【英文标准名称】:StandardTestMethodforNon-LintContentofCotton
【原文标准名称】:棉花中含杂量的标准试验方法
【标准号】:ASTMD2812-2007
【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】:D13.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:棉花;含量测定;皮棉;测试;纺织纤维;纺织品
【英文主题词】:content;cotton;non-lint
【摘要】:Thistestmethodfortestingcottonfornon-lintcontentisconsideredsatisfactoryforacceptancetestingofcommercialshipmentssinceitisthebestavailableprocedureforobtainingobjectivedata.5.1.1Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore),comparativetestsshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,ensurethetestsamplestobeusedareashomogeneousaspossible,aredrawnfromthematerialfromwhichthedisparatetestresultswereobtained,andarerandomlyassignedinequalnumberstoeachlaboratoryfortesting.Thetestresultsfromthetwolaboratoriesshouldbecomparedusingastatisticaltestforunpaireddata,ataprobabilitylevelchosenpriortothetestingseries.Ifabiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsforthatmaterialmustbeadjustedinconsiderationoftheknownbias.Thistestmethodgivesdataonthenon-lintcontentofrawcottonwhichcanbeusedasabasisfor:(1)estimatingthenetamountofmanufacturedtextileproductobtainablefromrawcotton;(2)predictingthequalityofcottontextileproducts,particularlytheiraestheticproperties;(3)assemblingandblendingbalesinamixonanon-lintcontentbasis;(4)adjustingginningandtextileprocessingmachinesformaximumefficiencyincleaninglint;and(5)relatingnon-lintcontentofcottontoend-productqualityandprocessingefficiency.1.1Thistestmethodcoversthedeterminationofthenon-lintcontentofcottonusingtheShirleyAnalyzer.Thecottonmaybeintheformof(1)rawstock,thatis,cottonfiberthathasbeenseparatedfromtheseedbyginning;(2)partiallyprocessedcotton,suchaspickerlaporsliver;or(3)ginningorprocessingwaste,suchasobtainedfromginning,openingandcleaning,picking,carding,orcombingmachines.1.2Thistestmethodisespeciallyadaptedfordeterminingnon-lintcontentofcottonbyuseoftheShirleyAnalyser.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection7.
【中国标准分类号】:B32
【国际标准分类号】:59_060_10
【页数】:5P.;A4
【正文语种】:
基本信息
| 标准名称： | 反射速调管极间漏电流的测试方法 |
| 英文名称： | Measurement of interelectrode leakage current of reflex klystrons |
| 中标分类： |
综合 >>
标准化管理与一般规定 >>
技术管理 |
| 发布日期： | 1973-02-26 |
| 实施日期： | 1973-07-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 1页 |
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所属分类： 综合 标准化管理与一般规定 技术管理