EN 28736-1992 未淬火的带内螺纹的锥形销
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【英文标准名称】:Unhardenedtaperpinswithinternalthread(ISO8736:1986);germanversionEN28736:1992
【原文标准名称】:未淬火的带内螺纹的锥形销
【标准号】:EN28736-1992
【标准状态】:现行
【国别】:
【发布日期】:1992-10
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:规范(验收);规范;验收规范;紧固件;定位销;尺寸;内螺纹;名称与符号;锥形销;销钉;交货条件
【英文主题词】:Acceptancespecification;Deliveryconditions;Designations;Dimensions;Fasteners;Internalthreads;Locatingpins;Pins(nails);Specification(approval);Specifications;Taperpins
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:21_060_50
【页数】:7P.;A4
【正文语种】:英语
【英文标准名称】:Acousticsandvibration-Laboratorymeasurementofvibro-acoustictransferpropertiesofresilientelements-Part4:Dynamicstiffnessofelementsotherthanresilientsupportsfortranslatorymotion
【原文标准名称】:声学和振动.弹性元件的振动-声传输特性的实验室测量.第4部分:传输运动用不包括弹性支撑的元件的动态劲度
【标准号】:ISO10846-4-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-09
【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】:机械性能;硬挺度;声学测量;动态的;频率;阻振器;运动的;传输;振动;传递;定义;声音衰减;声学;隔音;振动工程;测量技术;绝缘子;振动阻尼;试验;测量;可听范围;弹性元素;声音减弱;振动传递;振动隔离;结构噪音的阻尼;结构噪声;发动机消音器;实验室试验;频率范围
【英文主题词】:Acousticmeasurement;Acoustics;Dampingofstructure-bornenoise;Definitions;Dynamic;Enginesilencers;Frequencies;Frequencyranges;Insulators;Laboratorytesting;Measurement;Measuringtechniques;Mechanicalproperties;Motional;Rangeofaudibility;Resilientelements;Soundattenuation;Sounddeadening;Soundinsulation;Stiffness;Structure-bornenoise;Testing;Transfer;Transferofvibrations;Transmission;Vibration;Vibrationdampers;Vibrationdamping;Vibrationengineering;Vibrationinsulation;Vibrationalbehaviour
【摘要】:ThispartofISO10846specifiestwomethodsfordeterminingthedynamictransferstiffnessfortranslationsofresilientelementsotherthanresilientsupports.Examplesareresilientbellows,shaftcouplings,powersupplycables,hosesandpipehangers(seeFigure1).Elementsfilledwithliquids,suchasoilorwater,areexcluded.NOTE1Pipehangersareextensionallydeflected,asopposedtoelasticsupportswhicharecompressed.Therefore,thetestconditionsaredifferentfromthosedescribedinISO10846-2andISO10846-3.Themethodsareapplicabletoresilientelementswithflatflangesorflatclampinterfaces.Itisnotnecessarythattheflangesbeparallel.ResilientelementswhicharethesubjectofthispartofISO10846arethosethatareusedtoreducea)thetransmissionofaudiofrequencyvibrations(structure-bornesound,20Hzto20kHz)toastructurewhichmay,forexample,radiateunwantedsound(airborne,waterborneorother),andb)thetransmissionoflow-frequencyvibrations(typically1Hzto80Hz),whichmay,forexample,actuponhumansubjectsorcausedamagetostructuresofanysizewhenthevibrationistoosevere.Inpractice,thesizeoftheavailabletestrig(s)determinesrestrictionsforverysmallandforverylargeresilientelements.MeasurementsfortranslationsnormalandtransversetotheflangesorclampinterfacesarecoveredinthispartofISO10846.AnnexAprovidesguidanceforthemeasurementoftransferstiffnessesthatincluderotatorycomponents.Thedirectmethodcanbeappliedinthefrequencyrangefrom1Hzuptoafrequencythatisusuallydeterminedbythelowestresonancefrequencyofthetestarrangementframe(typically300Hzfortestrigswithdimensionsoftheorderof1m).NOTE2Inpractice,thelowerfrequencylimitdependsonthedynamicexcitationsystem.Theindirectmethodcoversafrequencyrangethatisdeterminedbythetestset-upandtheisolatorundertest.Therangeistypicallyfromalowerfrequencybetween20Hzand50Hz,toanupperfrequencybetween2kHzand5kHz.ThedataobtainedaccordingtothemethodsspecifiedinthispartofISO10846canbeusedfor—productinformationprovidedbymanufacturersandsuppliers,—informationduringproductdevelopment,—qualitycontrol,and—calculationofthetransferofvibrationthroughresilientelements.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_01;17_160
【页数】:33P;A4
【正文语种】:英语
【英文标准名称】:Copperandcopperalloys-Determinationoftincontent-Part2:Spectrophotometricmethod;GermanversionCEN/TS15022-2:2009
【原文标准名称】:铜和铜合金.锡含量的测定.第2部分:分光光度法;德文版本CEN/TS15022-2-2009
【标准号】:DINSPEC1166-2010
【标准状态】:现行
【国别】:德国
【发布日期】:2010-03
【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】:氨;分析;抗坏血酸;化学分析和测试;含量;铜;铜合金;含量测定;酒精;盐酸;过氧化氢;仪器;材料;材料试验;甲基异丁基甲酮;有色金属合金;有色金属;光度测量法;光度测量法(化学分析);试剂;光谱化学分析;分光光度法;试验结果;测试;硫脲;锡
【英文主题词】:Ammonia;Analysis;Ascorbicacids;Chemicalanalysisandtesting;Content;Copper;Copperalloys;Determinationofcontent;Ethanol;Hydrochloricacid;Hydrogenperoxide;Instruments;Materials;Materialstesting;Methylisobutylketone;Non-ferrousalloys;Non-ferrousmetals;Photometry;Photometry(chemicalanalysis);Reagents;Spectrochemicalanalysis;Spectrophotometry;Testresults;Testing;Thiourea;Tin
【摘要】:Thisdocumentspecifiesthespectrophotometricmethodforthedeterminationoftincontentofcopperandcopperalloysintheformofunwrought,wroughtandcastproducts.Themethodisapplicabletoproductshavingtinmassfractionsbetween0,005%and0,5%.
【中国标准分类号】:H13
【国际标准分类号】:77_040_30;77_120_30
【页数】:12P.;A4
【正文语种】:德语
