water-yield capacity 中文意思是什麼
water-yield capacity
解釋
出水量-
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 -
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 -
But for the reservoir water - supply system, the reservoir whose oam cost is low and flow into the reservoir is more may be selected to be taken advantage of the storage capacity of this kind of increase to regulate some water yield more and in order to substituting the water supply of the other water supply projects whose oam cost is comparatively higher, so that to achieve the goal of the oam saved, that is to say, that can utilize this regulation capacity increased of the reservoir to optimize operation between the raw water systems so that to save the oam of the system. namely, it can obtain a certain economic benefits to utilize this kind of difference between water supply ability and reality water - using levels existing for a long time
從長春市供水系統長期規劃和目前供水現狀研究得出，在目前和今後的長時期內長春市供水系統的供水能力總是大於實際用水水平。這種長期存在的差別對松花江供水只意味著減少抽水量。但對水庫工程供水系統則可挑選運行費用低的、入庫水量較多的某個水庫，利用這種增加的調節庫容多調節出一些水量，以替代運行費用較高的供水工程的供水。 -
The variation curves of yield and grain protein content with soil water content ( or nitrogen ) were convex in high fertility ( or soil water content were 70 % and 80 % of field maximum moisture capacity ), and the soil water content ( or nitrogen levels ) before maximum protein content ( or maximum yield ) were the soil water content ( or nitrogen levels ) of coordinated variation of yield and grain protein content. [ conclusion ] coordinated variation of yield and grain protein content was possible in suitable condition
在高肥和土壤水分含量為田間最大持水量的70 %和80 %條件下，產量和蛋白質含量曲線均為凸型，蛋白質含量達到最大值之前對應的土壤水分含量為高肥條件下產量和蛋白質含量協同變化區間；產量達到最大值之前對應的施氮量為土壤水分含量為田間最大持水量的70 %和80 %條件下產量和蛋白質含量協同變化區間。
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