JB/T 9520-1999 上皿光学天平
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来源:标准资料网
基本信息
| 标准名称： | 上皿光学天平 |
| 英文名称： | Top loading optical balance |
| 中标分类： |
仪器、仪表 >>
实验室仪器与真空仪器 >>
实验室基础设备 |
| ICS分类： |
化工技术 >>
分析化学 >>
化学实验室、实
|
| 替代情况： | ZB Y174-1983;标准适用范围太窄，仅个别企业和产品适用，属于企业标准范畴。 |
| 发布部门： | 国家机械工业局 |
| 发布日期： | 1999-08-06 |
| 实施日期： | 2000-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 2010-01-20 |
| 提出单位： | 长沙科学仪器研究所 |
| 归口单位： | 长沙科学仪器研究所 |
| 起草单位： | 长沙科学仪器研究所 |
| 出版社： | 机械工业出版社 |
| 出版日期： | 2000-01-01 |
| 页数： | 8页 |
| 批文号： | 国机管[1999]422 |
适用范围
本标准规定了上皿光学天平的基本参数、技术要求、试验方法及检验规则、标志、包装。
本标准适月于上皿光学天平(以下简称天平)。
前言
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目录
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引用标准
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所属分类： 仪器 仪表 实验室仪器与真空仪器 实验室基础设备 化工技术 分析化学 化学实验室 实
【英文标准名称】:StandardSpecificationforElectrodepositedCoatingsofTin
【原文标准名称】:锡电解沉积层的标准规范
【标准号】:ASTMB545-1997(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1997
【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】:B08.08.04
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:electrodepositedtin;electroplatedtin;tin;tincoatings;Bendtesting--coatings;Burnishingtest--forcoatingadhesion;Coatingadhesion--electrodepositedcoatings;Copperalloyelectrodepositedcoatings;Electrodepositedcoatings--specifications;
【摘要】:1.1Thisspecificationcoverstherequirementsforelectrodeposited(electroplated)coatingsoftinappliedtometallicarticles.Tincoatingsareusedtoprovidealowcontact-resistancesurface,toprotectagainstcorrosion(see1.2),tofacilitatesoldering,toprovideanti-gallingproperties,andtobeastopoffcoatinginthenitridingofhigh-strengthsteels.1.2Somecorrosioncanbeexpectedfromtincoatingsexposedoutdoors.Innormalindoorexposure,tinisprotectiveoniron,steel,nickel,copper,andtheiralloys.Corrosioncanbeexpectedatdiscontinuitiesinthecoating(suchaspores)duetogalvaniccouplesformedbetweenthetinandtheunderlyingmetalthroughthediscontinuities,especiallyinhumidatmospheres.Porosityincreasesasthecoatingthicknessdecreases,sothatminimumthicknessesmustbespecifiedforeachapplication.Partscoatedwithtincanbeassembledsafelyincontactwithironandsteel,tin-coatedaluminum,yellowchromatedzinc,cadmium,andsoldercoatings.(SeeX5.2foroxidationandcorrosionproperties.)1.3Thisspecificationappliestoelectroplatedcoatingsofnotlessthan99%tin(exceptwheredeliberatelyalloyedforspecialpurposes,asstatedinX6.3)obtainedfromanyoftheavailabletinelectroplatingprocesses(see4.3).1.4Thisspecificationdoesnotapplytohot-dippedtinorothernon-electrodepositedcoating;italsodoesnotapplytomillproducts.Formillproducts,refertoSpecificationsA623orA623M.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:8P.;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforThermographicInspectionofInsulationInstallationsinEnvelopeCavitiesofFrameBuildings
【原文标准名称】:框架建筑物外壳内腔的绝热设施的温度记录检验用标准实施规程
【标准号】:ASTMC1060-2011a
【标准状态】:现行
【国别】:
【发布日期】:2011
【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】:C16.30
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:建筑物外壳;红外线的;现场;隔热;墙壁系统;工艺;绝热材料;温度记录器检测;墙;木质框架建筑
【英文主题词】:buildingenvelope;infrared;in-situ;thermalinsulation;wallsystems;workmanship;Thermalinsulatingmaterials;Thermographicinspection;Walls;Woodframeconstructions
【摘要】:Althoughinfraredimagingsystemshavethepotentialtodeterminemanyfactorsconcerningthethermalperformanceofawall,roof,floor,orceiling,theemphasisinthispracticeisondeterminingwhetherinsulationismissingorwhetheraninsulationinstallationismalfunctioning.Anomalousthermalimagesfromotherapparentcausesmayalsoberecordedassupplementalinformation,eventhoughtheirinterpretationmayrequireproceduresandtechniquesnotpresentedinthispractice.1.1Thispracticeisaguidetotheproperuseofinfraredimagingsystemsforconductingqualitativethermalinspectionsofbuildingwalls,ceilings,roofs,andfloors,framedinwoodormetal,thatmaycontaininsulationinthespacesbetweenframingmembers.Thisprocedureallowsthedetectionofcavitieswhereinsulationmaybeinadequateormissingandallowsidentificationofareaswithapparentlyadequateinsulation.1.2Thispracticeoffersreliablemeansfordetectingsuspectedmissinginsulation.Italsooffersthepossibilityofdetectingpartial-thicknessinsulation,improperlyinstalledinsulation,orinsulationdamagedinservice.Proofofmissinginsulationoramalfunctioningenveloperequiresindependentvalidation.Validationtechniques,suchasvisualinspectionorin-situR-valuemeasurement,arebeyondthescopeofthispractice.1.3Thispracticeislimitedtoframeconstructioneventhoughthermographycanbeusedonallbuildingtypes.,1.4Instrumentationandcalibrationrequiredunderavarietyofenvironmentalconditionsaredescribed.Instrumentationrequirementsandmeasurementproceduresareconsideredforinspectionsfrombothinsideandoutsidethestructure.Eachvantagepointoffersvisualaccesstoareashiddenfromtheotherside.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Theinch-poundunitsgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Inparticular,cautionshouldbetakeninthehandlingofanycryogenicliquidsorpressurizedgasesrequiredforuseinthispractice.SpecificprecautionarystatementsaregiveninNote1andNote3.
【中国标准分类号】:P31
【国际标准分类号】:
【页数】:7P.;A4
【正文语种】:
