SAE AMS3813 Rope, Aramid Fiber, Jacketed, for Antenna-Support Systems
时间:2024-05-14 17:26:25 来源: 标准资料网 作者：标准资料网 阅读：9152
Product Code:SAE AMS3813
Title:Rope, Aramid Fiber, Jacketed, for Antenna-Support Systems
Issuing Committee:Ams P Polymeric Materials Committee
Scope:This specification and its supplementary detail specifications cover ropes manufactured from aramid-fiber yarns and covered with a protective jacket. Primarily for nonconductive tension elements in antenna-supports where superior long-term weather resistance and extremely light weight are required. The products specified herein and in the applicable detail specification define each rope by form, material, construction, and property characteristics. The rope construction covered by each detail specification appears as part of the title.
【英文标准名称】:SoundPerformanceRatingofNon-DuctedIndoorAir-ConditioningEquipment
【原文标准名称】:无管道室内空调设备的声音性能评价
【标准号】:ANSI/AHRI350-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:空调;空气调节装置;空调设备;工厂;室内;性能;考核;声音;通风系统
【英文主题词】:Airconditioning;Airconditioninginstallations;Air-conditioningequipment;Factories;Indoors;Performance;Rating;Sound;Ventilationsystems
【摘要】:Thisstandardappliestotheindoorportionsoffactory-madenon-ductedair-conditioningequipment.
【中国标准分类号】:Z32
【国际标准分类号】:91_140_30
【页数】:
【正文语种】:英语
【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】: