ASTM F2547-2006 防止X射线设备产生的辐射用一次X射线材料光束的衰减特征测定的标准试验方法

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【英文标准名称】:StandardTestMethodforDeterminingtheAttenuationPropertiesinaPrimaryX-rayBeamofMaterialsUsedtoProtectAgainstRadiationGeneratedDuringtheUseofX-rayEquipment
【原文标准名称】:防止X射线设备产生的辐射用一次X射线材料光束的衰减特征测定的标准试验方法
【标准号】:ASTMF2547-2006
【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】:F23.70
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:衰减;测定;第一;特性;辐射;试验;X射线;X射线设备
【英文主题词】:attenuation;protectivematerial;radiationprotectiveclothing;X-ray
【摘要】:Thistestmethodisintendedtoprovideastandardizedtestprocedureofprotectivematerialstoensurecomparableresultsamongmanufacturersandusers.ThistestmethodinvolvesmeasurementoftheattenuationofX-raysbyprotectiveclothingmaterialatanacceleratingpotential(kVp)between60and130kVp.Theseenergiesareconsideredtoberepresentativeofthosecommonlyusedduringmedicaldiagnosisandtreatment.ThereportingoftheattenuationataspecificX-rayenergyisintendedtoallowtheenduserorganizationtoassesstheattenuatingpropertiesoftheprotectiveclothingmaterialatthatenergylevel.1.1ThistestmethodestablishesproceduresformeasuringtheattenuationofX-raysbyprotectivematerialsatacceleratingpotentialsfrom60to130kVp.1.2ThistestmethodprovidesattenuationvaluesofprimarybeamX-radiation.1.3Thistestmethodappliestobothleadedandnon-leadedradiationprotectiveclothingmaterials.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C57
【国际标准分类号】:13_280
【页数】:3P.;A4
【正文语种】:


Product Code:SAE ARP5483/8
Title:Rolling Bearing Dynamic Radial Load Test
Issuing Committee:Acbg Rolling Element Bearing Committee
Scope:This test method outlines the recommended machine function, fixtures and procedures used to test airframe rolling element bearings for dynamic performance under steady unidirectional radial load and oscillatory motion. Bearings covered by this test method shall be ball, roller and needle type in either annular or rod end configuration, used in airframe control applications.【英文标准名称】:Textileglassmats;determinationofmassperunitarea
【原文标准名称】:纺织.玻璃纤维织毯.单位面积质量(物质)的测定
【标准号】:ISO3374-1990
【标准状态】:作废
【国别】:国际
【发布日期】:1990-11
【实施或试行日期】:1990-11-15
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:质量(物质);物理试验;试验;密度测量;垫子;纺织玻璃纤维
【英文主题词】:mass;physicaltesting;tests;densitymeasurement;testing;textileglass;mats
【摘要】:
【中国标准分类号】:W50
【国际标准分类号】:6660
【页数】:3P;A4
【正文语种】:英语