IEEE 802.15.4d-2009 信息技术.系统间的通信和信息交换.局域网和城域网.专门要求.第15-4部分:低速率无线个人区域网(WPANs)的无线介质访问控制(MAC)和物理层(PHY)规范.修改件3:支持日本950MHz频段的替代物理层扩展

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【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems-Localandmetropolitanareanetworks;Specificrequirements-Part15.4:WirelessMediumAccessControl(MAC)andPhysicalLayer(PHY)specificationsforLow-RateWirele
【原文标准名称】:信息技术.系统间的通信和信息交换.局域网和城域网.专门要求.第15-4部分:低速率无线个人区域网(WPANs)的无线介质访问控制(MAC)和物理层(PHY)规范.修改件3:支持日本950MHz频段的替代物理层扩展
【标准号】:IEEE802.15.4d-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】:美国电气电子工程师学会(US-IEEE)
【起草单位】:IEEE
【标准类型】:()
【标准水平】:()
【中文主题词】:频带;电路网络;传播方式;数据通信;数据网络;数据处理;数据传送;描述;频率;信息处理;接口(数据处理);日本;LAN;局域网;管理;媒体访问控制;城域网;网络互连;物理层;安全性;无线的
【英文主题词】:Bandoffrequencies;Circuitnetworks;Communicationprocesses;Datacommunication;Datanetwork;Dataprocessing;Datatransfer;Descriptions;Frequencies;Informationprocessing;Interfaces(dataprocessing);Japan;LAN;Localareanetworks;Management;Mediumaccesscontrol;Metropolitanareanetworks;Networkinterconnection;Physicallayers;Safety;Wireless
【摘要】:ThisamendmenttoIEEEStd802.15.4-2006islimitedtodefininganewPHYandsuchchangestotheMACasarenecessarytosupportanewfrequencyallocation(950MHz)inJapan.TheamendmentshallcompletelyfollowthenewtechnicalconditionsdescribedinJapaneseministerialordinance.Theamendmentshallcoexistwithpassivetagsystemsintheband.
【中国标准分类号】:L78
【国际标准分类号】:35_110
【页数】:39P.;A4
【正文语种】:英语


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【英文标准名称】:Petroleumandnaturalgasindustries-Steelpipesforuseascasingortubingforwells(ISO11960:2011);EnglishversionENISO11960:2011,onlyonCD-ROM
【原文标准名称】:石油和天然气工业.油气井套管或油管用钢管(ISO11960-2011);英文版本ENISO11960-2011,仅用于CD-ROM
【标准号】:DINENISO11960-2011
【标准状态】:现行
【国别】:德国
【发布日期】:2011-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Acceptancespecification;Ascendingpipes;Bores;Casingpipes;Charpy;Chemicalcomposition;Couplingequipment;Couplingparts;Defects;Definitions;Deliveryconditions;Dimensions;Imperfections;Inspection;Manufacturing;Marking;Materialsspecification;Mechanicalproperties;Naturalgasextraction;Naturalgasindustries;Oilindustries;Oilproduction;Orderindications;Petroleumpipelinesystem;Petroleumproducts;Pipecouplings;Production;Properties;Qualityassurance;Specification(approval);Steelpipes;Steeltubes;Tensiletesting;Tensiletests;Testing;Tolerances(measurement);Tubing;Wells
【摘要】:1.1ThisInternationalStandardspecifiesthetechnicaldeliveryconditionsforsteelpipes(casing,tubingandpupjoints),couplingstock,couplingmaterialandaccessorymaterialandestablishesrequirementsforthreeProductSpecificationLevels(PSL-1,PSL-2,PSL-3).TherequirementsforPSL-1arethebasisofthisInternationalStandard.TherequirementsthatdefinedifferentlevelsofstandardtechnicalrequirementsforPSL-2andPSL-3,forallGradesexceptH-40,L-809CrandC110,arecontainedinAnnexH.ForpipescoveredbythisInternationalStandard,thesizes,massesandwallthicknessesaswellasgradesandapplicableend-finishesarelistedinTablesC.1andC.2andTablesE.1andE.2.Byagreementbetweenthepurchaserandmanufacturer,thisInternationalStandardcanalsobeappliedtootherplain-endpipesizesandwallthicknesses.ThisInternationalStandardisapplicabletothefollowingconnectionsinaccordancewithAPISpec5B:-shortroundthreadcasing(SC);-longroundthreadcasing(LC);-buttressthreadcasing(BC);-non-upsettubing(NU);-externalupsettubing(EU);-integraltubingconnections(IJ).Forsuchconnections,thisInternationalStandardspecifiesthetechnicaldeliveryconditionsforcouplingsandthreadprotection.Supplementaryrequirementsthatcanoptionallybeagreedforenhancedleakresistanceconnections(LC)aregiveninA.11SR22.ThisInternationalStandardcanalsobeappliedtotubularswithconnectionsnotcoveredbyISO/APIstandards.1.2ThefourgroupsofproductstowhichthisInternationalStandardisapplicableincludethefollowinggradesofpipe:-Group1:AllcasingandtubinginGradesH,J,K,NandR;-Group2:AllcasingandtubinginGradesC,L,MandT;-Group3:AllcasingandtubinginGradeP;-Group4:AllcasinginGradeQ.1.3CasingsizeslargerthanLabel1:4-1/2butsmallerthanLabel1:10-3/4canbespecifiedbythepurchasertobeusedintubingservice,seeTablesC.1,C.23,C.27andC.28orTablesE.1,E.23,E.27andE.28.1.4Supplementaryrequirementsthatcanoptionallybeagreedbetweenpurchaserandmanufacturerfornon-destructiveexamination,fullymachinedcouplingblanks,upsetcasing,electric-weldedcasing,tubingandpupjoints,impacttesting,sealringcouplings,testcertificates,tensiletestingandsulfidestresscrackingtestingaregiveninAnnexA.1.5ThisInternationalStandardisnotapplicabletothreadingrequirements.
【中国标准分类号】:E92
【国际标准分类号】:75_180_10;77_140_75
【页数】:292P.;A4
【正文语种】:英语


【英文标准名称】:Limitsandmethodsofmeasurementofradiodisturbancecharacteristicsofinformationtechnologyequipment
【原文标准名称】:信息技术设备无线电干扰特性的测量方法与极限
【标准号】:BSEN55022-1995
【标准状态】:作废
【国别】:英国
【发布日期】:1995-04-15
【实施或试行日期】:1995-04-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:测量;无线电干扰;计算机外部设备;乱真信号;干涉;计算机元部件;射频;试验设备;数据处理设备;计算机;干扰;电磁兼容性;干扰抑制;数据处理
【英文主题词】:computers;measurement;radiodisturbances;computercomponents;dataprocessingequipment;computerperipheralequipment;electromagneticcompatibility;dataprocessing;interference(wavephysics);interferencesuppression;noise(spurioussignals);radiofrequencies;testequipment
【摘要】:
【中国标准分类号】:L06
【国际标准分类号】:33_100_10;35_020
【页数】:46P.;A4
【正文语种】:英语