semi-log paper

This paper analyzes the nonlinear vibration characteristics and stability of a symmetrical rotor of single mass supported on multi-wedge bearings, and studies the cause and danger of the semi-frequency vibration, which may occur between the first critical speed and the stability threshold speed of the system.

本文分析了多油楔轴承支承的单质量对称转子系统的非线性振动和稳定特性，研究了临界转速与失稳转速之间半频振动产生原因及其危害性。

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In this paper, by using Heath-H ( ? ) del-mappings we give a characterizationof C-Semi-stratifiable spacs, C-Nagata spaces, KC-semi-stratifiable spacesand K-semi-stratifiable spaces.

本文用Heath -H? del 映象给出C - 半 分层空间, C-Nagata空间, KC - 半分层空间和K - 半分层空间的一种刻划.

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In this paper, Transfer lower semi-continuous correspondence is introduced, Theorem A is extend-ed to the case in which the lower semi-continuous real functions are replaced by Transfer lower semi-continu-ous correspondences, an inequality in ordered space is established.

本文引进了平移下半连续对应，将定理A由下半连续实值函数的情形推广到平移下半连续对应的情形，并在序空间中证明了一个序不等式。

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In this paper, we mainly study the equicontinuous and scattering properties of the continuous semi-flow on a compact metric space, and get the results as follows:( 1) the complexity function defined by spanning set is bounded if and only if the system is equicontinuous;

本文主要研究了紧致度量空间上连续半流的等度连续性及扩散性的特征。证明了如下结论：（1）用生成集定义的复杂性函数的有界性与其等度连续性是等价的；

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The result of establishing a semi-artificial grassland after shrubs were clear cutting is researched in this paper.

本文研究了乌鲁木齐南山种羊场春秋放牧场灌木砍伐后，建立半人工草地的效果。

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This paper presents the models and solutions for the scattering of SH wave by a semi-cylindrical hill adjoins a semi-cylindrical canyon or a semi-cylindrical alluvial valley.

对SH波作用下，半圆形凸起与半圆形凹陷或半圆形沉积层相连地形的散射问题进行了研究。

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Meanwhile, being differ from traditional energy release rate for cracked laminated composite plates, the numerical solution method based on the semi-analytical solution of Hamilton canonical equation system is proposed and discussed in this paper.

并在传统的能量释放率理论的基础上，本文提出了一种基于Hamilton正则方程半解析法的数值分析法。

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But, because this paper emphasizes the crime prevention lighting, therefore the most import illumination effective targe that uses for distinguish the face& semi-cylindrical illumination and the three-dimensional effect target.

但由于强调的是防侵犯照明，所以最主要的是用于区别人脸的有效评价指标&半柱面照度及立体感。

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Selecting representative structure of semi-rigid type base asphalt pavement, this paper finds that representative structure only fits for the state of unseriousness traffic through analyzing the stress of semi-rigid type base under different load.

选取半刚性基层沥青路面典型结构，对不同轴载下半刚性层底拉应力的分析发现，典型结构仅适合于超载不严重的交通状态。

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Based on NFEM, a modified RIKS algorithm is used in this paper to study the ultimate strength of a series of structures of the Semi-submersible platform. At the same time, the key techniques of the global ultimate strength of the semi-submersible platform also have been investigated.

本文基于非线性有限元法，采用修正的弧长法，对一系列平台结构进行极限强度研究，同时也对半潜式平台整体极限强度的关键技术进行了研究。

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