ASTM B643-2000(2005) 铜铍合金无缝管标准规范
作者:标准资料网 时间:2024-05-15 17:05:47 浏览:8526
来源:标准资料网
【英文标准名称】:StandardSpecificationforCopper-BerylliumAlloySeamlessTube
【原文标准名称】:铜铍合金无缝管标准规范
【标准号】:ASTMB643-2000(2005)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:B05.04
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:berylliumcoppertube;copperUNSnumberC
【摘要】:1.1Thisspecificationestablishesrequirementsforcopper-berylliumalloyseamlesstubeinstraightlengths.CopperAlloyUNSC17200willbethealloyfurnishedwheneverSpecificationB643isspecified.1.2Units8212;ThevaluesgiveninparenthesesaremathematicalconversionstoSIunits,whichareprovidedforinformationonlyandarenotconsideredstandard.1.3Thefollowingsafetyhazardcaveatpertainsonlytothetestmethodsdescribedinthisspecification.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H62
【国际标准分类号】:77_150_30
【页数】:5P.;A4
【正文语种】:
【英文标准名称】:CorrigendumtoDIN626-2:1999-07
【原文标准名称】:DIN626-2-1999的勘误1
【标准号】:DIN626-2Berichtigung1-2000
【标准状态】:现行
【国别】:德国
【发布日期】:2000-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:止推轴承;外壳;重量;滚动轴承;球形;有槽球轴承;箱式单元;法兰轴承;正方形;内圈;外圈;椭圆形;铸件;滚珠轴承;轴承;符号;尺寸;外表面;公差(测量);锁紧轴承;荷载能力;加宽;设计
【英文主题词】:
【摘要】:Thedocumentspecifiesboundaryandconnectingdimensions,weightsandsymbolsforinsertbearinghousings.#,,#
【中国标准分类号】:J11
【国际标准分类号】:21_100_20
【页数】:1P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforDeterminingtheVirus-EliminatingEffectivenessofLiquidHygienicHandwashandHandrubAgentsUsingtheFingerpadsofAdultVolunteers
【原文标准名称】:利用成人自愿者试验液体卫生洗手剂的去除病毒有效性的标准试验方法
【标准号】:ASTME1838-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:E35.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:cellculture;cytotoxicity;eluent;fingerpads;germicidalsoap;hygienichandwashing;infectioncontrol;influenzavirus;invivotesting;organicload;poliovirus;rhinovirus;rotavirus;skinflora;standardhardwater;virus;viruselution
【摘要】:Thisinvivoprocedureisdesignedtotesttheabilityofhygienichandwashagentstoreducelevelsofselectedinfectiousvirusesfromexperimentallycontaminatedfingerpadsofadultvolunteers.Sincethetwothumbpadsandalleightfingerpadscanbeusedinanygiventest,itallowsfortheincorporationofinputviruscontrol(two),amountofvirusremainingaftertheinoculumhasbeenallowedtodry(two),viruseliminatedaftertreatmentwithacontrolorreferencesolution(two),anduptofourreplicatestoassessthevirus-eliminatingefficiencyoftheproductundertest.Nomorethan100x03BC;Lofthevirussuspensionarerequiredtocompleteonetest.Theresultsoftestingwiththistestmethodmayformthebasisforconfirmatorytestsusingasuitablewhole-handtestprotocol.Thistestmethodisdesignedtobeperformedbyatrainedindividual,whoisresponsibleforchoosingtheappropriatehostsystemforthetestvirusandapplyingthetechniquesnecessaryforpropagationandmaintenanceofhostandtestvirus.Forareferencetext,refertoSchmidtandEmmons(7).Whereas,thistestmethodrelatestotestingwithvirusesofhumanorigin,itcanbereadilyadaptedtoworkwithbacteria,fungi,protozoaandbacteriophages.Infectiousmicroorganismsleftonhandsafterwashingcanbereducedfurtherbydryingthewashedhandswithpaper,cloth,orwarmair(8).Astepforthedryingoffingerpadsafterexposuretothecontrolortestsolution,therefore,hasnotbeenincludedtoavoidvirusremovalbythedryingprocessitself.Thistestmethodisnotmeantforusewithsurgicalhandscrubsorpreoperativeskinpreps.Theamountofvirusoneachfingerpadafterthedryingoftheinoculumshouldnotbelessthan104infectiousunitsthatwouldpermitthedetectionofuptoa4log10reductionintheinfectivitytiterofthevirusbyagivenproductundertheconditionsofthistestmethod.1.1Humanskindoesnotcarryvirusesasapartofitsresidentflora.Handstransientlycontaminatedwithviruses,however,canactasvehiclesforthespreadofmanytypesofviralinfections.Hygienichandwashingismeanttoreducetheloadofvirusesandothertransientmicroorganismsonhands,therebyreducingtheriskofdiseasetransmission.Suchreductioninthevirusloadmaybeduetoacombinationofvirusinactivationandremovalofinfectiousvirusfromtheskin.1.2Standardtestmethodstoassessthecapacityofhygienichandwashandhandrubagentstoreduceviruslevelsonhandsarenotpresentlyavailable.Thistestmethod,therefore,hasbeendesignedtodeterminethecomparativevirus-eliminatingeffectivenessofgermicidalornon-germicidalformulations.Thistestmethodisnotmeantforusewithsurgicalhandscrubsorpreoperativeskinpreps.Note18212;Thetestmethodshouldbeperformedbypersonswithtraininginvirologyinfacilitiesdesignedandequippedforworkwithinfectiousagentsatbiosafetylevel2(5).1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G73
【国际标准分类号】:11_080_01
【页数】:6P.;A4
【正文语种】:
