【英文标准名称】:Masonrycement-Composition,specificationsandconformitycriteria
【原文标准名称】:砌筑水泥.组分、规范和合格标准
【标准号】:BSEN413-1-2004
【标准状态】:作废
【国别】:英国
【发布日期】:2004-11-12
【实施或试行日期】:2004-11-12
【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】:材料强度;CE标志;墙拉杆;水泥;物理性能;合格试验;定义;耐久性;灰浆;规范(验收);作标记;砌筑水泥;合格;施工材料;建筑产品;组分;机械性能;化学性质
【英文主题词】:CEmarking;Cements;Chemicalproperties;Composition;Conformity;Conformitytesting;Constructionmaterials;Constructionalproducts;Definition;Definitions;Durability;Marking;Masonrycements;Mechanicalproperties;Mortars;Physicalproperties;Specification(approval);Strengthofmaterials;Wallties
【摘要】:ThisEuropeanStandardspecifiesthedefinitionandcompositionofmasonrycementsascommonlyusedinEuropefortheproductionofmortarforbricklayingandblocklayingandforrenderingandplastering.Itincludesphysical,mechanicalandchemicalrequirementsanddefinesstrengthclasses.EN413-1alsostatestheconformitycriteriaandtherelatedrules.Necessarydurabilityrequirementsarealsogiven.NOTEFornormalapplicationstheinformationgiveninEN413-1,inEN998-1andinEN998-2isgenerallysufficient.However,inspecialcases,anexchangeofadditionalinformationbetweenthemasonrycementproducerandusercanbehelpful.ThedetailsofsuchanexchangearenotwithinthescopeofEN413-1butshouldbedealtwithinaccordancewithnationalstandardsorotherregulationsorcanbeagreedbetweenthepartiesconcerned.
【中国标准分类号】:Q11
【国际标准分类号】:91_100_10
【页数】:40P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 脱水蔬菜 洋葱通用技术条件 |
| 发布部门： | 山东省质量技术监督局 |
| 发布日期： | 2009-01-08 |
| 实施日期： | 2009-03-01 |
| 首发日期： | |
| 作废日期： | |
| 出版社： | 中国标准出版社 |
| 出版日期： | 2009-03-01 |
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： 农业 林业 畜牧 畜牧综合 农业 农业和林业 动物饲养和繁殖
【英文标准名称】:StandardTestMethodforMeasurementofMagneticallyInducedTorqueonMedicalDevicesintheMagneticResonanceEnvironment
【原文标准名称】:磁共振环境中医疗设备中磁感应扭矩测量的标准试验方法
【标准号】:ASTMF2213-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:F04.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:环境;磁的;测量;惰性;共振;外科植入物;扭矩
【英文主题词】:force,magnetic;implant;metals(forsurgicalimplants);MRI(magneticresonanceimaging);MRsafety;torque,magnetic
【摘要】:Thistestmethodisoneofthoserequiredtodetermineifthepresenceofamedicaldevicemaycauseinjuryduringamagneticresonanceexaminationandinthemagneticresonanceenvironment.Othersafetyissueswhichshouldbeaddressedincludebutmaynotbelimitedtomagneticallyinducedforce(seeTestMethodF2052)andRFheating(seeTestMethodF2182).ThetermsandiconsinPracticeF2503shouldbeusedtomarkthedeviceforsafetyinthemagneticresonanceenvironment.Ifthemaximaltorqueislessthantheproductofthelongestdimensionofthemedicaldeviceanditsweight,thenthemagneticallyinduceddeflectiontorqueislessthantheworstcasetorqueonthedeviceduetogravity.Forthiscondition,itisassumedthatanyriskimposedbytheapplicationofthemagneticallyinducedtorqueisnogreaterthananyriskimposedbynormaldailyactivityintheEarthrsquo;gravitationalfield.Thisisconservative;itispossiblethatgreatertorqueswouldnotposeahazardtothepatient.ThistestmethodaloneisnotsufficientfordeterminingifanimplantissafeintheMRenvironment.Thesensitivityofthetorquemeasurementapparatusmustbegreaterthan1/10thex201C;gravitytorque,x201D;theproductofdeviceweightandthelargestlineardimension.Thetorqueconsideredhereisthemagneto-statictorqueduetotheinteractionoftheMRIstaticmagneticfieldwiththemagnetizationintheimplant.Thedynamictorqueduetointeractionofthestaticfieldwitheddycurrentsinducedinarotatingdeviceisnotaddressedinthistestmethod.Currentsinleadwiresmayinduceatorqueaswell.1.1Thistestmethodcoversthemeasurementofthemagneticallyinducedtorqueproducedbythestaticmagneticfieldinthemagneticresonanceenvironmentonmedicaldevicesandthecomparisonofthattorquetotheequivalenttorqueappliedbythegravitationalforcetotheimplant.1.2Thistestmethoddoesnotaddressotherpossiblesafetyissueswhichincludebutarenotlimitedtoissuesofmagneticallyinducedforceduetospatialgradientsinthestaticmagneticfield,RFheating,inducedheating,acousticnoise,interactionamongdevices,andthefunctionalityofthedeviceandtheMRsystem.1.3Thetorqueconsideredhereisthemagneto-statictorqueduetotheinteractionoftheMRIstaticmagneticfieldwiththemagnetizationintheimplant.Thedynamictorqueduetointeractionofthestaticfieldwitheddycurrentsinducedinarotatingdeviceisnotaddressedinthistestmethod.Currentsinleadwiresmayinduceatorqueaswell.1.4Thesensitivityofthetorquemeasurementapparatusmustbegreaterthan1/10the"gravitytorque,"theproductofthedevice''smaximumlineardimensionanditsweight.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C39
【国际标准分类号】:17_220_20
【页数】:7P.;A4
【正文语种】: