计算的

The numerical results also show that the Boussinesq approximation will bring large error for big wall temperature difference.

计算结果也表明，在所计算的问题中，如果采用Boussinesq假设将使计算结果误差比较大。

On the basis of the calculation results, the cogging torque, rotation induced voltage and static torque is calculated.

利用磁路元的计算方法，计算了电机的定位转矩、旋转感应电压和静转矩，本文采用的磁路元法弥补了传统的永磁磁路计算方法之不足，计算精度能够满足工程计算的要求。

Power flow calculation is the base of transient stability calculation and steady stability calculation of power system.

潮流计算是电力系统暂态稳定计算和静态稳定计算的基础。

When a shortest path between nodes is searched with this algorithm,a lot of repetitional computations are involved,so that the efficiency is low.

借助于矩阵算法来求最短路问题比较有效[1]，但当节点比较多时，计算的矩阵多，重复计算量大，降低了计算效率[2，3]。

In this paper, we consider the following computing method of tridiagonal matrix:(1) decoupling of linear equation;(2) determination of determinant and eigenvalue-eigenvector relation;(3) matrix inversion.

二引宫在数值计算中，有许多问题足后归结为三对角矩阵的计算涸此研究它们的计算方法是有意义的。此外，有些三对角阵的计算方法可以做为带状阵计算的借鉴。

The unitary transformation of quantum computing process not only guarantees the reversibility of computing, at the same time it naturally produce the parallelism of computing. All these will greatly lower computing complexity, make the unrealizable computing on classical computer realizable on quantum computer.

量子计算过程的幺正性不但保证了计算的可逆性，同时也自然的产生了计算的并行性，这将极大的降低计算复杂度，使原先在经典计算机上难以实现的运算在量子计算机成为可能。

Volume integral equation method has been used to calculate forward and inverse problems of 3D electromagnetic fields in homogeneous half-space.

0引言在电磁法勘探中，利用体积分方程计算三维地电磁场，由于数据点只分布在电阻率异常区域[1~3]而不是整个三维空间，因而与有限元法和有限差分法相比其计算量相对较小，是进行地电参数正反演计算的有效方法。

Firstly, the flood control regulation of TGP in Sep is computed based on the analyses on the inflow in Sep and Oct, and the risk and loss on the ahead impounding scheme is calculated and analyzed. Then, the storage level, power production and releasing discharge are achieved by computing on the electricity generation model through reservoir regulation graph. Thirdly, obstruction in channel is analyzed and the problem in the Chongqing reach is more serious in 175-145-155m scheme. The sediment aggrading process and distribution on different schemes is calculated by 1-D reservoir mathematical model. The navigation benefit is computed by navigation model. Based on above calculations, the impounding time is decided by the multi-purpose decision model, and evaluate by analytical hierarchy and balance layout model. A best impounding scheme is achieved to match the requirement of flood control electricity generation and navigation et al.

首先，在对宜昌站9、10月份来水分析的基础上，采用第2章建立的防洪优化调度子模型进行了三峡水库9月份防洪调度，分析了汛末提前不同天蓄水对防洪的影响，计算了汛末不同蓄水方案水库9月份的洪灾风险率和风险损失；接着，根据第2章建立的发电调度子模型进行了三峡水库发电调度计算，得出了不同蓄水方案下水库的坝前水位、发电量及下泄流量过程；然后，分析了175-145-155m方案下三峡水库的碍航问题，指出175-145-155m方案下重庆河段的碍航问题最为严重，通过进行不同蓄水方案下水库一维泥沙冲淤计算，得出了不同蓄水方案下库区淤积过程及分布，并通过航运调度子模型，计算了不同蓄水方案下水库的航运效益；最后，根据以上防洪、发电及航运调度计算的结果，运用第3章水沙多目标决策模型对水库的蓄水时间进行了多目标决策，并采用层次加权均衡规划模型对计算结果进行评价，得到一个能满足水库防洪、发电及航运各方面要求的最佳蓄水方案。

The finite element method is one of capable tools of structural analysis ,but its application in the field of the Overhead Catenary system is rare.

有限元法是结构分析计算的有力工具，但在悬挂结构计算中应用较少，本文将接触网按照索结构原理建立计算模型，用非线性有限元方法建立方程，解决了吊弦长度的计算问题。

Based on density functional theory and electronegativity equalization principle,applying an atom-bond electronegativity equalization σπ model,using a separated program,we calculated the charge distributions and dipole moments of guanine tautomers.

以密度泛函和电负性均衡原理为基础发展的原子-键电负性均衡方法的σπ模型。并结合自编程序，计算了鸟嘌呤五种异构体的电荷分布和偶极矩，计算结果表明，所计算出的电荷分布可以和从头算结果很好地关联。所计算的偶极矩与其它从头计算方法和力场方法相比总体趋势相同，进一步说明了ABEEMσπ模型的合理性

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。