微分

1.I’m specializing in differential and integral calculus.

我正专攻学和积学。

2.Microtone (09) Any interval smaller than a semitone.

音，音(09)小於半音的任何音程。

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

采用上下解方法，给出了一个积系统概周期解存在的一般性定。

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

利用几何中的诱导映求得非可展曲面到平面域内的变换关系。

5.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的界面充电电容和膜的覆盖率考察了NS在环己烷中自组装膜的成膜动力学。

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

但同胚不变存在需要解释的问题，空时及物的意义仍不明确。

7.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方准晶的轴对称弹性问题化为求解一高阶方程。

8.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.

利用拟线性析方法中的一阶导数代换对基本方程进行了简化处,将基本的积方程转化为非线性代数方程组,并结合双参数摄动研究了悬臂梁的大挠度问题。

9.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,综合考虑了液体的可压缩性、魏氏效应、液体连续流动条件和球阀的动力特性,建立了直线电机采油泵球阀运动规律的精确运动方程组。

10.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.

用比较直接的方法证明幂级数的和函数在收敛域内可以逐项的公式；并得到了计算傅立叶系数的一种简便方法.

11.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.

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

12.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的情况。