DB53/T 250.1-2008 红豆杉种植及采收技术规程 第l部分:育苗

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基本信息
标准名称:红豆杉种植及采收技术规程 第l部分:育苗
发布日期:2008-03-01
实施日期:2008-07-01
首发日期:
作废日期:
主管部门:云南省质量技术监督局
出版社:中国标准出版社
出版日期:2008-07-01
适用范围

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所属分类: 农业 林业 畜牧 养蜂 养蚕 农业 农业和林业 农业和林业综合
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Product Code:SAE J2016
Title:Chemical Stress Resistance of Polymers (Cancelled Feb 2008, Superseded by ISO 11403-3)
Issuing Committee:Plastics Committee
Scope:This SAE Recommended Practice provides a screening procedure for evaluating the susceptibility of plastics to environmental stress cracking by testing their resistance to pure solvents or their mixtures. This method can be used to evaluate effect of complex chemical mixtures with unknown or suspect components, which may be encountered in the polymer's environment. The list of chemicals in Appendix A is intended only to serve as a guide and does not exclude any chemical that may represent the environment the polymer is subjected to in a specific application. As specific environment and exposure conditions are application dependent and could vary significantly from one application to another, the user of the document is recommended to choose the appropriate solvents relevant to the actual application enviroment and is not under any obligation to test the effect of all the chemicals listed in Appendix A.
基本信息
标准名称:H型孔系组合夹具压板类件 叉形偏心轮
中标分类:
发布日期:1992-01-23
实施日期:1992-03-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
页数:1页
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所属分类: