国产精品久久久在线观看_亚洲免费观看视频网站_国产盗摄视频一区二区三区_久久久国产一级 - 日本在线观看一区

歡迎來到寰標網！ 客服QQ：772084082 加入會員
已選條件： 運輸工具的噪聲
每頁顯示20 條，共找到 983 條結果 <1/50>
標準編號 標準名稱 發布部門 發布日期 狀態
UNE EN ISO 13473-1:2006 Characterization Of Pavement Texture By Use Of Surface Profiles - Part 1: Determination Of Mean Profile Depth Asociacion.. 2020-02-02 被替代
ISO/DIS 13325 Tyres - Coast-by methods for measurement of tyre-to-road sound emission Internatio.. 2018-05-10 現行
ISO 18405:2017 Underwater acoustics - Terminology Internatio.. 2017-04-25 現行
ISO 18406:2017 Underwater acoustics - Measurement of radiated underwater sound from percussive pile driving Internatio.. 2017-04-25 現行
I.S. EN 1793-1:2017 Road Traffic Noise Reducing Devices - Test Method for Determining the Acoustic Performance Part 1: Intrinsic Characteristics of Sound Absorption Under Diffuse Sound Field Conditions National S.. 2017-04-16 現行
ISO 11819-2:2017 Acoustics - Measurement of the influence of road surfaces on traffic noise Part 2: The close-proximity method Internatio.. 2017-04-03 現行
DIN EN ISO 14509-1 (2017-02) Small craft - Airborne sound emitted by powered recreational craft Part 1: Pass-by measurement procedures (ISO 14509-1:2008) German Ins.. 2017-02-01 現行
DIN EN 1793-5 (2016-10) Road traffic noise reducing devices - Test method for determining the acoustic performance Part 5: Intrinsic characteristics - In situ values of sound reflection under direct sound field conditions German Ins.. 2016-10-01 現行
JIS D 1024-1:2016 Measurement Of Noise Emitted By Accelerating Road Vehicles - Engineering Method - Part 1: M And N Categories Japanese S.. 2016-09-20 現行
JIS D 1024-2:2016 Measurement Of Noise Emitted By Accelerating Road Vehicles - Engineering Method - Part 2: L Category Japanese S.. 2016-09-20 現行
DIN CEN/TR 15874 (2016-09) Railway Applications - Noise Emission - Road Test Of Standard For Rail Roughness Measurement En 15610:2009 German Ins.. 2016-09-01 現行
DIN CEN/TR 15874*DIN SPEC 45659 (2016-09) Railway Applications - Noise Emission - Road Test Of Standard For Rail Roughness Measurement En 15610:2009 German Ins.. 2016-09-01 現行
DIN ISO 10844 (2016-09) Acoustics - Specification of test tracks for measuring noise emitted by road vehicles and their tyres (ISO 10844:2014) German Ins.. 2016-09-01 現行
ISO 20283-3:2006/Amd 1:2016 Mechanical vibration - Measurement of vibration on ships Part 3: Pre-installation vibration measurement of shipboard equipment - Amendment 1 Internatio.. 2016-07-12 現行
ISO 362-3:2016 Measurement of noise emitted by accelerating road vehicles - Engineering method Part 3: Indoor testing M and N categories Internatio.. 2016-06-30 現行
ISO 16254:2016 Acoustics - Measurement of sound emitted by road vehicles of category M and N at standstill and low speed operation - Engineering method Internatio.. 2016-05-02 現行
I.S. EN 1793-5:2016 Road Traffic Noise Reducing Devices - Test Method for Determining the Acoustic Performance Part 5: Intrinsic Characteristics - in Situ Values of Sound Reflection Under Direct Sound Field Conditions National S.. 2016-04-17 現行
ISO 17208-1:2016 Underwater acoustics - Quantities and procedures for description and measurement of underwater sound from ships Part 1: Requirements for precision measurements in deep water used for comparison purposes Internatio.. 2016-03-21 現行
NS EN 1793-4:2015 Road Traffic Noise Reducing Devices - Test Method For Determining The Acoustic Performance - Part 4: Intrinsic Characteristics - In Situ Values Of Sound Diffraction Norwegian .. 2015-06-01 現行
BS EN 14389-2:2015 Road Traffic Noise Reducing Devices - Procedures For Assessing Long Term Performance - Part 2: Non-Acoustical Characteristics British St.. 2015-05-31 現行
cacheName: