【英文标准名称】:Methodsofmeasurementforequipmentusedindigitalmicrowaveradiotransmissionsystems-Measurementsonsatelliteearthstations-ServicechannelequipmentforSCPC-PSKtransmission
【原文标准名称】:数字微波无线电传输系统设备的测量方法.第3部分:卫星地面站测量.第11节:SCPC-PSK传输业务信道装置
【标准号】:BSEN60835-3-11-1996
【标准状态】:现行
【国别】:英国
【发布日期】:1996-03-15
【实施或试行日期】:1996-03-15
【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】:通信系统;数字无线电线路;数字信号;地面站;效率;电气工程;测量;测量技术;微波链路;性能;无线电信道;无线电电路;无线电工程;无线电设备;无线电台;无线电系统;无线电通信;额定值;卫星通信;卫星通信链路;服务终端设备;远程通信;通信链路;电信系统;终端装置;传输;传输系统;传输技术
【英文主题词】:Communicationsystems;Digitalradiolinks;Digitalsignals;Earthstations;Efficiency;Electricalengineering;Measurement;Measuringtechniques;Microwavelinks;Performance;Radiochannels;Radiocircuits;Radioengineering;Radioequipment;Radiostations;Radiosystems;Radiocommunication;Ratings;Satellitecommunications;Satellitelinks;Serviceterminalequipment;Telecommunication;Telecommunicationlinks;Telecommunicationsystems;Terminaldevices;Transmission;Transmissionsystems;Transmissiontechnique
【摘要】:ThissectionofIEC835-3dealswithmeasurementscarriedoutonservicechannelequipmentutilizingSCPC-PSK(single-channel-per-carrier,phase-shift-keying)terminals.Themeasurementsdescribedareapplicabletoservicechannelequipmentwithvoiceinter-face.Measurementsonservicechannelfrequencycontrolsystemsarenotincluded.
【中国标准分类号】:M35
【国际标准分类号】:33_060_30
【页数】:12P;A4
【正文语种】:英语


【英文标准名称】:StandardPracticeforSamplingandHandlingNaphthalene,MaleicAnhydride,andPhthalicAnhydride
【原文标准名称】:萘、马来酐和邻苯二甲酸酐取样和搬运的标准实施规程
【标准号】:ASTMD3438-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D16.08
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:maleicanhydride;naphthalene;phthalicandhydride;sampling;Containers--tankcars/wagons;Handlingmaterial--chemicals;Healthhazards;Maleicanhydride;Naphthaandnaphthaderivatives;Naphthalenes;Phthalicanhydride;Safetyprecautions--coatingappl
【摘要】:Thispracticeisissuedtoprovideinformationusefulinestablishingsamplingprocedures.ItisexpectedthatthisinformationwillonlybeutilizedinconjunctionwithanexistinghealthandsafetyprogramandconsultationwithappropriateMSDS.Theinformationprovidedhereincannotbeusedasasubstituteforexpertsafetyandmedicaladvice,butratherasasupplementtosuchadvice.1.1Thispracticecoversproceduresforsamplingandhandlingnaphthalene,maleicanhydride,andphthalicanhydrideinvarioussolidforms,andasliquidsatelevatedtemperaturesinasafemannerthatrepresentsandpreservesquality.1.2AnypersonsamplingorhandlingtheseproductsshouldconsulttheapplicableMaterialSafetyDataSheets(MSDS)forspecificfirstaidinstructionsandinformationontheproperequipmenttohaveavailableforuseintheeventofpersonalcontactorexposure.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSections3,4,5,6,and7.
【中国标准分类号】:G17
【国际标准分类号】:71_080_15
【页数】:3P.;A4
【正文语种】:英语