SAE J178 Music Steel Spring Wire and Springs (Cancelled Jun 1998)
作者:标准资料网 时间:2024-05-18 20:34:31 浏览:9426
来源:标准资料网
Product Code:SAE J178
Title:Music Steel Spring Wire and Springs (Cancelled Jun 1998)
Issuing Committee:Metals Technical Executive Steering Committee
Scope:This SAE Recommended Practice covers a high quality, hard-drawn, steel spring wire, uniform in mechanical properties, intended for the manufacturer of spring and wire forms subjected to high stresses or requiring good fatigue properties. It covers processing requirements of springs fabricated from this wire.
【英文标准名称】:StandardTestMethodforAnalysisofUraniumandThoriuminSoilsbyEnergyDispersiveX-RayFluorescenceSpectroscopy
【原文标准名称】:用能量色散X射线荧光光谱法分析土壤中铀和钍的标准试验方法
【标准号】:ASTMC1255-1993(2005)
【标准状态】:现行
【国别】:
【发布日期】:1993
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C26.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:能量色散X射线;荧光射线;荧光射分光光度法;钍;钍含量;铀含量;波长色散X射线;试验;X射线;X射线;光谱测定法;土壤;铀
【英文主题词】:Energydispersivex-rayfluorescence(EDXRF);Soil;Thoriumcontent;Uraniumcontent
【摘要】:Thistestmethodwasdevelopedandtheinstrumentcalibratedusinggroundsoilsfromthesiteofanuclearmaterialsplant.Thistestmethodcanbeusedtomeasuretheextentofcontaminationfromuraniumandthoriumingroundsoils.Sincethedetectionlimitofthistechnique(nominally20x03BC;gpergram)approachestypicalbackgroundlevelsforthesecontaminants,themethodcanbeusedasaquickcharacterizationofanon-siteareatoindicatedpointsofcontamination.Thenaftercleanup,EDXRFmaybeusedtoverifytheeliminationofcontaminationorotheranalysismethods(suchascolorimetry,fluoremetry,phosphorescence,etc.)canbeusedifitisnecessarytotestforcleanupdowntoarequiredbackgroundlevel.Thistestmethodcanalsobeusedforthesegregationofsoillotsbyestablishedcontaminationlevelsduringon-siteconstructionandexcavation.1.1ThistestmethodcoverstheenergydispersiveX-rayfluorescence(EDXRF)spectrochemicalanalysisoftracelevelsofuraniumandthoriuminsoils.Anysamplematrixthatdiffersfromthegeneralgroundsoilcompositionusedforcalibration(thatis,fertilizerorasampleofmostlyrock)wouldhavetobecalibratedseparatelytodeterminetheeffectofthedifferentmatrixcomposition.1.2Theanalysisisperformedafteraninitialdryingandgrindingofthesample,andtheresultsarereportedonadrybasis.Thesamplepreparationtechniqueusedincorporatesintothesampleanyrocksandorganicmaterialpresentinthesoil.Thistestmethodofsamplepreparationdiffersfromothertechniquesthatinvolvetumblingandsievingthesample.1.3Linearcalibrationisperformedoveraconcentrationrangefrom20to1000[mu]gpergramforuraniumandthorium.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsinparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B10
【国际标准分类号】:27_120_30
【页数】:7P.;A4
【正文语种】:
【英文标准名称】:Rotatingelectricalmachines-Part3:Specificrequirementsforsynchronousgeneratorsdrivenbysteamturbinesorcombustiongasturbines(IEC60034-3:2007);GermanversionEN60034-3:2008
【原文标准名称】:旋转电机第3部分:蒸汽涡轮或燃气涡轮驱动的同步发电机用专门要求
【标准号】:DINEN60034-3-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-03
【实施或试行日期】:2009-03-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:制冷的;风冷系统;应用;循环;制冷电路;冷却剂;冷却;冷却系统;定义;尺寸选定;电机;电气工程;燃气轮机;发电机;指导手册;氢;氢冷却;液冷系统;运动;操作;过载保护装置;动力传动系统;性能;额定值;旋转电机;旋转机械;转子(电机);短路性能;规范(验收);汽轮机;蒸汽轮机;同步电机;三相;涡轮发电机;使用;水冷式
【英文主题词】:Air-cooled;Air-cooledsystems;Applications;Circulation;Coolantcircuit;Coolants;Cooling;Coolingsystems;Definition;Definitions;Dimensioning;Electricgenerators;Electricmachines;Electricalengineering;Gasturbines;Generators;Guidebooks;Hydrogen;Hydrogencooling;Liquid-cooledsystems;Motion;Operation;Overloadprotection;Powertransmissionsystems;Properties;Ratings;Rotatingelectricmachines;Rotatingelectricalmachinery;Rotatingmachines;Rotors(electric);Short-circuitperformance;Specification(approval);Steamturbines;Synchronousmachines;Three-phase;Turbogenerators;Use;Water-cooled
【摘要】:
【中国标准分类号】:K21
【国际标准分类号】:29_160_20
【页数】:29P.;A4
【正文语种】:德语
