GB 9246-1988 显微镜目镜系列
作者:标准资料网 时间:2024-05-29 21:25:14 浏览:9793
来源:标准资料网
基本信息
标准名称: | 显微镜目镜系列 |
中标分类: |
仪器、仪表 >>
光学仪器 >>
放大镜与显微镜 |
替代情况: | JB/T 8230.9-1995 |
发布日期: | 1900-01-01 |
实施日期: | 1989-01-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
出版日期: | 1900-01-01 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类: 仪器 仪表 光学仪器 放大镜与显微镜
【英文标准名称】:Acoustics-Noiseemittedbymachineryandequipment-Rulesforthedraftingandpresentationofanoisetestcode
【原文标准名称】:声学.机械设备发射的噪声.噪声测试规范起草和表述的准则
【标准号】:BSENISO12001-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2010-05-31
【实施或试行日期】:2010-05-31
【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】:
【英文主题词】:Acoustictesting;Acoustics;Airbornenoise;Classification;Definitions;Emission;Emissionvalues;Fluctuation;Information;Instruments;Machinenoise;Machines;Measurement;Measuringincertainity;Measuringtechniques;Methods;Noise;Noiseemissions;Noisemeasurements;Noisereduction;Noisesources;Noisetest;Occupationalsafety;Operatingconditions;Operatingstations;Parameters;Pollutioncontrol;Position;Precision;Radiation;Safetyofmachinery;Soundlevel;Soundpressurelevel;Soundpropagation;Specification(approval);Standards;Statement;Testing;Typeofmachine;Verification;Workingplaces
【摘要】:ThisInternationalStandardspecifiedthetechnicalrequirementsofanoisetestcodeforaspecificfamilyofmachineryorequipment.Itisprimarilyapplicabletostationarymachineryandequipment,includinghand-heldtools,aswellasthosethatpresenthazardsduetomobilityorloadlifting.Thepurposeofanoisetestcodeistopermitcomparabletestresultstobeobtainedonthenoiseemissionsofmachinesfromthesamefamily,thusenablinguserstomakecomparisonsandtocheckthedeclarednoisetestcodearealsousefulfornoisespecificationsinprivatecontracts,forplanningandfornoisereductionpurposes.SpecifictestcodesforvarioustypesofmachineryandequipmentareestablishedandusedinaccordancewiththerequirementsofbasicInternationalStandards.Standardizednoisetestcodesgivedetailedrequirementsonmounting,loadingandoperatingconditionsfortheparticularfamilytowhichthemachineryundertestbelongs,aswellasthelocationofaworkstation(s)andotherspecifiedpositions(ifany).
【中国标准分类号】:Z32
【国际标准分类号】:17_140_20
【页数】:26P.;A4
【正文语种】:英语
【英文标准名称】:StandardClassificationforAcousticalCeilingProducts
【原文标准名称】:吸音顶棚产品的分类
【标准号】:ASTME1264-1998(2005)
【标准状态】:现行
【国别】:
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:E33.04
【标准类型】:(Classification)
【标准水平】:()
【中文主题词】:分类;声学性质和声学现象;顶棚;产品
【英文主题词】:acousticalceilings;acousticalratings;acousticaltile;lightreflectance;
【摘要】:Thisclassificationisusedtoclassifyandaidintheselectionofacousticalceilingproducts.1.1Thisclassificationcoversceilingproductsthatprovideacousticalperformanceandinteriorfinishinbuildings.Productsusedinperformancespacesandotherspecialapplicationsmayrequiremoredetailedspecificationthanprovidedbythisclassification.1.2Thisclassificationclassifiesacousticalceilingsbytype,pattern,andcertainratingsforacousticalperformance,lightreflectance,andfiresafety.Itdoesnotcovertheaspectsofacousticalceilingswhenusedasacomponentofasystemorassemblytestedforfireenduranceorfloor/ceilingsoundtransmission.1.3Thisclassificationdoesnotincludephysicalproperties,suchasstructuralhardness,friability,sag,linearexpansionandcontraction,andtransversestrength,whichmayaffectthehandling,installation,anduseofacousticalceilingproducts(seeTestMethodsC367).
【中国标准分类号】:Q25
【国际标准分类号】:91_060_30;91_060_30
【页数】:4P.;A4
【正文语种】: