特性

Based on the observation and analysis of social communication network, it is noticed that in social communication network, the transfer of message is optimized.

基于P2P网络的幂律分布和小世界特性，通过对复杂网络幂律特性产生机制的分析并借鉴人际传播中谣言传播机制，提出了一种结合择优连接机制和谣言传播中兴趣衰减机制的信息资源搜索方法。

In this paper,the absorption property of the left-handed material rectangular waveguide was studied by use of the perturbation method,and other novel properties were revealed.

采用微扰法研究了左手介质矩形波导的吸收特性。由于色散方程的限制，左手介质波导不能传输基模，它的吸收特性也与右手介质矩形波导明显不同。

The divider consists of a pulsed resistor voltage divider and a high voltage mica capacitor.

高储能密度的脉冲高压电容器的放电特性，对于脉冲功率源系统的电特性影响很大。

In order to analysis the performance of the compound four-bar parallel micromanipulator, its concentrated stress model is analyzed and dynamic characteristic is modeled by using of Lagrange equation.

通过分析单、双平行机构的优缺点，设计了一种低耦合位移和集中应力的复合四杆机构微操作器，建立了集中应力模型，并利用拉格朗日等式对其动态特性进行了建模研究；采用有限元方法对微操作器进行了静态和动态分析，并对其静、动态特性进行了试验测试。

It was shown that: Micropipette aspiration technology is an advanced artifice on the level of single cell to study the viscoelasticity、adhesion properties of HCCs to the surface coated with basement membrane and endothelial cells.

表明微管吸吮技术是一种较好的在单个细胞水平上研究肝癌细胞粘弹特性、肝癌细胞与Ⅳ型胶原和内皮细胞粘附力学特性的先进手段。

According to our special application, a simplified channel model of the power line under the oil well is brought, and the simulation is done for the channel characteristics.

本论文首先对低压电力线传输特性进行了讨论，并根据实际应用背景，提出油井中低压电力线信道的简化模型，并对其信道特性进行了仿真研究。

O protocol, focusing on the Physical Layer and Mac Layer Specifications of the protocol.Chapter II analyze the channel character of the power line communication channel, constructs a system model taking consideration of power line channels and the channel estimation algorithm based on pilots are investigated.

第二章分析了电力线载波通信信道特性，重点在于针对相应的信道特性对信道进行建模并，给出电力线信道下的信道估计方法和仿真结果。

The fluid film bearing-flexible rotor nonlinear system with squeeze film damper is modeled practically using the finite element method and the Hamilton principle.(3) The film forces produced by fluid film bearing and squeeze film damper are determined by finite element method at any moment, and the Jacobian matrix is also determined.(4) A method for analyzing the dynamics of a large system with local nonlinearities is presented. The stability and bifurcation of the equilibrium position and the unbalance responce of a fluid film bearing-flexible rotor system with squeeze film damper are investigated based on the assumption of an incompressible lubricant together with the long bearing approximation for fluid film bearing, short bearing approximation for squeeze film damper and the"π"film cavitation model.

主要研究内容包括下面几个方面：（1）对挤压油膜阻尼器-滑动轴承-转子非线性动力系统中的非线性现象进行了机理方面的研究；（2）应用有限元方法及Hamilton原理对复杂的挤压油膜阻尼器-滑动轴承-转子非线性动力系统进行了建模分析；（3）对滑动轴承及挤压油膜阻尼器中任一时刻的油膜力及相应的Ja-cobi矩阵的确定进行了分析；（4）对一类具有局部非线性的多自由度动力系统，提出了一种可以有效地分析其动力特性的方法；（5）采用实验与理论分析相结合的方法，对挤压油膜阻尼器-滑动轴承-转子非线性动力系统的动力特性进行了分析。

In this thesis, two main parts are included, the first focuses on the characteristics of high-resolution spectra of free radicals in magnetic field, the second concentrates on the measurement of electric dipole moment of free radicals by Zeeman and Stark effects simultaneously.

本论文以电磁场中自由基分子的光谱与结构特性研究为中心，主要内容包括两部分，一是针对磁场中自由基分子高分辨光谱的特性研究，另一部分则是同时利用电磁场中自由基分子的Zeeman和Stark效应，对自由基分子的电偶极矩进行直接测量研究。

The mechanical behaviour of anchorage foundations is then further studied by comparing that of a caisson without anchors. Meanwhile, the distribution of moment on anchor is analyzed; and the influence of anchors' embedded depth on the bearing capacity is studied.

在此基础上，通过无根键沉井基础和有根键沉井基础的受力特性对比，分析了根式基础的受力特性，对根键上的弯矩分布型式进行了研究，并探讨了根键沿深度位置分布对根式基础承载力的影响。

They go to town. Would you just ask them?

他们在城里你能问他们吗？

Ossein pretreated for a2 weeks period exhibited the maximum% yield incase of bone gelatin, while the yield from intact skin was higher than that realized incase of de-scaled skin.

预处理时间达2星期的骨胶原表现出最高的骨明胶百分产量，然而从未处理鱼皮中得到的产率比去鳞的鱼皮得到的要高。