BS EN ISO 8429-1987 光学和光学仪器.眼科学.分度盘刻度
时间:2024-05-20 21:29:33 来源: 标准资料网 作者：标准资料网 阅读：8519
【英文标准名称】:Opticsandopticalinstruments-Ophthalmology-Graduateddialscale
【原文标准名称】:光学和光学仪器.眼科学.分度盘刻度
【标准号】:BSENISO8429-1987
【标准状态】:现行
【国别】:英国
【发布日期】:1987-10-30
【实施或试行日期】:1987-10-30
【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】:仪表刻度;划刻度;眼科设备;眼科试验设备;解析几何;眼科学;刻度盘
【英文主题词】:Aidtovision;Angles(geometry);Coordinatemeasuringmachines;Coordinatesystems;Correctivespectacles;Definition;Definitions;Dimensions;Glass;Instrumentscales;Instruments;Measurement;Ophtalmicoptics;Ophthalmicequipment;Ophthalmictestequipment;Ophthalmology;Opticalequipment;Opticalinstruments;Optics;Polarcoordinates;Reticules;Specifications;Spectacles(eyeglasses);Squares;Visualacuitytestings;Visualfaculty
【摘要】:ThisInternationalStandardgivesspecificationsfortheangularcoordinatesystemtobeusedinthedesignofscales,reticlesorotherdisplaymeansincorporatedininstrumentsfordetermin-ingopticaldataonhumaneyesorcorrectivelensesforhumaneyes.
【中国标准分类号】:N30
【国际标准分类号】:11_040_70
【页数】:10P.;A4
【正文语种】:英语
【英文标准名称】:ULStandardforSafetyFieldConversion/RetrofitofProductstoChangetoanAlternativeRefrigerant-InsulatingMaterialandRefrigerantCompatibilityFirstEdition;ReprintwithRevisionsThroughandIncludingOctober26,2006
【原文标准名称】:通过更迭制冷剂对产品进行现场转换和改型.绝缘材料和制冷剂兼容性
【标准号】:UL2171-1993
【标准状态】:现行
【国别】:美国
【发布日期】:1993-09-17
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:制冷机;制冷;再循环;可重复使用;兼容性;元部件;定义;绝缘;空调器;绝缘材料;制冷剂;冷却元件;冷却系统;制冷(剂)压缩机
【英文主题词】:insulatingmaterials;airconditioners;refrigerators;compatibility;re-usable;components;coolingelements;coolingsystems;refrigerantcompressors;refrigeration;definitions;insulations;definition;refrigerants;recycling
【摘要】:1.1Theserequirmentscovertestprocedurestobeusedfortheevaluationofthecompatabilityofanalternativerefrigerantwithhermeticmotor-compressorinsulatingmaterialsandlubricantsusedinrefrigerationandairconditioningequipmentwhenthealternativerefrigerantisusedtoreplacetheexistingrefrigerantinexistingequipment.1.2TheserequirementsareprimarilyintendedtobeusedtoinvestigatetheretrofitofexistingequipmenttoalternativerefrigerantsforcompliancewiththerequirementsinthisdocumentandthedocumentsspecifiedinSection2.1.3Theserequiremntsapplytothehermeticmotor-compressedinsulatingmaterialsusedinequipmentthathasbeenpreviouslyinvestigatedandfoundtocomplywithanapplicableULStandardofSafetysincetheyear1973.1.4Theequipmentmentionedin1.3includebutarelimitedtoremotecommercialrefrigeratorsandfreezers,unitcoolers,condensingunits,split-systemcentralcoolingairconditionersandheatppumps,andself-containedequipmentsuchascommercialrefrigerantsandfreezers,icemakers,icecreammakers,roomairconditioners,centralcoolingairconditioners,heatpumps,andliquidchillers.
【中国标准分类号】:G04
【国际标准分类号】:27_200
【页数】:12P.;A4
【正文语种】:英语
【英文标准名称】:Corrosionofmetalsinseawaterandseaatmosphere-Part1:Definitions,basicinformation
【原文标准名称】:海洋和海洋大气中金属的腐蚀.第1部分:定义.基本信息
【标准号】:DIN81249-1-1997
【标准状态】:作废
【国别】:德国
【发布日期】:1997-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电化学腐蚀;保护措施;英语;术语;造船;金属材料;海水;腐蚀作用;定义;造船工程;近海工程;多语种的;德语;材料选择;防腐蚀;金属;腐蚀
【英文主题词】:englishlanguage;corrosiveeffects;protectivemeasures;terminology;multilingual;seawater;electrochemicalcorrosion;shipbuilding;metallicmaterials;germanlanguage;corrosion;corrosionprotection;definition;metals;navalengineering;offshoreengineering;materialselection
【摘要】:
【中国标准分类号】:A29
【国际标准分类号】:47_020_05;77_060;01_040_77;01_040_47
【页数】:35P.;A4
【正文语种】:德语