【英文标准名称】:StandardTestMethodsforUncompactedVoidContentofFineAggregate(asInfluencedbyParticleShape,SurfaceTexture,andGrading)
【原文标准名称】:细集料中未压实的空隙率的标准试验方法(受颗粒形状,表面状态和粒度的影响)
【标准号】:ASTMC1252-1998
【标准状态】:作废
【国别】:美国
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:空隙;受颗粒影响;受颗粒影响;集料;细集料;曲线度;细的;未压实空隙率;试验;表面纹理;分级;砂;形状;颗粒形状
【英文主题词】:surfacetexture;fine;asinfluencedbyparticle;sand;grading;test;voids;shape;angularity;asinfluencedbyparticle;fineaggregate;uncompactedvoidcontent;particleshape;aggregate
【摘要】:
【中国标准分类号】:Q13
【国际标准分类号】:91_100_15
【页数】:
【正文语种】:英语
基本信息
| 标准名称： | 汽车或发动机配套产品质量控制要求 |
| 中标分类： |
车辆 >>
汽车 >>
汽车综合 |
| 替代情况： | Q/HBm 95-1995 |
| 发布日期： | 2002-04-01 |
| 实施日期： | 2002-05-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 44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： 车辆 汽车 汽车综合
【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】: