BS EN 61300-2-15-2008 光学纤维连接器和无源元件.基础试验和测量规程.第2-15部分:试验.耦合机械装置的耐扭强度
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【英文标准名称】:Fibreopticinterconnectingdevicesandpassivecomponents-Basictestandmeasurementprocedures-Part2-15:Tests-Torquestrengthofcouplingmechanism
【原文标准名称】:光学纤维连接器和无源元件.基础试验和测量规程.第2-15部分:试验.耦合机械装置的耐扭强度
【标准号】:BSEN61300-2-15-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-10-31
【实施或试行日期】:2008-10-31
【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】:卡口连接;卡口连接件;元部件;组件;连接工艺;耦合;电插头;电气工程;紧固件;纤维光学;光纤;玻璃纤维电缆;玻璃纤维光缆;插销;测量技术;光波导;消极的;被动的;无源的;螺栓联结器;螺旋联轴节;材料强度;试验;测试;扭矩;扭矩校验;抗扭强度
【英文主题词】:Bayonetcouplings;Components;Connectiontechnology;Coupling;Electricplugs;Electricalengineering;Fasteners;Fibreoptics;Glassfibrecables;Latches;Measuringtechniques;Opticalwaveguides;Passive;Screwcouplings;Strengthofmaterials;Testing;Torque;Torquechecks;Torsionalstrength
【摘要】:ThispartofIEC61300appliesanoverloadtorquetotwist-typecouplingmechanisms.Itisapplicabletothreadedorbayonet-twisttypecouplingmechanisms.Itcanbeusedtoensurethatthecouplingmechanismofaconnectorsetorconnector-devicecombinationwillwithstandthetorsionalloadslikelytobeappliedduringnormalservice.
【中国标准分类号】:M33
【国际标准分类号】:33_180_20
【页数】:12P.;A4
【正文语种】:英语
【英文标准名称】:StandardGuideforRapidScreeningofVegetationforRadioactiveStrontiumAerialDeposition
【原文标准名称】:放射锶空中沉积用植物的快速筛检用标准指南
【标准号】:ASTMD7362-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D19.04
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:沉积;计量学;辐射测量;放射性;屏蔽;锶;植物
【英文主题词】:emergencyresponse;LiquidScintillationCounting;SolidPhaseExtraction;strontium-89;strontium-90;vegetation
【摘要】:Strontium-90isamajorcomponentofnuclearwasteandisalsoapotentialradioisotopeforuseasaweaponofmassdestructioninaradiologicaldispersaldevice.Itisabeta-emittingradioisotopewithmoderatehalf-life(~30years).Strontium-89isalsoabetaemittingradionuclide,butwithahalf-lifeofonly~50daysitisnotusuallypresentinsignificantquantities.Ifingestedtheradiostrontiummaydepositintheboneofanindividualandthuscancontributeasignificantradiologicaldosetoanaffectedperson.Followinganexplosioninwhichradioactivematerialwaspresent,thepotentialexistsforthematerialtobecomeairborne.Itwillquicklyattachtoatmosphericparticlesandbedepositedonsurfacesastheplumepasses.Thisguideprovidesarapidprocedurebywhichvegetationcanbescreenedtodetermineifradiostrontiumispresentandtoprovideaconservativeestimateofitsdepositiononvegetation.Thisguideisintendedtobeusedinafieldportablelab,orifneeded,canbeperformedcompletelyinthefield;thereforenohazardouschemicalsarerequiredtocompletetheanalysis.However,anoptionfortheuseofacidincertainstepsisdocumentedinthisguide.Thisguideisnotintendedtobeusedforscreeningfoodproductsoranimalfeedfollowinganaccidentorincident.1.1Thisguideprovidesarapidprocedurebywhichvegetationsamplesmaybescreenedforsurfacecontaminationofradioactivestrontium(89Srand90Sr,collectivelyreferredtoasradiostrontium)followinganairborneradioactivedispersalevent.Itprovidesaconservativeestimateofradiostrontiumdepositionthatcanbeusedbydecisionmakersforimmediateactionspriortoobtainingdefinitiveresultsfromafixedlaboratoryasset.1.2Insolubleformsofradiostrontium,suchasthestrontium(90Sr)titanate(SrTiO3)usedinradio-isotopethermal-electricgenerators(RTGs),willnotbemeasuredbythismethod.1.3Non-SIunitsareusedinthecalculationsofthisguideforeaseofuseduringtheemergencyphaseofanevent.Theinstrumentationusedtypicallyprovidescountratesincountsperminute(cpm)ratherthanpersecond(s-1,theSIunit),thusactivityisexpressedindpm(decaysperminute)ratherthanBq.Additionally,USEPAprotectiveguidelinesforsurfacecontaminationareexpressedindpm/100cm2.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F74
【国际标准分类号】:17_240
【页数】:4P.;A4
【正文语种】:
【英文标准名称】:Loadrestrainingonroadvehicles-Safety-Part1:calculationofsecuringforces.
【原文标准名称】:道路车辆负载限制.安全.第1部分:安全力的计算.
【标准号】:NFG36-034-1-2011
【标准状态】:现行
【国别】:法国
【发布日期】:2011-01-01
【实施或试行日期】:2011-01-01
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Anchorpoints;Breakingstrength;Cargo;Commercialvehicles;Containers;Definitions;Equipment;Equipmentforsecuringtheloads;Force;Freight;Holdingdevices;Lashingforce;Mathematicalcalculations;Methodsofcalculation;Motorvehicles;Railtransport;Rails;Roadvehicles;Roads;Safety;Safetyofloads;Safetyrequirements;Seatransport;Shippinggoods;Ships;Stability;Stabilization;Strengthofmaterials;Tensilestrength;Trailers;Transport;Vehicles
【摘要】:
【中国标准分类号】:A87
【国际标准分类号】:55_180_99
【页数】:48P;A4
【正文语种】:其他
