JGJ 144-2004 外墙外保温工程技术规程
作者:标准资料网 时间:2024-05-14 04:50:15 浏览:8062
来源:标准资料网
基本信息
标准名称: | 外墙外保温工程技术规程 |
英文名称: | Technical specification for external thermal insulation on walls |
中标分类: |
工程建设 >>
工业与民用建筑工程 >>
建筑构造与装饰工程 |
ICS分类: |
建筑材料和建筑物 >>
建筑构件 >>
墙、隔墙、房屋正面
|
发布部门: | 中华人民共和国建设部 |
发布日期: | 2005-01-13 |
实施日期: | 2005-03-01 |
首发日期: | |
作废日期: | |
起草单位: | 建设部科技发展促进中心 |
起草人: | 张庆风、杨西伟、冯金秋、李晓明 |
出版社: | 中国建筑工业出版社 |
出版日期: | 2005-03-01 |
页数: | 67页 |
书号: | 15112·11789 |
适用范围
为规范外墙外保温工程技术要求,保证工程质量,做到技术先进、安全可靠、经济合理,制定本规程。 本规程适用于新建居住建筑的混凝土和砌体结构外墙外
保温工程。
前言
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目录
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引用标准
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所属分类: 工程建设 工业与民用建筑工程 建筑构造与装饰工程 建筑材料和建筑物 建筑构件 墙 隔墙 房屋正面
【英文标准名称】:Reciprocatinginternalcombustionengines—Vocabularyofcomponentsandsystems—Part2:Mainrunninggear
【原文标准名称】:往复式内燃机.部件与系统词汇.第2部分:主要驱动装置
【标准号】:ISO7967-2-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-12-15
【实施或试行日期】:2010-12-15
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC70
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Combustion;Components;Connectingrods;Crankshafts;Definitions;Enginecomponents;Engines;Flasks;Internalcombustionengines;Liftingcylinders;Mechanicalengineering;Motors;Powertransmissionsystems;Powerunitcomponent;Reciprocatingengines;Reciprocatinginternalcombustionengines;Shafts(rotating);Systems;Terminology;Terms;Vocabulary
【摘要】:ThispartofISO7967definestermsrelatingtothemainrunninggearofreciprocatinginternalcombustionengines.ISO2710-1givesaclassificationofreciprocatinginternalcombustionenginesanddefinesbasictermsofsuchenginesandtheircharacteristics.
【中国标准分类号】:
【国际标准分类号】:01_040_27;27_020
【页数】:30P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminationofFormaldehydeandOtherCarbonylCompoundsinAir(ActiveSamplerMethodology)
【原文标准名称】:测定空气中甲醛和其他羰基化合物的标准试验方法(快速取样法)
【标准号】:ASTMD5197-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D22.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;甲醛;空气;含量测定
【英文主题词】:activesampler;air;carbonylcompounds;DNPHcartridge;formaldehyde;HPLCanalysis
【摘要】:Thistestmethodprovidesananalyticalprocedureformeasuringformaldehydeandothercarbonylcompoundsinindoororoutdoorair.1.1Thistestmethodcoversaprocedureforthedeterminationofformaldehyde(HCHO)andothercarbonylcompounds(aldehydesandketones)inair.Othercarbonylcompoundsthathavebeenvalidatedfordeterminationbythismethodincludeacetaldehyde,acetone,propanal(propionaldehyde),methacrolein,2-butanone(methylethylketone),butyraldehyde,benzaldehyde,isovaleraldehyde,valeraldehyde,o-tolualdehyde,m-tolualdehyde,p-tolualdehyde,hexanal,and2,5-dimethylbenzaldehyde.Acroleinandcrotonaldehydemaybequantifiedwithgoodaccuracyfollowingspecialprecautions(see10.2.5).1.2Thistestmethodinvolvesdrawingairthroughacartridgecontainingsilicagelcoatedwith2,4-dinitrophenylhydrazine(DNPH)reagent.CarbonylcompoundsreadilyformstablederivativeswiththeDNPHreagent.TheDNPHderivativesareanalyzedforparentaldehydesandketonesutilizinghighperformanceliquidchromatography(HPLC).ThesamplingprocedureisamodificationofU.S.EPAMethodTO-11A(see2.2).1.3ThistestmethodisbasedonthespecificreactionofcarbonylcompoundswithDNPHinthepresenceofanacidtoformstablederivativesaccordingtothereactionshowninFig.1,(where:bothRandR1arealkyloraromaticgroups(ketones),orboth,oreitherRorR1isahydrogenatom(aldehydes)).Thedeterminationofformaldehydeandothercarbonylcompounds,asDNPHderivatives,issimilartothatofU.S.EPAMethodTO-11AinthatitutilizesHPLCwithUVdetectionastheanalyticalfinish.ThedetectionlimitshavebeenextendedtoothercarbonylcompoundsthatcanbedeterminedasoutlinedinSection10.2.4.Thistestmethodissuitablefordeterminationofformaldehydeandothercarbonylcompoundsintheconcentrationrangefromapproximately10ppbto1ppm(v/v).1.4Thesamplingmethodgivesatime-weightedaverage(TWA)sample.Itcanbeusedforlong-term(1to24h)orshort-term(5to60min)samplingofairforformaldehyde.1.5ThistestmethodinstructstheuseronhowtopreparesamplingcartridgesfromcommerciallyavailablechromatographicgradesilicagelcartridgesbytheapplicationofacidifiedDNPHtoeachcartridge.1.6Thesamplingflowrate,asdescribedinthistestmethod,hasbeenvalidatedforsamplingratesupto1.5L/min.Thisflowratelimitationisprincipallyduetothehighpressuredrop(>8kPaat1.0L/min)acrosstheuserpreparedsilicagelcartridgeswhichhaveaparticlesizeof55to105956;m.Thesecartridgesarenotgenerallycompatiblewithbattery-poweredpumpsusedinpersonalsamplingequipment(forexample,thoseusedbyindustrialhygienists.)1.7Alternatively,pre-coatedDNPHsilicagelcartridgesarealsocommerciallyavailableandmaybesubstitutedprovidedtheycanbedemonstratedtoperformequivalently.Someoftheseusesilicagelofalargerparticlesizethatresultsinalowerpressuredropacrossthecartridge.Theselowpressuredropcartridgesmaybemoresuitableforsamplingairusingbattery-poweredpersonalsamplingpumps.1.8ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.9Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G17
【国际标准分类号】:71_080_80
【页数】:15P.;A4
【正文语种】: