表面聲壓級 的英文怎麼說

中文拼音 [biǎomiànshēngyājí]
表面聲壓級 英文
surface sound pressure level
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 壓 : 壓構詞成分。
  • 級 : Ⅰ名詞1 （等級） level; rank; grade 2 （年級） any of the yearly divisions of a school course; gra...
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  1. We also proposed a reformed surface speed method based on the problems of surface speed method in engineering application. this method can make sure the structure radiant sound status in total noise and the detail phonate part quickly and correctly

    根據表面速度法在工程應用中存在的問題提出了頻帶聲壓級差值法，該方法能快速準確地確定結構聲在總噪聲中的地位和結構的具體發聲部位。
  2. In this paper, nanosized al2o3 ceramic particles were chose as reinforcing phase. enhanced with ultrasonic wave the particles were covered with copper using method by electroless plating, the copper - matrix composite was developed by hot - press sintering process of the composite powder. the composition, microstructure, hardness, density and dry sliding wear property of the new material have been studied

    研究路線為：選用納米級al _ 2o _ 3陶瓷顆粒作為增強相，在超聲波的環境中用化學鍍的方法完成對納米al _ 2o _ 3陶瓷顆粒表面的金屬銅包覆，採用熱壓燒結成型技術以復合粉末為原料制備成納米al _ 2o _ 3陶瓷顆粒增強銅基復合材料，研究分析復合材料的成分、組織結構、硬度以及緻密度，對試樣進行了干滑動摩擦磨損實驗。
  3. Acoustics - determination of sound power levels of noise sources using sound pressure - survey method using an enveloping measurement surface over a reflecting plane

    聲學聲壓法測定噪聲源聲功率級反射面上方採用包絡測量表面的簡易法
  4. Acoustics. determination of sound power levels of noise sources using sound pressure. survey method using an enveloping measurement surface over a reflecting plane

    聲學.使用聲壓法對噪聲源聲強級的測定.在反射平面上利用包封測量表面的測量法
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