geodesic flows

In this paper we construct manifolds of arbitrarily finite dimensions with integrable geodesic flows which have positive topological entropy.

在数学上传统的看法认为可积的动力系统相对来说是简单的，在本文中我们构造出了任意维数的具有正的拓扑熵的可积测地流的流形例子。

The focal points of geodesic submanifold in a complete Riemann manifold;

完备Riemann流形中的测地子流形的焦点

Based on analysis for surface testing flow for HT-HP gas well in Tarim oilfield,four parts are classified which are testing flow,unloading flow, killing well flow and environment protection flow on basis of surface flow function.

在分析塔里木油田高压高产气井地面测试流程的基础上,根据地面流程功能将其分为测试流程、排液流程、压井流程和环空保护流程四大部分。

Sufficient Conditions for Totally Geodesic Submanifolds in Space Forms

空间形式中全测地子流形的某些充分条件

Complete Totally Geodesic Kaehler Submanifolds in CP~n;

复射影空间的Kaehler全测地完备子流形

The Treating on Screen for Water-level in the Underwater Topography Survey

河流水下地形测量中水位的图上处理

The Forming, Characteristics of Flowing Path of under Ground Water and Exploration Technology;

地下径流通道的形成、特征及其探测技术研究

Study on Workflow and Accuracy of Topographic Survey Based on RTK

基于RTK的地形测量工作流程及精度探析

Minimal Submanifolds and Calibrations;

极小子流形和Calibration

The perimeter measure analysis of chaotic attractor morphology of inclined oil-water two phase flow patterns

倾斜油水两相流流型混沌吸引子形态周界测度分析

Kaehler Submanifolds and Totally Real Submanifolds in a Locally Symmetric Bochner-Kaehler Manifold;

局部对称Bochner-Kaehler流形中的Kaehler子流形和全实子流形

A Research on 1:50000 Regional Soil and Water Loss Topographic Factors Based on DEM;

基于DEM的1：50000区域尺度水土流失地形因子研究

2-Harmonic Submanifolds in a Conform Flat Riemannian Manifold

共形平坦黎曼流形的2-调和子流形

Study on the DC System Ground Fault Detection Based on Duffing Oscillator

Duffing振子在直流系统接地故障检测中的应用研究

Determination of arsenic speciation in environmental samples by flow injection hydride generation atomic absorption spectrometry

流动注射-氢化物发生-原子吸收光谱法测定环境样品中砷的形态

Spatio-temporal distribution of land use in relation to topography in a gully catchment of the Loess Plateau,China;

黄土丘陵小流域土地利用的时空分布及其与地形因子的关系

Categorization of karst landform on the basis of landform factor eigenvalue

基于地形因子特征值的喀斯特流域地貌类型判别

Semi-slant Submanifolds of Kaehler Product Manifolds;

Kaehler乘积流形中的半斜子流形

The 2- harmonic Submanifold in Quasi- constant Curvature Riemann Manifold

拟常曲率黎曼流形中的2-调和子流形

2-Harmonic Space-like Submanifolds in Pseudo-Riemann Manifold

伪Riemann流形中的2-调和类空子流形

The Research of Fractal Theory and Wavelet Transform in DC System Grounding Fault Detection Application;

分形和小波在直流系统接地故障检测中应用的研究