【英文标准名称】:StandardSpecificationforMineralFiberBlanketThermalInsulationforCommercialandIndustrialApplications
【原文标准名称】:商用和工业用矿物纤维毡隔热的标准规范
【标准号】:ASTMC553-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【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】:C16.23
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:覆盖层;玻璃纤维;高温;矿物纤维隔热;岩石纤维;发射;渣质含量;矿渣纤维
【英文主题词】:blanket;glassfiber;hightemperature;mineralfiberinsulation;rockfiber;shot;shotcontent;slagfiber
【摘要】:1.1Thisspecificationcoverstheclassification,composition,physicalproperties,anddimensionsofmineralfiber(rock,slag,orglass)blanketintendedforuseasthermalinsulationonsurfacesoperatingattemperaturesbetween0x00B0;F(-18x00B0;C)and1200x00B0;F(649x00B0;C).Forspecificapplications,theactualtemperaturelimitsshallbeagreeduponbetweenthesupplierandthepurchaser.1.2Theorientationofthefiberswithintheblanketisprimarilyparalleltotheprincipalsurface(face).Thisspecificationdoesnotcoverfabricatedpipeandtankwrapinsulationwheretheinsulationhasbeencutandfabricatedtoprovideafiberorientationthatisperpendiculartothesurface(face).1.3Forsatisfactoryperformance,properlyinstalledprotectivevaporretardersmustbeusedinbelowambienttemperatureapplicationstoreducemovementofwatervaporthroughoraroundtheinsulationtowardsthecoldersurface.Failuretouseavaporretardercanleadtoinsulationandsystemdamage.RefertoPracticeC921toaidmaterialselection.Althoughvaporretardersarenotpartofthisspecification,propertiesrequiredinSpecificationC1136arepertinenttoapplicationorperformance.1.4Thisstandarddoesnotpurporttoprovidetheperformancerequirementsofhourly-ratedfiresystems.Consultthemanufacturerfortheappropriatesystem.1.5Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcernsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:91_100_60
【页数】:5P.;A4
【正文语种】:


【英文标准名称】:Methodsofmeasurementforequipmentusedindigitalmicrowaveradiotransmissionsystems-Measurementsonsatelliteearthstations-VSATsystems
【原文标准名称】:数字微波无线电发射系统使用设备的测量方法.卫星地面站测量.甚小口径天线地球站(VSAT)系统
【标准号】:BSEN60835-3-13-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-02-15
【实施或试行日期】:1997-02-15
【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】:通信技术;数字连接件;数字工程;数字信号;地面站;效率;测量技术;微波链路;性能;无线电电路;无线电工程;无线电器材;无线电装置;无线电广播发射机;无线电中继系统;额定值;卫星通信;卫星通信链路;通信;电信;终端装置;传输系统;VSAT系统
【英文主题词】:Communicationtechnology;Digitalconnections;Digitalengineering;Digitalsignals;Earthstations;Efficiency;Measuringtechniques;Microwavelinks;Performance;Radiocircuits;Radioengineering;Radioequipment;Radiosystems;Radiotransmitters;Radio-relaysystems;Ratings;Satellitecommunications;Satellitelinks;Telecommunication;Telecommunications;Terminaldevices;Transmissionsystems;VSAT-system
【摘要】:Coversdatatransmit/receiveVSATsinstarandinpoint-to-pointnetworks.Omitsmeasurementsofhubearthstations'equipment.
【中国标准分类号】:M35
【国际标准分类号】:33_060_30
【页数】:28P.;A4
【正文语种】:英语