微分的

Some sufficient conditions for existence and uniqueness of periodic solution to Duffing equation are obtained using trigonometrical series and contraction mapping.

利用三角级数理论及压缩映射原理，研究时滞Duffing型微分方程，给出此类方程存在唯一周期解的几个充分条件。

The theory of binaries, in terms of differential equations, is treated for the first time in this book.

二进制的理论，就微分方程而言，第一次在这本书里被对待。

The subject of partial differential equations, which had its beginnings in the eighteenth century, burgeoned in the nineteenth

诞生于十八世纪的偏微分方程这门学科，在十九世纪发展起来了。

This has offered theoretically approximation and finite element methods so as to complement the theory of fractal interpolation cambers.

本文最后不但列举了现代数学分析方法在阳极焙烧及其热工过程中的具体应用途径，而且在求解热工微分方程近似解时提供了计算技巧。

On the basis of computational heat transfer and computational combustion,author disperses the control equations.

以目前在计算传热学、计算燃烧学中普遍使用的控制容积法为基础，对偏微分方程进行了离散化处理。

Based on the differential geometry, mechanical system dynamics, theoretical mechanics, strength of materials and elasticity theory, we made the study for the enwinding system in the roller of the ZJ70D rig. Finally, we solved the equations in the computers.

本文依据微分几何、机械系统动力学、理论力学、材料力学及弹性力学等基础理论，对钢丝绳在LEBUS绳槽滚筒缠绕行为进行了几何、动力学及静力学等方面的研究，并基于ZJ70D钻机结构参数进行求解。

In the second part we investigate the existence of inertial and approximateinertial manifolds for some classes of PDEs.

第二部分研究了几类偏微分方程惯性流形和近似惯性流形的存在性。

The potential molecules have been pared down to about 63 and fall in to four classes.

潜在的微分子类型被缩减至63种，分成了4大类。

Partial Differential Equations and Complex Analysis explores the background and plumbs the depths of this symbiosis.

偏微分方程和复分析探索这种共生的背景和铅锤最深处。

The electrochemical behavior of bumetanide was studied by differential pulse voltammetry method.The differential pules voltammograms exhibited an oxidation current peak of bumetanide at the potential of +0.896 Vvs.

用微分脉冲伏安法研究了利尿剂类药物布美他尼在玻碳电极上的电化学行为。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。