reaction coefficient 中文意思是什麼

reaction coefficient 解釋
反饋系數
  • 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】...
  • coefficient : adj. 共同作用的。n. 1. 共同作用；協同因素。2. 【數，物】系數，率；程度。
  1. 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。
  2. 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 。
  3. The effects of the fabrication conditions on the crystal structure, grain size, micromorphology and electrochemical performance of these materials have been studied in depth. the reaction mechanism of the low - heating solid - state reaction method has also been investigated. in addition, a novel electrochemical method ( rpg method ) based on the concept of " ratio of potentio - galvano - charge capacity " has been for the first time developed to determine the diffusion coefficient of lithium - ion within insertion - host materials on the basis of the spherical diffusion model

    本論文較系統地考察了低熱固相反應法合成鋰離子電池正極材料的可行性問題，研究了工藝條件對材料的晶體結構、晶粒尺寸、微觀形貌及電化學性能等的影響，探討了低熱固相反應的機理，並通過引進「恆壓-恆流充電容量比」的概念，給出了一種測定鋰離子嵌入脫出固相擴散系數的新方法。
  4. The detection limit was 0. 5 ng / ml and the calibration curve was in the range of 0 - 100 ng / ml. the within - run coefficient variations for standard samples were less than 10 %. one distinguished feature of this approach was its nearly homogeneous reaction and solution phase detection, which made the detection rapid and reproducible

    5ng ml ，標準曲線范圍為0 - 100ng ml ，檢測標準樣品的批內cv小於10 ，採用這種液相反應及液相熒光測定的方法，提高了分析速度。
  5. The voltage of lithium - intercalation reaction, impedance and structural stability of intercalation - type cathode material were analysed and calculated. theoritical results show that the reaction voltage depends on the content of lithium and the bond energy, and that the key ways to lower the electrode impedance are to increase the electronic conductivity of the electrode and the diffusion coefficient of lithium ion in the host and to decrease the size of powder. in addition, the thermal stability of lithium - insertion structure can be improved by using crystallographic co - lattice theory and doping treatment

    本文從嵌入式陰極材料的嵌鋰反應的電壓、阻抗及結構穩定性的分析和理論計算著手，得到了電壓取決于基體中各種離子間的鍵能及鋰含量、降低電極阻抗的關鍵是提高電子型導電性和li ~ +在基體中的擴散系數及減小粉末粒度的理論依據及其利用晶體的共格原理和摻雜改性的方式來提高材料嵌鋰結構的熱穩定性的設計思路。
  6. This paper deals with seismic analysis of an immersed tunnel using the travelling wave method the objective of the analysis is to obtain the maximum stresses in the tunnel body and the relative displacements at the joints for design purpose in analysis ， the axial and transverse input waves are treated as two independent waves with different amplitudes and periods the method has been found to have the advantages of simplicity and clearness in physical concepts however ， reasonableness of the prediction by the method depends largely on the input data ， such as the wave amplitude ， the wave length ， the propergation speed of the travelling wave as well as the reaction coefficient of the ground thus ， determination of the input data is discussed in detail finally ， the method is applied to analysis of huangsha - fangcun immersed tunnel across the pearl river in guangzhou

    將行波法應用到剛度較大、分段較多的水下沉管隧道的地震分析中，提出把軸向、橫向兩個輸入波處理為兩個獨立的行波的方法行波法是否符合實際，與輸入地震波的有關參數及地基系數選取有很大關系，作者對此進行了比較深入的討論，使輸入參數的選取簡單、明確，便於對計算結果進行分析與判斷最後應用此法對珠江水下隧道的工程實例進行了計算
  7. 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。
  8. Only when die symbol of die coefficient of reaction is steady and die absolute numerical value or expected value of die coefficient of reaction is larger and its variance is smaller, it can be said that die income redistribution has enough capability of controlling consumption demand

    只有當反應系數的符號明確、反應系數或期望反應系數的絕對值較大、反應系數數值比較穩定即方差較小時，我們才能認為該收入再分配具備對消費需求的有效調控能力。
  9. Meanwhile, dynamic responses at pile head are investigated. it is sh own that the effects of pile slenderness, bearing stiffness of pile toe and the pile - soil modulus ratio on pile impedance are major whereas the ones of the permeability and the soil reaction coefficient are minor

    對影響樁振動特性的主要因素進行了分析，結果表明，長徑比、樁土模量比及樁底支承系數對樁的動力響應影響顯著，而滲透系數作為飽和土的一個重要參數，由於荷載作用時間問題，對樁的動力響應影響較小。
  10. Characteristics of flow - field, total pressure loss / reduction, species distribution ; parameters of reactive domain and mixing mechanism of reactant streams have been investigated. ssg ( small signal gain ) coefficient, utilization of f atom and heat release in reaction have been computed

    討論了該類噴管的流場特徵、組分分佈特點、總壓損失特徵、反應區流場參數和反應流混合機理，並對小信號增益系數、 f原子利用效率和反應放熱進行了計算。
  11. Thirdly. based on the analysis of the engineering geology, hydrogeology and the dynamic peculiarity of the site soil, and the analysis and caculation of the seismic reaction, it gains the anti - seismic design coefficient and divided the city area into three seperate defence zones. marked a, b, c. finally, it makes a researsh of the seismic effect of the site of the city and makes the suggestions of the land utilizing. dividing the city land into 4 sub - zones

    第三在分析研究萊蕪工程地質、水文地質及場地土動力特徵的基礎上對萊蕪市場地地震反應進行了分析計算，得出萊蕪市抗震設計地震參數，並分為a 、 b 、 c三個設防區。最後對場地地震破壞效應進行了研究，對萊蕪市土地利用進行了分區，並提出了合理利用土地建議。
  12. Coefficient of subgrade reaction

    淺基礎基床系數
  13. The modification coefficient of the natural period will directly effect the reaction of the reinforced concrete frames under the earthquake, so

    周期修正系數的取值將直接影響地震作用下鋼筋混凝土框架的反應。
  14. To research the radiative capture reaction, we study systematically asymptotic normalization coefficient method ( it is called " anc " method for short )

    為研究輻射俘獲反應，本文系統的研究了漸進歸一化常數方法（簡稱anc方法） 。
  15. We give a mathematical proof for the model - approximately independence of anc coefficient. combining a concrete nuclear reaction, we check up the model - approximately independence of anc coefficient with numeric calculation. under the el transition condition, a expressions with anc coefficient to compute the cross section of radiative capture reaction has been given in this thesis

    我們對anc系數的近似模型無關性給出了一個數學形式理論證明，並結合具體的核反應，利用數值計算驗證了anc系數的近似模型無關性；在e1躍遷情況下，我們給出了一個用anc系數計算輻射俘獲反應截面的計算公式。
  16. Heat treatment can also change the multi - layer ' s ( ticvti / tin / ti / ticb ) reaction coefficient. the reaction coefficient is decided by the exterior ticvs thickness, and influenced by the n perce ntage on the surface of the multi - layers -, the crystal status of tio2, and also influenced by the na + moved from the glass substrate

    多層薄膜在300下熱處理lh時，薄膜的紫外一可見光透過率曲線與未熱處理時相比沒有改變;在400下熱處理1h時薄膜紫外一可見光透過率增大，並向長波方向移動;薄膜在500下熱處理時透過率增加，並出現干涉條紋。
  17. Monodisperse ( coefficient of variation 5 % ) polystyrene microspheres in the size range of 1. 0 ~ 10 m are prepared by dispersion polymerization in ethyl alcohol reaction media using polyvinylpyrrolidone ( pvp ) as a steric stabilizer and 2, 2 ' - azobisizobutyronitrile ( aibn ) as an initiator in suitable condition

    摘要以聚乙烯吡咯烷酮為分散劑、無水乙醇為反應介質、偶氮二異丁腈為引發劑，採用分散聚合的方法，通過優化反應條件，成功制備出了粒徑范圍為1 ~ 10 m不同粒徑級別的單分散（分散系數5 % ）聚苯乙烯微球。
  18. Analysis of unsteady heat transfer - method of reaction coefficient in new type energy saving wall

    新型節能墻體的動態傳熱反應系數法分析
  19. Analysis and determination of items amount of reaction coefficient for unsteady heat transfer calculation of wall

    墻體不穩定傳熱計算中反應系數項數的分析與確定
  20. At 500 c the curves show interference peaks. the photocatalytic performance studies show that thrice layers have better photocatalytic characteristic. and heat treatment can improve the triple layer ' s reaction coefficient

    在ti氏/ tin / ti仇多層膜中在ti02與tin之間鍍制一層適當厚度的ti膜過渡層可以提高多層薄膜的透過率。
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