标准资料网-标准资料免费资源平台

Product Code:SAE J2521
Title:Disc and Drum Brake Dynamometer Squeal Noise Matrix
Issuing Committee:Brake Nvh Standards Committee
Scope: This procedure is applicable to high frequency squeal type noise occurrences for passenger car and light truck type vehicles that are used under conventional operating conditions. The procedure does not encompass the consequences associate with changes in environment relate to temperature and humidity variations.PurposeThis recommended test practice is intended to establish a common universally recognized method for performing a series of screening test sequences that identify the propensity of a brake assembly to generate squeal noise under a variety of test conditions.
Rationale: This procedure is applicable to high frequency squeal type noise occurrences for passenger car and light truck type vehicles that are used under conventional operating conditions. The procedure does not encompass the consequences associate with changes in environment relate to temperature and humidity variations.PurposeThis recommended test practice is intended to establish a common universally recognized method for performing a series of screening test sequences that identify the propensity of a brake assembly to generate squeal noise under a variety of test conditions.

标准名称：	紧压茶 花砖茶
英文名称：	Brick tea-Hua zhuan tea
中标分类：	食品 >> 饮料 >> 茶叶制品
ICS分类：	食品技术 >> 茶、咖啡、可可 >> 茶
替代情况：	GB/T 9833.1-1988
发布部门：	中华人民共和国国家质量监督检验检疫总局
发布日期：	2002-03-01
实施日期：	2002-06-01
首发日期：	1988-09-20
作废日期：	1900-01-01
主管部门：	中华全国供销合作总社
提出单位：	中华全国供销合作总社
归口单位：	中华全国供销合作总社
起草单位：	中国茶叶流通协会、中华全国供销合作总社杭州茶叶研究院、湖南省白沙溪茶厂
起草人：	吴锡端、骆少君、翁昆、吴建利、彭雄根
出版社：	中国标准出版社
出版日期：	2002-06-01
页数：	6页

本标准规定了花砖茶的要求、试验方法、检验规则、标志、标签、包装、运输和贮存。本标准适用于以黑毛茶为主要原料，经过毛茶筛分、半成品拼配、蒸汽沤堆、压制定型、干燥、成品包装等工艺过程制成的花砖茶。

没有内容

没有内容

没有内容