BS 5043-1973 作为医院及家庭助读器用的夹书架.放大镜及棱镜眼镜规范
作者:标准资料网 时间:2024-05-15 21:03:10 浏览:8803
来源:标准资料网
【英文标准名称】:Specificationforbookholdersandprismaticspectaclesforuseasreadingaidsinhospitalsandthehome
【原文标准名称】:作为医院及家庭助读器用的夹书架.放大镜及棱镜眼镜规范
【标准号】:BS5043-1973
【标准状态】:作废
【国别】:英国
【发布日期】:1973-12-24
【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】:稳定性;视野;重量;调节;医院设备;眼镜(夹鼻);助读器;眼科设备;夹持装置;残疾人辅助器具;焦距;棱镜;眼镜镜片;镜头孔径;书
【英文主题词】:
【摘要】:
【中国标准分类号】:Y81;Y89
【国际标准分类号】:11_180;11_040_70;11_140
【页数】:12P;A4
【正文语种】:英语
基本信息
| 标准名称： | 铝塑贴面板 |
| 发布部门： | 中华人民共和国住房和城乡建设部 |
| 发布日期： | 2012-03-15 |
| 实施日期： | 2012-08-01 |
| 首发日期： | |
| 作废日期： | |
| 出版社： | 中国标准出版社 |
| 出版日期： | 2012-08-01 |
适用范围
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前言
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目录
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引用标准
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所属分类： 建筑材料和建筑物 建筑物结构 金属结构
【英文标准名称】:StandardSpecificationforDeformedandPlainStainless-SteelBarsforConcreteReinforcement
【原文标准名称】:混凝土配筋用变形和普通不锈钢钢筋的标准规格
【标准号】:ASTMA955/A955M-2010a
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:A01.05
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:钢筋混凝土;耐腐蚀性;变形(突出物);磁性能;不锈钢筋
【英文主题词】:concretereinforcement;corrosionresistance;deformations(protrusions);magneticproperties;stainlesssteelbars
【摘要】:1.1Thisspecificationcoversdeformedandplainstainless-steelbarsforconcretereinforcementincutlengthsandcoilsusedinapplicationsrequiringresistancetocorrosionorcontrolledmagneticpermeability.ThestandardsizesanddimensionsofdeformedbarsandtheirnumericaldesignationshallbethoselistedinTable1.Thetextofthisspecificationreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthespecification.1.1.1Supplementaryrequirement(S1)ofanoptionalnatureisprovided.Itshallapplyonlywhenspecifiedbythepurchaser.Inordertoobtainacontrolledmagneticpermeabilityproduct,steelconformingtoSupplementaryRequirementS1shouldbeordered.1.2Thechemicalcompositionofthestainlesssteelalloyshallbeselectedforsuitabilitytotheapplicationinvolvedbyagreementbetweenthemanufacturerandthepurchaser.Thisisanimportantconsiderationinachievingthedesiredcorrosionresistanceorcontrolledmagneticpermeability,orboth,becausethesepropertiesarenotprovidedbyallstainlesssteels.Note18212;ThealloysshowninTable2havefoundthemostuseinNorthAmerica.Otheralloysmayalsoprovidedesiredproperties;consultwiththemanufacturerforstainlesssteelalloypropertiesandavailability.1.3Barsareofthreeminimumyieldstrengthlevels,namely,40000[280MPa],60000[420MPa],and75000psi[520MPa],designatedasGrade40[280],Grade60[420],andGrade75[520],respectively.1.4Plainroundsinsizesuptoandincluding2in.[50.8mm]indiameterincoilsorcutlengths,whenordered,shallbefurnishedunderthisspecificationinGrade40[280],Grade60[420],andGrade75[520],respectively.Bendingproperties,whenrequired,shallbebyagreementbetweenthemanufacturerandpurchaser.Requirementsprovidingfordeformationsandmarkingshallnotbeapplicabletoplainbars.1.5Weldabilityofmoststainlesssteelcompositionsisgenerallygood,however,pre-weldorpost-weldprocedures,orboth,arenecessary.Wherematerialistobewelded,aweldingproceduresuitableforthechemicalcompositionandintendeduseorserviceshallbeused.Retestingofphysicalpropertiesshouldbeconsideredfollowingweldingproceduresdependinguponthesteelcompositionandweldingoperationinvolved.Note28212;ItisrecommendedthattheuserconsultthemanufacturerforinformationavailablefromtheNickelDevelopmentInstitute(NIDI)(Toronto,Canada).1.6Thisspecificationisapplicableforordersineitherinch-poundunits(asSpecificationA955)orinSIunits(asSpecificationA955M).1.7Thevaluesstatedineitherinch-poundorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H49
【国际标准分类号】:77_140_60
【页数】:11P.;A4
【正文语种】:
