GB/T 6140-1995 自来水笔
作者:标准资料网 时间:2024-05-20 18:09:30 浏览:8483
来源:标准资料网
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: |
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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
【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