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【英文标准名称】:Sealingmaterialsformetallicthreadedjointsincontactwith1st,2ndand3rdfamilygasesandhotwater-Part3:UnsinteredPTFEtapes;GermanversionEN751-3:1996
【原文标准名称】:与第1,第2及第3族气体及热水接触的金属螺纹连接部位用的密封材料.第3部分:非烧结的PTFE密封带
【标准号】:EN751-3-1997
【标准状态】:现行
【国别】:
【发布日期】:1997-08
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:塑料带;密封层(剂);密封带;作标记;燃气技术;聚四氟乙烯;城市煤气;热水;天然气;液化石油气;安装;螺纹连接;加热装置;燃气动力装置;试验;密封材料;规范(验收);定义
【英文主题词】:Definition;Definitions;Gastechnology;Gas-powereddevices;Heatinginstallations;Hotwater;Installations;Liquefiedpetroleumgas;Marking;Naturalgas;Plasticstapes;Polytetrafluoroethylene;PTFE;Screwedconnections;Sealants;Sealingmaterials;Sealingstrips;Specification(approval);Testing;Towngas
【摘要】:
【中国标准分类号】:Q24
【国际标准分类号】:23_040_80
【页数】:8P.;A4
【正文语种】:英语


【英文标准名称】:Mechanicalvibrationandshock-Vibrationandshockinbuildingswithsensitiveequipment-Part2:Classification
【原文标准名称】:机械振动与冲击具有敏感设备的建筑物的振动和冲击第2部分:分类
【标准号】:ISO/TS10811-2-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-06
【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/TC108
【标准类型】:()
【标准水平】:()
【中文主题词】:测量;电子仪器;电子设备;建筑物;振动;力学;数据表示;试验;试验;冲击;放置;振动试验;分类
【英文主题词】:Buildings;Classification;Datarepresentation;Electronicequipment;Electronicinstruments;Lay;Measurement;Mechanic;Shock;Testing;Vibration;Vibrationtests
【摘要】:ThispartofISO/TS10811definesamethodfortheclassificationofshockandvibrationinbuildingsfrommeasurementsinaccordancewithISO/TS10811-1.Aclassificationsystemofenvironmentalvibrationconditionsshouldserveasguidelinesfordesigners,manufacturersandusersofequipmentsensitivetoshockandvibration,andforbuildingconstructors.Thetypesofshockandvibrationconsideredarethosetransmittedfromfloors,tables,walls,ceilingsorisolationsystemsintoanequipmentunit.Theycanbegeneratedbythefollowing:a)externalsources,forexampletraffic(byroad,railorair),orbuildingandconstructionactivitiessuchasblasting,pilingandvibratorycompaction;thevibrationresponsetosonicboomsandacousticalexcitationsisalsoincluded,aswellasweather-inducedvibration;b)equipmentforindooruse,suchaspunchpresses,forginghammers,rotaryequipment(aircompressors,airconditionersystems,etc.)andheavyequipmenttransportedoroperatedinsideabuilding;c)humanactivitiesinconnectionwiththeserviceoroperationoftheequipment,forexample,peoplewalking,especiallyonraisedfloors.Thefrequencyrangeofinterestisnormally2Hzto200Hz.Normallythedominantfrequenciesarelessthan100Hzbecausetheyrepresenttheresponseoftheelementsinthebuilding.ThispartofISO/TS10811dealsonlywithvibrationfromamaximumamplitudepointofview.Theconceptofvibrationdose(forexampleasforestimationoffatiguelife)isnottreated.
【中国标准分类号】:J04
【国际标准分类号】:91_120_25
【页数】:16P.;A4
【正文语种】:英语