【英文标准名称】:Methodsformeasurementoffluidflowinclosedconduits,usingtracers-Measurementofwaterflow-Constantrateinjectionmethodusingnon-radioactivetracers
【原文标准名称】:密封管道中流体流量的示踪剂测量法.第1部分:水流量测量.第2节:非放射性示踪剂恒速喷射法
【标准号】:BS5857-1.2-1980
【标准状态】:现行
【国别】:英国
【发布日期】:1980-03-31
【实施或试行日期】:1980-03-31
【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】:水;比色法;稀释;恒定流速;试验条件;水道;封闭的;流动;流量测量;流量率;示踪法;误差;明渠流动;测量特征;荧光测定法;液体流动;电阻测量;浓度(化学);校正
【英文主题词】:Colorimetry;Conductimetricmethods;Erroranalysis;Flow;Flowmeasurement;Flowmeasurements;Fluorimetry;Pipelines;Testingconditions;Tracermethods;Water
【摘要】:Givestheprincipleofthemeasurementmethod,requiredtracerconditions,choiceofmeasuringlengthofconduit,measurementprocedure,errorsinflowratemeasurementandanalysismethodscurrentlyusedforwaterflowratemeasurement.
【中国标准分类号】:A42
【国际标准分类号】:17_120_10
【页数】:12P.;A4
【正文语种】:英语


【英文标准名称】:Fasteners-Acceptanceinspection
【原文标准名称】:紧固件.验收检验
【标准号】:BSENISO3269-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-08-15
【实施或试行日期】:2001-08-15
【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】:紧固件;验收检验;销钉;螺栓;垫圈;螺母;沉头铆钉;螺柱;采购;验收(鉴定);检验;螺钉
【英文主题词】:Acceptanceinspection;Acceptancetests;Bolts;Definition;Definitions;Fasteners;Nuts;Screws(bolts);Studs;Studs(fasteners);Washers
【摘要】:1ThisInternationalStandardspecifiestheacceptanceinspectionprocedurethatthepurchaseroffastenersmustfollowinordertodeterminewhetheralotoffastenerswillbeacceptedorrejectedincaseswherenoothersuchprocedurewasagreedwiththesupplieratthetimethefastenerswereordered.Additionalrequirementsforacceptancemaybeincludedinaspecificproductstandard(forexample,oneonprevailingtorque-typenuts).Thesameprocedureisalsotobeappliedincaseswhereconformancetospecificationisdisputed.2ThisInternationalStandardisapplicabletobolts,screws,studs,nuts,pins,washers,blindrivetsandotherrelatedfastenersnotintendedforhighvolumemachineassembly,special-purposeapplicationsorspeciallyengineeredapplicationsrequiringgreaterin-processcontrolandlottraceability(seethenoteintheintroduction).Theprocedurefortheseproductsshallbeagreeduponbythesupplierandthepurchaserpriortotheconfirmationoftheorder.3ThisInternationalStandardisapplicableonlytofullymanufacturedproducts;itneitherimpliesnorincludesanyparticularin-processcontrolprocedureorinspectionduringproduction.4Theproductionofaccessories,servicesandpartiallyfabricatedparts(forexample,washers,nuts,plating,heattreatmentandblanks)foruseinthemanufactureoffastenersmaybesubcontractedtoothersuppliersbythefastenersupplier.Nevertheless,thesupplierofthefinal,finishedproductshallbesolelyresponsibleforthefastener'squality.TherequirementsofthisInternationalStandardapplyonlytotheconditionoffastenersatthetimeofdelivery.Anyprocesscarriedoutafterreceipt(forexample,plating)willinvalidatetherequirementsofthisInternationalStandard.5AnnexB(informative)offersguidanceto,andanexplanationof,theprinciplesuponwhichthisInternationalStandardisbased.
【中国标准分类号】:J13
【国际标准分类号】:21_060_01
【页数】:30P.;A4
【正文语种】:英语