标准名称：	基础水文数据库表结构及标识符标准 SL324-2005
英文名称：	Standard for structure and identifier in fundamental hydrological database
中标分类：	电子元器件与信息技术 >> 信息处理技术 >> 编码、字符集、字符识别
ICS分类：	信息技术、办公机械设备 >> 字符集和信息编码
发布日期：	2005-05-30
实施日期：	2005-09-01
首发日期：	1900-01-01
作废日期：	1900-01-01
出版日期：	1900-01-01
页数：	124页

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Product Code:SAE ARP4252
Title:Instrumental Methods of Determining Surface Cleanliness (NONCURRENT Aug 2006)
Issuing Committee:Ams B Finishes Processes And Fluids Committee
Scope:This Aerospace Recommended Practice is intended as a guide toward standard practices for the determination of surface cleanliness that are applicable to field operation. Some of these methods can also be used to determine quality assurance that a surface has been properly prepared and maintained.The instrumental methods are: Wettabaility, Surface Potential Difference (SPD), Ellipsometry, and Optically Stimulated Electron Emission (OSEE). Each instrument is described with respect to measurement techniques, limitations, and advantages and types of available instruments. Elementary theoretical prinicples and examples of the use of each instrument are also given.