concentration coefficient of diffusion 中文意思是什麼
concentration coefficient of diffusion
解釋
擴散濃度系數- concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
- 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。
- of : OF ＝Old French 古法語。
- 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。
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Influences of ph values, ferrous minerals ( reduced iron powder or magnetite ), bentonite, concentration of cations and anion ( fe3 +, fe2 + and co32 - ) on the distribution coefficient, kd, were studied. the sorption mechanism of 99tc on granite was discussed by the desorption method of adding h2o2 into desorption solvent. based on the diffusion coefficient measured and the solution of the diffusion equation, the distance of tc diffusion after ten thousand years was predicted
本文分別在大氣和低氧條件下，研究了tc在花崗巖上的吸附和擴散，包括溶液的ph 、含鐵礦物（還原鐵粉、 fe3o4 ） 、膨潤土、陰陽離子的濃度（ co32 - 、 fe3 + 、 fe2 + ）對tc在花崗巖（石英、黑雲母）上吸附kd值的影響；在解吸劑中加入h2o2 ，對tc進行解吸，探討了其吸附的機理；將擴散系數代入擴散方程的解析解，預測了10000年後， tc擴散的距離。 -
On the basis of the theory of reinforcement corrosion caused by chloride, a chloride diffusion model considering the time - dependent quantities of diffusion coefficient and surface chloride concentration for predicting the content of chloride in concrete is presented in this paper, at the same time, the determination of model factors are analyzed
論文以氯離子對混凝土結構的侵蝕機理為基礎，在不同氯腐蝕環境下，建立了考慮氯離子擴散系數的時間依賴性及其它因素影響的改進氯離子擴散模型，並對模型參數的選取和確定進行了深入討論。 -
For pc, the pulse diffusion layer only depends on the diffusion coefficient of cations and the pulse length, is not related to the concentration of the mass
單脈沖擴散層的厚度僅取決于陽離子擴散系數和脈沖導通時間，與溶液本體濃度無關。 -
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。 -
They can be used to assess or predict the reliability of corroded and cracked r. c. structures in marine environment. the stochastic model for assessment of chloride concentration in concrete is built by analyzing the stochastic process of chloride diffusion in concrete and taking account of the time variation of the diffusion coefficient
通過分析氯離子在混凝土中擴散的隨機過程，把擴散系數作為隨時間變化的函數，將混凝土表面氯離子濃度、保護層厚度作為隨機變量，建立了預測混凝土保護層中氯離子濃度分佈的隨機模型，推導出了氯離子濃度的均值和方差。 -
At the same temperature ( 25 ), soil bulk density ( 1. 3g / cm3 ) and concentration of applied ions ( 0. 014g / cm ), the value of chlorine diffusion coefficient ( dei ) increased linearly with water content, and that of potassium ( dk ) increased exponentially or power - lawly
25c 、非飽和條件下，四種土壤o一、義的擴散系數均隨含水量的增加而增大，前者隨含水量呈線性增加，後者呈指數函數增加或冪函數增加。
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