FZ/T 53003-1999 涤纶毛条
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来源:标准资料网
基本信息
标准名称: | 涤纶毛条 |
中标分类: |
纺织 >>
化学纤维 >>
化学纤维 |
ICS分类: |
纺织和皮革技术 >>
纺织纤维 >>
人造纤维
|
替代情况: | 原标准号ZB W52012-1990;被FZ/T 53003-2012代替 |
发布部门: | 中华人民共和国纺织工业部 |
发布日期: | 1990-03-08 |
实施日期: | 1999-02-01 |
首发日期: | 1900-01-01 |
作废日期: | 2012-11-01 |
提出单位: | 纺织工业部科技发展司 |
归口单位: | 上海化学纤维公司 |
起草单位: | 上海第五化学纤维厂 |
起草人: | 溥泽芝、陈曼蓉 |
出版日期: | 1900-01-01 |
页数: | 11页 |
适用范围
本标准规定了涤纶毛条质量指标、试验方法、验收规则、包装、标志、运输和贮存的要求。
前言
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目录
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引用标准
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所属分类: 纺织 化学纤维 化学纤维 纺织和皮革技术 纺织纤维 人造纤维
基本信息
标准名称: | 酸性镀铜溶液分析方法 |
中标分类: |
|
ICS分类: |
化工技术 >>
分析化学 >>
化学分析
|
发布日期: | 1983-03-01 |
实施日期: | 1983-05-01 |
首发日期: | |
作废日期: | |
出版日期: | |
页数: | 3页 |
适用范围
没有内容
前言
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目录
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引用标准
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所属分类: 化工技术 分析化学 化学分析
【英文标准名称】:StandardTestMethod(AnalyticalProcedure)forDeterminingtheEfficiencyofaProductionWellinaConfinedAquiferfromaConstantRatePumpingTest
【原文标准名称】:通过一连续比率的泵试验对限制性含水层内生产井效率测定的标准试验方法(分析方法)
【标准号】:ASTMD6034-1996(2010)e1
【标准状态】:现行
【国别】:美国
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:anisotropy;aquifers;aquifertests;controlwells;groundwater;hydraulicconductivity;observationwells;storagecoefficient;transmissivity;wellefficiency;Transmissivity;Wellefficiency;Anisotropy;Aquifers;Controlwells;Groundwater;H
【摘要】:Thistestmethodallowstheusertocomputethetruehydraulicefficiencyofapumpedwellinaconfinedaquiferfromaconstantratepumpingtest.Theproceduresdescribedconstitutetheonlyvalidmethodofdeterminingwellefficiency.Somepractitionershaveconfusedwellefficiencywithpercentageofheadlossassociatedwithlaminarflow,aparametercommonlydeterminedfromastep-drawdowntest.Wellefficiency,however,cannotbedeterminedfromastep-drawdowntestbutonlycanbedeterminedfromaconstantratetest.Assumptions:Controlwelldischargesataconstantrate,Q.Controlwellisofinfinitesimaldiameter.Dataareobtainedfromthecontrolwelland,ifavailable,anumberofobservationwells.Theaquiferisconfined,homogeneous,andareallyextensive.Theaquifermaybeanisotropic,andifso,thedirectionsofmaximumandminimumhydraulicconductivityarehorizontalandvertical,respectively.Dischargefromthewellisderivedexclusivelyfromstorageintheaquifer.CalculationRequirements8212;Forthespecialcaseofpartiallypenetratingwells,applicationofthistestmethodmaybecomputationallyintensive.ThefunctionfsshowninEq6mustbeevaluatedusingarbitraryinputparameters.Itisnotpracticaltouseexisting,somewhatlimited,tablesofvaluesforfsand,becausethisequationisratherformidable,itisnotreadilytractablebyhand.Becauseofthis,itisassumedthepractitionerusingthistestmethodwillhaveavailableacomputerizedprocedureforevaluatingthefunctionfs.Thiscanbeaccomplishedusingcommerciallyavailablemathematicalsoftwareincludingsomespreadsheetapplicationsorbywritingprogramsinlanguages,suchasFortranorC.Ifcalculatingfsisnotpractical,itispossibletosubstitutetheKozenyequationfortheHantushequationaspreviouslydescribed.1.1Thistestmethoddescribesananalyticalprocedurefordeterminingthehydraulicefficiencyofaproductionwellinaconfinedaquifer.Itinvolvescomparingtheactualdrawdowninthewelltothetheoreticalminimumdrawdownachievableandisbasedupondataandaquifercoefficientsobtainedfromaconstantratepumpingtest.1.2Thisanalyticalprocedureisusedinconjunctionwiththefieldprocedure,TestMethodD4050.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard,exceptasnotedbelow.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunits,whichareprovidedforinformationonlyandarenotconsideredstandard.1.3.1Thegravitationalsystemofinch-poundunitsisusedwhendealingwithinch-poundunits.Inthissystem,thepound(lbf)representsaunitofforce(weight),whiletheunitformassisslugs.1.4Limitations8212;Thelimitationsofthetechniquefordeterminationofwellefficiencyarerelatedprimarilytothecorrespondencebetweenthefieldsituationandthesimplifyingassumptionofthistestmethod.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13
【国际标准分类号】:93_160
【页数】:8P.;A4
【正文语种】:英语