prediction equation 中文意思是什麼

prediction equation 解釋
推算公式
  • prediction : n. 1. 預言，預告。2. 被預言的事物。3. 【氣象學】預測，預報。
  • equation : n. 1. 平衡，均衡；平均，相等。2. 【數學】方程式，等式。3. 【天文學】（時）差；均分，等分。4. 【化學】反應式。
  1. 2. dynamic meteorology : equations of motion ; geostrophic, ageostrophic and gradient winds ; thickness and thermal wind ; continuity equation ; stream function ; vorticity equation ; divergence equation ; omega equation ; rossby wave ; ekman layer ; numerical weather prediction

    2 .動力氣象學：運動方程地轉風非地轉風及梯度風厚度及熱成風連續方程流函數渦度方程輻散方程奧米茄方程羅斯貝波埃克曼層數值天氣預報。
  2. The s - l - e experiment data for the eight binary condensed systems of fatty alcohol / fatty acid were treated by using the improved equation, and the equation was examined with experimental data. at the same time, we used ideal model to predict the tenary s - l - e of n - octadecane / lauric acid / stearic acid system, and we got an accurate result of the simple eutectic temperature. the relative error is 0. 51 % comparing with the experimental result, so we will offer a method of prediction for quickly obtaining multicomponent system phase change materials this article calculated the pcms quantities and energy saving effect in theory, designed the experimental apparatus to measure the energy saving effect, and analyzed the temperature equalization action of the pcms by comparing experiment

    利用這種方法，建立了適合醇-羧酸等系列二元體系的單參數margules方程，本文對醇-羧酸系列等8個二元凝聚體系的單參數margules方程的參數進行回歸，並利用整個實驗數據對模型進行了檢驗，另外，本文利用理想狀態模型對一個三元體系18烷-月桂酸-硬酯酸相圖進行預測，通過與實驗數據進行比較，預測的低共熔溫度與實驗測定溫度較為吻合，其相對誤差為0 . 51 ，這將為快速獲取多元體系的相變材料提供預測方法。
  3. In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的
  4. Abstract : in this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    文摘:本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的
  5. According to the feature of oils, the evaporation of crude oils is not controlled by the boundary layer and the prediction equation based on the water evaporation equation is not correct theoretically

    結合原油組分特點，認為過去將原油蒸發當邊界層控制來處理，以及以純水蒸發速率方程為基礎通過修正而建立起的原油蒸發速率方程是缺乏理論根據的。
  6. Thought the pan evaporation, it has been found that the evaporation of shengli crude oil is controlled by the first step and the effect of wind velocity is small. the prediction equation is dw / dt ^ k d ? 2 a ju, y hct / t, which is related with the liquid characters and states ( e. g. thickness, area, viscosity ) and is independent of wind speed

    2 、實驗結果表明，勝利原油蒸發由第一步即蒸發由液體內部易揮發組分向液體表面的遷移來控制，因此風速影響很小，建立速率方程時不必考慮風速，只需考慮液體本身的性質和狀態（如厚度、表面積、粘度等） ，速率方程可寫為： dw dt = kd4 ? 』 a嚴t 。
  7. From the dongying formation ( ed ) to neogene, the shahejie formation was located in the late diagenetic stage a1 ~ a2 ; the oil and gas pools formed in a wide scale. at present the lower e2s3, with overmatured source rocks and low porosity reservoir rocks, gets into the late diagenetic stage b - c in the northern qibei sag where is not favorable for petroleum accumulation, but the others of the shahejie formation are locate still in the late diagenetic stage a1 - a2 and propitious to form oil and gas pools based on the diagenetic numerical modeling under the condition of overpressure, we build a multiple unit cubic equation model for porosity prediction, as the result of the application of qibei sag, the prediction error is less than 2 %, and the precision excess that of foreign same model

    歧北凹陷的模擬結果表明，在沙河街組沉積末沙河街組三段就進入晚成巖階段a _ 1期，油氣藏開始形成；在東營組沉積時期晚第三紀，沙河街組大部分地層處于晚成巖階段a _ 1 a _ 2期，生、儲、蓋層發育，是其主要成藏期；現今在歧北凹陷北部沙三段下部進入晚成巖階段b c期，儲層物性較差、不利於成藏，其他層段仍處于晚成巖階段a _ 1 a _ 2期，有利於油氣藏的形成。
  8. The flood and drought in both first stage and second stage of rainy season in fujian province were forecasted by the ways of line regression prediction equation and three kinds of artificial neural network models, the results show : the backpropagation ( bp ), radial basis function ( rbf ) and elman neural network models are much better than line regression prediction equation in historical sample fittings, independent sample test, actual prediction ability

    （ 3 ）運用線性回歸預報方程和三種人工神經網路模型對福建汛期旱澇進行預測的實驗表明： bp 、徑向基（ rbf ）和elman這三種人工神經網路模型在歷史樣本擬合精度上、獨立樣本檢驗結果和網路模型的實際預測能力上都明顯優于傳統的線性回歸方法。
  9. Application of bp neural network and spring equation to thickness prediction in aluminum hot tandem rolling

    神經網路和彈跳方程在鋁熱連軋厚度預報中的綜合應用
  10. A normalized mapping rule of raw grey series is introduced by analysis of exponential function characteristics of the whitening differential equation, which makes the non - equigap grey prediction model ngm ( 1, 1 ) fit for universal raw grey series, improves prediction precision greatly, meanwhile makes innovation to series with negative values and enlarges grey prediction theory

    通過對白化微分方程解的指數函數特性的分析，研究了原始灰序列的歸一化映射規則，使非等間距灰預測模型ngm （ 1 ， 1 ）適應一般灰序列，灰預測精度也大大提高。這亦解決了含負值灰序列預測的理論問題，拓寬了灰色預測理論。
  11. Theory of combustion dynamics, semenov auto - ignition and method of prediction of auto - ignition by the semenov equation were introduced in the dissertation

    介紹了有關自燃的燃燒動力學理論、 semenov自燃理論以及應用semenov方程對自燃范圍進行預測的方法。
  12. Based on successive regression study of observation data, the authors ascertained the factors having influence on the fluctuation in the bai spring discharge, established the regression equation and the prediction model, and calculated the exploitable karst water resources under natural conditions

    摘要本文通過對輝縣自泉泉水流量動態的分析，確定了泉水流量動態的影響因素，建立了泉水流量的衰減方程和泉水流量的預測模型，預測了天然狀態泉水流量，評價了泉域巖溶水的開采資源。
  13. After comparision of the shortage of qualitative and quantitative prediction methods, i establishe multi variable regression equation as the method to predict the prices. i established the model and check it up under the ground of multi variable regression analysis and the collected data

    在比較了許多定性預測與定量預測方法的優缺點后，選定了建立多元回歸數學模型，作為價格預測的方法。按照多元回歸分析建模的要求和步驟，收集整理資料，建立模型並進行模型檢驗。
  14. The plan of prediction and analysis has been worked out based on the electromagnetic interference and prediction equation and the multilevel prediction principle after analyzing the interference features and structure of the radio system

    在分析了局部區域中的無線電系統間相互干擾的特點及目前存在的無線電系統體系結構的基礎上，根據電磁干擾預測方程和多級預測原理，確定了預測分析方案。
  15. Abstract : based on the heat equilibrium fundamental theory and the unsteady heat transmit equation, a numerical model of temperature field of an underwater oil storage tank was established. the numerical prediction was obtained and compared with the experimental data. the result has shown a good agreement between them

    文摘:基於對儲油罐模型試驗和溫度場變化規律的大量實測數據，並對相關參數進行優化分析，依據熱平衡基本原理和導熱微分方程，用有限差分法對非穩態傳熱進行數模計算，得到了與實驗值吻合較好的油罐溫度場計算結果，為工程設計提供依據。
  16. The most difficult task in eculation is not prediction but self - control. succe ful trading is difficult and frustrating. you are the most important element in the succe equation

    在投機里最難的任務不是預測，而是自我控制。成功的交易是艱難和令人煩惱的交易。在成功的等式里，你是最重要的因素。
  17. Standard specification for developing and validating prediction equation or model used in connection with livestock, meat, and poultry evaluation device or system to determine value

    開發和驗證與牲畜肉類和家禽的測定值的評估系統和設備有關的預測方程或模型的標準規范
  18. Based on study of previous models for production rate prediction, this paper presents a newly established differential equation of accuniulated production increase rate, and works out the practicable equation used for prediction of oilfield annual production sum, accumulated production and recoverable reserve

    在研究以往產量預測模型的基礎上，提出了一種新的油氣田累積產量增長率微分方程，並由該方程得到了預測油氣田年產量、累積產量和可采儲量的具體方程。
  19. Generally speaking, if the fitted results are not satisfactory for binary systems, the prediction is also bad for multi - component systems that include the binary ones, and the more the temperatures at which the multi - component system is predicted are close to that of the binary systems, the better the predicted results with wilson equation

    若對二元系的擬合效果較差，則對包含該二元系的多元系的預測效果也不是很理想。同時，對多元系的預測還受到溫度的影響，一般來說，多元系的預測溫度與用於擬合參數的二元系的溫度越接近，則wilson方程的預測效果越好。
  20. One is to derive the optimal prediction and the other is to find its necessary and sufficient conditions. there is, however, a more design matrix in this model than is in multivariate linear model, which has caused difficulties such as solving a exceptional unlinear matrix equation groups especially when deriving the optimal prediction

    但是因為一般增長曲線模型比多元線性模型多一個設計陣，這就給研究帶來了很大的困難，特別是在求解模型的最優預測時，遇到了一類特殊的非線性矩陣方程組，所以在一般情況下我們既無法求出模型的最優預測，也無法找到存在最優預測的充要條件
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