gas phase reaction 中文意思是什麼
gas phase reaction
解釋
氣相反應-
As to the simulation, three - dimensional n - s equations and two - phase flow model, in which the liquid toluene spray as discrete particles was considered, were employed to describe the turbulent combustion processes in the combustion chamber. the mass and energy transfer between the two phases were calculated by the droplet evaporation model, and the arrehnius model was used to obtain the gas chemical reaction rate. the details of 3d flow field, the distributions of temperature and compounds were obtained by solving the equations
數值模擬方面，應用三維湍流n - s方程以及顆粒軌道模型描述了激光器燃燒室內部的噴霧兩相燃燒流動過程，兩相之間的質量、能量交換由液滴蒸發模型計算，氣相化學反應速率由arrhnius公式計算，通過耦合求解氣液兩相模型方程，模擬了燃燒室三維流場，得到了燃燒室內的溫度和組分濃度分佈。 -
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。 -
Two kinds of wo3 powder are prepared by sol - gel method and gas - phase reaction method with tungsten filament, and heater type gas sensors to trimethylamine are made. under different work temperatures, these sensors ’ sensitivities are measured, and the result indicates that wo3 by sol - gel has better gas sensing performance to trimethylamine. at the same time, the wo3 - based gas sensor to trimethylamine can work at low temperature, which
3 、本課題對不同摻雜的wo3材料進行了研究，發現摻雜3 % pd的wo3基氣敏元件在150ppm三甲胺氣體中，最佳工作溫度僅為85 ，該溫度下元件最高靈敏度可達11 . 7 ，並且元件的靈敏度隨tma濃度的升高而變大，這表明摻雜pd的wo3材料在低溫下對tma氣體有很好的響應。 -
A two - dimensional model is proposed for simulation of gas phase cracking of 1, 2 - dichloroethane ( edc ) to produce vinyl chloride monomer ( vcm ) in tubular reactor furnace, in which side reaction of coke precursor formation is taken into consideration
摘要建立了二氯乙烷在管式反應器中進行氣相熱裂解的二維模型，模型考慮了二氯乙烷熱解生成氯乙烯的主反應和生成焦前體的副反應以及氣體密度變化對裂解反應的影響。 -
The catalytic isomerization of isoborneol in the presence or zn - laden or cu - laden catalysts, in liquid - phase or gas - phase, is reported. the effect of reaction conditions on the product distribution has been discussed
研究異龍腦在常壓下被含鋅或含銅催化劑催化的液相和氣相異構化反應，討論了反應條件對產物分佈的影響。 -
Simulating results reveal that hydrodynamics of catalysts in riser reactor is very complex due to the effect of injection and catalysts backmix dramatically near the nozzle, reaction products unevenly distributie along the riser height, there exists apparently temperature gap between gas - phase and solid - phase near the nozzle and the temperture of two phase is nearly equal at middle - top part
模擬結果表明，由於原料油射流的影響，提升管反應器內催化劑顆粒的流動特徵非常復雜，在噴嘴附近的催化劑顆粒存在明顯的滑落返混；裂化產物濃度沿提升管存在非均勻分佈；氣粒兩相間溫差在噴嘴附近顯著，在中上部氣粒兩相溫度幾乎相等。 -
The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate
採用pld技術進行了碳氮化合物薄膜沉積，得到了含氮量為21at的cn薄膜；研究了襯底溫度和反應氣體壓強對薄膜結構特性的影響，給出了cn薄膜中n含量較小、 sp ~ 3鍵合結構成分較少和薄膜中僅含有局域cn晶體的原因；引入脈沖輝光放電等離子體增強pld的氣相反應，給出了提高薄膜晶態sp ~ 3鍵合結構成分和薄膜的含n量可行性途徑；應用pe - cvd技術以ch _ 4 + n _ 2為反應氣體並引入輔助氣體h _ 2 ，得到了含n量為56at的晶態cn薄膜；探討了cn薄膜形貌、成分、晶體結構、價鍵狀態等特性及其與氣體壓強和放電電流的關系，證明了- c _ 3n _ 4薄膜沉積為滿足動力學平衡條件的各種反應過程的競爭結果；採用光學發射譜技術對cn薄膜生長過程進行了實時診斷，得到了實驗參量對等離子體中活性粒子相對濃度和氣相反應過程的影響規律，給出了cn薄膜沉積的主要反應前驅物，揭示了cn薄膜特性和等離子體內反應過程之間的聯系；採用高氣壓pe - pld技術研究了不同襯底溫度條件下cn化合物薄膜的結構特性，揭示了si原子對薄膜生長過程的影響，給出了si基表面碳氮薄膜的生長模式；在金剛石研磨和催化劑fe處理的si襯底上進行cn薄膜沉積，證明了通過控制材料表面動力學條件可以改變碳氮薄膜結構特性，並可顯著提高晶態碳氮材料的生長速率。 -
The result of experiment showed that the reaction between ti and c is a thermodynamic course, when 2 wt % mg is added to melt, it can restrain the formation of fragility phase al3ti, and gained al matrix composite which contained tic reinforced particles only. because mg reacts with the forms a micro - high temperature field around the oxide around the graphite particles and the oxygen gas which is brought by the immersion bell, and the reaction gives out a lot of heat energy, thus forms many high micro - fields in melt, which prompt the reaction between the al and ti
加入適量的mg （ 2wt ）可以抑制tic al復合材料中的脆性相al _ 3ti的產生，生成僅含tic的鋁基復合材料；由於活化劑鎂在體系中與石墨顆粒周圍的氧化物、以及外來的氧反應放熱，在熔體中形成微高溫區，促進al - ti反應，同時， al - ti反應也是放熱反應，因此體系中的內能急劇增大，促使al _ 3ti分解以及ti朝c顆粒擴散，縮短反應的孕育時間。 -
It was observed that the concentration of no2 in the gas emission decreased greatly during oxidation and the phase transfer catalyzer as well as ultrasonic played important role in the reaction
研究發現，氧化過程中尾氣中no2的濃度明顯減小，相轉移催化劑和超聲波輻射作用對反應有重要作用。 -
Two production methods for preparing furan through decarbonylation of furfural were introduced : i. e. liquid phase reaction and gas phase reaction
摘要介紹糠醛脫羰法制備呋喃的2種生產方法：液相法和氣相法。 -
Influence of the gas - phase reaction and the inlet velocity on the catalytic reaction of ch
空間反應和入口速度對甲烷催化反應的影響 -
Latest converted oxalate process based on catalyzed coupling reaction under atmospheric pressure of co gas phase
常壓氣相催化偶聯法合成草酸脂新工藝 -
The simulation code accounts for the complex nature of the involved reaction networks, evaporation of volatile liquid reactant and solvent, mass transfer between the gas and liquid phase, recycling of condensed liquid from the condenser, etc
模型描述了反應器中各組分間的化學反應、氣液傳質、溶劑和反應物的蒸發移熱及塔頂冷凝迴流等復雜過程。
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