The nature of crowds based on the wave theory is studied.
针对公共场所拥挤人群的安全管理需求,根据波动理论,特别是激波理论,来研究拥挤人群的基本特性,如密度、速度与激波的关系等。
the rock-crushing process of dynamic impacting load is simplified, By means of elastic mechanics and wave theory, the axial force and shearing force of ro.
以弹性力学、波动理论和冲击动力学为基础, 采用室内试验和力学理论相结合的研究方法,建立了旋冲钻井破岩力学模型。
The specific relations between the design of a hydraulic jar and its power transmitting are analyzed with the wave theory, and the lab test results coincide with the analysis to great extent.
运用波动理论分析了液动冲击器结构对能量传递的影响,室内模拟试验结果与波动理论分析计算结果有很高的吻合度。
One-dimension stress wave theory and several soil fatigue methods are introduced, then numeric analysis for the properties of pile driving in one oil field of Bohai Sea is made.
介绍了一维波动理论和土体疲劳的各种计算方法,然后对渤海某海上桩基的打桩工程的沉桩性状进行数值模拟分析,通过对不同的桩侧土体疲劳计算模式的结果做比较分析,以及与实测结果比较,表明:不同方法对沉桩性状的影响力不同,该工程中,非线性土体疲劳计算方法能较好地对砂岩层中的沉桩进行模拟。
A program has been developed based on the one-dimension stress wave theory coupled with several soil fatigue models.
结合一维应力波动理论,桩—土相互作用模型和土体疲劳的不同计算方法,编制计算软件,对渤海某油田采油平台的桩基工程进行打桩分析,预测沉桩过程所需的锤击数、桩周土静阻力以及桩的极限承载力。
Based on kinematic wave theory, the propagation equation of kinematic wave concerned about oil/water two phase flow in vertical upward pipes has been established and the characteristic curves of the kinematic wave propagation velocity for oil/water two phase flow without centre body have been achieved.
基于运动波理论本文建立了垂直上升管中油水两相流运动波传播方程,计算得到了管内无仪器插入体情况下油水两相流运动波传播速度特性曲线,根据曲线特征确定了油水两相流过渡流型存在于持水率大于0。
Based on consideration of the actual terrain and soil physical properties,we developed a numerical calculation model by using kinematic wave theory and the hypothetical channel network for simulating the process of "Rainfall-Runoff" of a distributed-type basin.
本研究以黄土高原北部的六道沟流域为流域模型,在确定试验流域地形和土壤物理性质的基础上,利用运动波理论和拟河道网开发分布型流域的"降雨-径流"过程的数值计算方法,对观测流量数值模拟结果的分析表明,该计算方法适用于北部黄土高原的实际,研究结论为该区域的地表水资源的推求提供了一种有效的数值计算方法。
In this paper,a numerical model of runoff generation on sloping land was established with the combination of kinematic wave theory and the Green-Ampt infiltration model,and the artificial rainfall runoff processes were simulated by the model under the conditions of different cultivation treatments and initial soil moistures.
文章将运动波理论和Green-Ampt入渗模型相结合,建立了黑龙江省西部坡耕地降雨入渗产流的数学模型,并运用模型分别在不同耕作措施及不同土壤前期含水量条件下,对人工降雨径流过程进行了模拟计算。
wave theoretical tomographic method
波动理论层析成象法
Wave theory fails to fit the facts.
波动理论与事实完全不符。
Common Focus Point (CFP) Migration and AVP Analysis Based on the Wave Theory;
基于波动理论的CFP偏移与CFP-AVP分析
A Study and Assessment of Geometry Based on Wave Field Theory;
基于波动理论的观测系统评价与研究
Economic Fluctuation Theory:The Complementary of Keynes and Hayek
经济波动理论:哈耶克与凯恩斯的互补
Detecting Method of Tube Defect Based on the Wave Motion Theory
基于波动理论的管结构损伤检测方法
Stock price forecasting model based on wave principle and clustering energy values of wavelet pocket;
基于波浪理论和聚类小波包的股价波动预测
Fast Wave Current Drive in Tokamaks;
全波法研究快波电流驱动理论和数值方法确定
Theoretical Study and Dynamic FEA on Longitudinal Wave and Torsional Wave;
纵波扭转波传播理论研究与动力有限元分析
An Analysis of Pulse Wave in Radial Artery (Ⅰ)--Theoretical Results
桡动脉脉搏波的分析(Ⅰ)——理论结果
A Theoretical Study on the Plasticity and Elasticity of Stock Price Fluctuation;
股票价格波动的塑性和弹性理论研究
Fractal Market Theoryand Persistence in Financial Volatility;
分形市场理论与金融波动持续性研究
Theoretical and Experimential Study on Dynamic Pulse Impedance Spectroscopy;
动态脉搏波阻抗谱的理论与实验研究
High Volatility Thick Tails and Using Extreme Value Theory to Measure VaR;
波动性厚尾和极值理论在VaR中的应用
The Local Solutions of a Class of Nonlinear Wave Equations and Their Asymptotic Theory;
非线性波动方程的局部解及渐近理论
Study on the Fluctuation of Macroeconomic System Based on the Entropy Theory;
基于熵理论的宏观经济系统波动研究
Viewing on the Volatility of Securities Market by the Theory of Economy Cycle;
通过经济周期理论看证券市场的波动
Theoretical model and experiments for TWEO pumping microflow
行波电渗微流体驱动理论模型与实验
