HG 2-19886-1976 201×7强碱性季胺I型阴离子交换树脂
时间:2024-05-06 18:36:40 来源: 标准资料网 作者：标准资料网 阅读：9285
基本信息
| 标准名称： | 201×7强碱性季胺I型阴离子交换树脂 |
| 中标分类： |
化工 >>
合成材料 >>
合成树脂、塑料 |
| 替代情况： | 被GB 13660-92代替 |
| 发布日期： | |
| 实施日期： | 2001-03-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
适用范围
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前言
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引用标准
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所属分类： 化工 合成材料 合成树脂 塑料
【英文标准名称】:StandardTestMethodforLinearDensityofElastomericYarns(SkeinSpecimens)
【原文标准名称】:弹性纱线(绞纱样品)线性密度的标准试验方法
【标准号】:ASTMD6717-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D13.58
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:密度;试验方法;试样;纱线
【英文主题词】:elastomericyarn;lineardensity
【摘要】:Thistestmethodisconsideredsatisfactoryforacceptancetestingofcommercialshipmentsbecausecurrentestimatesofbetween-laboratoryprecisionareacceptableandthemethodisusedextensivelyinthetradeforacceptancetesting.5.1.1Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore),comparativetestsshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,usesamplesforsuchcomparativeteststhatareashomogeneousaspossible,drawnfromthesamelotofmaterialasthesamplesthatresultedindisparateresultsduringinitialtesting,andrandomlyassignedinequalnumberstoeachlaboratory.Thetestresultsfromthelaboratoriesinvolvedshouldbecomparedusingastatisticaltestforunpaireddata,ataprobabilitylevelchosenpriortothetestingseries.Ifbiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsforthatmaterialmustbeadjustedinconsiderationoftheknownbias.Lineardensityofelastomericyarnsisusedinsomecalculationsfortensileandelasticproperties.Thetestmethodisbasedonelastomericyarnsintheas-producedcondition,butmaybeusedfortreatedelastomericyarnsprovidedthetreatmentisspecified.Themethoddoesnotcovertheremovaloffinishforthedeterminationoflineardensityofx201C;finish-freex201D;elastomericyarns.1.1Thistestmethodcoversthedeterminationofthelineardensityof"asproduced"elastomericyarnsmadefromrubber,spandexorotherelastomersusingaskein.Note18212;Forthedeterminationoflineardensityofelastomericyarnsusingshortlengthspecimens,refertoTestMethodD2591.1.2Themethodisnotapplicabletocovered,wrapped,orcore-spunyarns,oryarnsspunfromelastomericstaple,orelastomericyarnsremovedfromfabrics.1.3Thistestmethodisapplicabletoelastomericyarnshavingarangeof40to3200dtex(36to2900denier).1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W04
【国际标准分类号】:59_080_20
【页数】:3P.;A4
【正文语种】:
【英文标准名称】:Dentistry.Shanksforrotaryinstruments.Shanksmadeofmetals
【原文标准名称】:牙科学.旋转仪器手柄.金属制手柄
【标准号】:BSENISO1797-1-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-08-31
【实施或试行日期】:2011-08-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Burrs(tools);Classification;Classificationsystems;Classifications;Defects;Definitions;Dental;Dentaldrills;Dentalequipment;Dentalhandpieces;Dentalinstruments;Dentalrotary-cuttinginstruments;Dentistry;Determinations;Dimensionalmeasurement;Dimensions;Drills;Hardness;Inspection;Instruments;Materials;Measurement;Measuringtechniques;Metallic;Metals;Products;Quality;Qualitycontrol;Rotating;Shafts;Shanks;Specifications;Testing
【摘要】:ThisInternationalStandardspecifiesshanksforrotaryinstrumentsusedindentistryandgivesmeasurementmethodsfortheverificationofdimensions.
【中国标准分类号】:C33
【国际标准分类号】:11_060_20
【页数】:18P.;A4
【正文语种】:英语