NF E63-505-1986 模铸和挤压材料.金属模部件.带圆筒头的起模销
时间:2024-05-22 00:47:53 来源: 标准资料网 作者：标准资料网 阅读：8857
【英文标准名称】:Materialofmouldingandextrusion.Metalmouldcomponents.Ejectorfingerswithcylindricalhead.
【原文标准名称】:模铸和挤压材料.金属模部件.带圆筒头的起模销
【标准号】:NFE63-505-1986
【标准状态】:作废
【国别】:法国
【发布日期】:1986-10-01
【实施或试行日期】:1986-10-20
【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】:铸模设备;硬度;挤压设备;图表;挤压机;表(数据);尺寸;尺寸公差;名称与符号;喷气引射泵;顶杆
【英文主题词】:shape;pins(nails);components;dimensions;materials;tools;designations
【摘要】:
【中国标准分类号】:G95;J46
【国际标准分类号】:25_120_30
【页数】:4P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodsforAsphaltContentofBituminousMixturesbytheNuclearMethod
【原文标准名称】:用核技术测定沥青混合料中沥青含量的标准试验方法
【标准号】:ASTMD4125-2005
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:承重面的表面修饰;含量测定;地沥青;表面;施工材料;路面(道路);建筑;试验;材料;混合物;精整;额定值;道路建筑;沥青
【英文主题词】:constructionmaterials;materials;roadconstruction;surfacefinishesforloadbearingplanes;pavement;pavements(roads);testing;ratings;surfaces;finishes;bitumens;mixtures;construction;asphalts;determin
【摘要】:
【中国标准分类号】:E43
【国际标准分类号】:93_080_20
【页数】:5P;A4
【正文语种】:英语
【英文标准名称】:StandardGuideforDevelopmentofGround-WaterMonitoringWellsinGranularAquifers
【原文标准名称】:开发土壤蓄水层中地下水监控井的标准指南
【标准号】:ASTMD5521-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:D18.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:含水土层;粒状;地下水;监控;自然资源;水质;水井;水域
【英文主题词】:aquifer;groundwater;high-velocity;hydraulicjetting;jetting;mechanicalsurging;monitoringwell;over-pumpingandbackwashing;representativesample;welldevelopment
【摘要】:Aproperlydesigned,installed,anddevelopedground-watermonitoringwell,constructedinaccordancewithPracticeD5092shouldprovidethefollowing:representativesamplesofgroundwaterthatcanbeanalyzedtodeterminephysicalpropertiesandwater-qualityparametersofthesampleorpotentiometriclevelsthatarerepresentativeofthetotalhydraulicheadofthatportionoftheaquiferscreenedbythewell,orboth.Suchawellmayalsobeutilizedforconductingaquifertestsusedforthepurposeofdeterminingthehydraulicpropertiesofthegeologicmaterialsinwhichthewellhasbeencompleted.Welldevelopmentisanimportantcomponentofmonitoringwellcompletion.Monitoringwellsinstalledinaquifersshouldbesufficientlydevelopedtoensurethattheyservetheirintendedobjectives.Welldevelopmentmethodsvarywiththephysicalcharacteristicsofthegeologicformationinwhichthemonitoringwellisscreened,theconstructiondetailsofthewell,thedrillingmethodusedduringtheconstructionoftheboreholeinwhichthewellisinstalled,andthequalityofthewater.Thedevelopmentmethodforeachindividualmonitoringwellshouldbeselectedfromamongtheseveralmethodsdescribedinthisguideandshouldbeemployedbythewellconstructioncontractororthepersonresponsibleformonitoringwellcompletion.Theimportanceofwelldevelopmentinmonitoringwellscannotbeoverestimated;alltoooftendevelopmentisnotperformedoriscarriedoutinadequately.Properandcarefulwelldevelopmentwillimprovetheabilityofmostmonitoringwellstoproviderepresentative,unbiasedchemicalandhydraulicdata.Theadditionaltimeandmoneyspentperformingthisimportantstepinmonitoringwellcompletionwillminimizethepotentialfordamagingpumpingequipmentandin-situsensors,andincreasetheprobabilitythatground-watersamplesarerepresentativeofwatercontainedinthemonitoredformation.1.1Thisguidecoversthedevelopmentofscreenedwellsinstalledforthepurposeofobtainingrepresentativeground-waterinformationandwaterqualitysamplesfromgranularaquifers,thoughthemethodsdescribedhereincouldalsobeappliedtowellsusedforotherpurposes.Otherwell-developmentmethodsthatareusedexclusivelyinopen-boreholebedrockwellsarenotdescribedinthisguide.1.2Theapplicationsandlimitationsofthemethodsdescribedinthisguidearebasedontheassumptionthattheprimaryobjectiveofthemonitoringwellstowhichthemethodsareappliedistoobtainrepresentativewaterqualitysamplesfromaquifers.Screenedmonitoringwellsdevelopedusingthemethodsdescribedinthisguideshouldyieldrelativelysediment-freesamplesfromgranularaquifermaterials,rangingfromgravelstosiltysands.Whilemanymonitoringwellsareconsidered"small-diameter"wells(thatis,lessthanfourinchesininsidediameter),someofthetechniquesdescribedinthisguidewillbemoreeasilyappliedtolarge-diameterwells(thatis,four-inchesorgreaterininsidediameter).1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Allotherunitsinparenthesesareprovidedforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisguidemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplac......
【中国标准分类号】:P13
【国际标准分类号】:
【页数】:17P.;A4
【正文语种】: