为测试涂层的硬化程度,需使用耐溶剂性测试。
This paper discusses an EMC test of onboard systems of rail vehicles organized by RATP. 论述了由巴黎交通总公司组织的轨道车辆车载设备电磁兼容性测试。