air diffusion 中文意思是什麼

air diffusion 解釋
空氣擴散
  • air : n 1 空氣，大氣。2 天空，空中。3 微風，和風。4 態度，樣子，風度，氣派；〈pl 〉高傲的架子。5 傳播，...
  • diffusion : n. 1. 散布，發散。2. 傳播，普及。3. 冗長。4. 【化學】滲濾。5. 【物理學】擴散，漫射。
  1. Effect of the carbon black on the electrical performance of gas diffusion electrode of zinc - air battery

    炭黑對鋅空氣電池空氣擴散電極電性能的影響
  2. An experimental research on oxygen - enriched air methane counterflow diffusion flame

    甲烷對向流擴散火焰的實驗研究
  3. He remembered the initial paraphenomena ? more active air, a matutinal distant cock, ecclesiastical clocks at various points, avine music, the isolated tread of an early wayfarer, the visible diffusion of the light of an invisible luminous body, the first golden limb of the resurgent sun perceptible low on the horizon

    空氣越發充滿了勃勃生機：遠處，公雞在報曉，各座教堂的敲鐘聲，鳥類的音樂，早起的行人那孤零零的腳步聲，看不見的光體所射出的看得見的光，復活了的太陽那低低地嶄露在地平線上的依稀可辨的最初一抹金暉。
  4. Using the post processing tools of this cfd software, this article analyses the temperature and velocity field in the vav air - conditioned office and finally evaluates the indoor air distribution, adopting air diffusion performance index ( adpi )

    利用cfd軟體的后處理工具對不同送風方式以及不同工況下的變風量空調室內的溫度場和速度場進行了分析，最後採用空氣分佈特性指標對空調室內的氣流組織進行了綜合評價。
  5. The diffusion model and numerical simulation model for chaff clouds are modeled on the assumption that the speed of air where chaff locates is a winner random process and the mass of chaff is zero so it can trace the atmosphere speed very well

    摘要假定箔條所在位置處大氣運動速度是一個維納隨機過程，同時在忽略箔條的質量時箔條的運動完全反應當地大氣的運動，在此基礎上建立箔條雲團的擴散模型及數值模擬模型。
  6. The optimum conditions for air electrode preparation were shown as follow : 20 % ptfe and 20 % mno2 in active layer, thickness of active layer 0. 15 - 0. 25mm and the ratio of active carbon to ethine black 4 : 1 ; 60 % ptfe in the gas diffusion and waterproof layer, employing na2so4 as pore - making agents, thickness 0. 35 - 0. 45mm, colding forming and layer sequence catlytic layer / gas diffusion and waterproof layer / current collector layout ; employing 40 meshed nickel screen as current collector and thermal treatment temperature over 200

    確定了制備空氣電極的優化工藝條件，催化層中ptfe含量約20 ， mno _ 2的最佳含量約為20 ，催化層中活性炭和乙炔黑的比例為4 ： 1 （質量比） ，厚度在0 . 15 - 0 . 25mm之間。防水透氣層中ptfe的含量約為60 ，以無水硫酸鈉作為造孔劑，厚度一般為0 . 35 - 0 . 45mm 。電極各層採用催化層/防水透氣層/集流體的排布方式，冷壓成型，熱處理對空氣電極的性能影響較大，熱處理溫度不低於200 。
  7. The sand in the bags has the principal task of guaranteeing continuity of contact in the material without impeding the free diffusion of the compressed air.

    袋中砂的主要目的是在保證材料的連續接觸而不妨礙壓縮空氣的自由擴散。
  8. Topics include : molecular and turbulent diffusion, boundary layers, dissolution, phase partitioning, bed - water exchange, air - water exchange, settling and coagulation, buoyancy - driven flows, and stratification in lakes

    探討課題計有:分子和紊流擴散、邊界分層、溶解、相之間的分割、底床與水間的交換作用、空氣與水間的交換作用、沉降和混凝、浮力流以及湖泊分層作用。
  9. 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。
  10. Air diffusion aerator

    空氣擴散式曝氣裝置
  11. Then a one - dimensional unsteady incompressible flow with moving pollutant source model was proposed. the continuity equation, momentum equation and convection - diffusion equation were discredited using finite volume scheme. thus a software for predicting the air velocity and pollutant in railway double track tunnels was developed

    接著，根據雙線鐵路隧道運營通風的特點，建立了一維不可壓縮非恆定流和流動污染源的物理模型以及山相應的連續性方程、動量方程和對流擴散方程構成的數學模型；在此基礎上，利用數值計算方法，編制了一套雙線鐵路隧道運營通風的數值計算程序。
  12. Water pressure method can distinguish permeability of concrete with different strength or air content, and penetration length or permeability coefficient has good correlation with chloride ion diffusion coefficient. tension method also can distinguish permeability of different concrete, but it has discreteness compared with water pressure method

    通過研究水壓法對于不同滲透性混凝土發現:水壓法能夠較好的區分不同強度、不同含氣量的混凝土的滲透性，滲透高度及滲透系數與氯離子擴散系數的相關性較好。
  13. Air diffusion method

    壓縮空氣曝氣法
  14. Air distribution and air diffusion. aerodynamic testing and rating of constant and variable flow rate single or dual duct boxes and single duct units

    空氣的分配和擴散.恆定和可變流量單管或雙管箱和單管裝置的空氣動力學試驗及評價額定值
  15. Air diffusion council, usa

    污染空氣排放委員會
  16. Method of testing for room air diffusion

    室內空氣擴散的測試方法
  17. In this paper, mapinfo profession 6. 0 was applied to build and manage space geographical information ; mapinfo mapx4. 5 was used as a activex control to model and describe the air diffusing area of the spilled gas chemical, by the technology of ole, made used of the integrating environment of visual basic 6. 0, we finished developing research on the air diffusion system of spilled gas chemicals based on gis. the system can dynamically show the diffusion range of spilled gas chemicals on computer screen after inputting necessary parameters. the paper include 7 chapters

    我們是以mapinfoprofession6 . 0作為空間地理信息建立和管理工具， visualbasic6 . 0作為系統用戶界面開發與計算模塊編程工具， access2000作為有關數據庫開發與管理工具， mapinfomapx4 . 5地理信息系統地圖控制項作為計算機模擬顯示控制項，通過ole技術，在vb的集成環境下進行「基於gis的水運氣體化學晶泄漏大氣擴散模擬系統」的開發創建。
  18. In order to rapidly and effectively predicting the air diffusing area of the spilled gas chemical, and giving corresponding emergency decisions, we make a research on the air diffusion system of spilled gas chemicals based on gis. we hope our study can give a little reference for the controlling of shipping chemicals " polluting accidents

    為了能在水運氣體化學品泄漏事故發生后，及時、迅速、有效、直觀地對水運氣體化學品惡性泄漏事故大氣擴散過程做出準確的預測並以此為依據制定相應的應急措施，我們著手「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。
  19. Air distribution and air diffusion. laboratory aerodynamic testing and rating of air terminal devices in a isothermal air discharge

    空氣的分配和擴散.等溫空氣排放終端裝置的實驗室空氣動力學試驗及評價
  20. 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。
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