JB/T 6868-1993 冲击台 技术条件

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基本信息
标准名称:冲击台 技术条件
中标分类: 仪器、仪表 >> 试验机与无损探伤仪器 >> 机械振动、冲击设备与动平衡机
替代情况:被JB/T 6868-2008代替
发布部门:长春试验机所
发布日期:1993-07-09
实施日期:1994-01-01
首发日期:1900-01-01
作废日期:2008-09-01
归口单位:长春试验机所
出版日期:1900-01-01
页数:9 页
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所属分类: 仪器 仪表 试验机与无损探伤仪器 机械振动 冲击设备与动平衡机
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【英文标准名称】:StandardSpecificationforFlexible,LowPermeanceVaporRetardersforThermalInsulation
【原文标准名称】:隔热用柔性低渗透性蒸汽缓凝剂标准规范
【标准号】:ASTMC1136-2010
【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】:C16.33
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:flexible;lowpermeance;thermalinsulation;vaporretarders;Condensation;Flammability--buildingmaterials;Humidity;Low-temperatureserviceapplications;Puncturetesting;Thermalinsulatingmaterials--specifications;Thermalinsulatingmaterials(wat
【摘要】:Entrapmentofwaterinthermalinsulationcausedbycondensationofwatervaporthathaspenetratedintotheinsulationisdetrimentaltothethermalresistanceoftheinsulation.Forthisreason,incertaininstallationswheretemperatureandmoistureconditionshavethepotentialtocreateavapordrivingforcetowardtheinsulation,adeterrenttothepassageofsuchvaporintotheinstalledinsulationneedstobeprovided.Thisistheprimaryfunctionofthevaporretarder.Inadditiontothefunctionstatedin9.1,avaporretarderhasthepotentialtoprovidephysicalprotectionandaddedstrengthtotheinsulationsystem.Thisspecificationisusedtospecifymaterialbyphysicalpropertyrequirementsthataddresstheaboveprerequisites.Thedesignerofaninsulationsystem,afterdeterminingthedegreeofprotectionneededfortheinsulation,canusethisspecificationtospecifytheappropriatetypeofvaporretarderwhenoneisrequired.1.1Thisspecificationcoversvaporretardersforthermalinsulation,specifically,flexiblematerialswithpermeanceof0.10permorlowerandsurfaceburningcharacteristicsof25flamespread/50smokeorlower.Thesematerialsareintendedforuseatsurfacetemperaturesofx2212;20to150x00B0;F(x2212;29to66x00B0;C).Itdoesnotcovermasticsorbarriercoatingsappliedinliquidform,normaterialsintendedforuseasweatherbarriers.1.2ThisisamaterialspecificationanddoesnotimplythataninstalledsystemusingthesematerialswillprovidethephysicalpropertiesspecifiedinSection6.1.3Thisspecificationprovidesphysicalrequirementsforvaporretarders.PracticeC755providesassistanceinsolvingproblemsrelatedtomoisturevaportransmissionthroughthermalinsulationmaterials.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thefollowingprecautionarycaveatpertainstothetestmethodsportiononly,Section10,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q25
【国际标准分类号】:91_100_60
【页数】:4P.;A4
【正文语种】:英语


【英文标准名称】:Machineryforforestry-Portablechain-sawsafetyrequirementsandtesting-Part2:Chain-sawsfortreeservice(ISO11681-2:2011);GermanversionENISO11681-2:2011
【原文标准名称】:林业机械.便携式链锯的安全要求和测试.第2部分:林木保养用链锯
【标准号】:DINENISO11681-2-2012
【标准状态】:现行
【国别】:德国
【发布日期】:2012-04-01
【实施或试行日期】:2012-04-01
【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】:Accidentprevention;Anatomicalconfigurations;Anatomy;Blowback;Carburettors;Chainguard;Chainsaws;Chips;Clutches;Contactsafetydevices;Cutting;Data;Definitions;Design;Drivebyinternalcombustionengine;Emergency;Emission;Equilibrium;Equipmentsafety;Ergonomics;Exhaustgases;Firehazards;Fixings;Forestryequipment;Forestrymachines;Handshields;Handleshafts;Hazards;Heat;Heating;Impact;Information;Inhalation;Injuries;Internalcombustionengines;Lubrication;Marking;Measurement;Measuringtechniques;Motors;Noiseemissions;Noise(environmental);Occupationalsafety;Openings;Operatinginstructions;Operationalinstructions;Performancetests;Portable;Portablechainsaws;Powersaws;Protectivemeasures;Safetyengineering;Safetyofmachinery;Safetyofproducts;Safetyrequirements;Saws;Signals;Slipping;Specification(approval);Stress;Stumble;Symbols;Tanks(containers);Testing;Treeculture;Userinformation;Velocity;Vibration;Warningdevices;Woodculture;Workplacesafety;Zonesofcomfort
【摘要】:
【中国标准分类号】:B95
【国际标准分类号】:65_060_80
【页数】:38P;A4
【正文语种】:德语