NF E22-343-2-2009 滚动轴承.套管式直线球轴承用附件.第2部分:系列5的边界尺寸和公差
时间:2024-05-28 02:21:02 来源: 标准资料网 作者：标准资料网 阅读：9728
【英文标准名称】:Rollingbearings-Accessoriesforsleevetypelinearballbearings-Part2:boundarydimensionsandtolerancesforseries5.
【原文标准名称】:滚动轴承.套管式直线球轴承用附件.第2部分:系列5的边界尺寸和公差
【标准号】:NFE22-343-2-2009
【标准状态】:现行
【国别】:法国
【发布日期】:2009-05-01
【实施或试行日期】:2009-05-08
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:附件;滚珠轴承;轴承;厘米克秒制;循环;定义;耐久性;定义(术语);尺寸公差;尺寸;尺寸规格;外壳;轴承箱;外壳;极限偏差;线性运动循环轴承;滚动轴承;滚动部件;柄;通风道;轴;竖井;轴(旋转);公差(测量)
【英文主题词】:Accessories;Ballbearings;Bearings;CGSsystem;Circulation;Definitions;Dimensionaltolerances;Dimensions;Enclosures;Housings;Limitdeviations;Linearmotionrecirculatingbearings;Rollingbearings;Rollingelements;Shafts;Shafts(rotating);Tolerances(measurement)
【摘要】:
【中国标准分类号】:J11
【国际标准分类号】:21_100_20
【页数】:18P;A4
【正文语种】:其他
【英文标准名称】:Mobileroadconstructionmachinery-Safety-Specificrequirementsforcompactionmachines
【原文标准名称】:移动式筑路机械.安全.第4部分:夯实机械的特殊要求
【标准号】:BSEN500-4-1996
【标准状态】:作废
【国别】:英国
【发布日期】:1996-06-15
【实施或试行日期】:1996-06-15
【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】:警告装置;安全措施;性能试验;设备安全;制动器;施工设备;控制装置;易动的;压路机;职业安全;振动器(压实用);路面铺筑;性能;土方机械;压实机;倾翻保护装置;红外线辐射;道路;制动系统;遥控系统;安全装置;夯锤;压实设备
【英文主题词】:Accidentprevention;Buildingmachines;Compacting;Compactingequipment;Compactors;Definition;Definitions;Design;Earth-movingequipment;Ergonomics;Generalsection;Graphicsymbols;Handlings;Hazards;Healthprotection;Maintenance;Marking;Mechanicalengineering;Messages;Roadconstruction;Roadmakingmachines;Roads;Safety;Safetymeasures;Safetyrequirements;Soilcompaction;Soils;Specification(approval);Transport;Transportable;Transportablestructures;Workingplaces
【摘要】:ThisPartofEN500specifiesthesafetyrequirementsforcompactionmachinesasdefinedinclause3anddealswiththesignificanthazardspertinenttocompactionmachines,whenusedasintendedandinconditionsforeseenbythemanufacturer.
【中国标准分类号】:P97
【国际标准分类号】:93_080_10
【页数】:18P.;A4
【正文语种】:英语
【英文标准名称】:Waterquality-Selectionoftestsforbiodegradability
【原文标准名称】:水质生物降解能力试验选择
【标准号】:ISO/TR15462-1997
【标准状态】:作废
【国别】:国际
【发布日期】:1997-09
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC147
【标准类型】:()
【标准水平】:()
【中文主题词】:水质;定义;方法试验;有机化合物;生物降解能力;水质试验;活性污泥
【英文主题词】:Activatedsludges;Biodegradability;Definition;Definitions;Methodtesting;Organiccompounds;Waterquality;Watertesting
【摘要】:Thebiodegradabilityofsubstancesandwastewateringredientsdependsnotonlyonthemolecularstructuresofthetestmaterial,butalsoonimportantadditionalfactorssuchasthe-aquaticorterrestrialtestenvironment;-aerobicoranaerobictestconditions;-sourceandconcentrationofthemicroorganismsoftheinoculum;-acclimatisationandadaptationoftheinoculum;-concentrationofthetestmaterial;-availabilityofinorganicnutrientsandadditionalorganicmaterialforco-metabolicprocesses;-possibletoxiceffectsofthetestmaterialunderthetestconditions;-physicalandchemicalpropertiesandbioavailabilityofthetestmaterial(e.g.volatility,watersolubility,adsorption);-conditionsandphysicalandchemicalpropertiesofthetestsystem(volumeoftestvessels,static,dynamic,closed,CO2removal,temperature,mixing,shaking,oxygensupply);-testduration;-analyticalparametersused(summaryparameterssuchasDOC,BOD,CO2orsubstancespecificanalysis).Assomanyfactorscaninfluencethetestresultsitisnotpossibletodefinea"true"or"reference"method.Thereproducibilityofthetestresultsusingdifferentmethodsorconditionsorevenusingidenticaltestmethodscanbelowanddifferingtestresultscanbeobtained.Normallyatestmaterialwhichiseithereasilybiodegradableorpoorlybiodegradablewillproducesimilartestresults.So-called"grey"substances,whicharemoderatelybiodegradableandneed,forexample,specialbacteriaorlongadaptationperiods,willoftenproducedisparateresults.Biodegradabilitytestsareusedtoestablishthebiodegradabilityofchemicalstructuresandtopredictthebiodegradationbehaviourofatestmaterialinanaturalortechnicalenvironment.Theaimofeachtestmethodshouldbetosimulate,toacertaindegree,suchanenvironment.Therefore,assomanyfactorscaninfluenceorevenexcludecertainmethods,itisnecessarytohaveasufficientnumberofdifferentstandardizedtestmethodstoallowthechoiceofthebestoneforthespecificpurpose.ItisalsotoberememberedthatitwasISO'sintentiontostandardizethebiodegradationtestsoftheOECDGuidelinesforTestingofChemicals(seeannexB).
【中国标准分类号】:Z50
【国际标准分类号】:13_060_70
【页数】:10P;A4
【正文语种】:英语