水平擴散系數 的英文怎麼說

中文拼音 [shuǐpíngkuòsǎnxìshǔ]
水平擴散系數 英文
horizontal diffusion coefficient
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 平 : Ⅰ形容詞1 （沒有高低凹凸 不頃斜） flat; level; even; smooth 2 （高度相同; 不相上下） on the same l...
  • 擴 : 動詞（擴大） expand; enlarge; extend
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 水平 : 1. （跟水面平行的） horizontal;level2. （達到的高度） standard; level
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. A transfer model is established, which can be used to study the interaction between the land surface physical processes of inhomogeneous region and the structure of atmosphere boundary - layer over urban and rural terrains. the model has simulated surface heat flux, surface temperature, temperature profiles, height of mixture layer and so on. and the differences between urban area, suburban area and rural area have been compared. this model mainly depends on the parameters below : surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of errain, cloudage. the result shows that this model can simulate the structure and eigenvalues of atmosphere boundary layer and their changes in a day. parameters used in this model aim at beijing city, and the time is at the beginning of september. to other cities, or other time, the parameters should be adjusted accordingly. in addition, being adjusted, the model can also be used for other homogeneous and inhomogeneous terrains

    模式主要依賴于以下參數和物理量：地面反照率下墊面粗糙度土壤的可含水量下墊面的熱容量和熱擴散系數雲量等參數。結果表明，本模式能合理地模擬不同地表熱量平衡地表氣溫混合層高度湍流交換系數湍流動能位溫廓線等，以及它們的日變化。該模式所取參數主要針對北京市，時間為九月初，對于其他城市，參數應作相應的調整。
  2. In this paper, some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data. the cross section of compound channel can be divided into four regions : the undisturbed region in main channel, the interactive region between channel and plain, the undisturbed region in flood plain and the boundary region. in the undisturbed regions, the distribution of longitudinal velocity along the depth has the feature of lograithmic. whereas, in the interactive region, the longitudinal velocity does not obey the logarithmic distribution law, but it can expressed as a revised logarithmic function by using a wake function. on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained. in the boundary region, the longitudinal velocity obeys the law of parabolic distribution. furthermore, according to the simplified diffusion equation, the transverse distribution of sediment concentration in the interactive region is deduced. the analysis is in good agreement with the measured data

    本文根據漫灘水流的運動特點，將漫灘水流的復式斷面分為主槽平衡區、灘槽交互區、灘地平衡區及邊壁區等4個區，並給出了各區寬度的經驗公式.根據灘槽交互區垂線流速分佈的變化特點，提出了附加尾流函數的對數流速分佈公式.在簡化水流運動方程和泥沙擴散方程的基礎上，對灘槽交互區內垂線平均流速及含沙量沿橫向分佈進行了理論分析，提出了反映灘槽水流動量交換強度的橫向渦量粘性系數及橫向擴散系數的表達式，得到了漫灘水流垂線平均流速及含沙量沿橫向分佈的解析解，並與實測資料吻合較好
  3. On the basis of the safety system engineering theory. applying the dow fire & explosion index and the normal stability gauss mathematical diffusion model etc., combining with the practice of mouping port, the hazards during the handling and storage of liquid chemicals in bulk have been analyzed and the risks of fire explosion and leakage ( including water pollution and water pollution ) have been assessed. taking into account of insufficient consideration of the human factor in the dow fire & explosion index, the soft compensation coefficient has been raised

    本文以安全系統工程為理論基礎，運用道氏火災爆炸指數法、平均運動方程組以及常穩態高斯數學擴散模型，結合牟平港散化運輸、裝卸的實際，對牟平港散化儲運的火災爆炸危險性和毒物泄漏危險性（包括水污染性和大氣污染性）進行了定性和定量的分析評價。在評價程序上，針對道氏火災爆炸指數法中對人為因素和管理水平等考慮不足的問題，提出了軟補償系數的概念，找出了散化碼頭日常監督管理工作的重點。
  4. The membrane properties were found to be dependent upon the content of styrene. the membrane physic - chemical properties compare to nafion 117 except that their chemical stability has to be further improved to make them acceptable for practical use in the proton exchange membrane fuel cell. the proton transport through the membrane follows the " liquid - like " proton conductivity mechanism y and the water balance is important for the working condition of the fuel cell

    對磺化膜的研究分析表明：膜的性能參數如離子交換容量、吸水率、水合系數、形體穩定性、導電性能、化學與熱穩定性等依賴于膜中苯乙烯含量，且接枝苯乙烯相互間的位阻效應對膜性能影響很大；膜的性能可與nafion膜相比較；質子在膜中的傳導遵循「似液體」質子傳導機理；電滲析與擴散作用使膜保持水平衡。
  5. 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。
  6. Systematically investigate the hydrocarbon generation of organic matter ( oil and gas generation from organic matter and oil to gas ), residual hydrocarbon of source rocks ( residual liquid hydrocarbon of rocks, gas adsorption of rocks, gas dissolving in oil and gas dissolving in water ) and gas diffusion etc. take the conditions of tarim as an example, calculate quantity of oil and gas generation, residual liquid hydrocarbon, gas adsorption, gas dissolving in oil, gas dissolving in water, and gas diffusion under different geologic conditions, then according to the principle of material balance, work out oil expelling and gas expelling quantity

    對評價中遇到的有機質生烴（有機質成油、成氣、油成氣） 、源巖殘留烴（巖石殘留液態烴、巖石吸附天然氣、油溶氣、水溶氣） 、天然氣擴散等問題進行了較為系統的研究，並以塔里木盆地地質參數為例，計算了不同地質條件下烴源巖的生油氣量、殘留液態烴量、吸附氣量、油溶氣量、水溶氣量、擴散氣量，進而根據物質平衡法計算出排油量、排氣量。
  7. Solar radiation models of different temporal and spatial scales were established by using ground observed data from meteorological stations. a series of distributed models were developed based on principles of direct and diffuse radiation on tilted surfaces and integrated with gis software. using dem data of chongqing, the distributions of direct and diffuse radiation over rugged terrains were simulated

    本文利用重慶及其周邊地區的日射站和常規氣象站水平面觀測資料，建立不同時空尺度的太陽輻射估算模型；依據坡地直接輻射和散射輻射機理，以地理信息系統為數據處理平臺，建立起伏地形下太陽輻射分散式估算模型；根據重慶1 ： 25萬dem數據，對重慶實際復雜地形下太陽直接輻射和散射輻射進行了數值模擬，為起伏地形下輻射估算及其他地表氣象要素的空間擴展提供有益的嘗試。
  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. With the scale of social production extends and the production horizontal exalts, the electricity control technique and the hydraulic technique all develop very quickly. electricity control technique developed from the relay system to the direct digit control ( ddc ) system the disperse control system ( dcs ) to the fieldbus control system ( fcs ). the modem hydraulic control technique have developed to a complete automation which include of transmit control testing computer technique, and gradually turn to the digit control and full - automatic control

    隨著社會生產規模的擴大、生產水平的提高，電氣控制技術和液壓技術都在非常迅速的發展。電氣控制從繼電器控制系統發展到直接數字控制（ ddc ）系統、集散控制系統（ dcs ）到目前的現場總線控制系統（ fcs ） 。現代的液壓傳動及控制技術已發展成一門集傳動、控制、檢測、計算機一體化的完整的自動化技術，並逐步趨向數字控制和全自動化。
  11. It involves many fields, such as radar ew equipment, radar ew system, modeling and simulation technology, computer technology, software engineering, etc. in the area of mathematics modeling in radar ew, these models have been modified fulfill fidelity and reliability on the base of many years reseach in national key laboratory of electronic warfare ( newl ). system combat effectiveness models had been supplied into this paper. in the area of modeling and simulation, all achievements are full of originality

    在領域模型方面，作者將本實驗室在雷達對抗系統武器裝備數學建模多年的研究成果進行了總結、歸納和補充，對模型的逼真度、可信度進行了修改完善，補充了系統作戰效能評估數學模型;在模擬建模和模擬實現方面，作者將軟體工程和分散式模擬中的先進技術引入到項目中，進行了雷達對抗系統作戰效能評估需求概念分析、模型抽取、構件化模型實現和分散式模擬系統設計與集成，模擬模型具有良好的可信度、重用性，模擬系統具有良好的可擴展性、靈活性、多接入方式，模擬模型和先進的實現技術在國內同行業具有領先水平。
分享友人
分享到 Line

分享到臉書