水動力擴散 的英文怎麼說
中文拼音 [shuǐdònglìkuòsǎn]
水動力擴散
英文
hydrodynamic dispersion-
When the moisture content is below fibre saturation point, the movement of absorbed water is subdivided into two parts : one is diffusion transfer due to the vapor pressure gradient, the other is moisture movement caused by the pressure fluctuation due to the variation of medium
在纖維飽和點以下時，木材內部吸著水的遷移可分為：水蒸汽壓力梯度下的擴散遷移和由於乾燥介質壓力的波動而引起的浮動壓力下的遷移兩個部分。The results showed that the combination of both capillary absorption and moisture diffusion fitted the experimental data very well, pore structures of cement - based materials had great effect on the kinetics of water transport in the materials
結果表明：只有結合毛細吸收和擴散2種傳輸過程才能很好地表徵水泥基材料內部的水分傳輸過程，材料內部孔隙結構時水分傳輸的動力學過程有很大的影響。A mathematical model for the anode of a direct methanol fuel cell ( dmfc ) considering the mass transport in the whole anode compartment and the proton exchange membrane ( pem ), together with the kinetic and ohmic resistance effects through the catalyst layer is developed. the influences of key parameters on methanol crossover and anode performance are investigated
對于dmfc的陽極，本文描述了甲醇和水在陽極及質子交換膜（ pem ）中的傳遞過程、反應動力學和歐姆阻抗效應，建立陽極和pem的數學模型，並探討對甲醇擴散和陽極性能影響的主要因素。Based on an analysis of dynamic conditions for migration and precipitation of gold grains in water system and their diffusion in soil, this paper has advanced a discriminant formula for surfacce ore potential of gold anomalies from 1 : 50000 stream sediment survey, recounted methods for estimating the highest gold grade ores within the anomalies, calculated the discriminant indices for qinba area, and summed up index characteristics of ore - induced gold anomalies in 1 : 10000 soil survey, estimation formulae for orebody location as well as coefficients and constants of slope angles of various orders and grades
摘要在分析金粒在水系中運移、落淤和在土壤中擴散動力條件的基礎上，本文建立了五萬分之一水系沉積物測量金異常地表含礦性的判別公式，闡述了推算異常內礦石最高金品位的方法並計算了秦巴地區的判別指數；總結出萬分之一土壤測量礦致金異常的標志特徵、礦體定位的估算公式及各級次地形坡度角的系數和常數。And vibration function make supplies viscidity and interior frictional force of particle reduce greatly, make the sport tempo of the particle of the supplies increase, has increased the number of times of colliding effectively, accelerate cement particle surface hyrate to speed that liquid phase spread, is it fully go on to mix and stir at micro competence to guarantee
而振動作用使物料顆粒間的粘性和內摩擦力大大減小，使物料顆粒的運動速度增大，增加了有效碰撞次數，加快了水泥顆粒表面水化物向液相擴散的速度，從而保證了拌和在微觀水平上的充分進行。The contents of this paper include the following several aspects : ( 1 ) a model of the fractures leakage is built through counting and analyzing the wealthy geological records of hae field, and a model of the fracture water transporting is also built according to the fracture water condition of its recharge and its runoff and its discharge in hae field ; ( 2 ) this paper studies the chemical behavior and the migration parameters of the elenent sr2 + in ground water in hae field, the main contents include : the presence form of the element sr in ground water is analyzed by way of the rmodynamics ; the absorption mechanism that granite and sand stone absorbs sr element is analyzed based on theory and experiment test the diffusion parameters of the element sr in water and in granite and in sand stone are researched with laboratory experiment test ; the partition coefficient of sand stone and granite to sr is tested by the batch way
其研究內容包括以下幾個方面： （ 1 ）通過對我國hae預選處置場豐富地質資料的大量統計和分析，建立了該處置場的基巖裂隙滲透模型。再根據hae預選處置場基巖裂隙水的補給、徑流、排泄條件及水位動態特徵，建立了預選處置場基巖裂隙水水運動模型。 （ 2 ）對高毒性鍶元素在我國hae預選處置場地下水中的化學行為和遷移參數進行系統的研究，其中主要包括運用熱力學方法分析了鍶元素在地下水中的存在形態，利用理論分析與實驗測試相結合的方法分析了花崗巖和砂巖對核素鍶的吸附機制，採用室內實驗裝置研究了核素鍶在地下水中的擴散參數以及在花崗巖和砂巖中的本徵擴散參數，採用靜態批式法研究了鍶在砂巖和花崗巖中的分配系數。( 3 ) basing on the hydrodynamic model, a numerical model is established to simulate the transport and dispersion of pollutants in the coastal waters. the model is applied to simulate the cod distribution in hakata bay
（ 3 ）在水動力模型的基礎上，建立了污染物擴散輸移的數學模型，並將該模型應用於博多灣cod擴散輸移過程的數值模擬。Through analyzing the effect of temperature and nitrogen on crude oil viscosity the influences of different nitrogen injection volume and injection modes on steam displacement are contrasted, the mechanism of nitrogen - assisted steam stimulation is clarified, which includes : heat carrying capacity is raised, the saturation of remaining oil is reduced after nitrogen - assisted injection is made ; crude oil flow is enhanced because of nitrogen compression and dispersion and the change of oil flow shape ; water back - production rate is improved by expanding the steam sweep volume and compensating in - situ energy ; steam distillation effect is enhanced
通過分析溫度、氮氣對原油粘度的影響，對比不同注氮量、不同注入方式等對蒸汽驅油效果的影響，弄清了氮氣輔助蒸汽增產的機理主要表現在：氮氣輔助后增加攜熱能力，降低殘余油飽和度，氮氣的壓縮膨脹作用分散和改變了原油流動形態，增強了原油流動性；擴大蒸汽的波及體積，補充地層能量，提高回採水率，強化蒸汽蒸餾效應。Seawater intrusion is modelled as a nonlinear system of coupled two parabolic partial differential euqaitons, of which one is the pressure flow equation and the other one is the concentration equation of convection - dispersion type
摘要海水入浸問題的數學模型是兩個耦合拋物型偏微分方程，其中一個是關于壓力的流動方程，另一個是關于濃度的對流擴散方程。Based on the observation data such as coads and soda, the main climatological features of the tropical indian ocean and relationships of sea surface temperature ( sst ), heat budget with ocean dynamics and thermodynamics processes are analyzed ; the seasonal and interannual variability of the tropical indian ocean are well simulated using a ocean general circulation model ; based on the thermal equation and model output data, the variation mechanism of sst and heat budget are investigated in the tropical indian ocean ; besides, the effect of seasonal variation of wind stress, ekman pumping and horizontal diffusivity on the ocean current and heat budget are studied, using both ideal model and complex model
本文根據coads 、 soda等實際觀測資料，較全面的分析了熱帶印度洋主要的氣候特點，並研究了海表面溫度（ sst ） 、熱收支與海洋動力、熱力過程的聯系；利用全球海洋環流模式較好地模擬出熱帶印度洋的季節和年際變化；基於熱力學方程和海洋環流模式輸出結果，探討了熱帶印度洋sst和北印度洋熱量收支的季節和年際變化機制，進一步揭示了海洋動力過程在北印度洋熱平衡中的重要作用；在此基礎上，利用理想化的數值試驗與數值模擬結果相結合的方式，證實了風應力的季節變化和ekman抽吸，以及水平熱量擴散系數對北印度洋海洋環流和熱收支的影響。Three kinds of inflows with different combination of temperature and salinity are studied. results show that difference of diffusion between temperature and salinity have little effect on mean flow fields. but significant effects will arise when components are distinct in contribution to water density
成果分析指出了溫鹽共同作用引起的高雷諾數紊動浮力流動受溫度和鹽度的分子擴散速率差異的影響很小：但是因各組分對環境水體密度影響差異會造成不同的浮力流動特徵。At a certain moment of mixing and stiring, every group a copy of circulation flow and spread is distributed to begin to go on at the micro level, mixing and stiring the sport characteristic that the speed not merely depends on the supplies, depend on structure rheology characteristic, particle big or small, alternate superficial size and is it form value of strength, etc
拌和到某一時刻后，各組份循環流動與擴散分佈開始在微觀水平上進行，拌和速度不僅取決於物料的運動特點，而且取決於物料的結構流變特性、顆粒大小、相間表面的大小和粘結力的值等。After finished the cyclic voltammetry experiments, the results showed that iron steel grid can act as good current collector in the aqueous electrolyte. while the scan rate was fall in the range of 0. 5 - 4. 0mv / s, electrochemical reaction of the lithium insertion / extraction in the solid phase was kinetically limited by the diffusion of lithium ions. after 40 cycles in aqueous electrolyte the discharge capacities of sample of s13 reached 77mah / g, and showed good cycle performance
在水溶液中不銹鋼網可以作為電極的集流體，在0 . 5 - 4 . 0mv / s的掃描速度范圍內，鋰離子在尖晶石鋰錳氧化物的嵌入和脫嵌的電化學反應在動力學上是受鋰離子在固相中的擴散所控制，充放電實驗顯示樣品s13在水電解液中經過40個循環后達到77mah / g的放電容量，具有很好的循環穩定性。During its migration towards the surface in the forms of microbubble, water power, diffusion and filtration, the effects and styles of hydrocarbon are closely related to such geological factors as the cover of the oil and gas accumulation, fault and fissure system, nature of fluids in the reservoir and pressure of the strata
摘要烴類以微泡、水動力、擴散和滲透方式向地表遷移過程中，其效能、方式與油氣藏的蓋層、斷裂與裂隙系統、儲層的流體性質、地層壓力等地質因素密切相關。According to two - dimension flow continuity, momentum equations, suspended sand diffusion equations and two - phase flow bed sand motion equations, hydraulic - dynamics sediment accumulation mathematical model between two impounding dams was set up by adopting the methods of weighting and concentrating masses
根據二維水流連續、運動方程、懸沙擴散方程和兩相流底沙運動方程，採用加權集中質量剖分方法，建立了蓄水兩壩間水動力、泥沙淤積數學模型。A vertical two dimensional model for thermo stratified flows is proposed, which solves the velocity and pressure by a fractional step method, and large eddy simulation model is used to calculate the reynolds stress and turbulent diffusion effect
摘要建立立面二維水動力學與水溫耦合模型，用分步法求解流速和壓力，採用大渦模型計算紊動應力和紊動擴散。They then visited a flat in block e to have a better understanding of the bathroom setting of a typical household in amoy gardens, where coronavirus was suspected to have spread through dried - up u - traps, facilitated by powerful exhaust fans and the light well effect
小組接著到訪Ｅ座一個單位，深入了解淘大花園一般住戶的浴室裝置；冠狀病毒懷疑透過乾涸的聚水器，及啟動強力的抽氣扇和天井效應加速在屋苑擴散。The numerical simulation is an effective method. the main task of this dissertation is to establish a hydrodynamic and pollutant transport model, and to simulate the tide field and concentration field of hakata bay : ( 1 ) dispersing the long - wave equation on interlaced grid by adi method, a two - dimension hydrodynamic model is established to simulate the tidal flow in hakata bay under the effects of m _ 2, s _ 2, o _ 1, k _ 1 tide
本文的主要工作是建立一個深度平均的二維水動力及污染物擴散輸移的數值模型，並對一實際海灣的潮流場及濃度場進行數值模擬： （ 1 ）用深度平均淺水波動方程為控制方程，採用迎風adi有限差分方法（交替方向隱式法）在矩形交錯網格上離散潮波方程，建立了一個二維潮流數值模型。Abstract : the article introduces cement slurry rheological characteristics and the method of determining the main parameters for cement slurry rheological characteristics, and analyses the difference between the rotation type and funnel type of viscometers in measuring plastic viscosity and apparent viscosity of cement slurry, and then the limitation of the funnel type of viscometer is described. the difference between rigidity and yield value is pointed out. finally through analysis of cement slurry rheological characteristics, the cement slurry filling mechanism is proposed, and the main factors affecting cement slurry are studied
文摘:介紹塑性流體水泥漿的流變性及確定水泥漿主要流變參數的一般方法；分析旋轉式粘度計與漏斗式粘度計在測定水泥漿塑性粘度、表觀粘度時的區別，說明漏斗式粘度計在使用上的局限性；針對粘聚力（動切力）的測定進行分析，認為粘聚力與動切力為不同的概念.通過對水泥漿流變性分析，提出水泥漿充填機理，並對影響水泥漿擴散的主要因素，即粘度影響水泥漿在節理裂隙中向前擴散的速度，動切力限制水泥漿擴散距離作了說明On the basis of former researchers ' work, the author studies sm on ecs continental shelf according to mathematical simulation technique. firstly, the author simulates marine dynamic field with much precise temperature and salinity data. seconly, the author computes the distribution of concentration of sm and its transport in winter and in summer according to a 3 - d suspended matter model. lastly, the author analyses the transport of suspended matter by sea water dynamic circumstance
本文在前人的工作基礎上，通過數值模擬的方法就懸浮體輸送問題進行了探討。首先，利用精度較高的溫鹽資料模擬了黃、東海的水動力場，再通過一個對流? ?擴散型物質輸送模型模擬了東海陸架上冬季和夏季懸浮體的分佈情況，最後結合水動力就懸浮體輸送進行了分析。分享友人