氣體擴散 的英文怎麼說

中文拼音 [qìtǐkuòsǎn]
氣體擴散 英文
diffusion of gases
  • 氣 : Ⅰ名詞1 （氣體） gas 2 （空氣） air 3 （氣息） breath 4 （自然界冷熱陰晴等現象） weather 5 （氣味...
  • 體 : 體構詞成分。
  • 擴 : 動詞（擴大） expand; enlarge; extend
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 氣體 : gas; gaseous fluid
  1. Combined heat and mass transfer by natural convection which is caused by heat and mass diffusion can be seen in nature and some processes of industry, such as evaporation and desiccation. these processes relate to aeronautics, hydraulics, mechanics, chemical engineering, oceanography and aerography

    熱及物質擴散引起的傳熱傳質復合自然對流常見于自然界和蒸發、乾燥等工業過程，涉及到航空、水利、機械、化工、海洋、氣象等諸多領域，其流體力學和傳質傳熱特性一直是人們研究的重點。
  2. Network analysis of ternary gas diffusion in porous media

    多孔介質中三組分氣體擴散的網路分析
  3. Correlations of diffusivities for gases

    氣體擴散率的關系式
  4. The research results show that the radius of the gas channels and the electronic conductivity in carbon phase of the reaction layer, and the porosity of the gas diffusion layer are relatively less important

    研究結果表明氣體擴散層孔隙率，反應層氣體通道的半徑以及碳相中電子傳導率等參數的變化對電極性能影響不大。
  5. The calculation results show that the radius of the gas channels in the reaction layer and the porosity and average pore radius of the gas - diffusion layer seem to be less important for the performance of the electrode

    模型結果表明對于電極性能而言，氣體擴散層的孔隙率與平均孔徑以及反應層氣體通道的半徑，相對其他參數來說顯得不太重要。
  6. Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of alkaline fuel cell ( afc ) and pemfc have been expressed with the tffa model, including oxygen transferring in gas channel of gas diffusion layer and reaction layer, oxygen dissolution and diffusion in thin - film of reaction layer, oxygen reaction and diffusion in flooded - agglomerate of reaction layer and the conduction of electron and ion. numeric algorithm of the model equations is also obtained

    本文將tffa模型應用於堿性燃料電池（ afc ）和質子交換膜燃料電池（ pemfc ）陰極，推導出陰極各種傳遞和反應過程的描述方程，包括氧氣在氣體擴散層和反應層氣體通道中的擴散，氧氣在反應層薄膜中的溶解和擴散，氧在反應層浸漬聚集體中的反應和擴散以及電子和離子的傳導，並給出方程的數值解法。
  7. Air sampling devices - diffusive type for gases and vapors in working environments

    空氣抽樣裝置.工作場所中氣體和蒸氣的擴散類型
  8. Apply to such industry as petroleum, chemical industry, textile, metallurgy, electron and atomic energy, etc., is it filter, charge dust, gas not to spread, is it steam take, catalysis reflect, electrolytic, eliminate noise, damping, hinder fire and sweat function of cooling etc. to flow to have

    應用在石油化工紡織冶金電子及原子能等工業中，有過濾收塵氣體擴散流蒸化催化反映電解消聲阻尼阻火及發汗冷卻等作用。
  9. In the thesis, we proposed a random lattice model of mea the lattice model randomly occupied by three kinds of particles, pt / c, nafion and ptfe ( poly - tetra - fluoro - ethylene ), was generated on a computer by the means of monte carlo method. it was supposed that current was only produced on those catalysts which have not only channels of electrons via carbon but also have channels of proton via nafion. the purpose of the work, in a word, is to find how many catalysts, pt / c, with such a two - types channels

    本文首先建立了質子交換膜燃料電池的膜電極的隨機方格子模型，在電極模型各格點位置用montecarlo方法生成隨機分佈的電極粒子、 nafion粒子和聚四氟乙烯團粒，認為只有那些既有質子傳輸通道，又有連續的電子通道和氣體擴散通道的胞元才產生有效的電流，而其餘胞元不產生電流，把電極的輸出電流轉化成一個概率事件。
  10. In this paper the anode porous diffusion layer model of dmfc for mass transfer has been described on the basis that all components are gaseous and well mixed. the purpose of the model is to determine the variation in concentration of species in the diffusion layer and thus the concentration of the reactive species at the edge of the reaction layer

    本文還推導出了氣相進料的dmfc陽極多孔擴散層模型，模型詳細描述了甲醇，水以及二氧化碳在擴散層中的傳遞和反應，使用本模型可以確定各種物質在陽極多孔擴散層中濃度的變化，並可由此確定氣體擴散層催化劑層邊界處反應物質的濃度。
  11. Gaseous diffusion method of uranium enrichment

    鈾濃縮的氣體擴散法
  12. Test method for rubber hose for gas diffusion of liquefied petroleum gas

    液化石油氣氣體擴散用橡膠軟管的試驗方法
  13. Gaseous diffusion process

    氣體擴散法
  14. Gas diffusion velocity

    氣體擴散速度
  15. Standard test method for available cyanide with ligand displacement and flow injection analysis utilizing gas diffusion separation and amperometric detection

    用氣體擴散分離和電流計探測法對有效氰化物進行配位位移和流量注入分析的標準試驗方法
  16. The thin - film and flooded - agglomerate ( tffa ) model assumes that the oxygen diffusion electrode made of a gas - diffusion layer and a reaction layer possesses a double - scales of porous structure in the reaction layer

    薄膜浸漬聚集體（ tffa ）模型假定由氣體擴散層和反應層構成的氧氣擴散電極在反應層中是一種二次構造形式的多孔結構。
  17. ( 5 ) when hydrocarbon compound is coved by thick shale, hundreds meters low velocity gas incursion diffuse band is seen clearly above sandstone in huanhua sag. sometimes bulk and range of incursion diffuse band is large than hydrocarbon compound accumulate body. its seismic response must be recorded

    （ 5 ）研究發現，當烴類聚集體被厚層泥巖覆蓋，在其上方出現百米以上的低速氣浸擴散暈的現象，它對地震波場的附加影響必會被記錄下來，使對2500 4500米埋深含油氣砂巖的地震檢測成為可能。
  18. The 5th chapter is most important part. in this chapter, the developing and building procedures of the air diffusion system of spilled gas chemicals based on gis is introduced in detail, including : the whole design of system, establishing mathematic models library, establishing and managing database, the developing tool, important programming techniques

    基於gis的水運氣體化學品泄漏大氣擴散模擬系統的開發研究將有助於海事局及有關主管部門對泄漏的有毒氣體擴散情況做隨時監控，及時發出預警、迅速做出應急決策，最大限度的減少人命傷亡、財產損失和環境污染。
  19. Therefore, the accidental poisonous gas diffusion is an important content in safety assessment

    筆者通過梯度輸送理論，建立了無風條件下氣體擴散的動態模型。
  20. The analyses of the microstructures as well as the characterizations of microcracks, deposition defects and residual pores of 3d c / sic composites have been done to determine the main diffusion channels of oxygen into the composites at different temperature domains. 2

    對3dc sic復合材料的顯微結構進行了表徵，對材料中的各種微裂紋、缺陷和孔隙進行了分析，研究了不同溫度區間內氧化性氣體在復合材料中的主要氣相擴散通道。
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