transfer reaction 中文意思是什麼

transfer reaction 解釋
鏈位轉移反應
  • transfer : n 1 移轉,轉送;調職;調任[轉學]證書;變換。2 (財產;權利等的)轉讓,讓與(證書),移轉,授受;...
  • reaction : n 1 反作用,反應;反沖;反動力。2 【政治學】反動,倒退;復古(運動)。3 【化學】反應,【物理學】...
  1. Progress in the folate coenzyme participated reaction of one - carbon unit transfer

    葉酸輔酶參與的一碳單元轉移反應
  2. In the solar energy transfer and storage system, the isomerization of norbornadiene and quadricyclane is an important reaction

    摘要在太陽能轉換與儲存體系中,降冰片二烯光異構化合成四環烷是非常重要的一個反應。
  3. Charge transfer reaction between l - threonine and tetrachloro - p - benzoquinone

    蘇氨酸與四氯對苯醌的荷移反應
  4. In the third chapter of this dissertation, based on the physical and chemical properties of hydrogen and the combustion characteristics of hydrogen, the quasi - dimension combustion calculation model of hydrogen ? fueled engine is set up through analyzing the characteristics of turbulence flame and chemical reaction kinetic of hydrogen ? air mixture. the model includes the dual ? area thermodynamics sub - model, quasi - dimensional turbulent entrainment combustion sub ? model, turbulence flame promulgating sub ? model, hydrogen - air mixture chemical kinetic sub - model and loss of heat transfer sub - model and so on

    本文從氫燃料的物化特性和燃燒特徵著手,通過分析氫空氣混合氣燃燒的湍流火焰結構和燃燒化學反應動力學,基於雙區燃燒模型,建立了包括雙區熱力學、準維湍流卷吸燃燒、湍流火焰傳播速度、氫空氣混合氣燃燒化學反應動力學以及傳熱損失等模塊的燃燒模型,並給出了相應的計算方法。
  5. In this paper all kinds of fuel cell, the current research situation and working principle of proton exchange membrane fuel cell ( pemfc ) are outlined. mathematical models in relation to electrochemistry reaction and transfer process in direct methanol fuel cell ( dmfc ) are compared and analyzed. latest progress of membrane materials and instrument analysis technique in dmfc has also been described

    介紹了燃料電池的分類以及質子交換膜燃料電池( pemfc )的工作原理和研究現狀,並對直接甲醇燃料電池( dmfc )中有關電化學反應及傳遞過程的數學模型進行了比較和分析,描述了適用於dmfc的膜材料以及儀器分析技術的最新進展,認為直接甲醇燃料電池是目前較理想的燃料電池,有著廣闊的發展前景。
  6. The electrochemical study showed that the interaction mode is mainly intercalative binding in ph 7. 4 phosphate buffer solution. the uv - vis spectroscopic study further demonstrated the above results. through the electrochemical parameters such as charge transfer coefficient and standard electron transfer rate constant ks in the absence and presence dna, it was found that the reaction of aloe - emodin with dna forms an electrochemical active supramolecular complex

    本文對姜黃素的研究結果表明,在0 . 1m磷酸鹽緩沖液( ph3 . 0 )中,姜黃素于玻碳電極上存在可逆的單電子轉移過程,據此,本文建立了以差示脈沖伏安掃描法檢測姜黃素含量的新方法。
  7. 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。
  8. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融溫度及分解溫度降低,且伴有氧化分解反應;碳纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合曲線基本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑轉移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  9. Heteropoly blue q7pmo12o42 ( q = c5h5nc16h33 ) has been designed and synthesized as reaction - controlled phase - transfer catalyst for catalytic epoxidation of cyclohexene and catalytic oxidation of benzalcoho with h2o2 as the oxidant

    設計合成了第一個由磷鉬雜多藍作為反應控制相轉移化劑的反應體系,用於對環己烯進行催化環氧化,苯甲醇進行催化氧化。
  10. The polymer - supported catalysts were used in different kinds of reaction, such as ion - exchange resins, polymer - supported phase transfer catalysts, polymer - supported acid catalysts, polymer - supported base catalysts, polymer - supported metal catalysts, polymer - supported biological catalyst and so on

    介紹的聚合物固載催化劑有6類,包括離子交換樹脂催化劑、聚合物固載的相轉移催化劑、聚合物固載的酸催化劑、聚合物固載的堿催化劑、聚合物固載的金屬催化劑、聚合物固載的生物催化劑等。
  11. So how to transfer scientifically self - balanced test data into top load curve according to its actual working behavior, become the obstacle of its practical application. in accordance with actual forcing behavior and reaction mechanism between pile and soil, the article analyzes the relation between top part and bottom part, load transferring mechanism and difference with other loading way by ansys program. so the reliability of determine bearing capacity by self - balance method has been proved

    本文根據自平衡加載方式下樁身的實際受力狀況、樁土間的相互作用機理以及單樁破壞機理,建立了單樁的離散元模型,採用ansys通用分析軟體,選取合理的單元類型、材料特性等,數值分析了基樁在自平衡加載方式下上下樁段的相互關聯、荷載傳遞機理以及與其它加載方式的區別,論證了採用自平衡試樁法測定單樁極限承載力的可行性。
  12. The carbonization pressure influenced the mass transfer process of pyrolysis products and promoted the secondary reactions, while the activation pressure changed the adsorption equilibriums and reaction rates of the activation reaction

    加壓炭化影響了熱解產物的傳質過程,提高了發生二次反應的機會,而加壓活化能夠影響活化反應的吸附平衡和反應速率。
  13. Then, a three - dimensional, comprehensive, steady - state mathematical model is described to investigate the fluid flow, heat transfer, species transport and electrochemical reaction in the pem fuel cells

    然後,發展了一個用於研究質子交換膜燃料電池特性的三維綜合的數學模型,模型同時考慮了流體流動、熱量傳遞、電荷傳遞、多組分傳遞和電化學動力學。
  14. Studying the heat - mass transfer and multi - spices electric - chemical reaction, a dynamic temperature model was deduced for molten - carbonate fuel cell stack. the thermal radiation, shift reaction, and the change of gas spices were considered in this model. establishing momentum equation, the paper has developed a 3d temperature and flow fields model for mcfc stack based on cfd technique

    建立了熔融碳酸鹽燃料電池堆內部單體的暫態溫度模型,並考慮了電堆的輻射換熱、轉換反應、反應氣體組分變化對溫度場的影響;根據mcfc的微分控制方程組,考慮氣體組分的熱力學性質及動量變化的影響,利用數值分析方法求解熔融碳酸鹽燃料電池堆的三維流場與溫度場,分析了各作用因素對熔融碳酸鹽燃料電池堆溫度分佈的影響機制。
  15. Phase transfer reaction

    相轉移反應
  16. Based on the analysis of gas - solid multiphase catalytic reaction, the chemical reaction model is established. when the reaction is controlled by the chemical dynamic, the reaction rate is introduced by consideration of the adsorption and desorption effects. when the reaction is controlled by mass transfer, the diffusion coefficient is established which can present the flow rate increases in small reynolds domain ; for the internal diffusion, the internal diffusion coefficient is derived, and then the internal diffusion is coupled with chemical reaction to represent the phenomenon that the diffusion and the chemical reaction occur cocurrently

    本文在考慮催化轉化器載體內發生的傳熱傳質現象的基礎上,建立了催化轉化器的一維單孔道和三維多孔道傳熱傳質模型;在分析載體內以氣-固多相催化反應為特點的工作機理的基礎上,建立了催化轉化器的化學反應模型:當催化轉化處于化學動力學控制區時,引入了考慮吸附、表面反應和脫附的表面化學反應速率公式,當催化轉化處于質量輸運控制區時,引入了決定外擴散能力的擴散系數公式和和決定內擴散速率的內擴散系數公式,並與化學反應速率相耦合,得出由擴散過程決定的化學反應速率公式。
  17. A process for preparing m - dichlorobenzene by atmospheric selective transfer reaction of p - dichlorobenzene in the presence of alcl3 and h2o is described. effect of selectivity of the reaction is discussed. the best technological conditions are determined

    闡述了常壓下對二氯苯在催化劑無水三氯化鋁及助催化劑水的存在下發生轉位反應,高選擇地制取間二氯苯的工藝過程;討論了影響產物選擇性的有關因素,確定出適宜的工藝條件。
  18. Abstract : according to the principle of themodynamics and the method of linear algebra, the eqiulibrium criterion and eqiulibrium condition of the complex system have leen discussed systematically. the calculation method of eqiulibrium composition of chemical reaction, phase transfer as well as simultaneous equilibrium in the complex system have been proposed

    文摘:根據熱力學原理和線性代數方法,系統地討論了復雜體系的平衡判據和平衡條件,以及復雜體系反應平衡、相變平衡,反應?相變同時平衡條件下平衡組成的計算方法,為研究復雜體系的平衡問題提供了理論依據。
  19. The enzyme of microbial transglutaminase ( mtg ) can modify the structure and properties of proteins through catalyzing an acyl transfer reaction of a - carboxyamide group of glutamine residue in a peptide chain, resulting the cross - linking of proteins

    摘要微生物谷氨酰胺轉胺酶( mtg )可通過催化蛋白質谷氨酰胺的酰基轉移反應改變蛋白質的結構和性質,是一種有廣泛應用前景的重要新型酶制劑。
  20. Mass - transfer reaction

    質量轉移反應
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