ISO 5145-2004 气体和混合气体气瓶瓶阀出气口.选择和尺寸

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Product Code:SAE J358
Title:Nondestructive Tests
Issuing Committee:Metals Technical Executive Steering Committee
Scope:Nondestructive tests are those tests which detect factors related to the serviceability or quality of a part or material without limiting its usefulness. Material defects such as surface cracks, laps, pits, internal inclusions, bursts, shrink, seam, hot tears, and composition analysis can be detected. Sometimes their dimensions and exact location can be determined. Such tests can usually be made rapidly. Processing results such as hardness, case depth, wall thickness, ductility, decarburization, cracks, apparent tensile strength, grain size, and lack of weld penetration or fusion may be detectable and measurable. Service results such as corrosion and fatigue cracking may be detected and measured by nondestructive test methods. In many cases, imperfections can be automatically detected so that parts or materials can be classified.

标准名称：	电力市场运营系统功能规范和技术要求
英文名称：	Function Criterion and Technology Requirement of Electricity Market operation system
中标分类：	电工 >> 电工综合 >> 电子计算机应用
ICS分类：	能源和热传导工程 >> 电站综合
发布日期：	2006-09-14
实施日期：	2007-03-01
首发日期：
作废日期：
归口单位：	电力行业电网运行与控制标准化技术委员会
起草单位：	国家电力调度通信中心
出版日期：
页数：	59页

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