NF G07-500-2008 纺织物.毛圈织物.毛圈萃取阻力的测定用试验方法
时间:2024-05-17 02:15:31 来源: 标准资料网 作者：标准资料网 阅读：8034
【英文标准名称】:Textiles-Terryfabrics-Testmethodforthedeterminationoftheresistancetopileloopextraction.
【原文标准名称】:纺织物.毛圈织物.毛圈萃取阻力的测定用试验方法
【标准号】:NFG07-500-2008
【标准状态】:现行
【国别】:法国
【发布日期】:2008-10-01
【实施或试行日期】:2008-10-10
【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】:定义;测定;环线拉伸试验;测量试样;毛圈织物;抽样方法;悬带;测试;纺织纤维;纺织工业;纺织材料;机织物
【英文主题词】:Definition;Definitions;Determination;Looptensiletests;Measuringsamples;Pilefabrics;Samplingmethods;Slings;Terryfabrics;Testing;Textilefibres;Textileindustry;Textiles;Wovenfabrics
【摘要】:
【中国标准分类号】:W55
【国际标准分类号】:59_080_30
【页数】:8P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforCentrifugeMoistureEquivalentofSoils
【原文标准名称】:土壤离心湿度当量的标准试验方法
【标准号】:ASTMD425-1988(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1988
【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】:D18.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:centrifugemoistureequivalent;specificretention;specificyield,storagecapacity;waterholdingcapacity;Centrifugemoistureequivalent;Soil;Soil-moistureanalysis;Specificretention/yield;Storage--soil/rock/relatedmaterials;Wateranalysis;Wat
【摘要】:Notallwatercontainedinasaturatedsoilcanberemovedbygravitydrainage.Theamountofwaterretainedaftergravitydrainageisusuallyexpressedaswaterholdingcapacityorspecificretention.Itvarieswithtime,andwiththeparticle-sizedistributionandplasticityofthesoil(ingeneral,increasinginvaluewithincreasingplasticityindex).Ingeneral,thecentrifugemoistureequivalentisbasedonthetheoryofapplyingacentrifugalforcegreatenoughtoreducethecapillaryfringezoneenoughthatitcanbeignoredwithoutintroducingmucherror,eveninsmallspecimens,andyetnotsogreatastowithdrawalargeproportionofthewaterthatisheldsecurelyabovethecapillaryfringe.Forexample,ifasoilwillholdwater100mmbycapillarityactingagainstgravity,thesoilwilltheoreticallybeabletoholdthewateronly0.1mmagainstacentrifugalforcethatis1000timesgreaterthantheforceofgravity.Ithasbeendeterminedthatforatleastmedium-texturedsoils(sandytosiltyparticle-sizedistribution)thecentrifugemoistureequivalentapproximatesthewaterholdingcapacityandwhencombinedwiththebulkdensitycanbeusedtocalculateanapproximatespecificretentionandspecificyield.Thesepropertieswhencombinedwithporositycanbeusedtoestimateaquiferstoragecoefficient.1.1Thistestmethodcoversthedeterminationofthemoistureequivalentofsoilinthelaboratorybymeansofacentrifugetechnique.1.2Thistestmethodislimitedtodisturbedspecimensofcoarse-grainedsoilshavingfinesoflowplasticitysuchasSP,SW,SC-SM,orSMsoils.Thetestislimitedtosoilspassingthe2.00-mmsieveorthatfractionofasoilpassinga2.00-mmsieve.Note18212;TestMethodD3152orTestMethodD2325shouldbeusedtoevaluatethecapillary-moisturerelationsoffine-grainedsoilsandcoarse-grainedsoilshavingfinesofmediumtohighplasticity,undisturbedsoils,andsoilsatspecificdesiredunitsweights.1.3Thetestmethodistemperature-dependent,andconsistentcomparableresultscanbeobtainedonlyifthetestsareperformedunderaconstant-temperaturecondition.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B11
【国际标准分类号】:93_020
【页数】:4P.;A4
【正文语种】:英语
【英文标准名称】:Pneumaticfluidpower.Directionalcontrolvalvewiththreeports.Mountingsurfacesofsubplate.Pipethread.
【原文标准名称】:气压流体动力.带3个口的定向控制阀门.底座安装表面.管材螺纹
【标准号】:NFE49-066-1990
【标准状态】:现行
【国别】:法国
【发布日期】:1990-12-01
【实施或试行日期】:1990-12-20
【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】:螺纹;尺寸;燃气管螺纹;气液传动;方向控制阀;提升阀;互换性;气动传动系统
【英文主题词】:
【摘要】:
【中国标准分类号】:J20
【国际标准分类号】:23_100_50
【页数】:7P;A4
【正文语种】:其他