【英文标准名称】:StandardTestMethodsforMeasurementofPhysicalPropertiesofCottonFibersbyHighVolumeInstruments
【原文标准名称】:用大容量仪器测量棉纤维物理性能的标准试验方法
【标准号】:ASTMD5867-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:试验;棉纤维;细度;纺织纤维;棉花;物理性能;同一
【英文主题词】:color;cotton;elongation;fineness;HVI;length;micronaire;strength;tenacity;trash;uniformity
【摘要】:1.1Thesetestmethodscoverthecolor,trashcontent,micronaire,length,lengthuniformity,strengthandelongationofcottonfibersusingtheSpinlabSystemHVI900SAortheMotionControl,Inc.SystemsHVI3500andHVI4000thatareaseriesofinstrumentsconnectedtosinglededicatedprogrammedcomputers.1.2Thesetestmethodsareapplicabletoloosefiberstakenfromraworpartiallyprocessedcottonandsometypesofcottonwaste.1.3Thesetestmethodscontainthefollowingsections:1.4Thevaluesstatedinbothinch-poundandSIunitsaretoberegardedseparatelyasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.5ThistestmethodcoversthecomparisonofthecolorofrawcottonwiththeofficialstandardsoftheUnitedStatesDepartmentofAgricultureforColorGradeofcottonbymeansofacottoncolorimeteroftheNickerson-Huntertype.ItcanbeusedtomeasurethecolorofanytypeofrawcottonbutisparticularlyapplicabletoUplandandAmericanPimacotton,forwhichofficialgradeStandardshavebeenestablished.1.6Theinstrumentemploystheuseofaprogrammablemicroprocessorwithmemoryforcontrollinginternaloperationsandperformingrequiredcalibration,calculation,anddatapresentation.Note1Foranothermethoddescribingthemeasurementofthecolorofrawcotton,refertoTestMethodD2253.1.7Thistestmethoddescribesthemeasurementoftheamountoftrashasseenbyavideocamerafocusedonthesurfaceofatestspecimenofcottonpressedagainstaglasswindow.Note2Foranothermethoddescribingthemeasurementoftrashornon-lintcontentofcotton,refertoTestMethodD2812.1.8Theinstrumentmaybeincorporatedwithinthespaceoccupiedbyandadjacenttotheapparatustomeasurecolorofrawcotton(seeSections),thuspermittingsimultaneousmeasurementofcolorandtrashonthesametestspecimen.1.9Thistestmethoddescribesthedeterminationofthemicronaireofloosecottonbymeasuringtheresistanceofaplugofcottontoairflowunderprescribedconditions.Theinstrumentemploysaprogrammedmicroprocessorwithmemoryforcontrollinginternaloperationandperformingrequiredcalibration,adjustments,calculations,anddatapresentation.Foranothermethoddescribingthedeterminationofmicronaire,refertoTestMethodD1448.1.10Themeasurementoflengthandlengthuniformityismadebyoutputtingavoltagedirectlyproportionaltotheamountoffiberinthepreparedspecimenatagivendistancefromthebaseofthetestbeard.TheSpinlabsystemusesafibrograph-typephotoelectricalinstrument.TheMotionControlsystemusesalengthanalyzerpneumaticinstrument.Note3Foranothermethoddescribingthemeasurementofcottonfiberlength,refertoTestMethodD1447.1.11Thistestmethoddescribesthedeterminationofthebreakingtenacityandelongationatthebreakingforceofcottonfibersinatestspecimeninwhichfibershavebeenplacedrandomlyinaspecimencomborclampandbrokenusing(3.2-mm)1/8-in.clampspacing.Inthecottontextileindustry,thisphysicalpropertyisusuallycalled"strength".Note4Forothermethodscoveringthemeasurementofcottonfiberstrength,refertoTestMethodD1445.
【中国标准分类号】:W10
【国际标准分类号】:59_060_10
【页数】:8P.;A4
【正文语种】:
基本信息
标准名称: | 消防吸水胶管性能要求和试验方法 |
英文名称: | Rubber suction hose for fire-fighting purpose performance requirements and test methods |
中标分类: |
医药、卫生、劳动保护 >>
消防 >>
消防设备与器材 |
ICS分类: |
流体系统和通用件 >>
管道部件和管道 >>
软管和软管组件
|
替代情况: | 被GB 6969-2005代替 |
发布部门: | 国家标准局 |
发布日期: | 1986-01-01 |
实施日期: | 1987-08-01 |
首发日期: | 1986-11-01 |
作废日期: | 2006-04-01 |
主管部门: | 公安部 |
归口单位: | 全国消防标准化技术委员会 |
起草单位: | 上海消防科学研究所 |
出版社: | 中国标准出版社 |
出版日期: | 1987-08-01 |
页数: | 平装16开, 页数:10, 字数:15000 |
适用范围
本标准适用于抽吸消防用水的直管式和盘管式消防吸水胶管。消防吸水胶管由橡胶层、胶布层、螺旋加强线组成。
前言
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引用标准
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所属分类: 医药 卫生 劳动保护 消防 消防设备与器材 流体系统和通用件 管道部件和管道 软管和软管组件