EN 15923-2011 肥料.朱莉碱性柠檬酸铵可溶性磷的抽取.德文版本EN15923-2011

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Product Code:SAE J2747
Title:Hydraulic Pump Airborne Noise Bench Test
Issuing Committee:Power Steering Pump Noise Committee
Scope:Communicate the process of accurately measuring sound power levels of positive displacement hydraulic pumps commonly used in ground vehicle steering systems. This recommended practice defines the pump mounting (pulley, belt tension, isolation), operating conditions, (fluids, speed, temperature, pressure), room accoustics, instrumentation, noise measurement technique and data acquisition setup to be used. Included are recommendations for test sample size, and format for data presentation/reporting.【英文标准名称】:Isolatingtransformersandsafetyisolatingtransformers.Requirements.
【原文标准名称】:隔离变压器和安全隔离变压器的要求
【标准号】:NFC52-742-1997
【标准状态】:作废
【国别】:法国
【发布日期】:1997-07-01
【实施或试行日期】:1997-07-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;玩具变压器;剔头刀插座;安全要求;电气工程;规范(验收);变压器;电铃变压器;定义;灯具;隔离变压器;安全隔离变压器
【英文主题词】:
【摘要】:
【中国标准分类号】:K41
【国际标准分类号】:29_180
【页数】:123P;A4
【正文语种】:其他