级数的和

Objective To explore the relationship between the illuminance and the observed order of reaction of photodegradation of nitrofurazone solution.

摘要目的研究呋喃西林水溶液光解反应的表观反应级数和光照度的关系。

From the analysis, there are regions of high isochromatic fringe order in the vicinity of the fibre-end and fibre-break, indicating the existence of high stress concentration zones.

相步弹性学分析表明纤维末端和纤维断裂处附近的等级条纹级数较高，存在较大的应力集中区域。

Using Fourier expansion, Laplace transforms and Hankel transforms with respect to the circumferential, time and radial coordinates, respectively, the partial differential equations are reduced to a set of ordinary differential equations. Transfer matrices for this situation are derived and explicitly solved.

利用Fourier级数和Laplace-Hankel变换，将该状态变量方程转换为两组一阶常微分方程组，提出了有限层饱和多孔介质空间非轴对称Biot固结问题的传递矩阵，得到饱和多孔介质空间非轴对称Biot固结问题在状态空间中的解。

And we show the form of the reduced density matrix master equation and its solution at first .Then we derive the solutions of Ohmic spectrum and Laurent series spectra master equations. Finally, we make analysis of the solutions of stochastic process and their coefficients from the cumulants, late time uncertainty function and linear entropy

首先展示了有关约化密度矩阵主方程的形式和解的形式；接着推导出欧姆谱和分洛朗级数谱这两个随机过程主方程的解；最后从累积量，延时不确定关系和线性熵等方面来研究随机过程主方程的解及其系数特点。

Finally the window's title is updated to show the current level number and the score the player has reached so far.

最后更新Windows的标题栏来显示当前的等级数和分数。

Lie's theory is used to extract the analytic solutions of nonlinearsystems in this thesis for the first time.The basic form of Lie group is ex-pounded through Lie series and Lie transformation.

本文首次将Lie群理论用于求解非线性系统的解析解，通过引用Lie级数和Lie变换，阐明了Lie群的基本形式。

Firstly, the Signal Noise Ratio characteristic of matched filter despread symbol and the distribution of coherent phase estimation error are derived. Secondly, the exact integration formula of BER for fading channel is presented, moreover, by using the Maclaurin series expansion of MPSK conditional Symbol Error Rate, the simplified BER approximations for BPSK and QPSK are derived over AWGN, Nakagami-m fading and Rayleigh fading channel.

首先推导了匹配滤波解扩符号的信噪比特性和相干相位估计误差的分布；然后给出了衰落信道中误比特率的精确积分式，并利用MPSK条件误符号率的麦克劳林级数形式，推导了AWGN，Nakagami-m衰落和瑞利衰落信道中BPSK，QPSK误比特率的简化逼近式。

How to perform data manipulation in order to extract information such as reaction order and rate constants from experimental kinetic data

怎样对所获得的动力学实验数据进行处理，以获得诸如反应级数和速率常数的资料

The validity of two non-linear analysis methods for low frequency oscillation in power systems, i.e. normal form method and modal series method, are analyzed and compared from many aspects in this dissertation.

本文从多方面分析比较了电力系统低频振荡的正规形法和模态级数法这两种非线性模式分析法的有效性。

Then the distributed sources models of one order approximation model, twoorders approximation model, spatial frequency model and low order JA seriesexpansion model are compared with respect to the model accuracy.

随后将分布源的一阶近似模型、二阶近似模型、空间频率模型和低阶JA级数展开模型的模型精度进行了比较。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。