This paper gives an exact solution for free vibration of a physically nonuniform straight bar with varying section by the use of a class of integrable linear ordinary differential equation.
本文应用可积的一类线性微分方程求出了非均质变截面弹性直杆振动问题的一个精确解，我们应用这一精确解验证了渐近解的精确度。
The tension differential equation with distributed parameters which can accurately describe the tension at varied section was inferred.
为此，本文作者推导出了能精确描述变截面情况的分布参数张力微分方程。
Section I describes the numerical solution of first order matrix linear differential equation using the cubic matrix spline function and quartic matrix spline function.
第一节介绍了三次矩阵样条函数方法和四次矩阵样条函数方法逼近一阶矩阵线性微分方程的数值解。
Section II describes the numerical solution of first-order matrix differential non-linear equation using the cubic matrix spline function.
第二节介绍用三次矩阵样条函数方法逼近一阶矩阵非线性微分方程的数值解。
The variety, production cross section, energy spectrum and double differential cross section are calculated for the secondary particles produced by reactions of high energy protons in silicon.
计算得到了不同能量的高能质子与硅反应产生的次级粒子种类、截面、能谱和双微分截面。
The ratio of co-polarization differential scattering section to cross-polarization differential scattering section increases versus the increase of rain rate.
共极化微分散射截面与交叉极化微分散射截面的比值随降雨率的增大而增大。
Taking into account the rotating effect of the drillstring, this paper presents a bifurcating differential equation for the rotating slender drillstring being in tension in vertical well section.
考虑到垂直井中钻柱受拉段在旋转时的转动效应，建立了顶部悬挂、受分布浮重作用的旋转细长钻柱的分岔微分方程。
Every storey with a same section is taken as a calculation element. The element matrix, section matrix and transfer matrix of every element are derived by the differential equations.
根据变截面框筒结构的截面沿高度为阶形变化的特点，以每个相同截面的层作为一个计算单元，每个单元由微分方程组导出其单元矩阵、截面矩阵和传递矩阵。
We also acquired the relation curves between differential cross section and the outgoing electron Angle.
我们还获得了微分截面与出射电子角度的关系曲线。
Welded sections will also have locked-in stress owing to a combination of differential heating and cooling cycles as well as to changes in cross section.
焊接面将也有锁紧力，这是因为不同的加热和冷却的循环以及结合面的变形。
In the framework of the distorted wave approximation, we discuss the differential cross section and polarization of antiproton-nucleus inelastic scatterings at intermediate energies.
在扭曲波冲量近似下，讨论中能区反质子与原子核非弹性散射的微分截面和极化度。
In this paper, on the base of Ullmanski's hypothesis, the unified beam theory of thin walled open and closed cross-section and the governing differential equations are established.
本文将开口和闭口薄壁理论统一在乌曼斯基假设之下，建立开口和闭口薄壁杆件统一的基本微分方程序。
It is show that the influence of the unclear short range correlation on differential cross section is quite important.
结果表明，短程关联对微分截面的影响在较大角度是重要的。
It is shown that a phase variation of the nucleon-nucleon elastic scattering amplitude leads to a large increase in the calculated differential cross-section and a substantial improvement.
计算结果表明核子-核子弹性散射的位相变化使理论微分截面增大，改进了理论值与实验数据的符合。
The differential cross section of inelastic scattering has been calculated for a simple case.
计算了在简单情况下的非弹性散射的微分截面。
Differential absorption cross section are obtained.
得到了紫外波段的差分吸收截面。
In this paper, a cross-section function of brick chimney has been assumed based on traditional hypothesis and a variable coefficient free-vibrating differential equation has been derived.
本文假设了接近砖烟囱实际截面面积的函数，推出了一个变系数的自由振动微分方程。
The importance of the virtual excitation in calculating the differential cross section of the elastic is discussed.
发现在弹性散射中虚激发的贡献是重要的。
Applying for MARC software, three-dimensional numerical model of differential settlement at bridge-subgrade transition section was built.
应用MARC软件，建立路桥过渡段差异沉降的三维计算模型。
The total and differential settlements of representative sites were computed with layer wise summation method in conjunction with typical section of Shanghai-Nanjing expressway.
用无奇点边界元法和土力学中的分层总和法联合处理弹性地基上的薄板，求解板上选点的挠度，从而求得板的内力。
The differential equations of equilibrium of the constrained rod are established taking Euler angles as variables to describe the attitude of the cross section.
以描述截面姿态的欧拉角为变量，建立受约束弹性杆的平衡方程。
Distinct structural styles occur in different segments. The analysis of balanced cross section may estimate differential amounts and rates of shortening in different segments.
不同的段具有迥然不同的构造变形样式，平衡剖面分析可以估算出不同段落缩短量和缩短率的明显差异。
Distinct structural styles occur in different segments. The analysis of balanced cross section may estimate differential amounts and rates of shortening in different segments.
不同的段具有迥然不同的构造变形样式，平衡剖面分析可以估算出不同段落缩短量和缩短率的明显差异。
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