diffusion constant 中文意思是什麼

diffusion constant 解釋
擴散常數
  • diffusion : n. 1. 散布,發散。2. 傳播,普及。3. 冗長。4. 【化學】滲濾。5. 【物理學】擴散,漫射。
  • constant : adj 1 恆定不變的,固定的,穩定的,恆久的;繼續不斷的。2 不屈不撓的,堅韌的。3 忠實的,有節操的。n...
  1. Apparent diffusion constant

    表觀擴散常數
  2. In the 4th section we study the optimal consumption and portfolio wher e the stock price with mixed jump - diffusion process, and get the explicit solution of this problem with maximum expected uti1ity ( uti1ity function with constant coefficient and risk averseness ). in the 5th section of this thesis give an concrete example, consider optimal consumption and investment tactics with jump events, and get the optimal consumption and portfolios under maximize expected utility ( risk detesting utility function with constant coefficient etc. )

    第四章考慮了股票價格的動態過程基於復合跳躍? ?擴散過程下的最優消費及投資策略,並求出了期望效用(常系數風險厭惡型效用函數)最大化下的最優消費和投資組合。第五章考慮了由於外部事件的影響導致股票價格的動態路徑出現跳躍時的最優消費及投資策略,並求出了期望效用(常系數風險厭惡型效用函數)最大化下的最優消費和投資組合。
  3. Numerical simulation results indicate that, for low temperature dust particles, dust particles mainly exist in the area near the column center and their charge - number can be considered as a constant, while in the area where there are no dust particles, ion and electrons are in ambipolar diffusion ; for high temperature dust particles, both the distribution regions of dust particle and high ion density are expanded and dust charge - number is increasing with the distance from the center

    計算結果表明:當塵埃粒子的溫度較低時,塵埃粒子主要集中在圓柱形放電器的中心很小的區域,塵埃粒子攜帶的電荷幾乎是一個常數,受塵埃粒子空間電荷的影響,離子在該區域的密度最高。在遠離中心區域,離子和電子呈現雙及擴散特點;當塵埃粒子的溫度較高時,塵埃粒子分佈的區域和高離子密度區域擴大,塵埃粒子離放電器中心越遠,攜帶的負電荷越多。
  4. Dilution and dispersion in constant horizontal flow and bottom multi - port discharging was studied in accordance with the hydraulic model test. the influence of diffusion parameters ( jet angle, jet velocity, number of nozzle, riser space ) and environmental parameters ( water depth, water velocity ) on dilution were analyzed. the experimental results show that environmental parameters have prominent effects on wastewater dilution and dispersion, in addition to that, diffuser design parameters have significant influence on wastewater dilution and dispersion. for bailonggang outfall zone, jet angel is 10 or so, nozzle number is 16 or so

    藉助於人工模型試驗,分析了恆定橫流底部多孔排放時擴散器設計參數(射流角度、射流速度、噴口個數) 、上升管間距)及環境參數(環境水深、環境流速)對污水近區稀釋擴散效果的影響,實驗結果表明,除了環境條件對污水稀釋擴散效果影響明顯之外,擴散器設計參數對污水的近區稀釋擴散也有顯著的影響,針對白龍港排放口水域,噴口射流角度宜控制在10左右,噴口個數取16個
  5. Air distribution and air diffusion. aerodynamic testing and rating of constant and variable flow rate single or dual duct boxes and single duct units

    空氣的分配和擴散.恆定和可變流量單管或雙管箱和單管裝置的空氣動力學試驗及評價額定值
  6. However, linearization of the boussinesq equation 624 science in china : series d earth sciences allows the derivation of analytical solutions valid for specific cases. here we follow the methodology of brutsaert 20 22 to linearize the diffusion term in : 22cossin, hkpdhkhnttffxfx where p is the linearization constant taken to be 0. 5 usually and d l is the mean aquifer depth. the clas - sical separation of variables method for partial differ - ential equations is adopted to give the analytical solu - tion of eq

    對于方程2 , brutsaert進行了如下的線性化處理20 22 22cossin , hkpdhkhnttffxfx ? ? ? ? ? ? 3這里p是線性化常數一般取值為0 . 5 20 , 21 ,而d l是整個潛水面的平均厚度的線性化參數,下面採用science in china ser . d earth sciences第4期? ?田向軍等:基於boussinesq - storage方程同時考慮水分儲存和入滲的地下徑流機制377的是偏微分方程理論中比較經典的分離變量法來給出以上這個經過線性化處理后的方程的解析解
  7. From the concentration dependence of bsa apparent diffusion coefficients, protein interaction parameters have been regressed. it bears a net effective charge of - 9. 0 and has a hamaker constant of 2. 8ket

    根據擴散系數隨蛋白濃度變化的斜率與離子濃度變化的相關性,回歸出了蛋白相互作用參數,蛋白所帶的有效電荷zp二一9 . oe 、 hamaker常量= 2
  8. Firstly, allocation coefficient, diffusion coefficient and reactive extraction equilibrium constant were determined, as well the operation factors affecting these parameters

    ( 1 )測定包括分配系數、水相擴散系數和表觀反應萃取平衡常數等基礎參數,並分析了各操作條件對它們的影響。
  9. The results showed that kp value increased with the increase of the initial concentration and ph value of the feed phase. the determined diffusion coefficient showed good agreement with the value that were calculated by the experiential equation given by castillo r. reactive extraction equilibrium constant kr increased with the increase of the initial concentration of the feed phase and the carrier concentration, while kr value increased slowly in the high initial concentration of the feed phase

    分配系數的研究結果表明,分配系數kp隨著料液苯酚濃度增大而增大,隨料液ph值增大而升高;採用多孔板法測定水相中苯酚的擴散系數,並將測定值與經驗公式估算值進行對比,結果表明,測定結果是可靠的;表觀反應萃取平衡常數kr隨著載體濃度升高而增大,隨著料液濃度的增加而增大,而在濃度較大時, kr增大趨勢變緩。
  10. In the second part, a method studying stochastic transition which is the master equation method is introduced, and explicit solutions of velocity v and diffusion constant d of the steady state are obtained when a particle hops among a dimensional and periodic n states

    第二部分介紹了一種研究隨機躍遷的方法?主方程方法,著重推導了粒子做一維周期性n態隨機躍遷時達到穩態的速度、擴散系數的一般表達式。
  11. A high - order difference scheme for convection - diffusion equation with constant coefficient

    常系數對流擴散方程的高精度差分格式
分享友人