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ASTM C841-2003(2008)e1 室内板条及垫高料安装的标准规范

作者:标准资料网 时间:2024-05-08 16:40:23  浏览:9919   来源:标准资料网
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【英文标准名称】:StandardSpecificationforInstallationofInteriorLathingandFurring
【原文标准名称】:室内板条及垫高料安装的标准规范
【标准号】:ASTMC841-2003(2008)e1
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:C11.03
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:furring;gypsum;lathing;plaster;Gypsumproducts--lath(specifications);Gypsumproducts--specifications;Installation--gypsumproducts;Interiorlathingandfurring;Metallath
【摘要】:1.1Thisspecificationcoverstheminimumrequirementsfor,andthemethodsofapplicationof,interiorlathingandfurringtoreceivegypsumplasterappliedinaccordancewithSpecificationC842.Othermaterialsarenotprohibitedfrombeingusedprovidedthattheirphysicalcharacteristicsanddurabilityunderconditionsofusageareatleastequalinperformancetothosedescribed.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Detailsofconstructionforaspecificassemblytoachievetherequiredfireresistanceshallbeobtainedfromreportsoffire-resistancetests,engineeringevaluations,orlistingsfromrecognizedfiretestinglaboratories.1.4Whereaspecificdegreeofsoundcontrolisrequiredforplasteredassembliesandconstructions,detailsofconstructionshallbeobtainedfromreportsofsoundtestsofassembliesthathavemettherequirementsofTestMethodE492.
【中国标准分类号】:Q71
【国际标准分类号】:
【页数】:10P.;A4
【正文语种】:英语


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【英文标准名称】:StandardTestMethodofMeasurementofCommon-EmitterD-CCurrentGainofJunctionTransistors
【原文标准名称】:结型晶体管共射极直流增益测量的标准试验方法
【标准号】:ASTMF528-1999(2005)
【标准状态】:作废
【国别】:
【发布日期】:1999
【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】:F01.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:晶体管;结型晶体管;方法;结型晶体管共射极直流增益;半导体电流测量
【英文主题词】:common-emitterd-ccurrentgain;currentgain;hFE;junctiontransistors;transistortest
【摘要】:Thecurrentgainofatransistorisbasictoitsoperationandisitssinglemostimportantparameter.Ionizingradiation,thatis,gammaradiationduetoanuclearburst,willdegradethecurrentgainduetolifetimedamageinthebulkmaterial.Degradationofgainwillbegreatestimmediatelyfollowingaburstofionizingradiationandthegainwillrapidlyrecovertoaquasisteady-statevalue.Defectannealingmaycontinueforweeksbutusuallythecurrentgainrecoveryissmallornegligible.Thismethodprovidesaprocedurethatdoesnotrequirespecial-purposetestequipment.Thismethodissuitableforuseforspecificationacceptance,serviceevaluation,ormanufacturingcontrol.1.1Thistestmethodcoversthemeasurementofcommon-emitterd-ccurrentgain(forward,hFE,orinverted,hFEI)ofbipolartransistors,forwhichthecollector-emitterleakagecurrent,ICEO,islessthan10%ofthecollectorcurrent,IC,atwhichthemeasurementistobemade,andforwhichtheshuntleakagecurrentinthebasecircuitislessthan10%ofthebasecurrentrequired.1.2Thistestmethodissuitableformeasurementofcommon-emitterd-ccurrentgainatasinglegivenvalueoftesttransistorcollectorcurrentoroveragivenrangeofcollectorcurrents(forexample,overtherangeofthetransistortobetested).1.2.1Thenominalrangesofcollectorcurrentoverwhichthethreetestcircuitsareintendedtobeusedareasfollows:1.2.1.1Circuit1,lessthan100[mu]A,1.2.1.2Circuit2,from100[mu]Ato100mA,and1.2.1.3Circuit3,greaterthan100mA.1.3Thistestmethodincorporatesteststodetermineifthepowerdissipatedinthetransistorislowenoughthatthetemperatureofthejunctionisapproximatelythesameastheambienttemperature.1.4ThevaluesstatedinInternationalSystemofUnits(SI)aretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityofwhoeverusesthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:L42
【国际标准分类号】:31_080_30
【页数】:7P.;A4
【正文语种】:


【英文标准名称】:Applicationofconstructionproductsinstructures-Part5:Strengthgradedstructuraltimberwithrectangularcrosssection
【原文标准名称】:建筑物中建筑产品的应用.第5部分:矩形横截面的强度级结构木料
【标准号】:DINV20000-5-2009
【标准状态】:作废
【国别】:德国
【发布日期】:2009-02
【实施或试行日期】:
【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】:应用;建筑;施工材料;建设工程;装配产品;横断面;定义;矩形;规范(验收);材料强度;建筑用木料;木结构;木材技术;木质板材
【英文主题词】:Applications;Construction;Constructionmaterials;Constructionworks;Constructionalproducts;Crosssections;Definition;Definitions;Rectangularshape;Specification(approval);Strengthofmaterials;Structuraltimber;Timberconstruction;Woodtechnology;Woodbasedsheetmaterials
【摘要】:
【中国标准分类号】:B69
【国际标准分类号】:79_040
【页数】:5P.;A4
【正文语种】:德语



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