phase reaction 中文意思是什麼
phase reaction
解釋
相反應-
The development of adscititious particle reinforced aluminium matrix composites and al matrix in - situ composites reinforced by reaction synthesis " reinforcement phase are reviewed at first. and the papers point out the difficulties and problems on the study of al matrix composites at present
本文首先回顧了外加顆粒增強鋁基復合材料和反應合成強化物增強鋁基原位復合材料的研究進展，指出當前鋁基復合材料研究中存在的問題。 -
According to the nb - si phase diagram, the temperature of 1550 ?, which is lower than the eutectoid transformation temperature of nbssi ( 1783 ? ), is chosen for heat - treatment. according to the present conditions of the furfaces, heat - treatment by stages is first proposed for the nb - si system intermetallic composites to keep the furface in good conditions. the results indicate that the equilibrium nb + nbssia dual - phase microstructure of the nb - si system intermetallics forms gradually via such eutectoid reaction as nbasi ? nb + nbssis with the heat - treatment time
根據nb - si二元相圖，選擇略低於nb _ 3si共析轉變溫度t _ f = 1783的1550對鑄態nb - si系金屬間化合物進行不同時間（ 25h - 100h ）的熱處理，並根據目前國內和我院熱處理爐的現狀，首次提出採用分段熱處理的方法來解決nb - si合金熱處理溫度高、連續熱處理時間過長而影響熱處理爐壽命的困難。 -
The formation of new phase such as mullite and gahnite by solid - phase reaction in multiphase materials can benefit the sintering of materials at 1700, decreased apparent porosity to less than 5 %. reducing atmosphere inhibited the synthesis of mullite and gahnite, played a negative role in the densification of multiphase materials
固相反應生成的鋅鋁尖晶石和莫來石具有較高的活性，使復相材料在1700燒后顯示出更好的燒結性能，其顯氣孔率降低到5以下；還原性氣氛阻礙了莫來石和鋅鋁尖晶石的生成，不利於復相材料的燒結和緻密化。 -
Consisting of the protracting graph of hydrogen - like atom ' s angle distributing, computer simulation of the symmetry of molecular orbital and chemical reaction mechanism, showing the molecular point group and symmetry element, computer simulation of molecular vibration, bravias ' s crystal lattice and their transforming, extracting of plane periodic lattice, extracting of solid periodic lattice, close packing of isometrical pellet and the structure of simple mental substance, close packing of unequal pellet and crystal structure of representative ionic crystal, computer simulation of phase analysis by x - ray diffraction
內容包括類氫原子角度分布圖的繪制，分子軌道對稱性和反應機理的微機模擬，分子點群和對稱元素顯示，分子振動運動的微機模擬，布拉維晶格和晶格轉化，平面點陣抽取，立體點陣抽取，等徑網球的密堆積和金屬單質結構，不等徑圓球密堆積和典型離子晶體結構， x射線多晶衍射的微機模擬十個子模塊。 -
Reaction procedure and phase formation in ti - al - tic system
系統的反應合成與相形成過程 -
Catalytic activity of supported aqueous - phase catalyst in heck reaction
反應中的催化性能 -
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。 -
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。 -
Mgo and al2o3 can form mgal2o4 existing mainly on the grain boundary through solid phase reaction, which limited the migration of the grain boundary and thereby inhibited the abnormal growth of the alumina grain
Mgo能與al _ 2o _ 3發生固相反應生成主要存在於材料晶界處的mgal _ 2o _ 4 ，限制了晶界的遷移，從而抑制了氧化鋁晶粒的異常長大。 -
And the heat of condensation phase reaction was determined by dsc experiment. the experimental results indicate that the formulae of high content fine ap and coated boron with 20 % ap is of a stable combustion in the air, while having a rate of 2. 94 mm / s under the combustion pressure of 0. 5 m pa
結果表明：調整ap級配使細粒ap含量增加和用20 ap包覆硼的配方，燃燒穩定，殘雜分散性好，燃速在低壓（ 0 . 5mpa ）下為2 . 94mm s 。 -
Vapor phase reaction
汽相反應 -
Non - isothermal kinetics study showed that the mechanism of zno - al2o3 solid - phase reaction was well fitted with cater ' s equation. active energy of solid - phase reaction derived from the experiments by the methods of ozawa equation avoiding the function of reaction mechanism was about 63. 48kj / mol, which was almost the same value of active energy deduced from cater ' s equation
非恆溫動力學分析表明：鋅鋁尖晶石的固相反應機理符合卡特方程；採用卡特方程的機理函數和避開反應機理函數的ozawa方程得出的活化能分別為64 . 39kj mol和63 . 48kj mol ，兩值十分接近。 -
B _ 2o _ 3 melted in 450, then mg melted in 650, the three phase reaction was taken place from 730, zro _ 2 reacted with mg at first, then was the redox reaction of b _ 2o _ 3 and mg, finally was the synthetic reaction of b and zr
差熱分析表明:該反應過程經由多個中間反應直至最後完成， b _ 2o _ 3在450熔化， mg在650熔化，三相反應的發生始於730 。首先發生的反應是zro2和mg的還原反應，其次是b _ 2o _ 3和mg的還原反應，最後是zr和b反應合成zrb2 。 -
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。 -
Finally the conclusion was that the best material was nanophase manganese oxide synthesized with solid - phase reaction. the best electrolyte was potassium hydroxide with the concentration of 1mol / l
最終發現固相合成法制備的二氧化錳是其中最優的準電容材料，在1mol l的氫氧化鉀溶液中性能最優。 -
An economical and practical driver for 3 - phase reaction stepping motor was designed in the paper
摘要針對三相反應式步進電動機設計了一種經濟實用的驅動器。 -
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 -
The electrocatalytic activities of the pt / c catalyst prepared with the solid phase reaction method for the ethanol oxidation is reported for the first time. it was found that the electrocatalytic activity of the pt / c catalyst with 20 % pt prepared with the solid phase reaction method is much better than that of the pt / c catalyst prepared with the traditional liquid phase reaction method
首次研究了用固相反應法制得的pt c催化劑對乙醇氧化的電催化活性，發現用固相反應法制得的含pt量為20的pt c催化劑對乙醇氧化的電催化活性遠高於傳統的液相反應法制得的pt c催化劑。 -
The tem and eds measurements indicated that it is mainly due to the high dispersibility and small diameter of the pt - ru particles in the pt - ru / c catalyst prepared with the solid phase reaction method
Tem和eds的測量表明，這主要是由於用固相反應方法制得了pt - ru c催化劑中的中文摘要k r的分散度好，平均粒徑4 、的緣故。 -
The powder synthesized by co - precipitation has many advantages such as fine crystal grains, good homogeneity and purity, high activity, and these favor the solid phase reaction. so the magnetic properties of the samples were better than that of those prepared by conventional oxides methods
共沉澱法制備的粉料具有晶粒細小，均勻性好，活性高，純度高等特點，這些特點有利於固相反應，能夠得到性能優良的鐵氧體材料。
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