EN 61834-4-1998 录制.家用的使用6,35mm磁带螺旋扫描数字音像盒式磁带录像系统(525-60,625-50,1125-60和1250-50系统).第4部分:包装标题目录和内容

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【英文标准名称】:Recording-Helical-scandigitalvideocassetterecordingsystemusing6,35mmmagnetictapeforconsumeruse(525-60,625-50,1125-60and1250-50systems)-Part4:Packheadertableandcontents(IEC61834-4:1998);GermanversionEN61834-4:1998
【原文标准名称】:录制.家用的使用6,35mm磁带螺旋扫描数字音像盒式磁带录像系统(525-60,625-50,1125-60和1250-50系统).第4部分:包装标题目录和内容
【标准号】:EN61834-4-1998
【标准状态】:现行
【国别】:
【发布日期】:1999-04
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:调查;娱乐电子学;数字的;家用;盒式磁带;数据包;盒式录象带;视频记录;规范(验收);记录系统;尺寸;磁带记录;数字录制技术;分类;含量;类别
【英文主题词】:Cassettes(magnetictapes);Categories;Classification;Contents;Digital;Digitalrecordingtechnique;Entertainmentelectronics;Helicalscanrecording;Homeuse;Householduse;Magnetictaperecordings;Packets(datatransmission);Recordingsystem;Sizes;Specification(approval);Surveys;Videocassettes;Videorecording
【摘要】:
【中国标准分类号】:M71
【国际标准分类号】:33_160_40
【页数】:126P.;A4
【正文语种】:英语


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【英文标准名称】:StandardTestMethodforPerformingtheFlatPlateDilatometer
【原文标准名称】:平板式膨胀计使用的标准试验方法
【标准号】:ASTMD6635-2001(2007)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D18.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compressibility;deformation;dilatometer;DMT;earthpressure;exploration;in-situsoiltest;modulus;penetration;settlement;stratigraphy;strength;stress
【摘要】:Soundingsperformedusingthistestmethodprovideadetailedrecordofdilatometerresultswhichareusefulforevaluationofsitestratigraphy,homogeneity,depthtofirmlayers,voidsorcavities,andotherdiscontinuities.Thepenetrationresistanceandsubsequentmembraneexpansionareusedforsoilclassificationandcorrelationwithengineeringpropertiesofsoils.Whenproperlyperformedatsuitablesites,thetestprovidesarapidmeansofcharacterizingsubsurfaceconditions.TheDMTtestprovidesmeasurementsofpenetrationresistance,lateralstress,deformationmodulusandpore-waterpressure(insands).However,thein-situsoilpropertiesareaffectedbythepenetrationoftheblade.Therefore,publishedcorrelationsareusedtoestimatesoilpropertiesforthedesignandconstructionofearthworksandfoundationsforstructures,andtopredictthebehaviorofsoilssubjectedtostaticordynamicloads.Thistestmethodteststhesoilin-situandsoilsamplesarenotobtained.However,theinterpretationoftheresultsfromthistestmethoddoesprovideanestimateofthetypesofsoilpenetrated.Soilsamplesfromparallelboringsmaybeobtainedforcorrelationpurposes,butpriorinformationorexperiencemayprecludetheneedforborings.1.1Thistestmethoddescribesanin-situpenetrationplusexpansiontest.Thetestisinitiatedbyforcingthesteel,flatplate,dilatometerblade,withitssharpcuttingedge,intoasoil.Eachtestconsistsofanincrementofpenetration,generallyvertical,followedbytheexpansionofaflat,circular,metallicmembraneintothesurroundingsoil.Thetestprovidesinformationaboutthesoil''sin-situstratigraphy,stress,strength,compressibility,andpore-waterpressureforuseinthedesignofearthworksandfoundations.1.2Thismethodincludesspecificrequirementsforthepreliminaryreductionofdilatometertestdata.Itdoesnotspecifyhowtoassessorusesoilpropertiesforengineeringdesign.1.3Thismethodappliesbesttothosesands,silts,clays,andorganicsoilsthatcanbereadilypenetratedwiththedilatometerblade,preferablyusingstaticpush(see4.2).Testresultsforsoilscontainingprimarilygravel-sizedparticlesandlargermaynotbeusefulwithoutadditionalresearch.1.4Thismethodisnotapplicabletosoilsthatcannotbepenetratedbythedilatometerbladewithoutcausingsignificantdamagetothebladeoritsmembrane.1.5TheAmericanSocietyforTestingandMaterialstakesnopositionrespectingthevalidityofanypatentrightsassertedinconnectionwithanyitemmentionedinthisstandard.Usersofthisstandardareexpresslyadvisedthatdeterminationofthevalidityofanysuchpatentrights,andtheriskofinfringementofsuchrights,areentirelytheirownresponsibility.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N13
【国际标准分类号】:19_060
【页数】:15P.;A4
【正文语种】:


基本信息
标准名称:河流泥沙公报编制规程
发布部门:中华人民共和国水利部
发布日期:2010-06-24
实施日期:2010-09-24
首发日期:
作废日期:
出版社:中国水利水电出版社
出版日期:2010-09-24
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