diffusion value 中文意思是什麼

diffusion value 解釋
漫射值
  • 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。
  • value : n 1 價值；重要性；益處。2 估價，評價。3 價格，所值；交換力。4 （郵票的）面值。5 等值；值得花的代...
  1. The other type of initial value problem of interest for us is the diffusion equation.

    另一類我們感興趣的初值問題是擴散方程。
  2. According to gaseous " molecular kinetic, the mass diffusion rate is within finite value. so theoretical conclusion of mass flux ' s producing and the essential relation of flux vs. force could be drawn. with the assumption that local density states in near equilibrium and the distribution is gradual changed, the classical first pick ' s law was modified considering mass relaxation time

    根據氣體分子運動論對質量傳播速度為有限值情況下的質量流的產生及流與力之間的本構關系作了理論推導，在假定局域濃度處于近平衡態，其分佈為漸進的情況下得到了考慮質量鬆弛作用的經典fick第一定律的修正式。
  3. The results show that, for larger value - added technological innovation, under certain conditions strategic delegation may hinder the diffusion of patented technology

    結論表明，在一定條件下，對于價值較大的技術創新，策略性授權行為的存在會阻礙專利技術的擴散。
  4. In this thesis we study the existence of periodic solutions and the asymptotic behavior of general time - dependent solutions for periodic reaction - diffusion equations with nonlocal boundary value conditions, the existence of periodic solutions or periodic quasisolutions and the asymptotic behavior of general time - dependent solutions for periodic reaction - diffusion systems with nonlocal boundary value conditions. the whole thesis is made up of three chapters

    本文研究時間變量是周期的反應擴散方程在非局部邊值條件下周期解的存在性及其一般時變解的漸近性態；研究時間變量是周期的反應擴散方程組在非局部邊值條件下周期解或周期擬解的存在性及其一般時變解的漸近性態
  5. Under this mechanism, driven by s ome endogenous motivation factors and suitable exogenous motivation arrangement, the high - level - capability enterprises are expected to conduct external - to - cluster learning activities in the interregional network so as to introduce high - value knowledge flow into the cluster where they are located, and the low - level - capability enterprises, however, are expected to utilize local network to learn from the knowledge diffusion from their high - level - capability neighbors

    該機制的基本思想是藉助內生的動力因素和合理的外部激勵設計，來引導集群高位勢企業面向跨區域網路開展外向型技術學習以引進高價值知識流，而低位勢企業則藉助當地網路平臺從前者的知識擴散中進行跟進式學習，表現在知識的空間運動形態上，是一種「知識引進? ?知識擴散」模式。
  6. Thus, the conclusion is drawn : when the diffusion coefficient of cf is invariable and the diffusion time is under a certain range, the beginning corrosion time of the steel in the corner of the rectangular section is independent of the size of rectangular section ; ( 4 ) through the numerical value calculation of rectangular section, the law is found of the influence on modifying coefficient of rectangular section of the thickness of protection layer of concrete and diameter of the steel and the thickness of cf on the surface of concrete, based on which practical calculating method of beginning corrosion time of the steel in the corner of rectangular section is set up

    從而得到結論：在氯離子擴散系數一定的情況下，在一定時間范圍內，矩形截面邊角區域鋼筋的初始銹蝕時間不依賴于矩形截面的截面尺寸； （ 4 ）通過矩形截面邊角區域鋼筋初始銹蝕時間的計算，分析了保護層厚度、鋼筋直徑、混凝土表面氯離子濃度對修正系數的影響，並在此基礎上建立了氯離子侵蝕下矩形截面邊角區域鋼筋初始銹蝕時間的實用計算方法。
  7. Many factors regarding the modifying coefficients of circular and rectangular section are analyzed : ( 1 ) it is theoretically proved that the diffusion coefficient of cl - in concrete is dependent of modifying coefficients ; ( 2 ) through analysis of the results of numerical value calculation, it is discovered that the relation between the modifying coefficients and the thickness of protection layer of concrete is linear, from which the function expression of these two variables is gain ; at the same time, the influence on modifying coefficient of the radius of circular section and the thickness of cl - on the surface of concrete ; based on these, practical calculating method of beginning corrosion time of steel of circular section is set up ; ( 3 ) to rectangular section, the diffusion of cf in concrete is two - dimension diffusion

    討論了影響矩形截面以及圓形截面修正系數的因素： （ 1 ）從理論上證明了氯離子在混凝土中的擴散系數與修正系數無關； （ 2 ）通過圓形截面數值計算結果的分析，發現圓形截面修正系數與保護層厚度基本成線性關系，並建立了二者之間的聯系；分析了圓形截面半徑、混凝土表面氯離子濃度對修正系數的影響，從而建立了圓形截面鋼筋初始銹蝕時間的實用計算方法； （ 3 ）在矩形截面氯離子侵蝕下，混凝土處於二維擴散狀態。本文通過計算分析，證明二維擴散的影響區域從邊角開始向中間逐步擴散，並證明了二維擴散影響區域依賴于氯離子擴散系數與氯離子擴散時間的乘積。
  8. It also studies the problem of real option pricing when the underlying assets follow the pure jump poisson, mixed jump - diffusion merton and mean - reversion model, and obtains the price formula or partial differential equation to price and hedge the real option. when the value of real option can not separate from the value of project, or the uncertainties are endogenous to real option holder, it is difficult to pricing the real option by the ways of no - arbitrage. in this paper we present a approach named valuation with comparison, its basic point is to value the project or program with flexibility by means of decision tree analysis ( dta ) and stochastic dynamic programming ( sdp ), and the results are compared with that of non - flexibility, finally,

    當實物期權的價值不能從項目價值中分離出來，或者影響基本資產價格的不確定性內生於期權的持有者時，此時實物期權的價值一般難以直接利用無套利方法得到，本文通過對現有文獻進行歸納，提出一種比較定價法，其基本要點是利用決策樹、動態規劃法或二叉樹模型等技術來確定嵌有柔性的項目或方案的價值，然後將其與沒有柔性的項目或方案進行比較，從而獲得各種柔性的價值，作為這種方法的一個應用，本文研究了柔性勞動合約的設計與定價問題，研究表明，對企業重要員工採用長期勞動合約，而對一般員工採用短期合約可以節約勞動力使用成本。
  9. L ) the existence of local solutions in the part of the existence of local solutions, we investigate the intial boundary value problems for the more general quasilinear system : we consider the existence of local solutions of the system ( 2 ) when it may be a cross - diffusion system and u g ( g is a open subset of rn ). in order to use the results of h. amann [ 1 ] on local existence for quasilinear systems ( 2 ), we find that the results of h. amann on the corresponding linear system were not proved completely. especially for the case of cross - diffusion systems ( 2 )

    1 ）局部解存在性在局部解存在性部分，我們研究的為更一般的擬線性耦合方程組的初邊值問題：我們研究了在u g （ g是使散度型方程組（ 2 ）中的系數矩陣a （ x ， u ）的特徵值實部大於零的區域）時散度型方程組（ 2 ）解的局部解存在性。在我們應用h . amann的局部解存在性理論時，我們發現h . amann的關于散度型方程組（ 2 ）局部解存在性理論的證明並不完整。
  10. But the comprehensive properties were improved remarkably. with the addition of carbon nanotubes, the polarization of charging process decreased, the plateau of discharge became flatter and the migration of potential of peaks value of cyclic voltemmograms reduced. for the other hand, the exchange current increased, ohm resistance and electrochemical reaction resistance of the electrodes decreased, the diffusion resistance of hydrogen and the resistance of adsorption decreased, too

    摻入碳納米管對儲氫合金電極的容量影響較小，但其電化學性能卻有較大的改善，主要體現在：充電的極化減小，放電平臺更加平穩、循環伏安曲線的峰值電位隨掃描速度增大的遷移量減小，交換電流密度增大，電極的歐姆電阻、電化學反應、擴散電阻和吸附電阻均減小。
  11. Since the generated gas from gas source rocks is expelled in the form of separate phase, can it be useful for the form of pool. so, the expelling gas value of carbonate gas source rocks is more important, this paper, based on the principle of material balance, divide the tough problem of expelling hydrocarbon into relatively and easily investigated problems of gas hydrocarbon generation, residual and diffusion gas hydrocarbon and evaluate gas source rocks in temis of the magnitude of expelling gas ; hydrocarbon ( quantity of expelling gas = gas quantity of generation - adsorption - dissolving in oil - dissolving in water - diffusion )

    由於所生成的氣態烴只有從源巖中以游離相運移出來之後才能對氣藏的形成做出貢獻，因此對氣源巖的排氣能力的評價顯得猶為關鍵。本文根據物質平衡法原理將比較棘手的排氣態烴問題，分解成相對較易考察的生氣態烴問題和殘留、耗散氣態烴的問題，以排氣量大小（排氣量=生氣量?吸附氣量?油溶氣量?水溶氣量?擴散氣量）為評價碳酸鹽巖氣源巖標準。
  12. Differential arithmetic is utilized to set up the numerical value arithmetic of the diffusion model of circular and rectangular section ; at the same time, the stability of the numerical value arithmetic is analyzed ; 4

    利用差分演算法，建立了圓形截面以及矩形截面氯離子擴散模型的數值解法，並對數值演算法的穩定性進行了分析； 4
  13. The result of the experiment indicated that the capability of adsorption decrease with ultrasound intensity, while the rate of the extraction and adsorptin increase. the model resulst also showed that the theoretical value of the homogeneous model considering intrapartical diffusion and outside - surface diffusion with freundlich phase equilibrium equation are agfeeable with the experimental value

    在吸附實驗中，測定了不同強度超聲場下梔子甙與1300樹脂上吸附平衡曲線、靜態吸附動力學曲線、動態穿透曲線。實驗結果表明，吸附容量隨著超聲波強度的增加而減少，而浸取、吸附速率隨著超聲波強度的增加而增大。
  14. The shooting method, sub and super solution method, and fixed point theorem were used to study a class of nonlinear diffusion equations with nonlocal boundary value condition in perforated domains

    摘要利用打靶法、上下解方法和不動點定理等工具，研究有孔區域上一類具非局部邊值條件的非線性擴散方程。
  15. Mri diffusion weighted imaging : diagnostic value of acute cerebral ischemia

    在急性腦缺血中的診斷價值
  16. 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。
  17. For the first time, take tarim basin as an example to establish theoretical, industrial threshold value of organic enrichment of carbonate source rocks. calculate gas quantity of generation, adsorption, dissolving in oil, dissolving in water, diffusion of unit area carbonate rocks at different geologic conditions. and then according to the material balance principle, figure out the corresponding organic carbon content when gas being started expelling from source rocks with separate phase

    分別計算了不同地質條件下單位面積碳酸鹽巖的生氣量及源巖和圍巖各種形式的殘留和耗散氣量（吸附氣量、油溶氣量、水溶氣量、擴散氣量） ，進而根據物質平衡原理計算出源巖開始以游離相有效排氣時所對應的有機碳含量，並將它作為該地質條件下氣源巖的有機質豐度理論下限值。
  18. Calculate gas quantity of generation, adsorption, dissolving in oil, dissolving in water, diffusion of unit area carbonate rocks at different geologic conditions. and then according to the material balance principle, figure out the corresponding organic carbon content when gas being started expelling from source rocks with separate phase. regard it as the theoretical threshold value ( tocmin ) of gas source rocks at that same geologic condition

    分別計算了不同地質條件下單位面積碳酸鹽巖的生氣量及源巖和圍巖各種形式的殘留和耗散氣量（吸附氣量、油溶氣量、水溶氣量、擴散氣量） ，進而根據物質平衡原理計算出氣源巖開始以游離相有效排氣時所對應的有機碳含量，並將它作為該地質條件下氣源巖的有機質豐度理論下限值。
  19. In chapter 1, we establish the upper and lower solutions method of the existence of periodic solutions and the local asymptotic behavior for scalar periodic reaction - diffusion equations with nonlocal boundary value conditions

    全文由三章組成。在第一章，建立帶非局部邊值條件的單個反應擴散方程周期解的存在性及其局部漸近性態的上、下解方法。
  20. In chapter 2, we apply the results of chapter 1 to establish the upper and lower solutions method of the existence of periodic solutions or periodic quasisolutions and the local asymptotic behavior for periodic reaction - diffusion systems with nonlocal boundary value conditions

    在第二章，應用第一章的結果建立帶非局部邊值條件的反應擴散方程組周期解或周期擬解的存在性及其局部漸近性態的上、下解方法
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