模群

In this article, author analyzes fastener-style steel pipe falsework based on the study result of grouped columns stability of lift slab structure.

借鉴升板建筑结构群柱稳定性研究成果，对扣件式钢管模架进行类比分析，提出模架稳定性计算中应注意的问题。

This paper studies the group invariant np, the number of G-orbits of Sylow intersections, which plays an important role in the research of block theory and indecomposable modules of finite groups.

在有限群的研究中，Sylow p-子群无疑起到了非常重要的作用；同样，Sylow p-子群交在有限群不可分解模和块论研究当中的作用也是不容忽视的。

In this paper,based on the discussion on isomorphisms,the Verma modules of Svir are studied,and the irreducibility of these modules are obtained.

对域 F 的加法子群 M以及α∈F，且 2α∈M ，苏育才及赵开明定义了 2类广义Virasoro超代数，它们分别被记成SVir和SVir，后者是前者的平凡扩张。基于对同构的讨论，研究了SVir的Verma模，并且得到了这些模的不可约性

The spread paths of common mode and differential mode noises in an SMPS under electrical fast transient/burst are studied and discussed. Hereby for single transient pulse, the vector fitting method is adopted combining rational function approximation according to the tested waveform to construct the a mathematical modeling of frequency, then a pole-residue representation is obtained by partial fraction expansion, and the last step are to draw a state space description and equivalent circuit.

在分析开关电源进行电快速瞬变脉冲群骚扰试验时共模和差模噪声的传播途径的基础上，对于单个脉冲，根据试验数据采用矢量匹配法结合有理函数逼近构造得到频域下的数学模型，通过部分分式展开得到零极点表达式，并最终得到相应的状态空间方程以及等效电路。

On the knowledge of vibration of polyatomic molecules, it has gonethrough the change of two stages: from normal mode model to local modemodel. In present, there mainly are two methods to deal with this problem:the traditional approach, namely ab initio, based on solving Schr〓dinger equa-tions of molecular vibration, and the algrbraic approach based on group theory.

在对多原子分子振动问题的认识方面，人们经历了从简正模模型到局域模模型转变的过程，而在处理方法上目前主要有两种：基于求解薛定谔方程的从头计算法和基于群论方法的代数方法。

Line array modules should be symmetric on axis so that the same module can be used for left, right and center clusters.

线阵列模组应该是轴向对称的，这样相同的模组才能分别应用於左、中、右扬声器群组。

Prof. Hsio-Fu Tuan,a member of Academia Sinica and eminent mathematician in China, has made outstanding contributions in the theory of modular representations of finite groups, algebraic Lie algebras and the study of p-groups,especially their "Anzanl" theorems.

从30年代末开始，他在有限P群、有限群模表示论和代数李代数方面做出了一系列重要贡献，得到了被冠以布饶尔－段－斯坦顿原则，布饶尔－段指标块分离原则，布饶尔－段定理等名称的突出成就，在中国开辟了代数群论等研究领域并形成了富有特色的研究群体。

According to the theory of wavelet transformation, the singularities of the ECG signal are corresponding to the series of maximum-minimum pairs. The algorithm detects the onsets of Q wave at the scale 3 detail and offsets of T wave at the scale 4 detail. So the duration of QT is calculated by onset of Q wave and offset of T wave.

根据小波变换的原理，心电中的奇异点在变换后将产生一个模极大值和模极小值对，在小波变换3尺度上检测出QRS波群的起点，在小波变换4尺度上检测出T波终点，从而确定QT间期。

The w-radicals of cyclic submodules of finitely generated free modules over unique factorization domains are discussed.

C中有限生成子群的一条离散准则。11。讨论了唯一分解整环中有限生成自由模的循环子模的w-根。

The phase tracking principle of source-contained homodyne detection is researched, the frame diagram for phase detection and experimental results are given.

介绍了一种新型的光纤电压传感器结构和工作原理，分析了系统中椭圆芯双模光纤的传输模式和模间相干光斑的变化，采用熔接的方式进行相干光接收来获得正交相位漂移信号，根据模间群折射率差与光程差的关系设计调整光纤的长度，依据石英晶体和空气的绝缘强度进行传感光纤匝数设计，讨论了含源零差探测法的相位跟踪原理，给出了相位检测框架图及实验结果，分析表明该设计方案能达到相位跟踪的目的。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。