NY/T 1037-2006 天然胶乳 表观黏度的测定 旋转黏度计法
作者:标准资料网 时间:2024-05-21 11:41:02 浏览:9822
来源:标准资料网
基本信息
标准名称: | 天然胶乳 表观黏度的测定 旋转黏度计法 |
英文名称: | Natural rubber latex-Determination of apparent viscosity by the Brookfield test |
中标分类: |
化工 >>
橡胶制品及其辅助材料 >>
胶乳制品 |
ICS分类: |
橡胶和塑料工业 >>
橡胶和塑料制品 >>
橡胶和塑料制品综合
|
发布部门: | 中华人民共和国农业部 |
发布日期: | 2006-01-26 |
实施日期: | 2006-04-01 |
首发日期: | |
作废日期: | |
提出单位: | 中华人民共和国农业部 |
归口单位: | 农业部热带作物及制品标准化分技术委员会天然橡胶分技术委员会 |
起草单位: | 中国热带农业科学院农业机械研究所 |
起草人: | 陈成海、张北龙、邓维用等 |
出版社: | 中国农业出版社 |
出版日期: | 2006-03-01 |
页数: | 6页 |
适用范围
本标准规定了用L型旋转黏度计测定天然胶乳黏度的方法。
本标准适用于天然胶黏度的测定,也适用于以天然胶乳为原料制备的特种胶乳表面黏度的测定。
前言
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引用标准
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所属分类: 化工 橡胶制品及其辅助材料 胶乳制品 橡胶和塑料工业 橡胶和塑料制品 橡胶和塑料制品综合
【英文标准名称】:StandardTestMethod(AnalyticalProcedure)forDeterminingTransmissivityofNonleakyConfinedAquifersbyOverdampedWellResponsetoInstantaneousChangeinHead(SlugTests)
【原文标准名称】:顶部瞬时变化的强衰减井响应法测定非渗漏承压含水层的传输率的标准试验方法(分析法)
【标准号】:ASTMD4104-1996(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】:aquifers;aquifertests;controlwells;groundwater;hydraulicconductivity;observationwells;storagecoefficientstorativity;transmissivity;Controlwells;Aquifers;Fieldtesting--groundwater/aquifers;Groundwater;Hydraulicconductivity/tra
【摘要】:AssumptionsofSolutionofCooperetal(1):Theheadchangeinthecontrolwellisinstantaneousattimet=0.Wellisoffinitediameterandfullypenetratestheaquifer.Flowinthenonleakyaquiferisradial.ImplicationsofAssumptions:Themathematicalequationsappliedignoreinertialeffectsandassumethewaterlevelreturnsthestaticlevelinanapproximateexponentialmanner.ThegeometricconfigurationofthewellandaquiferareshowninFig.1.Assumptionsareapplicabletoartesianorconfinedconditionsandfullypenetratingwells.However,thistestmethodiscommonlyappliedtopartiallypenetratingwellsandinunconfinedaquiferswhereitmayprovideestimatesofhydraulicconductivityfortheaquiferintervaladjacenttotheopenintervalofthewellifthehorizontalhydraulicconductivityissignificantlygreaterthantheverticalhydraulicconductivity.AspointedoutbyCooperetal(1)thedeterminationofstoragecoefficientbythistestmethodhasquestionablereliabilitybecauseofthesimilarshapeofthecurves,whereas,thedeterminationoftransmissivityisnotassensitivetochoosingthecorrectcurve.However,thecurveselectedshouldnotimplyastoragecoefficientunrealisticallylargeorsmall.1.1Thistestmethodcoversthedeterminationoftransmissivityfromthemeasurementofforce-free(overdamped)responseofawell-aquifersystemtoasuddenchangeofwaterlevelinawell.Force-freeresponseofwaterlevelinawelltoasuddenchangeinwaterlevelischaracterizedbyrecoverytoinitialwaterlevelinanapproximateexponentialmannerwithnegligibleinertialeffects.1.2TheanalyticalprocedureinthistestmethodisusedinconjunctionwiththefieldprocedureinTestMethodD4044forcollectionoftestdata.1.3Limitations8212;Slugtestsareconsideredtoprovideanestimateoftransmissivity.Althoughtheassumptionsofthistestmethodprescribeafullypenetratingwell(awellopenthroughthefullthicknessoftheaquifer),theslugtestmethodiscommonlyconductedusingapartiallypenetratingwell.Suchapracticemaybeacceptableforapplicationunderconditionsinwhichtheaquiferisstratifiedandhorizontalhydraulicconductivityismuchgreaterthanverticalhydraulicconductivity.Insuchacasethetestwouldbeconsideredtoberepresentativeoftheaveragehydraulicconductivityoftheportionoftheaquiferadjacenttotheopenintervalofthewell.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13
【国际标准分类号】:13_060_10
【页数】:4P.;A4
【正文语种】:英语
【英文标准名称】:StandardClassificationofResistancetoStress-CorrosionCrackingofHeat-TreatableAluminumAlloys
【原文标准名称】:热处理铝合金抗应力腐蚀断裂性的标准分类
【标准号】:ASTMG64-1999(2005)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:G01.06
【标准类型】:(Classification)
【标准水平】:()
【中文主题词】:铝;分类系统;应力腐蚀;磨损;合金;裂开;耐腐蚀性;金属;腐蚀
【英文主题词】:alphabeticalstress-corrosionratings;heat-treatablealuminumalloys;laboratorycorrosiontests;practicalinterpretationofratings;serviceexperience;stress-corrosiontracking
【摘要】:1.1ThisclassificationcoversalphabeticalratingsoftherelativeresistancetoSCCofvariousmillproductformsofthewrought2XXX,6XXX,and7XXXseriesheat-treatedaluminumalloysandtheprocedurefordeterminingtheratings.1.2Theratingsdonotapplytometalinwhichthemetallurgicalstructurehasbeenalteredbywelding,forming,orotherfabricationprocesses.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H25
【国际标准分类号】:77_120_10
【页数】:4P.;A4
【正文语种】: