混響級 的英文怎麼說

中文拼音 [húnxiǎngjí]
混響級 英文
revetive reverberation level
  • 混 : 混形容詞1. （渾濁） muddy; turbid2. （糊塗; 不明事理） foolish; stupid
  • 級 : Ⅰ名詞1 （等級） level; rank; grade 2 （年級） any of the yearly divisions of a school course; gra...
  1. It is expectative because of both its eminent performance and simple construction technology, and its economical preponderance. through the test of the six fibers and three gradations, the asphalt mixture of different combination, this paper analyses the fibers influence on the pavement performance, expatiates the strengthening mechanism of the fiber asphalt concrete pavement with theory of composite material and the interfacial chemistry

    本文通過六種纖維和三種礦料級配的瀝青混合料大量室內試驗研究，全面分析了纖維對瀝青混合料路用性能的影響，結合復合材料理論和界面化學知識，較系統的闡述了纖維對瀝青混合料路用性能的改善作用機理。
  2. In this paper, the effects of fly ash, cement, lime, fine sands, foam agent, w / c ratio and additional agent on foamed concrete were studied by experiments, the best combination ratio of fly ash foamed concrete whose density varies from 551kg / m3 to 650kg / m3 was obtained through orthogonal test design, the foam agent quantity and the fly ash quantity effect the fly ash foamed concrete greatly, so the author selected them as independents to establish duality linear regression equations, the equations were quite ideal through the test of model summary r. moreover, the author also did some experiments about the water resistance of magnesium oxychloride cement fly ash foamed concrete, the outcome showed that phosphoric acid has good effect on water resistance, and its appropriate quantity was found

    本文通過試驗研究了粉煤灰、水泥、石灰、細砂、發泡液、水灰比及外加劑對粉煤灰發泡混凝土性能的影響，採用正交設計試驗方法得出了600級粉煤灰發泡混凝土的最佳配合比，同時發現發泡液和粉煤灰摻量對發泡混凝土的影響最為顯著，因此，以二者為自變量建立了二元線性回歸方程，通過全相關系數的檢驗發現方程較為理想。此外，還對氯氧鎂水泥基粉煤灰發泡混凝土的耐水性進行了相關實驗，發現磷酸有較好的耐水性效果，同時找到了其合適的摻量范圍。
  3. The fixed quantity guideline of the timbre is given by testing the empty yard reverberation time and calculating the full yard reverberation time of the odeum in the xiaogan college

    本文通過對孝感學院音樂演播廳混響時間、聲壓級分佈及背景噪聲等客觀質量的測試，給出了定量的音質評價。
  4. Reverberant room method for sound power level testing of ventilators

    空調風機噪聲聲功率級測定?混響室法
  5. Industrial fans - determination of fan sound power levels under standardized laboratory conditions - reverberant room method

    工業風扇.標準實驗室條件下風扇聲功率級的測定.混響室法
  6. Industrial fans - determination of fan sound power levels under standardized laboratory conditions - part 2 : reverberant room method

    工業用風扇.標準化實驗室條件下風扇聲功率級的測定.第2部分:混響室法
  7. Acoustics - determination of sound power levels of noise soures - engineering methods for small, movable sources in reverberant field - part 1 : comparsion method for hard - walled test rooms

    聲學聲壓法測定噪聲源聲功率級混響場中小型可移動聲源工程法第1部分:硬壁測試室比較法
  8. Acoustics - determination of sound power levels of noise sources - engineering methods for small, movable sources in reverberant fields - methods for special reverberation test rooms

    聲學.噪聲源的聲功率級測定.在混響場中對可移動聲源的工程測量方法.用專用混響試驗室的測量方法
  9. Acoustics - determination of sound power levels of noise sources - engineering methods for small, movable sources in reverberant fields - comparison for hard - walled test rooms

    聲學.噪聲源聲功率級的測定.在混響聲場中小聲源和移動聲源的工程測量方法.第1部分:硬墻試驗室的比較分析法
  10. Acoustics - determination of sound power levels of noise sources - engineering methods for small, movable sources in reverberant fields - part 1 : comparison method for hard - walled test rooms

    聲學.測定噪聲源的聲功率級.混響場內小型可移動聲源的工程法.第1部分:硬壁試驗室中的比較法
  11. Acoustics - determination of sound power levels of noise sources - engineering methods for small, movable sources in reverberant fields - part 2 : methods for special reverberation test rooms

    聲學.聲壓法測定噪聲源聲功率級.混響聲場中小型可移動聲源的工程檢測法.第2部分:專用混響試驗室法
  12. Acoustics. determination of sound power levels of noise sources. engineering methods for small, movable sources in reverberant fields. part 1 : comparison method for hard - walled test rooms

    聲學.噪聲源聲強級的測定.混響聲場中小聲源和移動聲源的工程測量方法.第1部分:硬墻試驗室的比較分析法
  13. Acoustics - determination of sound power levels of noise sources - using sound pressure - engineering metheds for small, movable sources in reverberant fields - part 2 : methods for special reverberation test rooms

    聲學聲壓法測定噪聲源聲功率級混響場中小型可移動聲源工程法第2部分:專用混響測試室法
  14. Professional lavel 24 bit dsp reverberation echo clrcie 4 types of singing mode cound be selected

    專業級24bit數碼dsp混響回聲電路，四種演唱模式可供選擇。
  15. Acoustics - determination of sound power levels of noise sources using sound pressure - precision methods for reverberation rooms

    聲學聲壓法測定噪聲源聲功率級混響室精密法
  16. Acoustics. determination of sound power levels of noise from air - terminal devices, air - terminal units, dampers and valves by measurement in ? reverberation room

    聲學.混響室空調終端設備空調終端部件氣流調節器和閥門的噪音聲功率級測定
  17. Acoustics. determination of sound power levels of noise sources using sound pressure. engineering methods for small, mowable sources in reverberant fields. part 2 : methods for special reverberation test rooms

    聲學.使用聲壓法對噪聲源聲強級的測定.混響聲場中小聲源和移動聲源的工程測量方法.第2部分:特殊混響試驗間用方法
  18. Methods for testing and rating fan coil units, unit heaters and unit coolers - determination of sound power levels of fan coil units, unit heaters and unit coolers using reverberating rooms

    風機盤管供暖裝置單元供熱器和單元供冷器試驗和評定方法.第4部分:風機盤管供暖裝置單元供熱器和單元供冷器的混響室聲級測定法
  19. We get and analysis the data of the reverberation, noise and acoustic pressure level of the conference hall and lecture hall in some northern university in measurement

    實測和分析了北方某大學的甲報告廳和乙會議廳的混響時間、背景噪聲、聲場級等數據。
  20. Reverberation room is the special test room that is used in acoustics, in the measurement of sound absorption coefficient in random incidence and determination of sound power levels of noise sources, the reverberation room is used very extensively

    摘要混響室是聲學專業的實驗室用房，它在測量聲波無規入射時材料的吸聲系數和測量噪聲源的聲功率級中得到了廣泛應用。
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