流化催化劑 的英文怎麼說
中文拼音 [liúhuàcuīhuàjì]
流化催化劑
英文
fluid catalyst-
Abstract : two important factors, the loss of the catalyst components and the change of the catalyst particle diameter, which lead to the decay of the catalyst for amination of fatty alcohols, were studied. the dimension analytic method is applied successfully to determine the relations among the components loss, the particle diame - ter and the times of the catalyst used in repeated experiments
文摘:對引起脂肪醇胺化用催化劑失活的重要因素? ?組分流失及粒徑變化進行了研究,運用因次分析方法將催化劑的重復使用次數、組分流失及粒徑等因素進行了關聯,並取得了成功。On vaporization it reduces the bulk density of upflowing mixture and promotes the circulation of catalyst.
在汽化時使向上流動的混合物的松密度減少,並促使催化劑循環。The current situation of utilizing isobutane and isobutylene in china were introduced, the reaction mechanism, reaction process and types of catalyst for preparing isobutylene via dehydrogenation of isobutane were narrated emphatically
摘要介紹我國異丁烷和異丁烯資源的利用現狀,重點對異丁烷脫氫制備異丁烯的反應機理、反應流程和催化劑類型進行了論述。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。Each reactor is taken off stream in turn for regeneration.
輪流切斷各個反應器的蒸氣進行催化劑再生。There are more than 20 engineers and senior engineers in the technical center, among whom there are 3 doctors and 6 masters. the domestic first - class testing workshop, experiment facility and test manufacture workshop are collocated in the company, which can be used for the research and development of motorcycle exhaust catalyst, environmental catalyst, catalytic converter technology, etc
技術中心擁有二十多名工程師和高級工程師,其中博士3人、碩士6人,公司配置了國內一流的專業檢測、試驗設施和中試生產車間,可以從事各類尾氣凈化催化劑、環保催化劑、催化轉化系統技術等的研發。The experiment system is air - water, the katalyst grain is squeezed strip
111催化劑高h = gocm ,加有三個氣液整流裝置。The properties of air electrode and catalyst were investigated by measuring the curve of steady - state polarization
實驗採用恆電流的穩態極化曲線來考察催化劑和空氣電極的性能。This paper is based on summarizing and analyzing the correlative work. it introduces the speed of the uniform flow closing to the dynamical field in the factual cloud to the answer of the probability equation of the catalyst particle remains in the cloud of nucleation layer, ameliorates the answer of the equation which does n ' t consider the uniform flow evidently
本論文在總結分析已有相關工作的基礎上,對催化劑粒子在雲中核化層存留概率方程解中,引入了和實際雲中動力場相近的均流速度,明顯改進了過去不考慮均流的概率方程解。The reaction mechanism for methanol oxidation at pt / moox / gc composite electrode involved the proton spillover effect from hydrogen molybdenum bronze, and a bifunctional reation mechanism for methanol oxidation by providing a hydrous molybdenum oxide to oxidize the intermediates, coads, for keeping cleaning platinum surface and make it easier for methanol to be oxidized on the clean platinum
通過計時電流圖中的電流衰減情況和cv實驗結果比較可得出, pt moo _ x gc電極催化劑具有一定的抗- co -中毒性能。 pt moo _ x gc的甲醇氧化機理是通過提供水合的氧化物來提高抗co中毒催化性能和質子溢出效應,從而加快甲醇氧化速度的。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This paper mainly described the research on rheological property, high thermal stability, flame retardant, the influence of catalyst and insulating heat conduction of organic silicon encapsulating materials, which greatly apply on electronic equipment and large scale integrated circuit and so forth
摘要本文主要綜述了國內外用於電子元器件、大規模集成電路等高科技領域的有機硅灌封材料在流動、耐高溫、阻燃和絕緣導熱等方面的性能以及催化劑對灌封材料的影響的研究應用進展。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。It is very important to produce carbon nanotubes on large scale with a relative low cast for their potential applications. three methods are expatiated : " floating catalyst ", " catalyst driven by gases " and " ferrocene vaporizing " in second part of this paper
我們在700 800攝氏度下用鈷為催化劑以較大產量制備納米碳管,採用了流化床法、催化劑氣動輸運法和二茂鐵蒸發法三種方法。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。Films of the cnx nanotube were produced by thermal decomposition on fe - coated si substrates, and their low field emission properties have been investigated. a high - emission current density of 1. 28ma / cm2 for an applied field of 2. 54v / u m was achieved, implying cnx nanotubes have better electron field emitter properties than the films of carbon tubes and bcn tubes do under same experiment conditions
860熱解乙二胺,在沉積有鐵催化劑的矽片上生長出cn _ x納米管薄膜,並進行了低場致電子發射特性測試,外加電場2 . 54v / m時,發射電流達到1 . 28ma / cm ~ 2 ,比相同實驗條件下制備出的碳管、硼碳氮管薄膜的場致電子發射性能優越。The simulation program was written by c and matlab on the base of arithmetic of non - then - back random walk. utilization of catalyst was obtained by statistical algorithm of ntbrw. we also discussed the effect the of structure and fabrication techniques of mea on utilization of catalysts
確定了有效輸出電流迷宮通道模型,並建立了非即回無規行走掃描演算法,運用matlab和c語言編寫了模擬程序實現了對膜電極催化劑利用率的統計,並探討了電極結構和電極制備工藝對催化劑利用率的影響。Reecat company adapts dc - power test system, go on speed performance test, load test, heat circulation test, durability test. use in motorcycle matching test, catalyst performance aging test
利凱特使用的是直流電力測功機系統,可進行速度特性試驗負荷特性試驗熱磨合循環試驗強化耐久試驗,主要用於摩托車匹配試驗和催化劑性能及老化試驗。Reecat company adapts dc - power test system, go on speed performance test, load test, heat circulation test, durability test. use in motorcycle matching test, catalyst performance & aging test
利凱特使用的是直流電力測功機系統,可進行速度特性試驗、負荷特性試驗、熱磨合循環試驗、強化耐久試驗,主要用於摩托車匹配試驗和催化劑性能及老化試驗。The loading and running of primary reforming catalyst z111 - 4ya in the 0. 45mt / y ammonia plant of china national offshore oil corp chemical ltd ( cnoocc ) were analyzed according to the primary reformer process and design basis, and the operating and managing experiences of the catalyst were summarized
摘要本文根據中國海洋石油化學有限公司45萬噸合成氨裝置一段爐工藝流程及設計基礎,對z111 - 4ya一段轉化催化劑裝填及催化劑運行進行了分析,總結催化劑運行管理經驗。分享友人