DIN 1041-1976 钳工用锤
时间:2024-05-14 12:00:02 来源: 标准资料网 作者：标准资料网 阅读：8669
【英文标准名称】:Machinists'hammers
【原文标准名称】:钳工用锤
【标准号】:DIN1041-1976
【标准状态】:作废
【国别】:
【发布日期】:
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:StandardGuideforMaintenanceandRehabilitationofGround-WaterMonitoringWells
【原文标准名称】:地下水探井的维修和修复的标准指南
【标准号】:ASTMD5978-1996(2005)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:
【英文主题词】:biofouling;development;encrustation;groundwater;maintenance;monitoringwell;rehabilitation
【摘要】:Theprocessofoperatinganyengineeredsystem,suchasmonitoringwells,includesactivemaintenancetoprevent,mitigate,orreversedeterioration.Lackoforimpropermaintenancecanleadtowellperformancedeficiencies(physicalproblems)orsamplequalitydegradation(chemicalproblems).Theseproblemsareintrinsictomonitoringwells,whichareoftenleftidleforlongperiodsoftime(aslongasayear),installedinnon-aquifermaterials,andinstalledtoevaluatecontaminationthatcancauselocallyanomaloushydrogeochemicalconditions.Thetypicalsolutionsforthesephysicalandchemicalproblemsthatwouldbeappliedbyownersandoperatorsofwatersupply,dewatering,recharge,andotherwellsmaynotbeappropriateformonitoringwellsbecauseoftheneedtominimizetheirimpactontheconditionsthatmonitoringwellswereinstalledtoevaluate.Thisguidecoversactionsandprocedures,butisnotanencyclopedicguidetowellmaintenance.Wellmaintenanceplanningandexecutionishighlysiteandwellspecific.Thedesignofmaintenanceandrehabilitationprogramsandtheidentificationoftheneedforrehabilitationshouldbebasedonobjectiveobservationandtesting,andbyindividualsknowledgeableandexperiencedinwellmaintenanceandrehabilitation.Usersofthisguideareencouragedtoconsultthereferencesprovided.ForadditionalinformationseeTestMethodsD1889,D4412,D5472,andGuidesD4448,D5409,D5410andD5474.1.1Thisguidecoversanapproachtoselectingandimplementingawellmaintenanceandrehabilitationprogramforground-watermonitoringwells.Itprovidesinformationonsymptomsofproblemsordeficienciesthatindicatetheneedformaintenanceandrehabilitation.Itislimitedtomonitoringwells,thataredesignedandoperatedtoprovideaccessto,representativewatersamplesfrom,andinformationaboutthehydraulicpropertiesofthesaturatedsubsurfacewhileminimizingimpactonthemonitoredzone.Somemethodsdescribedhereinmayapplytoothertypesofwellsalthoughtherangeofmaintenanceandrehabilitationtreatmentmethodssuitableformonitoringwellsismorerestrictedthanforothertypesofwells.Monitoringwellsincludetheirassociatedpumpsandsurfaceequipment.1.2Thisguideisaffectedbygovernmentalregulationsandbysitespecificgeological,hydrogeological,geochemical,climatological,andbiologicalconditions.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:D04
【国际标准分类号】:13_060_10
【页数】:7P.;A4
【正文语种】:
【英文标准名称】:Specificationforepoxyresincastingsystemsusedforelectricalinsulatingapplicationsatpowerfrequencies
【原文标准名称】:电源频率的电气绝缘用环氧树脂浇铸系统规范
【标准号】:BS3816-1989
【标准状态】:现行
【国别】:英国
【发布日期】:1989-02-28
【实施或试行日期】:1989-02-28
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:固体绝缘材料;电绝缘材料;电力系统;试样制备;功率因数;作标记;增强的材料;电容率;介电强度;塑料;吸水率;弹性常数;环氧树脂;材料强度;铸件
【英文主题词】:
【摘要】:Performancerequirementsandcompositionofcastingsystemsinequipmentforgeneration,transmissionanddistributionofelectricalpower.
【中国标准分类号】:K15
【国际标准分类号】:29_035_20
【页数】:4P;A4
【正文语种】:英语