The graph of growth curve in its growth process is normally characterized by an oblate shape like "S".
增长曲线的增长过程中,其图形表现为像一条压扁的S形曲线,在油田勘探、开发、生产过程中,很多实际生产数据也呈现出S形的增长趋势。
Six growth curves used for prediction of oilfield development indexes expressed with trigonometric function are proposed,thus perfecting and abounding in the existed growth curve methods further.
提出了用三角函数表示的一类用于油田开发指标预测的增长曲线共6条,从而进一步完善和丰富了现有的增长曲线法。
A new growth curve to predict indices of oilfield development, N p=N Rmax t/(a+t)] b, has been proposed, and its formulae for calculating production (Q t) vs time (t), maximum production (Q tmax ), time according maximum production (t m) and Reserves Production Reserves(RPR) have been derived.
提出了一种预测油田开发指标的新型增长曲线 :Np =NRmax[t/(a +t) ]b。
The curve of growth is used as mathematical model to imitate the change law on mine gushed water quantity.
运用增长曲线数学模型模拟矿井涌水量的变化规律，解决了矿井涌水量的模型描述及矿井最大涌水量的预测，为矿井合理配置提供了科学的依据。
For a class of nonlinear dynamical system, when the nonlinear function f(x) satisfies linear growth condition, it was first proved that x falls into a compact set, then the adaptive regulator is proposed based on the approximation capability of neural networks.
对于一类连续时间的非线性动态系统x=f(x)+Bu+d,当系统中的非线性函数f(x)满足线性增长条件时,首先证明了f(x)中的x落入一紧集中,然后根据神经网络的逼近性质,给出了自适应调节器的设计方法。
For a class of nonlinear dynamical systems,when nonlinear function f(x) satisfies linear growth condtion.
对于一类连续时间的非线性动态系统 x=f(x) +Bu+d ,当系统中的非线性函数f(x)满足线性增长条件时 ,首先证明了f(x)中的x落入一紧集中 ,然后根据神经网络的逼近性质 ,给出了自适应调节器的设计方法 。
For a class of nonlinear continuous time systems =f(x)+Bu+d, when the nonlinear function f(x) is bounded or satisfies linear growth condition with unknown growth coefficient, we first prove that x falls into a compact set, then two adaptive regulators are proposed based on the approximation capability of radial basis function networks or fuzzy systems.
对于一类连续时间的非线性动态系统x=f(x)+Bu+d,当系统中的非线性函数f(x)满足有界或线性增长条件(具有未知的增长系数)时,首先证明了f(x)中的x落入一紧集中,然后根据径向基函数网络或模糊系统的逼近性质,给出了两种自适应调节器的设计方法。
The drawing of reliable curve
可靠性增长曲线的绘制
This diauxie curve is typical of inducible enzymes.
这种双峰曲线是诱导酶的典型增长曲线。
Application of Logistic growth curve to investment analysis;
Logistic增长曲线在投资分析中的应用
Linear Admissibility of Vector Function in Growth Curve Model
增长曲线模型中向量函数的线性可容许性
Admissibility of Linear Estimators in Growth Curve Model with Respect to a Restricted Parameter Set;
带约束的增长曲线模型中线性估计的可容许性
Admissibility of Nonhomogeneous Linear Estimators of Matrix Function under Matrix Loss Function in Growth Curve Model;
增长曲线模型非齐次线性估计的可容许性
Admissibility of Linear Estimators in Growth Curve Model with Restricted Conditions
带约束的增长曲线模型线性估计的可容许性
Admissibility for Linear Estimators of the Regression Coefficients in the Growth Curve Model
增长曲线模型回归系数线性估计的可容许性
Studies on Fitting Method For Increasing Curve of Egg-Mass of Asian Corn Borer
亚洲玉米螟产卵量增长曲线拟合方法之探讨
The Estimates of Regression Coefficient Matrix in the Growth Curve Model with Random Effects;
含随机效应的增长曲线模型回归参数阵的估计
The Minimum Norm Estimation of Covariance Matrix in the Extended Growth Curve Model;
推广增长曲线模型中协差阵的最小模估计
The Relative Efficiency of Least Square Estimator in the Extension of the Growth Curve Model;
推广增长曲线模型中最小二乘估计的相对效率
Inefficiency of the Least Squares Estimation in Singular Growth Curve Model;
奇异增长曲线模型中最小二乘估计的有效性
Research on Logistic Increasing Model-Based Highway Development;
基于增长曲线模型的高速公路发展研究
BLUE of Regression Coefficient Matrices in the Growth Curve Model with Possibly Singular Covariance;
奇异增长曲线模型中回归系数阵的最优估计
Estimation of unknown regression coefficient matrices in the extension of the Growth Curve Model with covariate variables;
有协变量的推广增长曲线模型回归参数的估计
The Reasearch on the Measurement of R&D Producitivity, Based on the Logistic Model;
基于增长曲线模型的R&D生产率测度研究
Admissibility for Linear Estimators of Parameter on Growth Curve Model With Respect to Equality Constraint;
线性约束下增长曲线模型中参数的线性估计的可容许性