BS 3365 Pt.2-1987 牙科用硅酸盐与磷硅酸盐粘结剂.第2部分:牙科用磷硅酸盐粘结剂(手工混合)规范
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来源:标准资料网
【英文标准名称】:Dentalsilicatecementanddentalsilico-phosphatecement.Specificationfordentalsilico-phosphatecement(handmixed)
【原文标准名称】:牙科用硅酸盐与磷硅酸盐粘结剂.第2部分:牙科用磷硅酸盐粘结剂(手工混合)规范
【标准号】:BS3365Pt.2-1987
【标准状态】:作废
【国别】:英国
【发布日期】:1987-02-27
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:浸出;稳定性(机械性能);化学成份;机械试验;厚度;光学测量;抗压强度;压缩试验;含量测定;作标记;试样制备;试验条件;试验设备;硅磷酸盐;使用说明;不透明度;时间;牙科学;凝固;牙科材料;牙齿粘结剂;膜(物态);耐化学性试验
【英文主题词】:
【摘要】:
【中国标准分类号】:C33
【国际标准分类号】:
【页数】:16P;A4
【正文语种】:英语
【英文标准名称】:Fixedfirefightingsystems-Gasextinguishingsystems-Part3:PhysicalpropertiesandsystemdesignofgasextinguishingsystemsforHCFCBlendAextinguishant(ISO14520-6:2006,modified);EnglishversionofDINEN15004-3:2008-09
【原文标准名称】:固定式消防系统.气体灭火系统.第3部分:HCFC混合A型灭火剂用气体灭火系统的系统设计和物理性能
【标准号】:EN15004-3-2008
【标准状态】:现行
【国别】:
【发布日期】:2008-09
【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】:灭火剂;灭火设备;灭火器;内装式灭火器;灭火器具;灭火材料;消防;消防设备;气体的;气体;物理性能;人体保护;保护装置;安全工程;安全要求;规范(验收)
【英文主题词】:Extinguishingagents;Extinguishingequipment;Fireextinguishers;Fireextinguishers(built-in);Fireextinguishingapparatus;Fireextinguishingmaterials;Firefighting;Firefightingequipment;Gaseous;Gases;Physicalproperties;Protectionofpersons;Protectiveinstallation;Safetyengineering;Safetyrequirements;Specification(approval)
【摘要】:
【中国标准分类号】:C84
【国际标准分类号】:13_220_20
【页数】:14P.;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforConductingWire-on-BoltTestforAtmosphericGalvanicCorrosion
【原文标准名称】:大气电流腐蚀用绕线螺栓试验
【标准号】:ASTMG116-1999(2004)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:G01.04
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:腐蚀;试验
【英文主题词】:aluminum;architecturalmaterials;ATCORRtest;atmosphericcorrosion;atmosphericcorrosivity;bolts;CLIMATtest;copper;corrosion;corrosiontest;corrosivity;galvaniccorrosion;rod;wire;wire-on-bolttest
【摘要】:Thesmallsizeofthewirecomparedtotheshortgalvanicinteractiondistanceinatmosphericexposuresgivesalargecathode-to-anodearearatiowhichacceleratesthegalvanicattack.Theareabetweenthewireandthethreadscreatesalong,tightcrevice,alsoacceleratingthecorrosion.Forthesereasons,thispractice,withatypicalexposureperiodof90days,isthemostrapidatmosphericgalvaniccorrosiontest,particularlycomparedtoTestMethodG104.Theshortdurationofthistestmeansthatseasonalatmosphericvariabilitycanbeevaluated.(Ifaverageperformanceovera1-yearperiodisdesired,severalstaggeredexposuresarerequiredwiththistechnique.)Reproducibilityofthispracticeissomewhatbetterthanotheratmosphericgalvaniccorrosiontests.Themajordisadvantageofthistestisthattheanodematerialmustbeavailableinwireformandthecathodicmaterialmustbeavailableintheformofathreadedrod.ThisshouldbecomparedtoTestMethodG104whereplateorsheetmaterialisusedexclusively.Anadditionallimitationisthatthemoreanodicmaterialofthepairmustbeknownbeforehand(frominformationsuchasinGuideG82)orassembliesmustbemadewiththematerialcombinationsreversed.Themorphologyofthecorrosionattackoritseffectonmechanicalpropertiesofthebasematerialscannotbeassessedbythispractice.TestMethodG104ispreferableforthispurpose.ThistesthasbeenusedunderthenamesCLIMATandATCORRtodetermineatmosphericcorrosivitybyexposingidenticalspecimensmadefrom1100aluminum(UNSA91100)wirewrappedaroundthreadedrodsofnylon,1010mildsteel(UNSG10100orG10080),andCA110copper(UNSC11000).Atmosphericcorrosivityisafunctionofthematerialthatiscorroding,however.Therelativecorrosivityofatmospherescouldbequitedifferentifadifferentcombinationofmaterialsischosen.1.1Thispracticecoverstheevaluationofatmosphericgalvaniccorrosionofanyanodicmaterialthatcanbemadeintoawirewhenincontactwithacathodicmaterialthatcanbemadeintoathreadedrod.1.2Whencertainmaterialsareusedfortheanodeandcathode,thispracticehasbeenusedtoratethecorrosivityofatmospheres.1.3Thewire-on-bolttestwasfirstdescribedin1955(1),andhassincebeenusedextensivelywithstandardmaterialstodeterminecorrosivityofatmospheresunderthenamesCLIMATTest(CLassifyIndustrialandMarineATmospheres)(2-5)andATCORR(ATmosphericCORRosivity)(6-9).1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H25
【国际标准分类号】:25_220_40;77_060
【页数】:4P.;A4
【正文语种】:
