DIN 48833-1986 避雷装置.基础地线用垫片
时间:2024-05-14 17:00:09 来源: 标准资料网 作者：标准资料网 阅读：8532
【英文标准名称】:Lightningprotectionsystem;spacerforfoundationearthelectrodes
【原文标准名称】:避雷装置.基础地线用垫片
【标准号】:DIN48833-1986
【标准状态】:作废
【国别】:德国
【发布日期】:1986-08
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电气工程;材料;雷电保护系统;避雷装置;接地极;避雷线;隔离件;基础;尺寸;基础地线;名称与符号;设计;接地;形状
【英文主题词】:electricalengineering;lightningconductors;lightningprotectionsystems;design;foundationearthelectrodes;lightningprotection;earthing;earthelectrodes;foundations;spacers;designations;dimensions;s
【摘要】:
【中国标准分类号】:K49
【国际标准分类号】:2070
【页数】:2P;A4
【正文语种】:德语
【英文标准名称】:High-frequency(HF)cablesandlines;HFlines,pairs,unshielded,characteristicimpedance240
【原文标准名称】:高频电缆电线.对称.无屏蔽的高频电线.特性阻抗240Ω
【标准号】:DIN47261-1959
【标准状态】:作废
【国别】:德国
【发布日期】:1959-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电缆;质量(物质);对称的;高频;作标记;阻尼(波);射频
【英文主题词】:mass;cables;radiofrequency;marking;highfrequencies;damping;symmetrical
【摘要】:
【中国标准分类号】:L91
【国际标准分类号】:1610
【页数】:1P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforEvaluatingMaskingSoundinOpenOfficesUsingA-WeightedandOne-ThirdOctaveBandSoundPressureLevels
【原文标准名称】:用A计权和1/3倍频带声压级评价敞开式办公室间掩蔽声的标准试验方法
【标准号】:ASTME1573-2009
【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】:美国材料与试验协会(US-ASTM)
【起草单位】:E33.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:A-weighted;maskingsound;one-thirdoctaveband;one-thirdoctavebandsoundpressurelevels;openoffices;A-weightedsoundlevel;Maskingsoundmeasurement;One-thirdoctavebandsoundpressurelevels;Open-planspaces;Performance--acousticalsyst
【摘要】:Speechprivacyinanopenofficeisdependentonmanyfactors(seeGuideE1374foradiscussiononopenofficeacousticalconsiderations).Oneofthesefactorsisthemaskingsoundintheoffice.Withoutmaskingsoundintheopenoffice,confidentialspeechprivacyisnotpossibleatnormalvoicelevels.Thefourcriticalacousticalparametersofmaskingsoundareitsspatialuniformity,temporaluniformity,spectrumshape,andlevel.Themeasurementanddeterminationoftheseparametersareaddressedinthistestmethod.Theresultsfromthistestmethodcanbeusedtodetermineifthemaskingsoundmeetsaparticularspecification.1.1ThistestmethodspecifiestheproceduresthatcanbeusedtoevaluatethespatialandtemporaluniformityofmaskingsoundinopenofficesusingA-weightedsoundlevels.Italsospecifiestheprocedureforevaluatingthemaskingsoundspectrumandlevelusingone-thirdoctavebandsoundpressurelevels.1.2TheresultsofthistestmethodcanbeusedtodetermineifthemaskingsoundmeetsaparticularspecificationforspatialandtemporaluniformityifthatspecificationiswrittenintermsofA-weightedsoundlevelsandifthemaskingsoundmeetsaparticularspectrumshapeandlevelintheofficearea.1.3Thistestmethodmustnotbeusedtoevaluatetheacousticalenvironmentinanofficespace.Itisintendedonlytoevaluatethemaskingsoundinanoffice.Thistestmethod,forinstance,doesnotevaluatethelowfrequencyrumblenoisefoundinsomeoffices.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P31
【国际标准分类号】:91_120_20
【页数】:4P.;A4
【正文语种】:英语