2016.设计和施工说明SpecificationofDesignandConstructionEW05-215801S-2-01□YesDNoURS024洁净室排风系统应有设有防倒灌装置Thecleanroomexhaustsystemshouldbeequippedwithananti-backfilldevice.设计和施工说明SpecificationofDesignandConstructionEW05-215801S-2-01□YesDNoURS025净化空调系统风道安装之后,保温之前应进行漏风...
A pressure differential should be maintained between adjacent areas, with the cleaner area having the higher pressure. This will prevent infiltration of external contamination through leaks and during the opening and closing of personnel doors. A minimum overpressure between clean areas of 5 Pa (.02...
A great number of private initiatives have emerged since the late 1990s, with a noticeable acceleration in the past decade, to meet the environmental challenges of shipping and fill the gap created by the lack of regulation. Named ‘private standards’ by Scott et al., these initiatives can be...