BS 2738 Pt.6-1996 眼镜镜片.成品单光矫正透镜片.第6部分:总要求
作者:标准资料网 时间:2024-05-10 16:00:26 浏览:9034
来源:标准资料网
【英文标准名称】:Spectaclelenses.Specificationforsingle-visionandmultifocaluncutfinishedlenses
【原文标准名称】:眼镜镜片.成品单光矫正透镜片.第6部分:总要求
【标准号】:BS2738Pt.6-1996
【标准状态】:作废
【国别】:英国
【发布日期】:1996-08-15
【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】:尺寸公差;试验设备;基本公差;焦距;眼镜镜片;角度公差;眼科学;眼科设备;眼镜(夹鼻);作标记;外观检查(试验);光学测量;位置公差;缺陷与故障
【英文主题词】:
【摘要】:
【中国标准分类号】:Y89
【国际标准分类号】:11_040_70
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:Cryogenicvessels.Safetydevicesforprotectionagainstexcessivepressure.Determinationofrequireddischarge.Capacityandsizing
【原文标准名称】:低温容器.防超压安全装置.要求释放量的测定.容量和尺寸
【标准号】:BSEN13648-3-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-12-06
【实施或试行日期】:2002-12-06
【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;规范;密封性;安全装置;气动试验;设计;识别牌;低温;作标记;热传输;低温容器;阀门;大小测量;质量流;压力控制阀;安全阀;规范(验收);压力过载;容器;计算方法;定义;放电量测量;超压;试验;压力;安全性要求
【英文主题词】:Containers;Cryogenic;Cryogenicvessels;Definitions;Design;Dischargeflowmeasurement;Excesspressures;Heattransmission;Identificationplates;Marking;Massflow;Methodsofcalculation;Performancetests;Pneumatictests;Pressure;Pressurecontrolvalves;Pressureoverload;Safetydevice;Safetyrequirements;Safetyvalves;Sizemeasurement;Specification;Specification(approval);Testing;Tightness;Valves
【摘要】:Thisstandardprovidesaseparatecalculationmethodfordeterminingthecontributingmassflowtoberelievedresultingfromeachofthefollowingspecifiedconditions:_vacuuminsulatedvesselswithinsulationsystem(outerjacket+insulatingmaterial)intactundernormalvacuum.Outerjacketatambienttemperature.Innervesselattemperatureofthecontentsattherelievingpressure;_vacuuminsulatedvesselswithinsulationsystemremaininginplacebutwithlossofvacuum,ornonvacuuminsulatedvesselswithinsulationsystemintact.Outerjacketatambienttemperature.Innervesselattemperatureofthecontentsattherelievingpressure;_vacuumornonvacuuminsulatedvesselswithinsulationsystemremainingfullyorpartiallyinplace,butwithlossofvacuuminthecaseofvacuuminsulatedvessels,andfireengulfment.Innervesselattemperatureofthecontentsattherelievingpressure;_vesselswithinsulationsystemtotallylostandfireengulfment.Goodengineeringpracticebasedonwellestablishedtheoreticalphysicalscienceshallbeadoptedtodeterminethecontributingmassflowwhereanappropriatecalculationmethodisnotprovidedforanapplicablecondition.
【中国标准分类号】:J75
【国际标准分类号】:23_020_40
【页数】:14P.;A4
【正文语种】:英语
【英文标准名称】:Acoustics-Recommendedpracticeforthedesignoflow-noisemachineryandequipment-Part2:Introductiontothephysicsoflow-noisedesign
【原文标准名称】:声学低噪声机器和设备设计的推荐实用规程第2部分:低噪声设计的物理工程说明
【标准号】:ISO/TR11688-2-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-09
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC43
【标准类型】:()
【标准水平】:()
【中文主题词】:引入线;声学;机器;电动机;噪声抑制;机械噪声;设计;声音传播;低噪声;计划
【英文主题词】:Acoustics;Definitions;Design;Entries;Ergonomics;Lownoise;Machinenoise;Machines;Motors;Noiseabatement;Noisereduction;Physics;Planning;Principlesofdesign;Productdesign;Soundpropagation
【摘要】:ThispartofISO/TR11688providesthephysicalbackgroundforthelow-noisedesignrulesandexamplesgiveninISO/TR11688-1andsupportstheuseofextensivespecialliterature.Itisintendedforusebydesignersofmachineryandequipmentaswellasusersand/orbuyersofmachinesandauthoritiesinthefieldoflegislation,supervisionorinspection.EquationsgiveninthisTechnicalReportwillimprovethegeneralunderstandingofnoisecontrol.Inmanycasestheyallowacomparisonofdifferentversionsofdesign,buttheyarenotusefulforthepredictionofabsolutenoiseemissionvalues.Informationoninternalsoundsources,transmissionpathsandsoundradiatingpartsofamachineisthebasisfornoisecontrolinmachines.Thereforemeasurementmethodsandcomputationalmethodssuitabletoobtainthisinformationaredescribedinclauses7and8andannexA.note:1)ISO/TR11688-1:1995,Acoustics—Recommendedpracticeforthedesignoflow-noisemachineryandequipment—Part1:Planning.
【中国标准分类号】:Z67
【国际标准分类号】:17_140_20;21_020
【页数】:46P.;A4
【正文语种】:英语
