微分

I’m specializing in differential and integral calculus.

我正专攻学和积学。

Microtone (09) Any interval smaller than a semitone.

音，音(09)小於半音任何音程。

The present paper using upper and lower solutions,proves an existence theorem of almostperiodic solutions for integrodifferential systems.

采用上下法，给出了一个积系统概周期存在一般性定理。

The abduction mapping method was introduced to deduce the transformation relation between the non-unbendable surface and the flat surface.

利用几何中诱导映射理论求得非可展曲面到平面域内变换关系。

Using electrode interface capacitance and surface coverage to investigate the formation kinetics of NS monolayer in hexahydrobenzene solvent.

通过自组装修饰金电极界面充电电容和膜覆盖率考察了NS在环己烷中自组装膜成膜动力学。

But diffeomorphism invariant theory leaves some problems to be explained, and the meanings of spacetime and physical theory are still in question.

但同胚不变理论存在需要释问题，空时及物理理论意义仍不明确。

Axisymmetric elasticity problem of cubic quasicrystal is reduced to a solution of a partial differential equation with higher-order by introducing displacement function.

本文通过引入位移函数使得立准晶轴对称弹性问题化为求一高阶偏程。

The large deflection problem of cantilever beams was studied by means of the biparametric perturbation method and the first order derivative substitution from pseudolinear analysis approach.

利用拟线性析法中一阶导数代换对基本程进行了简化处理,将基本积程转化为非线性代数程组,并结合双参数摄动研究了悬臂梁大挠度问题。

The condensability of liquid,the Westphal's effect and the continuous flow condition are not only comprehensively considered,but also the dynamic property of the ball valve being established.

结合现场试验,根据直线电机采油泵运动特性,综合考虑了液体可压缩性、魏氏效应、液体连续流动条件和球阀动力特性,建立了直线电机采油泵球阀运动规律精确运动程组。

A relatively direct method is expounded in this paper to prove the termwise differentiation of power series, and a simple method is expressed to calculate the Fourier coefficient.

用比较直接法证明幂级数和函数在收敛域内可以逐项公式；并得到了计算傅立叶系数一种简便法.

The formula of the curve tangent slope at some peculiar point in the orthograph on the stereoscopic surface intersecting line and the method of making tangent are given as well.

本文通过可展曲面不变量,导出可展面曲率线与曲率特征,并以锥面和切线曲面为例阐明这些特性几何意义。

We recorded the changes of the heart rate the blood pressure, and the left ventricle pressure, and observed Ginkgetin effect on reducing the myocardial infarct death rate of AMI - reperfused rabbits.

记录心率、血压、左心室内压、左心室内压变化。同时观察银杏黄酮对家兔急性心肌缺血／再灌注治疗后减轻心肌梗死情况。