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GB/T 6140-1995 自来水笔

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基本信息
标准名称:自来水笔
英文名称:Fountain pen
中标分类: 轻工、文化与生活用品 >> 文教、体育、娱乐用品 >> 文教、绘图仪器、簿册、卡片
ICS分类:
替代情况:替代GB 6140-1985;调整为QB/T 2775-2006
发布部门:国家技术监督局
发布日期:1995-01-02
实施日期:1996-08-01
首发日期:1985-06-20
作废日期:2006-10-11
主管部门:中国轻工业联合会
归口单位: 中国轻工业联合会
起草单位:上海制笔工业研究所
出版社:中国标准出版社
出版日期:1900-01-01
页数:平装16开, 页数:13, 字数:21千字
适用范围

本标准规定了自来水笔的产品分类、技术要求、试验方法、检验规则、标志、包装、运输、贮存等。本标准适用于具有蓄贮书写墨水装置和点有铱粒的金属笔尖,应用毛细原理书写的自来水笔。

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所属分类: 轻工 文化与生活用品 文教 体育 娱乐用品 文教 绘图仪器 簿册 卡片
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【英文标准名称】:StandardPracticeforDirectPushInstallationofPrepackedScreenMonitoringWellsinUnconsolidatedAquifers
【原文标准名称】:未固结含水土层里预制的滤网式监测井的直推式安装的标准实施规程
【标准号】:ASTMD6725-2004(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:aquifer;directpush;groundwater;monitoringwell;prepackedscreen;waterquality;Siteidentification/investigation/selection;Waterqualitymonitoring;Aquifers;Directpushinstallation;Ground-watermonitoring/sampling;Installation--groundwater/s
【摘要】:Thispracticeisintendedtoprovidetheuserwithinformationontheappropriatemethodsandproceduresforinstallingprepackedscreenmonitoringwellsbydirectpushmethods.Themonitoringwellsmaybeusedtoobtainrepresentativewaterqualitysamplesforaqueousphasecontaminantsorotheranalytesofinterest,eitherorganicorinorganic(Krametal.2000,McCall2000,McCalletal.1997).Themonitoringwellsmayalsobeusedtoobtaininformationonthepotentiometricsurfaceofthelocalaquiferandpropertiesoftheformationsuchashydraulicconductivityortransmissivity.Useofdirectpushmethodstoinstallmonitoringwellscansignificantlyreducetheamountofpotentiallyhazardousdrillcuttingsgeneratedduringwellinstallationatcontaminatedsites.Thismaysignificantlyreducecostofanenvironmentalsiteinvestigationandgroundwatermonitoringprogram.Minimizinggenerationofhazardouswastealsoreducestheexposurehazardstositeworkers,localresidents,andtheenvironment.Directpushmethodsformonitoringwellinstallationarelimitedtouseinunconsolidatedformationssuchasalluvial/streamsediments,glacialdeposits,andbeachtypesediments.Directpushmethodsaregenerallysuccessfulatpenetratingclays,silts,sandsandsomegravel.Depositssuchassoilswiththickcalichelayers,orglacialtillswithlargecobblesorbouldersmaybedifficultorimpossibletopenetratetothedesireddepth.Directpushmethodsarenotdesignedforpenetrationofconsolidatedbedrocksuchaslimestone,graniteorgneiss.1.1Thispracticeisbasedonrecognizedmethodsbywhichdirectpushmonitoringwellsmaybedesignedandinstalledforthepurposeofdetectingthepresenceorabsenceofacontaminant,andcollectingrepresentativegroundwaterqualitydata.Thedesignstandardsandinstallationprocedureshereinareapplicabletobothdetectionandassessmentmonitoringprogramsforfacilities.1.2Therecommendedmonitoringwelldesign,aspresentedinthispractice,isbasedontheassumptionthattheobjectiveoftheprogramistoobtainrepresentativegroundwaterinformationandwaterqualitysamplesfromaquifers.Monitoringwellsconstructedfollowingthispracticeshouldproducerelativelyturbidity-freesamplesforgranularaquifermaterialsrangingfromgravelstosiltysand.Stratahavinggrainsizessmallerthantherecommendeddesignforthesmallestdiameterfilterpackmaterialsshouldbemonitoredbyalternativemonitoringwelldesignswhicharenotaddressedinthispractice.1.3Directpushproceduresarenotapplicableformonitoringwellinstallationunderallgeologicandsoilconditions(forexample,installationinbedrock).Otherrotarydrillingproceduresareavailableforpenetrationoftheseconsolidatedmaterialsforwellconstructionpurposes(GuideD5092).Additionally,undersomegeologicconditionsitmaybeappropriatetoinstallmonitoringwellswithoutafilterpack(EPA1991).GuideD6724maybereferredtoforadditionalinformationontheseandothermethodsforthedirectpushinstallationofgroundwatermonitoringwells.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Thevaluesinparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.6Thispracticeoffersasetofinstructionsforperformingoneorm......
【中国标准分类号】:P13
【国际标准分类号】:13_060_10
【页数】:15P.;A4
【正文语种】:英语