水平衡系數 的英文怎麼說

中文拼音 [shuǐpínghéngxìshǔ]
水平衡系數 英文
coefficient of water balance
  • 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...
  • 衡 : Ⅰ名詞1 （秤桿） the graduated arm of a steelyard2 （稱重量的器具） weighing apparatus3 （姓氏） a...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. The dissertatio n constructs the index system, introduces the coefficients of development, coordination, fairness, and the coefficient of sd, which is composed by the former three and can reflects the sd overall strength of watershed, brings forward the quantative criteria of in order that the research of wrcc is based on the good watershed ecology and environment, the dissertation, according to the ecological appropriate theory, builds the logarithm normal distribution model about the relation between the growth of natural vegetation and the depth of groundwater ; based on this relation model, proposes a quantitative method of ecological water requirement ( ewr ) of natural vegetation in arid area, which utilizes the results of rs technique and the spot testing data of vegetative physiology demand

    針對流域特點建立了基於水資源的流域可持續發展評價指標體系，引入發展系數、協調系數、公平系數，以及由其構成的衡量水資源支撐社會可持續發展綜合水平與能力的可持續發展系數，提出了可持續發展的定量判別方法。為保證在良好生態的前提下進行水資源承載能力研究，論文根據生態適宜性理論，建立了乾旱區典型天然植物生長與主要環境因子的偏態單峰對數正態分佈模型。基於此關系模型，利用遙感技術成果以及植物生理需水的現場實驗數據，提出了乾旱區天然植被生態需水量計算方法。
  2. 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。
  3. Exciting method is used to measure the damping, the four damping coefficients of the radial part and a damping coefficient of the thrust part can be obtained though hammering the testing bearing which is in a equilibrium position. based on the testing data, the dynamic characteristic curves of the radial - thrust floating ring hybrid bearing are drawn and compared with the theoretical curves

    採用激振法測量軸承的阻尼，對處于平衡位置的測試軸承分別沿水平方向、上45度方向及軸向進行錘擊，根據錘擊法原理求得各個轉速下軸承徑向部分內、外膜總阻尼系數以及推力部分內、外膜總阻尼系數。
  4. Abstract : based on the principle of balance of surface irrigation water volume, a method for determination of field average infiltration parameter according to the irrigation data is introduced

    文摘:本文根據水量平衡原理，提出了利用大田畦灌灌水資料推求土壤入滲參數的方法，在此基礎上，又提出了利用波涌灌水流推進和消退資料確定間歇入滲減滲率系數的方法。
  5. 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
  6. Based on the experimental results, several measures including the selection of high - yielding, high nutrient - efficiency variety, correct crop management practices to increase harvest index and returning rice straw to soil were suggested to keep nutrient ( particularly k ) balance in soil - crop system with high - yielding rice production

    根據試驗結果推薦了幾項高產措施，包括選用高產、高養分利用率品種、改進作物管理措施以提高收獲指數和稻草還田，在水稻高產生產土壤作物系統中保持養分（尤其是鉀）平衡。
  7. During the process of system reasoning, h / hcs - 017 swath sounder was used for reference. by the procedure of scheme reason of hydro - device, such as performance choosing and parameters rough estimation, device selecting and performance index ' s checking computation, balance between application index and technical index of system, elementary technical scheme and report text are studied out in final. finally, we applied the theory and method in the software, designed in vc6. 0, which can be used for the further improvement of swath sounder aftertime

    在系統論證過程中，借鑒了h hcs - 017型條帶測深儀的系統論證，通過性能的選取及性能參數的估算、設備方案的選擇和使用性能參數指標的驗算、設備使用指標與技術指標的平衡等水聲設備方案論證的程序，最後擬定初步的技術方案和報告文本。
  8. A combined neural network and genetic algorithm with solving stability safety of homogeneous slope was proposed and the finite element method is applied to analysis the progressive failure process of the slope and the maximum equilibrium theory, requests out stability safety of homogeneous slope with the smooth arc radius of difference with the difference below the level coordinate of arc peak, utilizing the neural network algorithm to establish slidng the nonlinear mapping relationship between level coordinate of arc radious and arc peak, being adapted the neural network algorithm to look for along the minimal stability safety of homogeneous slope and corresponding arc radious and arc peak

    提出了求解邊坡穩定性安全系數的神經網路與遺傳演算法。該方法採用有限元分析和極限平衡理論，求出不同的滑弧半徑和不同的弧頂水平坐標下的邊坡穩定性安全系數，利用神經網路演算法建立滑弧半徑和弧頂水平坐標與安全系數之間的非線性映射關系，採用遺傳演算法搜索邊坡的最小穩定性安全系數及相應的滑弧半徑和滑弧中心坐標。
  9. Application of water stress coefficient from fao56 to the field water balance analysis

    56計算水分脅迫系數的方法在田間水量平衡分析中的應用
  10. When the model is applied to a historical dam - break flood, the computational results agree well with hydrographic station records and flood tracking investigation

    依據水量平衡原理及水流連續性條件，建立了支流蓄泄庫容關系和支流倒回灌數學模型。
  11. Abstract : the model parameters for uniquac and nrtl equations are obtained by using the infinite dilute activity coefficients of a component at several temperature and the nonlinear regressive technique. the vaporliquid equilibrium ( vle ) data calculated by using the parameters for uniquac or nrtl equation is agreement with that from vle experiment

    文摘:通過一個組分在不同溫度下的無限稀釋活度系數，利用非線性回歸確定了四氫呋喃1 ， 4丁二醇、水1 ， 4丁二醇二元體系的uniquac 、 nrtl溶液模型參數.用所獲得的兩溶液模型參數對三元氣液平衡數據進行理論推算，並與實測的三元氣液平衡數據進行比較，發現兩結果比較吻合
  12. Changes of engel ' s coefficients and scales of inhabitants consuming levels

    恩格爾系數變化與居民消費水平的衡量
  13. It is reasonable and practicable that the equilibrium relationship between the gas relative humudity and the moisture of the pile is introduced into the mathematical simulation in transient process of the spontaneous heating

    結果還表明，把氣流相對濕度與煤堆含水量之間的平衡關系引入自熱過程的非穩態數學模型，不僅是可行的，而且能夠更客觀地描述實際煤堆的自熱過程。
  14. 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。
  15. Using plots with water and fertilizer fully controlled, the effect of photosynthetic characteristic and yield under different treatments of water and fertilizer coupling was investigated. the result showed that photosynthetic rates are different among treatments of water and fertilizer coupling, and the change of stomatal conductivity is the same as photosynthetic rat. there is almost no influence on evaporation rate and cellular co2 concentration the combination of fertilizer and manure under natural rainfall is beneficial to the maintenance of photosynthetic rate during grain filling, thus results in highter yield and good quality. however, the coupling of fertilizer and manure with sufficient water results in the decline of photosynthetic rate and stomatal conductivity, the yield decreased indicating there has a balance ratio between water and nutrients ( fertilizer and manure ) supply. the study proposed that the optimum management to exploring yield and qlality potential is the combination of fertilizer and manure application with no irrigation

    利用可精確控制水分條件的水肥平衡場，在不同水肥耦合處理的條件下，研究了水肥耦合對玉米光合特性及產量的影響，結果表明:不同水肥耦合處理的條件下，玉米的光合速率有所不同，氣孔導度的變化與光合速率的變化表現基本一致，而對蒸騰速率、細胞間co2濃度影響不大.其中，在自然降水條件下，有機肥和無機肥的配合，有利於玉米子粒灌漿期維持較高的光合速率，表現出良好的產量潛力.充足水條件下，有機肥和無機肥的配合，光合速率及氣孔導度表現較低，表現產量有所下降，說明供水量與施肥量之間有一個平衡系數.表明黑龍江省北部黑土區自然生態條件下，為充分發揮玉米的產量潛力，最佳的管理措施是增施無機肥和有機肥的配合
  16. In order to optimize control and management groundwater resource, the paper ascertains hydrologic and geological parameter on the basis of single - and multi - well unbalance flow pumping experiment, establishes the model of groundwater management system using the theory of volume balance

    本文在單、群井非穩定流抽水試驗的基礎上，確定水文地質參數，利用水平衡原理建立地下水系統管理模型，進行優化管理和調度。
  17. The purpose of this article is to develop software for the water balance of power plant. in order to economize water reasonably ， the software considered the demand for all kinds of techniques conditions. it consists of many databases and many water treatment programs

    本研究在綜合了目前火電廠用水和廢水系統的基礎上，以合理用水和節約用水為目的，充分考慮了電廠不同工藝條件對水質和水量的需求，並以此為基礎設計了更加完善的火電廠水平衡軟體：包括各工藝環節水質水量等數據庫及多種實用的水處理工藝方案。
  18. The capsim model, originally developed by the center for chinese agricultural policy research of the chinese academy of sciences, is the first and most comprehensive model for chinese food demand, supply and trade analysis at the national level. the podium model, developed by the international water management institute, is a tool for accounting of water resources at the basin level. capsdvi - podium has been used as a tool in this paper for analyzing food security and water balance scenarios of china in 2020 based upon the database about food and water situation at the national level, provincial level, basin level and county level, hi accordance with such analysis, this paper puts forward policy recommendations for irrigation diversion of water, regional distribution of agriculture and food security

    因此，論文將糧食需求和生產、灌溉需水和水資源保障緊密的聯系起來，在不打破水資源流域特性的基礎上，以全國和九大流域片為研究對象，通過利用全國、流域、省級、縣級統計資料和農產調查及專家訪談資料所建立的包含農業生產、糧食供求、灌溉用水和水資源等指標體系在內的中國糧食安全與水資源數據庫，以原來中國科學院農業政策研究中心（ ccap ）開發的以部門均衡理論為基礎的農業政策分析和預測模型（ capsim ）和國際水資源管理研究所（ iwmi ）開發的以流域水資源核算理論為基礎的水資源政策分析模型（ podium ）為依託，發展了capsim ? podium模型，利用該模型為工具，系統、全面地分析了未來全國和九大流域片的灌溉水平衡和糧食安全情景，在此基礎上提出我國灌溉用水、區域農業布局和糧食安全政策。
  19. 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。
  20. 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。
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