流體催化劑 的英文怎麼說
中文拼音 [liútǐcuīhuàjì]
流體催化劑
英文
fluid catalyst-
While if pulse laser ablation is applied, the output of mixed target is obviously more than that of plumbago target. the carbon nanotubes prepared by nano - tungsten catalyzer are very straight without any bent and their diameters are under 10nm. it is worth to pay more attention and need to study further
其中以鎢作為催化劑原料與石墨混合製成固體靶,蒸餾水作為流動相時,得到的納米纖維狀產物直徑不到10nm ,而且形狀筆直,值得關注,目前國內外尚無以鎢作為催化劑成功制備納米一維碳材料的報道,因此該研究具有嶄新而廣闊的研究前景。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 。Standard test method for single - point determination of specific surface area of catalysts and catalyst carriers using nitrogen adsorption by continuous flow method
連續流動法單點測定用氮吸附的催化劑和催化劑載體比表面積的標準試驗方法" floating catalyst " and " catalyst driven by gases " method can synthesize powder of carbon nanotubes on large scale. " vaporizing ferrocene " method can synthesize bulk carbon nanotube array. the production of the first method is 2000g / day, the second one is 500g / day and the third one is loog / day
流化床法和催化劑氣動輸運法主要產物為納米碳管粉體,分別每天可以制備2000和500克粗產物;二茂鐵蒸發法制備的產物則是定向納米碳管塊體,每天可制備100克納米碳管陣列塊體。This article focuses on several factors ( water content, pressure, temperature, inhibititor ) influencing enzymy catalyzing reactions in some practical examples
結合一些具體實例就超臨界流體中影響酶催化的各種因素(如含水量、壓力、溫度、抑制劑)進行了討論。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。Kaolinite - organic intercalation compound possesses not only the unique adsorptivity, dispersivity. porosity, rheological behaviour and surface acidity of the clay mineral but also the multivariate functional groups and the reactivity of the organic compound. as a new type of mineral materials, it has extensive potential application in catalysts, functional supporter, adsorbents and advance ceramics
高嶺石有機插層復合物既具有粘土礦物特有的吸附性、分散性、流變性、多孔性和表面酸性,又具有機化合物的多變功能團和反應活性,作為新型礦物材料,在催化劑、功能載體、吸附劑、先進陶瓷材料等方面具有廣闊的應用前景。The performance of liquid dmfc is evaluated as a function of the composition and structure of meas, hot - pressing condition and activation process by means of v - i polarization and ac impedance spectrometry
本研究採用電流電壓極化曲線和交流阻抗譜方法,對膜電極的熱壓條件、擴散層和催化劑層的組成與結構、電極活化過程等因素對液體進料dmfc性能的影響進行了全面的研究。Carbon nanotubes were separately synthesized by a new pulsed laser ablation ( pla ) for in - situ growth method and cvd support method in this paper. ft - ir, uv - vis, xfs, laman, tem, xrd, bet methods were used to characterize the sol, carbon nanotube and other products in the experiment. in the pla method, the sols containing carbon nanotubes were successively obtained by using 1064nm pulsed laser to ablate the interface of fe / c, or ni / c targets and ethanol under common temperature and pressure, and then carbon nanotubes were directly acquired by evaporating the ethanol
脈沖激光轟擊原位生長法是在常溫常壓下使用1064nm波長的脈沖激光轟擊目標靶與乙醇流動相的固液界面來連續制備含有碳納米管的溶膠,進而除去乙醇相得到碳納米管,其中目標靶為石墨與fe 、 ni等金屬催化劑混合壓製成的靶片; cvd基體法是使用自製的六方介孔mcm - 41多孔材料為基體,負載fe催化劑活性組分,通過cvd法催化裂解c2h2來生長碳納米管。Application of supercritical fluids in synthesizing nano - catalysts
超臨界流體技術在納米催化劑制備中的應用Core - shell nanocomposite particles, as attractive building blocks of advanced functional materials, have important applications in such areas as photonic band gap materials, microwave absorbing materials, electrorheological ( or magnetorhelogical ) fluids, catalysis and biology, etc
摘要核殼納米復合粒子具有許多不同於單組分膠體粒子的獨特的光、電、磁、催化等物理與化學性質,是構築新型功能復合材料的重要組元,在光子帶隙材料、微波吸收材料、電磁流變液、催化劑和生物等領域有重要應用。The selectivity and activity of enzyme in the reaction media, especially in ionic liquids and supercritical liquids was reviewed in the paper
文章以溶劑分類,探討溶劑,特別是引入新的反應介質離子液體和超臨界流體對酶催化活性和選擇性的影響。分享友人