BS 4824-1972 外科设备用的纤维光缆及配件规范
时间:2024-05-09 15:54:14 来源: 标准资料网 作者：标准资料网 阅读：8741
【英文标准名称】:Specificationforfibrelightcablesandfittingsforsurgicalequipment
【原文标准名称】:外科设备用的纤维光缆及配件规范
【标准号】:BS4824-1972
【标准状态】:作废
【国别】:英国
【发布日期】:1972-08-30
【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】:电阻;连接;挠性;外科设备;内窥镜仪器;光导纤维索;纤维光缆;电绝缘;维纤光学连接器
【英文主题词】:endoscopicapparatus;electricalinsulation;fibrelightcables;flexibility;electricalresistance;joints;fibreopticconnectors;fibreopticcables;surgicalequipment
【摘要】:
【中国标准分类号】:K13
【国际标准分类号】:11_040_30
【页数】:12P;A4
【正文语种】:英语
Product Code:SAE MA2117
Title:Wire, Retainer, Swivel, Metric
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:No scope available.【英文标准名称】:Measurementofnoiseemittedbyacceleratingroadvehicles-Engineeringmethod-Part1:MandNcategories
【原文标准名称】:加速道路车辆发出噪声的测量.工程法.第1部分:M和N分类
【标准号】:ISO362-1-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-07
【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】:加速度;声学测量;声学测试;声学;定义;机械噪声;数学计算;测量;测量不确定度;测量技术;摩托车;运转噪声;噪声;噪声(环境的);噪声测量;精密度;道路车辆;声压;符号;测试;城镇;交通业务
【英文主题词】:Acceleration;Acousticmeasurement;Acoustictesting;Acoustics;Definitions;Machinenoise;Mathematicalcalculations;Measurement;Measuringincertainity;Measuringtechniques;Motorvehicles;Movementnoise;Noise;Noise(environmental);Noisemeasurements;Precision;Roadvehicles;Soundpressure;Symbols;Testing;Towns;Traffic
【摘要】:ThispartofISO362specifiesanengineeringmethodformeasuringthenoiseemittedbyroadvehiclesofcategoriesMandNundertypicalurbantrafficconditions.ItexcludesvehiclesofcategoryL1andL2,whicharecoveredbyISO9645,andvehiclesofcategoryL3,L4andL5coveredbyISO362-2.Thespecificationsareintendedtoreproducethelevelofnoisegeneratedbytheprincipalnoisesourcesduringnormaldrivinginurbantraffic(seeAnnexA).Themethodisdesignedtomeettherequirementsofsimplicityasfarastheyareconsistentwithreproducibilityofresultsundertheoperatingconditionsofthevehicle.Thetestmethodrequiresanacousticalenvironmentthatisonlyobtainedinanextensiveopenspace.Suchconditionsareusuallyprovidedfor?typeapprovalmeasurementsofavehicle,?measurementsatthemanufacturingstage,and?measurementsatofficialtestingstations.NOTE1Theresultsobtainedbythismethodgiveanobjectivemeasureofthenoiseemittedunderthespecifiedconditionsoftest.Itisnecessarytoconsiderthefactthatthesubjectiveappraisalofthenoiseannoyanceofdifferentclassesofmotorvehiclesisnotsimplyrelatedtotheindicationsofasoundmeasurementsystem.Asannoyanceisstronglyrelatedtopersonalhumanperception,physiologicalhumanconditions,cultureandenvironmentalconditions,thereisalargevariationanditisthereforenotusefulasaparametertodescribeaspecificvehiclecondition.NOTE2Spotchecksofvehicleschosenatrandomarerarelymadeinanidealacousticalenvironment.IfmeasurementsarecarriedoutontheroadinanacousticalenvironmentwhichdoesnotfulfiltherequirementsstatedinthisInternationalStandard,theresultsobtainedcandeviateappreciablyfromtheresultsobtainedusingthespecifiedconditions.
【中国标准分类号】:T04;A59
【国际标准分类号】:17_140_30;43_080_01;43_100
【页数】:55P;A4
【正文语种】:英语