ISO 22390-2010 木材结构.层压胶合板.结构特性
时间:2024-05-20 10:01:33 来源: 标准资料网 作者：标准资料网 阅读：9115
【英文标准名称】:Timberstructures-Laminatedveneerlumber-Structuralproperties
【原文标准名称】:木材结构.层压胶合板.结构特性
【标准号】:ISO22390-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-08
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC165
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Adhesion;Components;Construction;Constructionmaterials;Constructionalproducts;Definitions;Dimensions;Initialverification;Laminatedveneerlumbers;Laminatedwood;Loadbearing;Marking;Mechanicalproperties;Mechanicalpropertiesofmaterials;Physicalproperties;Productioncontrol;Properties;Qualitycontrol;Sawntimber;Specification(approval);Stiffness;Strengthofmaterials;Structuraltimber;Testing;Timberconstruction;Timberstructures;Typeoftimber;Veneer;Wood;Woodbasedproducts;Woodbasedsheetmaterials;Woodworking
【摘要】:ThisInternationalStandardspecifiesrequirementsforestablishingthecharacteristicpropertiesofstructurallaminatedveneerlumber(LVL),including5thpercentilestrengthvalues,stiffnesscharacteristicsandotherperformancecharacteristics,relatedtoitsenduseasastructuralproductfordryuse(bondingclass1).Itisapplicabletomembersusedinflatwiseoredgewisebendingorientations.
【中国标准分类号】:B70
【国际标准分类号】:79_060_99;91_080_20
【页数】:16P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforLow-LevelTotalSilicainHigh-PurityWaterbyFlamelessAtomicAbsorptionSpectroscopy
【原文标准名称】:用无焰原子吸收光谱法测量高纯度水中低量硅总量的标准试验方法
【标准号】:ASTMD4517-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:D19.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:水;试验;纯度;含量测定;光谱测定法
【英文主题词】:atomicspectroscopy;boilerwater;graphitefurnace;high-puritywater;silica
【摘要】:Controlofsilicainboilerfeedwaterandboilerwaterisnecessarytominimizetheformationofscale-formingsilicatesthatdecreaseheattransferintheboiler.Volatilizationandcarryoverofsilicawiththesteammaycausehard,glassysiliceousdepositstoformonturbinebladesthatreduceturbineefficiency.Colloidalsilicathatisnotremovedbyboilerwaterpretreatmentprocessesmaybesolubilizedintheboilerandthuscontributetothedissolvedsilicaconcentrationintheboiler.Bothdissolvedandtotalsilicaareofinterest.1.1Thistestmethodcoversthedeterminationoftotalsilicainwater.1.2Thistestmethodisapplicableintherangefrom25to250[mu]g/LofsilicaasSiO.Higherconcentrationsmaybedeterminedbydecreasingthealiquotvolume(seeNote6).Concentrationrangeshouldnotbeextendedbydilution.1.3Thistestmethoddeterminestotalsilica,anddoesnotdistinguishbetweensolubleandinsolubleforms.1.4Thistestmethodwastestedonreagentwateronly.Itistheuser'sresponsibilitytoassurethevalidityofthetestmethodforwatersofothermatrices.1.5Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:71_060_20
【页数】:5P.;A4
【正文语种】:
【英文标准名称】:Pipelinesofcopper-nickel-alloys-Part9:Generalprinciplesforradiographictesting
【原文标准名称】:铜-镍合金管道.第9部分:透视检验总则
【标准号】:DIN85004-9-1997
【标准状态】:作废
【国别】:德国
【发布日期】:1997-07
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:水路运输工程部件;放射性试验;造船;铜镍合金;船用管道系统;试验;无损检验;含镍合金;焊接接头;铜镍管;船队;试验类别;熔焊接头;管道
【英文主题词】:Coppernickelalloys;Coppernickelpipes;Fusionweldedjoints;Marinepipeworksystems;Navy;Nickel-containingalloys;Non-destructivetesting;Pipelines;Radiographictesting;Shipbuilding;Testcategories;Testing;Watertransportengineeringcomponents;Weldedjoints
【摘要】:
【中国标准分类号】:H62
【国际标准分类号】:23_040_15
【页数】:5P;A4
【正文语种】:德语