Product Code:SAE AMS7718
Title:Nickel-Iron Alloy, Magnetic, Bars, Rods, Tubing, and Forgings, 50Ni - 50Fe
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope: This specification covers a magnetically soft nickel-iron alloy in the form of bars, rods, forgings, mechanical tubing, and forging stock.
Rationale: This specification covers a magnetically soft nickel-iron alloy in the form of bars, rods, forgings, mechanical tubing, and forging stock.【英文标准名称】:Glassinbuilding-Determinationoflighttransmittance,solardirecttransmittance,totalsolarenergytransmittance,ultraviolettransmittanceandrelatedglazingfactors
【原文标准名称】:建筑玻璃.光透率、日光直射率、太阳能总透射率及紫外线透射率及有关光泽系数的测定
【标准号】:ISO9050-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-08
【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/TC160
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;测定;数学计算;施工材料;太阳能;门窗玻璃;阳光;窗玻璃;玻璃;透射率;紫外线
【英文主题词】:windowglass;glass;constructionmaterials;determination;testing;uv;transmittance;tests;sunlighting;mathematicalcalculations;solarpower;glazing
【摘要】:ThisInternationalStandardspecifiesmethodsofdetermininglightandenergytransmittanceofsolarradiationforglazinginbuildings.Thesecharacteristicdatacanserveasabasisforlight,heatingandventilationcalculationsofroomsandcanpermitcomparisonbetweendifferenttypesofglazing.ThisInternationalStandardisapplicablebothtoconventionalglazingunitsandtoabsorbingorreflectingsolar-controlglazing,usedasglazedapertures.Theappropriateformulaeforsingle,doubleandtripleglazingaregiven.Furthermore,thegeneralcalculationproceduresforunitsconsistingofmorethancomponentsareestablished.ThisInternationalStandardisapplicabletoalltransparentmaterials.Oneexceptionisthetreatmentofthesecondaryheattransferfactorandthetotalsolarenergyfactorforthosematerialsthatshowsignificanttransmittanceinthewavelengthregionofambienttemperatureradiation(5μmto50μm),suchascertainplasticsheets.NOTEFormultipleglazingincludingelementswithlight-scatteringproperties,themoredetailedproceduresofISO15099canbeused.Fordaylightingcalculations,procedurescanbefoundinreference[1].
【中国标准分类号】:Q33
【国际标准分类号】:81_040_20
【页数】:27P.;A4
【正文语种】:英语