SAE J748 Hydraulic Directional Control Valves, 3000 psi Maximum

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Product Code:SAE J748
Title:Hydraulic Directional Control Valves, 3000 psi Maximum
Issuing Committee:Cttc C1, Hydraulic Systems
Scope:This SAE Recommended Practice has been set up by Subcommittee 4 of the Off-Road Machinery Technical Committee and is primarily for directional control valves on construction and industrial machinery equipment as referenced in SAE J1116. The purpose is to establish port area to flow relationship and match valve spool eye ends in relation to rated capacity. Port connections are optional for either the 4-bolt split flange connection or the internal straight thread 'O' ring connection.
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【英文标准名称】:Fibreopticactivecomponentsanddevices-Reliabilitystandards-Part2:Lasermoduledegradation
【原文标准名称】:纤维光学有源元件和装置.可靠性标准.第2部分:激光模块的衰变
【标准号】:IEC/TR62572-2-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-09
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC86C
【标准类型】:()
【标准水平】:()
【中文主题词】:消费者与供货者的关系;缺陷与故障;缺陷;定义;电气工程;电子工程;电子设备及元件;误差检测;故障;纤维光学;激光二极管;激光模块;寿命;机械退化;模数;光电子学;质量保证;质量要求;可靠性;可靠性保证;规范(验收);电信;测试
【英文主题词】:Consumer-supplierrelations;Defects;Definition;Definitions;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Errordetection;Failure;Fibreoptics;Laserdiodes;Lasermodules;Life(durability);Mechanicaldegradations;Modules;Optoelectronics;Qualityassurance;Qualityrequirements;Reliability;Reliabilityassurance;Specification(approval);Telecommunications;Testing
【摘要】:Thistechnicalreportdealswithreliabilityassessmentoflasermodulesusedfortelecommunicationguidanceontesting,useoffailurecriteriaandreliabilitypredictionsisprovided.Thistechnicalreportprovidesguidanceon:-thetestingthatasystemsuppliershouldensureisinaplacepriortoprocurementofalasermodulefromalasermodulemanufacturer;-arangeofactivitiesexpectedofasystemsuppliertoverifyalasermodulemanufacturer'sreliabilityclaims.
【中国标准分类号】:L50
【国际标准分类号】:31_260;33_180
【页数】:31P.;A4
【正文语种】:英语


【英文标准名称】:Textiles-DeterminationofpHofaqueousextract
【原文标准名称】:纺织材料.水萃取物pH值的测定
【标准号】:BSEN1413-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1998-08-15
【实施或试行日期】:1998-08-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:pH值测定;纺织材料;萃取分析法;试样制备;水解萃取法;试样;纺织试验;再现性;化学分析和试验
【英文主题词】:
【摘要】:ThisstandardspecifiesamethodfordeterminingthepHoftheaqueousextractoftextiles.Themethodisapplicabletotextilesinanyform.
【中国标准分类号】:W04
【国际标准分类号】:59_080_01
【页数】:8P;A4
【正文语种】:英语