排放噪聲 的英文怎麼說
中文拼音 [bèifàngzàoshēng]
排放噪聲
英文
displacement noise-
Long - hole and geometrical proportion type of mixing unit is finally adapted in lpg supply system, and power and torque output of lpg engine are improved by increasing compression ratio, and ignition characteristic is tried to adjusted to satisfy engine performance. meantime emission performance and noise level of lpg engine at full - throttle and other various part - throttle operations are tested and compared with former gasoline engine. ( 3 ) it is verified by engine dyno tests that lpg engine has better synthesized performance at aspects of power and torque, fuel economy, as well as emission than former gasoline engine
選擇了等比例長孔式混合器控制空燃比；通過提高壓縮比來彌補動力性的損失；以動力性為主控目標，對最大功率點、最大扭矩點、中等轉速、最低轉速點所對應的發動機轉速做了點火特性的調節；通過空燃比的合理控制，直接改善發動機的動力性、經濟和排放指標；作為對缸內燃燒過程的理論分析，進行了燃燒特性的實驗測試；對原汽油機和新開發的液化石油氣發動機，進行了外特性和部分負荷特性以及怠速的排放及噪聲對比性測試。Furthermore, it is also verified by chassis dyno tests that lpg motorcycle has better emission performance than gasoline engine, and has better acceleration performance e. g. exceed acceleration than former gasoline engine, and has low noise level characteristics as well as has ability to achieve equivalent level fuel economy performance compared with former gasoline engine
整車動力性、經濟性和排放性轉鼓臺架試驗對比表明： lpg摩托車整體排放性能優于汽油摩托車；最高車速略有下降但加速性基本與汽油摩托車相同（超越加速性優于汽油摩托車） ； lpg摩托車具有良好的低噪聲特性，且整車燃料消耗率及其經濟性與原機基本相當。Specific requirements for the competence of testing laboratories for noise and vibration in the field of immission control
排放控制區噪聲和振動檢驗的實驗室的能力的特定要求Mire acoustics - determination of sound immission from sound sources placed closed to the ear - part 1 : technique using a microphone in a real ear mire technique
聲學.置於耳邊的噪聲源排放噪聲的測定.真耳中使用傳聲器的技術Measurement of airborne noise emitted by machines ; enveloping surface method, comminuting machines
機器排放的空氣傳播噪聲的測量.第31部分:包洛面法.粉Acoustics - measurement of airborne noise emitted by information technology and telecommunications equipment - amendment 1 : noise measurement specification for cd dvd - rom drives
聲學.信息技術設備和電信設備排放氣載噪聲的測量.修改件1 : cd cvd - rom驅動器的噪聲測量規范Measurement of noise emitted by stationary road vehicles
道路車輛停車排放噪聲的試驗方法The porous diffusion type silencer is widely used to reduce the air flow noise because of its small volume and high noise attenuating ability. the out case of the silencer plays a very important role in reducing noise. the effect of the hole ' s shape, diameter and the distance between neighboring holes as well as the matchup between the case and the sound absorbing material tube are investigated experimentally. the relation between the out - flow noise and the gas velocity distribution is carefully studied for two different kinds of matchup between the case and the sound absorbing material tube. some useful results are gotten, which may be valuable to the design of the silencer
多孔擴散型消聲器由於其體積小、消聲性能高而廣泛應用到排氣噪聲的降低上，其外殼對消聲器的消聲性能具有重要作用.本文對此類消聲器外殼的孔型、孔徑和孔距以及外殼同消聲材料的配合方面進行了細致的實驗研究，特別對外殼與消聲材料的配合與其排放噪聲以及外部流場之間的關系進行了探討，得到了一些有用的結論，對消聲器性能的提高具有一定指導意義。The application of electronically controlled technology to diesel engines provides flexibility and effectiveness in reduction of emission, noises and improvement of engine performances, saving energy, etc. in order to improve the all - round performance of diesel engine, a research on the integration of electronically controlled fuel injection and inhale - exhaust system of diesel engine is done by our research group
柴油機採用電控技術后為控制排放、節約能源、降低噪聲、改善性能提供了靈活而有效的手段。為了實現柴油機全電子控制，課題組對柴油機燃油和配氣系統的綜合電控技術進行了研究。本文的主要工作為：在中壓共軌電控燃油系統上實現預噴射。Methods of measurement for noise emitted by wood working machinery
木材加工機械噪聲排放的測量方法Measurement of airborne noise emitted by machines ; enveloping surface method ; mine trackless vehicles
機器排放的空氣傳播噪聲的測量.第54部分:包洛面法.礦Measurement of airborne noise emitted by machines ; enveloping surface method ; diesel traction trolleys
機器排放的空氣傳播噪聲的測量.第53部分:包洛面法.柴Measurement of airborne noise emitted by machines ; enveloping surface method ; continuous handling equipment
機器排放的空氣傳播噪聲的測量.第45部分:包洛面法.連Measurement of airborne noise emitted by machines ; enveloping surface method ; cartridge - operated fixing tools
機器排放的空氣傳播噪聲的測量.第34部分:包洛面法.卡Measurement of airborne noise emitted by machines ; enveloping surface method ; woodworking machines sanding machines
機器排放的空氣傳播噪聲的測量.第1663部分:包洛面法Measurement of airborne noise emitted by machines ; enveloping surface method ; woodworking machines ; routing machines
機器排放的空氣傳播噪聲的測量.第1660部分:包洛面法Measurement of airborne noise emitted by machines ; enveloping surface method, woodworking machines, planing machines
機器排放的空氣傳播噪聲的測量.第1650部分:包洛面法Measurement of airborne noise emitted by machines ; enveloping surface method ; metal working machines, circular sawing machines
機器排放的空氣傳播噪聲測量.包絡面法.金屬加工機床Measurement of noise emitted by machines ; airborne noise emission ; enveloping surface method ; outboard motors
機器排放的噪聲測量.空氣傳播的噪聲.第57部分:包洛面This thesis is worked on the soc of battery management system, the prediction of discharge capacity of mh / ni battery is a main part of battery management system. the exact and reliable soc of estimation for battery is necessary for the battery management system in hev, it is the key of practical of the hev
隨著能源和環保問題的日益突出，混合動力電動汽車以其零排放，噪聲低，等優點而受到世界各國的高度重視，作為發展電動車的關鍵技術之一的電池能量管理系統，是電動車商品化，實用化的關鍵。分享友人