谱

The framework of the spectral theory for infinite dimensional Hamiltonian operators is construted in this project, and the relationship between semigroups of the operators and the spectral properties of the operators is found out, which is the basis of extending the separation of the variables method.

中文摘要：本项目建立了无穷维Hamilton算子的谱理论框架，揭示了其谱分布情况以及算子半群的联系，为拓宽分离变量法的应用范围提供了理论基础。

Spatial spectrum estimation algorithm source code, spatial spectrum estimation array signal processing is an important element.

详细说明：空间谱估计算法源代码，空间谱估计是阵列信号处理的一个重要内容。

The purified proteins were separated with 17 cm IPG strips and stained with silver nitrogen, and six protein spots were chosen for mass spectrometry analyses.

随机挖取凝胶上6个蛋白点进行质谱分析，均能获得理想的质谱峰图。

In this paper, we mainly study the adjacency spectrum of simple connected undirected graphs. Some results will be given in this thesis.

本文中分两个部分集中反映了作者三年来围绕一般简单连通无向图的邻接谱的界所取得的主要结果，包括两类特殊图类的邻接谱，具体结果如下： 1。

The frequency shifts and relative intensity configuration of multidegree stokes spectrum were measured and a simple analysis of spectrum characteristics using the concepts of effective scattering cross-section and differences of vibrational e...

测试了两类光纤的多级Stokes谱的频移分布与相对强度分布，并从等效散射截面的相对大小和赈动能级差的相对大小对话的特征进行了初步的分析。目的是在实验研究的基础上探索刊用这两类常用光纤构成光纤拉曼激光器以及利用光纤拉曼散射谱的可能性。

In this paper Laplace transforms is utilized in viscoelastic theory of polymers making the relations between various viscoelastic functions like relaxation modulus , creep compliance and functiqns representing dynamic behavior simple and clear, relaxation spectrum and retardation spectrum are defined in terms of Laplace transform to correlate all viscoelastic functions.

将拉普拉斯变换应用于聚合物粘弹性理论，使粘弹性材料的特性函数如松弛模量、蠕变柔量以及表示动态力学性能的函数之间的关系简单明了，并用拉氏变换定义松弛谱和推迟谱，将各粘弹函数相互联系起来。

A general matrix perturbation method for complex modes using singular value decomposition;2. The modal character,the error of the substituting by real modes and the best way to extract real modes from complex modes are discussed.

建立运动方程，用第一振型将主体结构展开，针对非经典阻尼和非对称结构以及脉动风谱为非有理分式风谱的情况，运用复模态理论将所得方程进行解耦，获得了以第一振型表示的结构随机风振响应的解析解。

In the solution of the Difichlet boundary problem ofLaplace equations, we provide an effective method for determining the spectral radiusand the best slack variable of block basic iterative methods. At the same time, wepresent the spectral radius and the best slack variable of basic iterative methods from thenine-point difference scheme.

在解决Laplace方程Dirichlet边值问题上，文章为确定块基本迭代方法的谱半径和SOR方法最优松弛因子提供了一个有效的方法，并推导了九点差分格式下的块基本迭代方法的谱半径和SOR方法最优松弛因子。

A method for the determination of polycyclic aromatic hydrocarbons in smoked meat by gas chromatography/mass spectrometry has been established.

建立了熏肉中多环芳烃的气相色谱/质谱测定方法。

Methods HPLC method was used to determine riboflavin in riboflavin sodium phosphate with NH2 column.

高效液相色谱法，采用NH2色谱柱，以乙腈？？？？

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐