When grey systematic theory at present set up GM (1 , 1 ), it assumes that fit curve passes the first point of modeling data to confirm the integral constant, thus obtained to forecast formula.
目前灰色系统理论在建立GM(1,1)模型时通常采用假定拟合曲线通过建模数据第一点来确定积分常数,从而得到预测公式的方法。
When the integral constant is zero, the existence of smooth solitary wave solutions, uncountably infinite, many smooth periodic wave solutions, and kink and anti-kink wave solutions are proved.
在积分常数为零的条件下,证明了该方程存在光滑孤立波解、不可数无穷多光滑周期波解、扭结波和反扭结波解。
The ideal gas constant doesn't change, temperature doesn't change, and so v we just have minus nRT integral V1, V2, dV over V.
理想气体常数不变,温度也不变,因此,是负的nRT,积分从v1到v2,dv除以。
Since? Represents an indefinite integral, the ambiguity arises from constant of integration.
由于?时硎静欢?分,而积分常数引起了不确定性。
This paper derives the analytical formulas for elements of the matrices using constant and linear elements Therefore, the numerical integral can be avoided.
本文推导了使用常单元和线性单元时矩阵元素的解析表还式,从而避免了数值积分。
Note that any constant value may be added onto an indefinite integral without changing its derivative.
应注意的是,任何常数的值可以加入不定积分,而不改变它的导数。
The findings bring new lights in the fluctuating nature of momentum exchange coefficients and integral time and length scales. These turbulent properties should not be assumed constant.
这将为波动特性的动量交换系数及积分时间和长尺度提供新的信息,这些湍流特性不应被视为不变的。
Adsorption equilibrium constant has thermodynamic properties. The integral adsorption heat can be acquired from the adsorption equilibrium constants at different temperatures.
吸附平衡常数具有热力学性质,从不同温度的吸附平衡常数可以得到积分吸附热。
The path integral Monte Carlo method with a constant pressure ensemble is used to study the equation of state of solid hydrogen with translational and rotational degrees of freedom.
同时考虑分子的平动与转动自由度,用等温等压系综的路径积分蒙特卡罗方法研究了固体氢的状态方程。
The constant current generator characteristic of source is realized by proportional integral (PI) algorithm.
采用PI算法,实现电源恒流外特性控制。
In numerical calculation, the paper employs the collocation method to compute the coupled boundary integral equations with quadrangle constant elements.
数值计算采用配置法计算耦合的边界积分方程,使用四边形常单元。
An integral system is presented based on a microcomputer data acquisition, which can be used in on line checking of the time constant of thermocouples and measuring of dynamic temperature.
介绍一种能对热电偶进行动态校验并能测量动态温度的基于微机数据采集的一体化系统。
Research for intrinsic kinetics of ethylene oxidation on the YS-6 Silver Catalyst is done by using a fixed bed constant temperature integral reactor.
采用固定床恒温积分反应器,对YS—6型银催化剂进行乙烯氧化本征动力学研究。
Research for intrinsic kinetics of ethylene oxidation on the YS-6 Silver Catalyst is done by using a fixed bed constant temperature integral reactor.
采用固定床恒温积分反应器,对YS—6型银催化剂进行乙烯氧化本征动力学研究。
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