DIN EN 14462-2005 表面处理设备.表面处理设备及其辅助处理设备的噪声试验规范.精确度级别2和3

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【英文标准名称】:Surfacetreatmentequipment-Noisetestcodeforsurfacetreatmentequipmentincludingitsancilliaryhandlingequipment-Accuracygrades2and3;GermanversionEN14462:2005
【原文标准名称】:表面处理设备.表面处理设备及其辅助处理设备的噪声试验规范.精确度级别2和3
【标准号】:DINEN14462-2005
【标准状态】:作废
【国别】:德国
【发布日期】:2005-05
【实施或试行日期】:2005-05-01
【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】:噪声辐射;机械工程;测量不确定度;声级;定义;测量;噪声;表面处理设备;噪声测量;测量仪器;数学计算;额定值;铺面;噪声控制;噪声级;发射值;加工设备;试验条件;测量条件;声音传播;检测点;表面处理技术;排放测量;噪声抑制;噪声(环境的);空气噪声测量;工作地点;机器;洗片机;声强;声学;测量技术;声学测量;表面处理;被测量值;声压级;精密度;噪声降低;发出的空气噪声
【英文主题词】:Acousticmeasurement;Acoustics;Airbornenoiseemitted;Checkpoint;Definitions;Emissionmeasurement;Emissionvalues;Machines;Mathematicalcalculations;Measuredvalue;Measurement;Measurementconditions;Measurementofairbornenoise;Measuringincertainity;Measuringinstruments;Measuringtechniques;Mechanicalengineering;Noise;Noiseabatement;Noisecontrol;Noiseemissions;Noise(environmental);Noiselevels;Noisemeasurements;Noisereduction;Precision;Processingmachines;Productionequipment;Ratings;Soundintensity;Soundlevel;Soundlevels;Soundpressurelevel;Soundpropagation;Surfacetreatment;Surfacetreatmentplants;Surfacetreatmenttechnology;Surfacing;Testingconditions;Treatmentsofsurfaces;Workingplaces
【摘要】:
【中国标准分类号】:Z32
【国际标准分类号】:17_140_20;25_220_01
【页数】:32P.;A4
【正文语种】:德语

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【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems;Localandmetropolitanareanetworks;Specificrequirements-Part15.4:WirelessMediumAccessControl(MAC)andPhysicalLayer(PHY)specificationsforLow-RateWirele
【原文标准名称】:信息技术.系统间远程通信和信息交换.局域网和城域网.特殊要求.第15.4部分:低速率无线个人区域网用无线媒体访问控制和物理层规范
【标准号】:IEEE802.15.4-2003
【标准状态】:作废
【国别】:美国
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国电气电子工程师学会(IEEE)
【起草单位】:IEEE
【标准类型】:()
【标准水平】:()
【中文主题词】:局域网;物理层;描述;网络互连;无线;数据传送;管理;安全;多路存取计算机;信息处理;传播方式;媒体访问控制;人类;电路网络;局部地区网络;频率;数据处理;数据网络;接口(数据处理);城域网;定义
【英文主题词】:
【摘要】:
【中国标准分类号】:M11
【国际标准分类号】:35_110
【页数】:679P;A4
【正文语种】:英语

Product Code:SAE AIR1387
Title:Designing With Elastomers for Use At Low Temperatures, Near Or Below Glass Transition
Issuing Committee:Ams Ce Elastomers Committee
Scope:To ensure success in design of elastomeric parts for use at low temperature, the design engineer must understand the peculiar properties of rubber materials at these temperatures.There are no static applications of rubber. The Gaussian theory of rubber elasticity demonstrates that the elastic characteristic of rubber is due to approximately 15% internal energy and the balance, 85%, is entropy change. In other words, when an elastomer is deformed, the elastomer chain network is forced to rearrange its configuration thereby storing energy through entropy change. Thermodynamically, this means that rubber elasticity is time and temperature dependent (Reference 25).The purpose of this report is to provide guidance on low temperature properties of rubber with the terminology, test methods, and mathematical models applicable to rubber, and to present some practical experience. In this way, it is hoped that mistakes can be avoided, particularly in selection of rubber materials, enabling the design engineer to weigh low-temperature material properties together with the many other factors involved in the design process.