yield prediction 中文意思是什麼

yield prediction 解釋
產量預測
  • yield : vt 1 生出，產生（作物、報酬、利益等）。2 給與，讓與；讓渡；放棄（權利、地位等）；交出。3 承認。4 ...
  • prediction : n. 1. 預言，預告。2. 被預言的事物。3. 【氣象學】預測，預報。
  1. 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
  2. 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
  3. The comparison with minhas model, which fits well the experiment data, indicated that the spring wheat ' s sensibility to water expressed by these two models is identical and their results of yield prediction agree with each other for same water application

    通過與當地條件下擬合效果較好的minhas模型比較，該模型所預測的產量隨備生育階段水分的變化規律與mi訕as模型敏感指標所反映的敏感程度變化規律相一致，且兩者產量預測值接近。
  4. By using a cell equivalent method, the present model can deal with the face - center square structure of erf. combining the scheme of the classical conductivity model for the single - chain structure, a new formula for the prediction of the shear yield stress of erf is set up. the influences of the separation distance of the particles, the volume fraction of the particles and the applied electric field on the shear yield stress are investigated

    在電導模型的基礎上，建立在電流變液體在外加電場的作用下，粒子之間會形成某種特定的微觀結構，利用等效胞元的方法，將這微觀結構等效成一個平板，建立了等效的微觀結構平板模型，通過計算電流變液體內部的局部電場，對電流變液體的工作機理和剪切屈服應力進行了預測，並且分別考慮了在不同的粒子間距、不同的粒子濃度、不同的外加電場的情況下，對剪切屈服應力的影響。
  5. Based on the fractal character of the small watershed topographic feature, the spatial and temporal variation character of sediment yield of the watershed model, the dynamic developing process and fractal character of the topog raphic feature of the watershed model, and the coupling relationship between the sediment yield and the topographic feature of the watershed model are " studied by simulate experiment, fractal theory, high precise photogrammetry and gis technology. the validation research is conducted in chabagou watershed where the observation data of rainfall, sediment and runoff for 11 years is collected. the study provides new theory and method for the topographic feature quantitative research in the prediction model of small watershed sediment yield

    本文依據流域地貌形態所具有的顯著分形特徵，從模擬實驗出發，利用分形理論和方法，結合高精度攝影測量和gis技術，對流域模型侵蝕產沙時空變異特徵、地貌形態發育過程及其相應的分形特徵、流域模型侵蝕產沙與地貌形態耦合關系進行了深入研究，並以具有11年降雨泥沙徑流觀測資料的岔巴溝流域為例進行了驗證研究，為實現從單坡面侵蝕產沙模擬、預報向流域侵蝕產沙模擬、預報轉化過程中地貌形態參數的提取提供了理論和方法，為黃土高原小流域水土流失綜合治理提供了科學實踐依據。
  6. The comprehensive research of typical wells in water - yield pattern shows that the theoretical curves are accordant with actual situation, indicating this method is applicable to analysis and prediction of water - yielding pattern in such a reservoir

    對典型井的產水規律綜合研究表明，理論曲線與油藏實際產水情況比較吻合，說明該方法對薄層底水油藏產水規律分析預測具有較好的適用性。
  7. An apple yield and quality prediction system in shaanxi province

    陜西省蘋果產量品質預報系統
  8. Model of yield prediction in ethy lene oxidization reactor with the pca - rbf neural network

    神經網路的乙烯氧化反應器收率預測模型
  9. The submodel for target yield prediction was developed through integrating the effects of cotton radiation - temperature - water yield potential, soil fertility, average yield of last three years and production technique levels

    產量目標知識模型是以棉花光溫水生產潛力的估算為基礎，通過量化土壤肥力、歷史產量水平和生產技術水平等多因子對皮棉產量的影響而建立的。
  10. Calculation of critical area is the base of yield prediction

    關鍵面積的計算是成品率估計的基礎。
  11. The lifetime model of interconnect represented in the thesis has a great significance to the evaluation of reliability for 1c. and, it contributes much to the yield prediction to use the calculation method of critical area expressed in this thesis. the quantitative description of reliability and yield makes it possible to estimate circuit ' s reliability from its yield

    本文提出的新的互連線壽命模型對集成電路可靠性的評價有重要意義；所提出的關鍵面積計算方法有助於正確地進行成品率計算；而利用給出的可靠性和成品率關系的定量描述，又可以從電路的成品率估算它的可靠性。
  12. The rapid and reversible change between fluid and solid enables erf potential applications in mechatronic devices, cars and general machines. the transmission ability of a self - made cylinder coupling with zeolite - based erf was investigated, the torque transmission of the coupling in wide ranges of driving speed and electric field was measured. the relationship between the transmission torque, the zero field viscosity of erf and shear yield stress of erf under different electric fields was obtained and compared with theoretical prediction

    本文用沸石和硅油配製的電流變液，在自製圓筒式聯軸器上研究了在一定的速度范圍和有無電場作用條件下測量了其扭矩傳遞能力，獲得了傳遞扭矩與零電場電流變液粘度以及電場中電流變液的剪切屈服應力之間的關系，並與理論值進行了比較。
  13. Because the models are all empirical ones established based on deficit experiment, the application of them should be limited above the low soil moisture of the water deficit experiment according to statistical theory, otherwise the prediction of crop yield by the models may produce considerable error

    作物水分響應模型均為按非充分灌溉試驗得到的經驗模型，按數理統計和應用要求使用時應限制在非充分灌溉試驗處理的水分下限值以內，不宜隨意外推，否則預測或模擬的作物產量可能會有較大誤差。
  14. The fundamental thought - way to determine the optimal yield structure of crude oil can be listed as follows : by doing the analyses of corresponding costs and making prediction, we can obtain the basic economic rules and the states of the change of economic profit, by which we can determine the optimal yield structure of crude oil

    原油最佳產量結構研究的基本思路是通過成本分析與預測，來探討油田開發的基本經濟規律和經濟效益的變化情況，探討原油產量在各種情況下的最優確定方法。
  15. Application of grey prediction model gm for yield trend forecast of early spring crops in yunnan province

    灰色預測模型在雲南小春作物產量預報中的應用
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