yield equation 中文意思是什麼
yield equation
解釋
產量方程式-
New yield equation based on geometric midline of error triangles between tresca and twin shear stress yield loci
和雙剪應力兩軌跡間誤差三角形中線確定的屈服方程 -
Alternatively, one may utilize the wave equation and appropriate boundary conditions to yield a specific solution.
另外，我們也可以利用波動方程和適當的邊界條件以得出一個特解。 -
Using these data, we estimated cotton planting farmers " pesticides application equation and damage control production function, calculated the impact of bt cotton on pesticides use and cotton yield, and compared the poisonging probability due to pesticides application between bt cotton and non - bt cotton planting farmers. using bt cotton adoption area and the above results, this paper calculates the impacts of bt cotton on pesticides application, cotton production and poison cases all over china since the beginning of its adoption in china in 1997. the results demonstrate that the adoption of bt cotton reduced pesticides use approximatly 35kg per ha ; this is equivalent to 875 yuan of cost reduction
利用這些數據我們估計了種植棉花（包括轉基因抗蟲棉和非抗蟲棉）農產農藥施用方程和棉花損失控制生產函數（ damagecontrolproductionfunction ） ，估計了抗蟲棉對棉花農藥使用和棉花產量的影響，同時比較了種植bt棉與非bt棉農產在使用農藥過程中中毒概率的差異，在此基礎上，利用抗蟲棉在全國各地的推廣面積以及以上的分析結果，測算了1997年以來抗蟲棉的推廣對全國棉花農藥使用量、棉花產量以及棉農施農藥中毒事件的影響，並對其經濟影響的不同受益者作了分析分解。 -
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 -
A variety of mathematical models based on continuous equation and the momentum equation and many solutions partial differential equation value computational method in the open canal turbulent flow solution, still could widely apply and yield the satisfactory result
但是，非穩態的navier - stokes方程對于明渠水流的瞬時運動還是適用的，以連續方程和動量方程為基礎，建立的各種數學模型和許多求解偏微分方程的數值計算方法在明渠紊流的求解中仍能廣泛應用。 -
In the case of dipole model, it gets the precision distribution of the electric field of the inside and outside of the particle by solving the laplace equation. the influences of the separation distance of the particles on the shear yield stress are investigated. and the result of the laplace is also contrasted with the result of the finite element by ansys software
在極化的狀況下，利用求解laplace方程，求解出多粒子下粒子內部的和周圍的局部電場的表達式，求解出粒子表面的極化電荷、粒子內部的和外部的局部電場，考慮了粒子間距對局部電場的影響，還分析了，在不同外加電場下對局部電場的影響，並且與ansys有限元的數值結果模擬進行了對比。 -
11 can be a subsurface runoff parameterization with water storage and recharge based on the boussinesq - storage equation 625 written as 11 ee sineee sine. nnnnktaxbtnnuxktbtnsknnktbtaxnnuxktbtnsknnhxtwfnxhkbwfnxhkb letting t tend to infinity, one can get the steady aquifer function hs 13 : 1 sinee. uxaxnsksnnnfnhxxhkb multiplying through by the specific yield, f, and in - tegrating with respect to x between 0 and l gives the drainable storage associated with this steady - state free surface
下面考慮整個潛水面的一種穩定狀態，也就是是對于任意一個恆定的入滲，當時間時潛水面將達到穩定的狀態不再發生變化，這個時候顯然有， 0 ， . sntnt t ， ssqnl也就是入滲補充量等於地下徑流量 -
In chapter3, information is divided into two basic types, the marginal equation of bond price and short - term interest variations is established, thus the security price variations and the price equilibrium of other assets ( risk security non - risk security are included ) are analyzed by the implement of portfolio theory. finally the bond value equation which takes equilibrium return as its yield parameter is established through the theory of comparative return. in chapter 4, the intra - information and the transferable system of price is emphasized and the market - maker model and expected model under non - perfect information market conditions are established, and the disaccord of the influence of extra - information and intra - information on the security price is discussed
第三章將債券的價格均衡劃分為兩大基本類型，建立了債券與短期利率變動的邊際方程，運用組合原理分析債券價格變動與其它資產（包括風險證券和無風險證券）的價格均衡關系，通過比較收益原理建立了債券以市場均衡收益為折現參數的價值方程，並通過實證檢驗了該模型的合理性；第四章，分析了內部信息與價格的傳導原理，建立了非完全信息市場條件下價格傳遞信息的做市商模型和預期模型，並討論外部信息與內部信息對股票價格影響的非一致性。 -
And no3 - - n can be leached to soil layer below die wetting depth. the convection - dispersion equation with the retardation coefficient yield by method has been adopted to model nh4 - - n transport in saturated soil, simulation results are compared well with experimental results
基於批平衡得到nh _ 4 ~ + ? n的吸附延遲系數，利用對流一彌散方程模擬nh _ 4 ~ + ? n在飽和土壤中的遷移過程，模擬結果與試驗結果吻合較好。 -
This paper is to develop a model on synthesis reaction of methanol using material and thermodynamics balance, and to utilize matlab to solve multielement nonlinear equation set on proposed model, so calculate balance composition of reactions, parameters of various materials, various process criteria such as methanol output and consumption according to given operation conditions, thereby can quantitatively analyze the effect of various operation conditions on process criteria, so that direct the actual chemical operation, thus assist to determine the optimal operating conditions of synthesis, consequently could forecast various criteria such as yield and consumption according to given conditions of feeds
摘要通過物料平衡與勢力學平衡對甲醇合成反應過程進行建模，並採用matlab工具對所建模型進行多元非線性方程組的求解，以根據給定操作條件來計算反應平衡組成、各股物料參數、各主要工藝指標如甲醇?量、消耗等，並繼而定量分析各種操作條件對工藝指標的影響，以便指導實際化工生?操作，從而幫助確定最佳的合成操作工況條件，並可以根據給定的原料條件等參數預測合成?量與消耗等指標。 -
Applying the distance approximation to the expression already obtained for the required phase difference between two radiating elements yield equation ( 7 - 1 )
在已經得到的兩個輻射單元所需相位差的場方程（ 7 - 1 ）中應用距離近似。 -
The demarcation point of, which is the parameter in erf ' s yield stress equation, is 2. 0. for, the dynamic characteristics of the clutch are remarkably different from those for. thirdly, the linear stability of plane shearing flow with non zero pressure gradient is studied
論文第三部分對電流變液非零壓力梯度平板剪切流動的穩定性進行了分析，提出流場對屈服應力達到飽和的概念；並得出平板壁面剪切運動以及電流變液屈服應力的提高，都將使流動穩定性增強的結論。 -
A seismic shear capacity equation for ductility and non - ductility columns is proposed to amount for the reduced shear contribution of concrete as to the increasing of displacement ductility levels. 6. the behavior of columns * transverse displacement within yield hinge regions is also discussed based on truss - arch model. 7. the seismic shear capacity design equation of columns with various ductility levels is proposed in statistic method on the basis of test data collected from japan and china to simplify the equation resulted from truss - arch model
對國內外試驗資料進行了統計分析，詳細分析了剪跨比、軸壓比及配箍特徵值對框架柱構件抗剪承載力的影響，得到了反復荷載下框架柱塑性鉸區域極限承載力計算的統計公式；在理論推導公式及統計公式的基礎上，參考國內外規范，首次管品武；鋼筋混凝土框架柱塑性鉸區抗剪承載力試驗研究及機理分析提出了鋼筋混凝土框架柱塑性鉸區域剪切承載力抗震延性設計實用公式。 -
The regression equation between base moisture of soil and yield is set up, in which the soil base moisture of previous year is used as a limited factor on the yield of later year, which can forecast a upper limit of the yield with 95 % statistical significance, so the opportunity which appears when the yield determined by user disagrees to the reality, and the degree that fertilizer recommend result tallies reality is improved. the databank of model between yield under fertilizer effect on loess plateau are established, so the system estimate ability is enhanced
系統採用前一年的底墑作為后一年產量的限制因子，建立了底墑與產量的回歸方程，利用統計規律保證利用此方程對產量上限的預測達到95的置信度，以此減少用戶定產時出現不符合事實的機會，提高了施肥推薦與實際生產符合的程度；建立了黃土高原區產量效應模型數據庫，增強了系統的預測能力；採用了兩種肥料分配方案，便於不同的生產者進行選擇。 -
The poly - fit equation takes into account the effects of the eccentricity ratio, yield ratio of material and the nominal crack length and gives satisfactory accuracy comparing to the experiment results
該回歸公式包含了多個參數對板的極限拉伸強度的影響，與實驗結果吻合較好。
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