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【英文标准名称】:Informationtechnology-Realtimelocatingsystems(RTLS)-Part2:DirectSequenceSpreadSpectrum(DSSS)2,4GHzairinterfaceprotocol
【原文标准名称】:信息技术.实时定位系统(RTLS).第2部分:直接序列扩频(DSSS)2.4GHz远程接口协议
【标准号】:ISO/IEC24730-2-2012
【标准状态】:现行
【国别】:国际
【发布日期】:2012-06
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1/SC31
【标准类型】:()
【标准水平】:()
【中文主题词】:空中接口;应用软件;频带宽度;电路网络;坐标轴;数据采集;数据编码;数据接口;数据网络;数据处理;数据传送;定义;频率范围;识别;信息处理;信息技术;接口;文电;协议;无线电定位;无线电导航;实时的;电讯
【英文主题词】:Airinterfaces;Applicationsoftware;Bandwidths;Circuitnetworks;Coordinateaxis;Dataacquisition;Dataenciphering;Datainterface;Datanetwork;Dataprocessing;Datatransfer;Definitions;Frequencyranges;Identification;Informationprocessing;Informationtechnology;Interfaces;Messages;Protocols;Radiolocation;Radionavigation;Real-time;Telecommunication
【摘要】:
【中国标准分类号】:L78
【国际标准分类号】:35_040
【页数】:6P;A4
【正文语种】:英语


【英文标准名称】:StandardSpecificationforLiquidMembrane-FormingCompoundsHavingSpecialPropertiesforCuringandSealingConcrete
【原文标准名称】:固化混凝土和密封混凝土液膜性化合物特种性能的标准规范
【标准号】:ASTMC1315-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:C09.22
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:acidresistance;adhesionpromoting;alkaliresistance;curingcompounds;liquidmembrane-formingcompounds;sealers;yellowingresistance;Adhesionpromotingcompounds/materials;Alkaliresistance;Concreteconstructionmaterials/applications--spec
【摘要】:1.1Thisspecificationprovidesrequirementsformembrane-formingliquidssuitableforuseascuringcompoundsandsealersonfreshlyplacedconcreteandassealersonhardenedconcrete.Thesemembraneshavespecialproperties,suchas,alkaliresistance,acidresistance,adhesion-promotingqualities,andresistancetodegradationbyUVlight.Note18212;Forliquidmembrane-formingcuringcompoundsspecifiedprimarilybytheirabilitytoretainwaterinnewlyplacedconcrete(andbydryingtime,andforwhitepigmentedproducts,reflectance),seeSpecificationC309.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.(Inchpoundunitsareshowninparentheses).1.3Thefollowingprecautionarycaveatpertainsonlytothetestmethodsportion,Section8,ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4Thisisaperformancespecification.Theallowablecompositionofproductscoveredbythisspecificationislimitedbyvariouslocal,regional,andnationalregulations.Issuesrelatedtoairquality(solventemission),workerexposure,andotherhazardsarenotaddressedhere.Itistheresponsibilityoftheproducersandusersofthesematerialstocomplywithpertinentregulations.Warningx2014;SomeVOCexemptsolventsusedtomeettheregulationsareextremelyflammablewithlowautoignitiontemperaturesandrapidevaporationrates.Consultthemanufacturer''sproductinformationsheetforimportantapplicationandsafetyinformation.
【中国标准分类号】:Q24
【国际标准分类号】:91_100_50
【页数】:5P.;A4
【正文语种】:英语