ISO 7268 AMD 1-1984 管道元件公称压力的定义修改1
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来源:标准资料网
【英文标准名称】:Amendment1-1984
【原文标准名称】:管道元件公称压力的定义修改1
【标准号】:ISO7268AMD1-1984
【标准状态】:现行
【国别】:国际
【发布日期】:1984-07
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC5
【标准类型】:()
【标准水平】:()
【中文主题词】:管道工程系统;金属管;管用法兰;额定值;法兰;定义;管道配件;压力;管路
【英文主题词】:Definitions;Flanges;Pipefittings;Pipeworksystems;Pressure;Ratings
【摘要】:Theamendmentreferstoclause2'definition'andstates:deletethetextandsubstitute:nominalpressure(PN):Anumericaldesignationwhichisaconvenientroundnumberforreferencepurposes.Allequipentofthesamenominalsize(DN)designatedbythesamePNnumbershallhavecompatiblematingdimensions.Givesadditionallytwonotes.
【中国标准分类号】:W59
【国际标准分类号】:23_040_01
【页数】:1P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforOpenChannelFlowMeasurementofWaterIndirectlybyUsingWidthContractions
【原文标准名称】:使用收缩宽度法迂回测量明渠水流流量的标准试验方法
【标准号】:ASTMD5129-1995(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1995
【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】:D19.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:flood;openchannelflow;waterdischarge;Bridgestudies;Classification(standards);Contracted-openingmethod;Crosssectiondata/analysis--water;Dischargemeasurement;Ellipticaldikes;Fieldtesting--water;Floods;Indirectflow/dischargemeasureme
【摘要】:Thistestmethodisparticularlyusefultodeterminethedischargewhenitcannotbemeasureddirectlybysometypeofcurrentmetertoobtainvelocitiesandwithsoundingweightstodeterminethecrosssection.Evenunderthebestconditions,thepersonnelavailablecannotcoverallpointsofinterestduringamajorflood.Theengineerortechniciancannotalwaysobtainreliableresultsbydirectmethodsifthestageisrisingorfallingveryrapidly,ifflowingiceordebrisinterfereswithdepthorvelocitymeasurements,orifthecrosssectionofanalluvialchannelisscouringorfillingsignificantly.Undertheworstconditions,accessroadsareblocked,cablewaysandbridgesmaybewashedout,andknowledgeofthefloodfrequentlycomestoolate.Therefore,sometypeofindirectmeasurementisnecessary.Thecontracted-openingmethodiscommonlyusedonvalley-floorstreams.1.1Thistestmethodcoversthecomputationofdischarge(thevolumerateofflow)ofwaterinopenchannelsorstreamsusingbridgesthatcausewidthcontractionsasmeteringdevices.1.2Thistestmethodproducesthemaximumdischargeforoneflowevent,usuallyaspecificflood.Thecomputeddischargemaybeusedtohelpdefinethehigh-waterportionofastage-dischargerelation.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P12
【国际标准分类号】:
【页数】:42P.;A4
【正文语种】:英语
【英文标准名称】:Firehazardtesting.Toxicityoffireeffluent.Summaryandrelevanceoftestmethods
【原文标准名称】:火灾危险性检测.火灾气流毒性.试验方法关联性和小结
【标准号】:BSEN60695-7-2-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-11-30
【实施或试行日期】:2011-11-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Danger;Definitions;Electricalengineering;Electrotechnicalproducts;Firegas;Firehazardtest;Firerisks;Firesafety;Firetests;Hazards;Interpretations;Laboratorytesting;Smoke;Surfacespreadofflame;Testresults;Testing;Toxic;Toxicmaterials;Toxicity;Use
【摘要】:
【中国标准分类号】:C80
【国际标准分类号】:13_220_40;29_020
【页数】:52P;A4
【正文语种】:英语
