BS EN 12975-1-2000 太阳能系统和元件.太阳能收集器.一般要求

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【英文标准名称】:Thermalsolarsystemsandcomponents-Solarcollectors-Generalrequirements
【原文标准名称】:太阳能系统和元件.太阳能收集器.一般要求
【标准号】:BSEN12975-1-2000
【标准状态】:作废
【国别】:英国
【发布日期】:2000-12-15
【实施或试行日期】:2000-12-15
【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】:性能试验;使用说明;认可试验;热工部件;不透水性试验;太阳能加热;太阳能集热器;太阳能收集器;机械试验;设备安全;对流式供暖系统;性能;可靠度;环境试验;耐久性;热传递
【英文主题词】:Airheatingsystems;Circulation;Collectors;Components;Corrosionprotection;Dimensions;Documentations;Durability;Efficiency;Handlings;Heat;Heataccumulators;Heatcapacity;Heatexchangers;Heattransfermedia;Heatinginstallations;Heatingtechnics;Intrinsicsafety;Marking;Mechanicalproperties;Permanency;Plant;Pressuretests;Properties;Reliability;Repair;Safetyengineering;Safetyrequirements;Solarcollectors;Solarheating;Solarpower;Solar-powereddevices;Specification(approval);Thermal;Watercirculation;Waterheaters
【摘要】:ThisEuropeanStandardspecifiesrequirementsondurability(includingmechanicalstrength),reliabilityandsafetyforliquidheatingsolarcollectors.Italsoincludesprovisionsforevaluationofconformitytotheserequirements.Itisnotapplicabletothosecollectorsinwhichthethermalstorageunitisanintegralpartofthecollectortosuchanextent,thatthecollectionprocesscannotbeseparatedfromthestorageprocessforthepurposeofmakingmeasurementsofthesetwoprocesses.Itisnotapplicabletotrackingconcentratingsolarcollectors.Collectorsthatarecustom-built(builtin,roofintegratedcollectorsthatdonotcomprisefactorymademodulesandareassembleddirectlyontheplaceofinstallation)cannotbetestedintheiractualformfordurability,reliabilityandthermalperformanceaccordingtothisstandard.Instead,amodulewiththesamestructureasthereadycollectoristested.Themodulegrossareainthecaseofcustombuiltcollectorsshallbeatleast2m.
【中国标准分类号】:F12
【国际标准分类号】:27_160
【页数】:22P.;A4
【正文语种】:英语


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【英文标准名称】:DiagnosticX-rayimagingequipment-Characteristicsofgeneralpurposeandmammographicanti-scattergrids
【原文标准名称】:诊断用X-射线成像设备通用和大图形防散射滤栅的特性
【标准号】:IEC60627-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-08
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC62B
【标准类型】:()
【标准水平】:()
【中文主题词】:医学科学;定义;X射线仪;X射线设备;参数;电气工程;电气器具;医学放射学;反散射栅;医疗设备
【英文主题词】:Anti-scattergrids;Bodies;Definitions;Design;Diagnosticequipment;Distances;Electricappliances;Electricalengineering;Focusing;Geometric;Gridsystems;Imaging;Leakageradiation;Linegrids;Mammography;Marking;Mathematicalcalculations;Measurement;Measurementcircuits;Measurementset-up;Measuringinstruments;Measuringtechniques;Medicalequipment;Medicalradiography;Medicalradiology;Medicalsciences;Methodsformeasuring;Parameters;Permability;Phantoms;Physical;Radiationquality;Radiology;Ratios;Selectivities;Valvevoltages;X-ray;X-rayapparatus;X-rayequipment;X-raytubes;X-rays
【摘要】:ThisInternationalStandarddealswiththedefinitions,determinationandindicationofcharacteristicsofANTI-SCATTERGRIDSusedindiagnosticX-rayimagingequipment,inordertoreducetheincidenceofSCATTEREDRADIATION,producedparticularlyinthebodyofthePATIENT,upontheIMAGERECEPTIONAREAandthustoimprovethecontrastoftheX-RAYPATTERN.InthisstandardonlyLINEARGRIDSareconsidered.SinceatpresentonlyFOCUSEDGRIDSareusedinmammography,thisstandardisrestrictedtoFOCUSEDGRIDSforMAMMOGRAPHICANTI-SCATTERGRIDS.ThisstandardisnotintendedtobeappliedforACCEPTANCETESTS.Thisstandarddoesnotcoverthehomogeneityofperformanceovertheareaofagrid.ThisstandardisintendedtobeappliedforthedemonstrationofthecharacteristicsofANTI-SCATTERGRIDSundertestconditions.TheseconditionsarenotusuallyavailableattheUSER'ssite.
【中国标准分类号】:C43
【国际标准分类号】:11_040_50
【页数】:55P.;A4
【正文语种】:英语


基本信息
标准名称:碳素合金钢丝制圆柱螺旋拉伸弹簧
中标分类: 航空、航天 >> 航空器与航天器零部件 >> 管件、卡箍、密封件
替代情况:HB 3-54-55-1983;被HB 6765-1993代替
发布日期:
实施日期:1995-01-01
首发日期:
作废日期:
出版日期:
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所属分类: 航空 航天 航空器与航天器零部件 管件 卡箍 密封件