【英文标准名称】:O-rings.Ethylene-propylenerubber41B8.PrecisionclassA.Performanceclass3.
【原文标准名称】:O形圈.41B8乙丙橡胶.精度等级A.性能等级3
【标准号】:NFL46-016-1987
【标准状态】:现行
【国别】:法国
【发布日期】:1987-09-01
【实施或试行日期】:1987-09-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:弹性体;航空运输;图表;航空工业;环形密封圈;名称与符号;乙丙橡胶;飞行器部件;橡胶;O型密封圈;飞行器设备;尺寸
【英文主题词】:Designations;Diameter;Dimensionaltolerances;Dimensions;Fluidcircuits;Fluidengineering;Fluidtechnology;Hydraulicequipment;Hydraulicfluidpower;Hydraulictransmissionsystems;Identification;Insidediameters;O-rings;Sealingrings;Seals;Sizecoding;Tolerances(measurement);Toroidalsealingrings
【摘要】:
【中国标准分类号】:V21
【国际标准分类号】:23_100_60
【页数】:9P.;A4
【正文语种】:其他
【英文标准名称】:StandardPracticesforHandling,Storing,andPreparingSoftIntactMarineSoil
【原文标准名称】:硬度低未经扰动海积土的搬运、储藏和制备的标准实施规程
【标准号】:ASTMD3213-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:laboratoryfine-grainedsoils;marine;soft;storage;intactsamples;Handlingmaterial--soil/relatedmaterials;Laboratorysoil/rockanalysis;Marinesoils;Preservation;Softmarinesoil;Storage--soil/rock/relatedmaterials;Undisturbedsoil
【摘要】:Disturbanceimpartedtosedimentsaftersamplingcansignificantlyaffectsomegeotechnicalproperties.Carefulpracticesneedtobefollowedtominimizesoilfabricchangescausedfromhandling,storing,andpreparingsedimentspecimensfortesting.Note18212;Thequalityoftheresultproducedbythisstandardisdependentonthecompetenceofthepersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspection,etc.UsersofthisstandardarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmayfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.Thepracticespresentedinthisdocumentshouldbeusedwithsoilthathasaverysoftorsoftshearstrength(undrainedshearstrengthlessthan25kPa(3.6psi))consistency.Note28212;Somesoilsthatareobtainedatorjustbelowtheseafloorquicklydeformundertheirownweightifleftunsupported.Thistypeofbehaviorpresentsspecialproblemsforsometypesoftesting.Specialhandlingandpreparationproceduresarerequiredunderthosecircumstances.Testaresometimesperformedatseatominimizetheeffectofstoragetimeandhandlingonsoilproperties.Anundrainedshearstrengthoflessthan25kPawasselectedbasedonTerzaghiandPeck.Theydefinedaverysoftsaturatedclayashavingundrainedshearstrengthlessthan25kPa.Thesepracticesshallapplytospecimensofnaturallyformedmarinesoil(thatmayormaynotbefragileorhighlysensitive)thatwillbeusedfordensitydetermination,consolidation,permeabilitytestingorshearstrengthtestingwithorwithoutstress-strainpropertiesandvolumechangemeasurements(seeNote3).Inaddition,dynamicandcyclictestingcanalsobeperformedonthesample.Note38212;Tohelpevaluatedisturbance,X-RayRadiographyhasprovenhelpful,refertoMethodsD4452.Thesepracticesapplytofine-grainedsoilsthatdonotallowtherapiddrainageofporewater.Althoughmanyoftheprocedurescanapplytocoarser-grainedsoils,drainagemayoccurrapidlyenoughtowarrantspecialhandlingproceduresnotcoveredinthesepractices.Thesepracticesapplyprimarilytosoilspecimensthatareobtainedinthin-walledorsimilarcoringdevicesthatproducehigh-qualitycoresorthatareobtainedbypushingathin-walledtubeintocorestakenwithanothersamplingdevice.Thesepracticescanbeusedinconjunctionwithsoilscontaininggas,however,morespecializedproceduresandequipmentthatarenotcoveredinthesepracticeshavebeendevelopedforusewithsuchmaterials.Note48212;Forinformationonhandlinggaschargedsediments,thereaderisreferredtopapersbyJohns,etal.,andLee.1.1Thesepracticescovermethodsforproject/cruisereporting,andhandling,transportingandstoringsoftcohesiveintactmarinesoil.Proceduresforpreparingsoilspecimensfortriaxialstrength,andconsolidationtestingarealsopresented.1.2Thesepracticesmayincludethehandlingandtransportingofsedimentspecimenscontaminatedwithhazardousmaterialsandsamplessubjecttoquarantineregulations.1.3Thesepracticesofferasetofinstructionsforperformingoneormorespecificoperations.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthispracticemaybeapplicableinallcircumstance......
【中国标准分类号】:P13
【国际标准分类号】:07_060
【页数】:5P.;A4
【正文语种】:英语
基本信息
标准名称: | 2GHz TD-SCDMA数字蜂窝移动通信网多媒体广播系统无线接入子系统设备测试方法(第一阶段) |
英文名称: | Test Methods for RAN Equipment of 2GHz TD-SCDMA Digital Cellular Mobile Communication Network MBMS System (TD-MBMS)(Phase 1) |
中标分类: |
通信、广播 >>
通信设备 >>
移动通信设备 |
ICS分类: |
|
替代情况: | 被YD/T 1796-2011代替 |
发布部门: | 工业和信息化部 |
发布日期: | 2008-01-01 |
实施日期: | 2008-06-01 |
首发日期: | |
作废日期: | 2011-06-01 |
主管部门: | 中国通信标准化协会 |
提出单位: | 中国通信标准化协会 |
归口单位: | 中国通信标准化协会 |
起草单位: | 信息产业部电信研究院、鼎桥通信技术有限公司、上海贝尔阿尔卡特股份有限公司 |
起草人: | 徐菲、王浩然、胡海宁 |
出版社: | 中国标准出版社 |
出版日期: | 2008-06-01 |
页数: | 20 |
适用范围
本标准规定了2GHz TD-SCDMA数字蜂窝移动通信网多媒体广播系统无线网络子系统(RNS)相关功能和性能的测试内容、环境及无线接入子系统的基本功能如组网要求、系统配置、业务等的测试方法。
本标准适用于2GHz TD-SCDMA数字蜂窝移动通信网中多媒体广播系统中无线接入网络设备。
前言
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目录
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引用标准
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所属分类: 通信 广播 通信设备 移动通信设备