GB/T 29.2-1988 十字槽凹穴六角头螺栓
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基本信息
标准名称: | 十字槽凹穴六角头螺栓 |
英文名称: | Cross recessed hexagon bolts with indentation |
中标分类: |
机械 >>
通用零部件 >>
紧固件 |
ICS分类: |
机械系统和通用件 >>
紧固件 >>
螺栓、螺钉、螺柱
|
替代情况: | GB 29-1976 |
发布部门: | 中国机械工业联合会 |
发布日期: | 1988-06-24 |
实施日期: | 1989-07-01 |
首发日期: | 1958-10-07 |
作废日期: | 1900-01-01 |
主管部门: | 中国机械工业联合会 |
归口单位: | 全国紧固件标准化技术委员会 |
起草单位: | 机械标准化所 |
出版日期: | 1900-01-01 |
页数: | 3页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 机械 通用零部件 紧固件 机械系统和通用件 紧固件 螺栓 螺钉 螺柱
【英文标准名称】:RecommendedPracticeforHandlingReleasesofFlammableandCombustibleLiquidsandGases
【原文标准名称】:可燃和易燃液体及气体操作泄漏量用推荐的实施规程
【标准号】:ANSI/NFPA329-2010
【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】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:可燃液体;防火;可燃的;泄漏量;地下
【英文主题词】:Combustibleliquids;Fireprotection;Flammable;Leakage;Underground
【摘要】:1-1.1Thisrecommendedpracticeprovidesappropriatemethodsforrespondingtofireandexplosionhazardsresultingfromthereleaseofaflammableorcombustibleliquid,gas,orvaporthatcouldmigratetoasubsurfacestructure.Althoughthisrecommendedpracticeisintendedtoaddressonlythesefireandexplosionhazards,otherauthoritiesshouldbeconsultedregardingtheenvironmentalandhealthimpactandotherhazardousconditionsofsuchreleases.1-1.2Thisrecommendedpracticeoutlinesoptionsfordetectingandinvestigatingthesourceofarelease,formitigatingthefireandexplosionhazardsresultingfromtherelease,andfortracingthereleasedliquidbacktoitssource.Theseoptionsarenotintendedtobe,norshouldtheybeconsideredtobe,all-inclusiveormandatoryinanygivensituation.Ifbetterormoreappropriatealternativemethodsareavailable,theyshouldbeused.1-1.3Theproceduresoutlinedinthisrecommendedpracticecanapplytohazardoussubstancesotherthanflammableandcombustibleliquidsthatcouldhaveadversehumanhealtheffects.However,thephysicalcharacteristicsofthehazardoussubstancereleasedmustbeunderstoodbeforetakinganyaction.Itshouldberecognizedthatotherauthorities,suchasfederalorstatehazardousmaterialspersonnel,shouldbeconsultedregardingtheenvironmentalandhealthimpactandotherhazardousconditionsofthesesubstances.GuidanceregardingmaximumacceptablelevelsofthesesubstancescanbefoundintheMaterialSafetyDataSheet(MSDS);OSHA29CFR1910.1000,SubpartZ;otherOSHAsubstance-specificstandards;ACGIHThresholdLimitValues(TLV)forChemicalSubstancesand,PhysicalAgents;andtheNIOSHPocketGuidetoChemicalHazards.1-1.4*Theconditioncreatedbythereleasesofliquidsandvaporsinsubsurfacestructurescanbegroupedintothefollowingtwoclasses:(1)Flammable(2)InjurioustolifeThelatterconditionresultsfromthetoxicorsuffocatingpropertiesofthegasesorvapors.Someoftheseliquidsandgasesfallintobothclasses.Whilethispublicationdealsprimarilywiththeflammablelimitsassociatedwithliquidsandgases,someofwhicharelistedinTableA-1-1.4,additionalprecautionscouldberequiredtoprotectagainsthealthhazards.Anexampleisbenzene;itsdangerousbreathingconcentrationisonlyasmallfractionofthelowerflammablelimit(LFL).1-1.5Theresponsibilityforproperhandlingofasuspectedreleaseofflammableandcombustibleliquidsandgases,orapotentialhazardfromsucharelease,willbesharedbyvariousindividuals,organizations,andregulatoryagencies.Thesuccessfulhandlingoftheseproblemswilldependonthebestpossiblecooperationbetweenthem.Thisrecommendedpracticeisintendedfortheinformationofallorganizationsandpersonsinvolved.Owners,operators,orothersbecomingawareofahazardousconditionshouldnotifythefiredepartment,police,orotherproperauthority.1-1.6TheNationalFireProtectionAssociationdoesnot,bythepublicationofthisrecommendedpractice,recommendactionthatisnotincompliancewithapplicablelawsandregulationsandshouldnotbeconsideredasdoingso.Usersofthisrecommendedpracticeshouldconsultallapplicablefederal,state,andlocallawsandregulations,especiallywithrespecttoanyapplicablereportingrequirements.
【中国标准分类号】:A80
【国际标准分类号】:13_300
【页数】:
【正文语种】:英语
【英文标准名称】:Householdscissors(trimmershears);dimensions,material
【原文标准名称】:家用剪刀(修剪).尺寸、材料
【标准号】:DIN32608-1976
【标准状态】:现行
【国别】:德国
【发布日期】:1976-08
【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】:表面;尺寸;作标记;材料;硬度;形状;设计;公差;名称与符号;剪刀
【英文主题词】:surfaces;shape;tolerances(measurement);scissors;marking;hardness;dimensions;designations;design;materials
【摘要】:Householdscissors(trimmershears);dimensions,materialCiseauxdeménage(ciseauxdecouture);dimensions,matérial
【中国标准分类号】:Y73
【国际标准分类号】:4545
【页数】:2P;A4
【正文语种】:德语