针对这种模拟求解过程中物质平衡误差偏大问题,提出了迭代解的物质平衡校正方法。
A new iteratively solving method of dual porosity media model material balance correction method of iteration solutions is put forward.
在数值计算过程中,采用了质量守恒和特殊的迭代求解格式以加快计算收敛速度和减少水量平衡误差。
In the process of computation a method based on mass conservation and a special iteration procedure are applied to accelerate the convergence speed and minimize the error of water balance.
结果表明该方法能有效抑制测量误差的影响,提高识别与平衡精度。
The experiment results show that this method can decrease the influence of measurement error on identifying precision and improve balance precision.
电桥测量中,为了减少测量误差常常采用平衡电桥。
To decrease the measuring error, the balance bridge is often used in the bridge measurement.
为了尽可能减小各种随机误差对平衡精度的影响,还提出了递推改进算法。
In order to minimize the influence of all kinds of random errors on balance precision, an improved recursive algorithm was also proposed.
要了解国际收支不平衡到底有没有扩大,你得先知道误差到底误在哪里。
To understand whether global imbalances really are widening or not, you need to know where the errors lie.
本文亦简要分析了旋转机械平衡机床的基本原理以及在平衡过程中可能导致较大误差的因素。
Finally, the fundamental principles of the conventional balancing machines are given and causes of grave error which may be produced during balancing process are analysed.
使具有不确定扰动的陈氏混沌同步误差系统渐近镇定到平衡点,并且获得其充分条件。
Uncertain Chen's chaotic synchronization error system is asymptotically stabilized to the equilibrium point, and then sufficient conditions for robust synchronization are obtained.
采用物质平衡方程计算时,常常由于PVT参数的误差而影响最终计算结果的精度。
When calculating with material balance equation, the accuracy of the calculation result is often affected by the error of PVT parameters.
该文研究了某平衡抛射武器发射药厚度对其初速或然误差、最大膛压等内弹道性能的影响。
The paper studies the influence of propellant thickness on the interior ballistic performance of an equilibrium launcher, such as, probable error of muzzle velocity, maximum pressure.
分析了平衡时间、测量误差和探测深度的关系。
The balance time and measurement errors in relation to the depth of detection are analysed.
二次计量误差是造成工厂用电计量平衡困难的原因之一。
The secondary measurement error is one of the causes which make difficult for the balance of plant power consumption measurement.
并以国内使用较多的4090型机械动态轨道衡为例,通过平衡时间的计算,分析其动态称量误差。
The 4090 type dynamic mechanical track scale, mostly used at home, is taken as an example to analyze the error produced in its weighing in motion through calculation of balancing time.
误差分析表明,偏置电容法在三相电压不平衡度较小时可以满足测量精度的要求。
Error analysis result shows that biased capacitor method can meet the need of measurement accuracy while the unbalance of three phase voltages is relatively small.
并分析了转轴表面误差对平衡精度的影响,得出了解决方法。
Meanwhile, the influence of shaft surface error on the precision of rotor dynamic balancing is analyzed, and a method is proposed to overcome it.
通过对常规收率公式的误差分析,提出了采用CH4平衡法计算轻烃收率的新方法。
Based on the error analysis of general yield formula, a new method that calculate the yield of light hydrocarbon with CH4 balance method is presented in this paper.
分析了平衡流形展开模型的误差,给出了调度变量的确定方法。
The error of expansion model and the method of getting scheduling variable were proposed.
通过对密立根油滴实验参数的误差分析,找出适当的平衡电压和下降一段距离所需要的时间。
By analyzing the error of parameters of Millikan oil drops experiment, the proper voltage and the proper time required for its falling through a specified distance are found.
分析了振子的阻尼运动,得到了临界阻尼的附加条件,讨论了在一定的实验误差要求范围内,欠阻尼振子比临界阻尼振子更快地回到平衡位置的问题。
The paper also discusses the fact when that certain precision requirements are met, the underdamping vibrator returns more quickly to the balance position than the critical damping vibrator.
结合上述角误差提取方法,各通道间的幅相不平衡得到有效校正,因此提高角误差测量精度。
Combined with the Angle error extraction method mentioned above, the amplitude-phase imbalance is calibrated effectively. Thus, the measuring precision of Angle error is higher.
当然,高精度的设备就会消除设备工作时的工件精度平衡,但不会消除其它工件误差(例如固定误差)。
It is certainly that high precision equipments will eliminate the balance of work piece precision during the equipment operation, but will not eliminate other work piece errors (such as fixed error).
通过对迈步腿质心进行抛物线运动规划,使两足机器人在动态步行时达到侧向自平衡,从而消除了前向和侧向模型的偶合误差;
In the parametric design, motion of the swing leg of biped robot is planned into a parabola to keep self balance in lateral plane and avoid coupling error;
平衡移动法在使用中时常以反应物的分析浓度代替平衡浓度,以致引起不容忽视的误差。
The replacement of equilibrium concentration by analytical concentration in determination of stability constants of complexes with equilibrium-shift method will lead great error.
结合辐射和土壤热通量观测资料揭示了两站的地面热量平衡状况,用地面热量平衡方程对以上结果进行了闭合误差检验。
The surface heat balance is discussed by involving the observational data of radiation and soil heat transfer, and the closed test of the surface heat balance equation is made.
热电阻温度测量中,热电阻的非线性、不平衡电桥的非线性及引线电阻都会给测量带来误差。
In temperature measurement of the thermal resistor, the nonlinearity of thermal resistor, lead resistor and unbalanced bridge may produce errors.
针对常规热平衡法煤粉浓度测量存在动态误差的问题,提出对一次测量量进行变系数动态补偿的软测量方法。
Aiming at dynamic error during measuring pulverized-coal concentration by general heat balance method, a dynamic compensation soft measurement method is introduced.
讨论了在框架角速度和输出力矩误差之间建立平衡的方法,并设计了一种新的操纵律。
The method of establishing a balance between the gimbal rate and the output-torque error is discussed, and a new steering law is designed.
并提供了一种和差支路幅相不平衡数字校正和角误差归一化处理的方法。
A method of digital calibration in the amplitude and phase imbalances of sum and difference channels, and of angle error normalization processing is provided.
但由于极限平衡理论存在很多不合理的假定,使计算结果存在较大误差。
There have some no-rational hypothetic for this mechanism, so the computational mistake is larger than the observation.
深入地研究了电流平衡式无源及有源积分时分割乘法器的数学模型及误差。
The error and model of current balance passive and active TDM were investigated systematically.
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