acoustical test 中文意思是什麼
acoustical test
解釋
聲學試驗- acoustical : adj. 1. 聽覺的；聲學的。2. 助聽的；傳音的。3. 原聲的，不經過電子設備傳聲的。adv. -tically 在聽覺上；在聲學上。
- test : n 1 檢驗，檢查；考查；測驗；考試；考驗。2 檢驗用品；試金石；【化學】試藥；（判斷的）標準。3 【化...
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Acoustics - test code for the determination of acoustical characteristics of sound barriers installed in a free field
聲學.無聲波場中安裝的隔音設備的聲學特性測定用試驗規程 -
Standard test method for airflow resistance of acoustical materials
隔聲材料氣流阻力的標準試驗方法 -
Standard test method for impedance and absorption of acoustical materials by impedance tube method
用阻抗管法測定隔音材料的聲阻抗與吸音性的標準試驗方法 -
Standard test method for luminous reflectance factor of acoustical materials by use of integrating - sphere reflectometers
使用集成球形反射計測定音響材料反光因素的標準試驗方法 -
Standard test method for impedance and absorption of acoustical materials using a tube, two microphones, and a digital frequency analysis system
管子雙擴音器和數字頻率分析系統用傳聲材料的阻抗和吸收的試驗方法 -
Test method for vertical rebound characteristics of sports surface ball systems ; acoustical measurement
球類運動場垂直回彈特性試驗方法.聲學測量 -
Standard test method for vertical rebound characteristics of sports surface ball systems ; acoustical measurement
球類運動場垂直回彈特性的標準試驗方法.聲學測量 -
Mobile waste containers. test code for the measurement of airborne acoustical noise emitted by mobile waste containers
移動式廢料箱.測定移動式廢料箱產生的空氣傳播噪聲的測量規程 -
Household and similar electrical appliances - test code for the determination of airborne acoustical noise - part 1 : general requirements
家用及類似電器.氣載噪聲測定試驗規程.第1部分:一般要求 -
Acoustics - household and similar electrical appliances - test code for determination of airborne acoustical noise part 1 : general requirements
聲學家用電器及類似用途器具噪聲測試方法第1部分:通用要求 -
Test code for the determination of airborne acoustical noise emitted by household and similar electrical appliances - general requirements
測定家用和類似用途電氣設備發出的氣載噪聲的試驗規程.一般要求 -
Household and similar electrical appliances - test code for the determination of airborne acoustical noise - part 2 - 7 : particular requirements
家用和類似電器.氣載噪聲測定試驗規程.第2 - 7部分:特殊要求 -
Household and similar electrical appliances - test code for the determination of airborne acoustical noise - part 2 - 4 : particular requirements for washing machines and spin extractors
家用和類似用途電器.測定空氣傳播的噪聲的試驗規程.第2 - 4部分:洗衣機和離心式脫水機的特殊要求 -
Standard test method for measuring acoustical and airflow performance of duct liner materials and prefabricated silencers
測定導管襯里材料和預制消音材料的聲及氣流特性的標準試驗方法 -
Test code for the determination of airborne acoustical noise emitted by household and similar electrical appliances. part 2 : particular requirements for forced draught convection heaters
測定家用和類似電器發出的空氣傳播的噪聲的試驗規程.第2部分:對送風式對流電暖爐的特殊要求 -
Test code for the determination of airborne acoustical noise emitted by household and similar electrical appliances - particular requirements - particular requirements for range hoods
測定家用和類似用途電器發出的氣載噪聲試驗規程.專門要求.爐罩專門要求 -
Based on the characteristics of the membrane structures, wind - induced nonlinear coupling dynamic response analysis which can be applied to closed membrane structures is developed and the added air mass the pneumatic stiffness and the acoustical damping of the closed membrane structures are deduced. applying the method to an aeroelastic model of wind tunnel test, the displacement the velocity and the acceleration of corresponding prototype structure in time domain are obtained
本文針對封閉式薄膜結構和敞開式薄膜結構推導了全新的非線性流固耦合風振響應公式，其中耦合因素包括附加空氣質量、氣承剛度和聲致阻尼以及相對運動速度，並將此理論應用於一氣彈模型的計算，獲得了位移、速度、加速度時程以及加速度均方根。 -
Household and similar electrical appliances - test code for the determination of airborne acoustical noise - part 2 - 3 : particular requirements for dishwashers
家用和類似用途電器.測定空中傳播的噪聲的試驗規程.第2 - 3部分:洗碟機的特殊要求 -
Preparation of the accreditation annex of acoustical test standards
聲學試驗標準的審定附件的編碼 -
N 1998, we imported seven sets of b k system including bk2012, bk4251 and bk2636, with which can finish the measurement of all the parameter and acoustical test
擁有bk2012聲頻分析儀bk4231聲級校準儀以及bk2636等全套bk傳聲器測量系統，與消聲室配合可進行傳聲器的全部參數測量及聲學試驗
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