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BS 3521-1-1991 眼镜镜片和眼镜架术语.眼镜镜片术语汇编

作者:标准资料网 时间:2024-05-03 23:07:50  浏览:9622   来源:标准资料网
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【英文标准名称】:Termsrelatingtoophthalmiclensesandspectacleframes-Glossaryoftermsrelatingtoophthalmiclenses
【原文标准名称】:眼镜镜片和眼镜架术语.眼镜镜片术语汇编
【标准号】:BS3521-1-1991
【标准状态】:现行
【国别】:英国
【发布日期】:1991-09-30
【实施或试行日期】:1991-09-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:眼镜(夹鼻);眼科学;眼镜镜片;透镜;词汇;眼科设备
【英文主题词】:Lenses;Ophthalmicequipment;Ophthalmology;Spectaclelenses;Spectacles(eyeglasses);Vocabulary
【摘要】:Definestermsusedtodescribelenses,theirophthalmicpropertiesanddefects,andthemanufacturingprocesses.
【中国标准分类号】:Y89
【国际标准分类号】:01_040_11;11_040_70
【页数】:54P.;A4
【正文语种】:英语


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【英文标准名称】:Railwayrollingstock.Cablesforrollingstock.Insulatedcablesandflexiblecordswithrespecttobehaviourimprovedtofire.
【原文标准名称】:铁路机车车辆.机车车辆用电缆.具有防火性能的绝缘电缆和软线
【标准号】:NFF63-295-1992
【标准状态】:现行
【国别】:法国
【发布日期】:1992-05-01
【实施或试行日期】:1992-05-05
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:S50;K13
【国际标准分类号】:29_060_20;13_220_40;45_040
【页数】:30P.;A4
【正文语种】:其他


【英文标准名称】:StandardSpecificationforChlorinatedPoly(VinylChloride)(CPVC)PlasticHot-andCold-WaterDistributionSystems
【原文标准名称】:氯化聚氯乙烯(CPVC)塑料热.冷水配水系统的规格
【标准号】:ASTMD2846/D2846M-2009b
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:F17.61
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:cold-waterpipe;CPVCpiping;hot-waterpipe;waterdistributionpiping;Chlorinatedpoly(vinylchloride)(CPVC)pipe--specifications;Coldwatersupply/distributionsystems--specifications;Cycling;Hotwatersupply/distributionsystems--specifications
【摘要】:1.1Thisspecificationcoversrequirements,testmethods,andmethodsofmarkingforchlorinatedpoly(vinylchloride)plastichot-andcold-waterdistributionsystemcomponentsmadeinonestandarddimensionratioandintendedforwaterserviceuptoandincluding180x00B0;F(82x00B0;C).Thesecomponentscomprisepipeandtubing,socket-typefittings,streetfittings,plastic-to-metaltransitionfittings,solventcements,andadhesives.Requirementsandmethodsoftestareincludedformaterials,workmanship,dimensionsandtolerances,hydrostaticsustainedpressurestrength,andthermocyclingresistance.Thecomponentscoveredbythisspecificationareintendedforuseinresidentialandcommercial,hotandcold,potablewaterdistributionsystems.1.2Theproductscoveredbythisspecificationareintendedforusewiththedistributionofpressurizedliquidsonly,whicharechemicallycompatiblewiththepipingmaterials.Duetoinherenthazardsassociatedwithtestingcomponentsandsystemswithcompressedairorothercompressedgasessomemanufacturersdonotallowpneumatictestingoftheirproducts.Consultwithspecificproduct/componentmanufacturersfortheirspecifictestingprocedurespriortopneumatictesting.Note18212;Pressurized(compressed)airorothercompressedgasescontainlargeamountsofstoredenergywhichpresentserioussafteyhazardsshouldasystemfailforanyreason.1.3Thetextofthisspecificationreferencesnotes,footnotes,andappendixeswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthespecification.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.Note28212;Suggestedhydrostaticdesignstressesandhydrostaticpressureratingsforpipe,tubing,andfittingsarelistedinAppendixX1.Design,assembly,andinstallationconsiderationsarediscussedinAppendixX2.Anoptionalperformancequalificationandanin-plantqualitycontrolprogramarerecommendedinAppendixX3.1.5Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodportion,Sections9and10,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q81
【国际标准分类号】:23_040_20
【页数】:12P.;A4
【正文语种】:



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