消聲箱 的英文怎麼說
中文拼音 [xiāoshēngxiāng]
消聲箱
英文
anechoic enclosure-
There are over 80 sets test apparatus in tech - innovation centre, including : anechoic chamber, vibration tester, vibration measurement analysis, impact instrument, constant temperature and humidity facilities. salt spary test case, circle insulation withstand voltage tester, insulation resistance tester, withstand voltage tester, electric lead tester, electrical leakage tester, earth resistance tester, chassis dynamometer, chassis dynamometer control system, high stability dc resistance tester, electrical capacity tester, temperature rise test system
中心擁有各類分析測試儀器和試驗裝置80餘臺套，包括：消音室振動臺噪聲振動測試分析系統沖擊儀恆溫恆濕實驗儀鹽霧試驗箱匝間耐壓分析儀絕緣電阻分析儀對地耐壓分析儀泄露電流測試儀對地電阻測試儀測功機測功機控制系統高精度直流電阻測試儀電參數測試儀帶電溫升測試儀復合式三坐標測量儀萬分投影儀及電功測試分析系統等。This paper studies the mechanism generated from flow - noise in seawater pipeline, introduces controlling method of flow - noise, analyzes sound field characteristics of flow - noise in seawater pipeline system and the merits and demerits of measuring the flow - noise methods in and out of the pipeline. in our experiment, a test measuring device of seawater muffler is used in a measuring chamberlet to verify that a method of reverberation chamberlet is difficult to exactly measure the low frequency flow - noise in pipeline. at the same time the insertion lose of water muffler in the low frequency was measured by the measuring chamberlet method
本文分析了海水管路系統內流噪聲的產生機理，介紹了流噪聲的控制方法；分析了海水管路系統中流噪聲的聲場特性以及流噪聲管內、管外測量方法的優缺點；通過海水消聲器試驗測量臺架，利用測量小室驗證了混響箱法難以準確測量海水管路系統中的低頻流噪聲；用測量小室對水消聲器在低頻段的插入損失進行了測量。The corporation is professional at manufacturing the fin, tube - in - sheet copper, aluminium evaporator and fiber tube condenser of refrigerators ; indoor / outdoor copper, aluminium connecting pipe for air - conditioner ; fittings pipe of air - conditioner ; stainless steel cooling tube, heating tube of water dispenser, assembly of copper, aluminum evaporator and fiber tube condenser of small refrigerator, copper & aluminum joints with various specifications ; various models of copper & aluminium liquid reserviors, muffler and oil segregator ; various radiators of electric control board
企業生產工藝先進，技術裝備精良，其中高、中級工程師多人，專業生產冰箱、冷櫃翅片式.板管式銅.鋁蒸發器及絲管冷凝器；空調室內外機銅.鋁連接管；空調配件管；飲水機不銹鋼冷罐、熱罐、小冰箱銅.鋁蒸發器總成及絲管冷凝器總成；各規格銅鋁接頭；各型號銅.鋁儲液器、消聲器、油分離器；各類電控板散熱器。Then, some proposals and methods are brought forward on the analysis of the causes of these kinds of noise. seeing that the noise radiates through the inlet of air and iron box, a silencer for the inlet and a rectangular enclosure are designed
針對加熱器回風口和方箱是噪聲向外輻射的必經途徑，本文主要從消聲器消聲設計、方箱隔聲設計兩個方面出發，探討了不改變加熱器結構的降低噪聲方法。Following guidance from the hkma, banks have been required to remove from their terms and conditions for safe deposit boxes any exemption of liability clauses that exclude a bank s liability for its own negligence completely or limit such liability to a nominal amount
繼金管局發出有關指引后，本港銀行已被要求取消保管箱服務章則及條款內聲稱銀行對本身疏忽引起的損失概不負責或僅以某象徵式數額作為責任上限的免責條款。It solves a series of problems, such that the low sensitivity, no convenience, no beauty and so on. vk2000 adopts the usb port, plug - and - play, no any drive program, which combines microphone and sound box. it combs out the network echo and yawp, with the latest technology in full duplex audio and the microphone is good adapterization from the whole direction
回聲消除技術很好地解決了傳統音頻設備易產生網路回聲，拾音靈敏度低噪音大等問題，保證了良好的雙向通話效果它將麥克風和音箱集成一體，全向拾音，免提通話，拾音距離達到A rectangular box simulating the axial box of the lathe tool is manufactured ; experimental measurements of the surface vibration on the rectangular box and the acoustic field around the rectangular box corresponding to firstly a series of a homogeneous excitation and secondly two iii independent white noise excitations are taken in a semi - anechoic chamber. taking the vibratory properties as input, the properties of the sound field are calculated by the evsbpm and the sdsbpm respectively. the effectiveness and reliability of the evsbpm and the sdsbpm for the calculation of acoustic radiation problem is further verified from the comparison of the calculated results and measured ones
第五章設計加工了一模擬機床主軸箱的長方箱體，在半消聲室環境下，分別對其在單點處一系列簡諧激勵作用下和兩點處的獨立白噪聲激勵作用下的振動及其輻射聲場進行了實驗研究和分析計算，通過計算結果和實測值之間的比較，進一步驗證了改進體積源邊界合肥工業大學搏士學位論文點方法和統計分佈源邊界點方法計算振動聲輻射問題的有效性和可靠性。分享友人