动力学

The article uses the order of magnitude comparison method and method of analogue to analyze the physical attribute of granular sludge and gas-liquid mixing fluid under gravitational field, the triphase flowing space and dynamics conditions in the main reaction zone, especially the granular sludge's space density, fluid state and the mass transfer state of the corresponding fluid.

本文采用数量级比较法和类比法近似分析了重力场下颗粒污泥及气液混合流体的物理属性，利用在主反应区三相的流动空间和动力学条件，尤其是颗粒污泥的空间密度、流态及对应流体的传质状况。

Spacecraft attitude dynamics and the analytic and numerical methods for studying chaotic motion in engineering systems are respectively surveyed.

概述了航天器姿态动力学的研究内容和研究工程系统中混沌运动常用的解析和数值方法。

Two different methods of analytic dynamics are employed to deduce the math model of slight vibration of the motorcycle when it is changing speed.

本文用解析动力学的两种不同方法，推导出了摩托车变速行驶时微振动的数学模型。

Methods\ A group of equations are obtained on the basis of rigid body dynamics and analytic geometry.

应用刚体动力学原理，在给定坐标系下建立智能雷飞行运动方程，通过空间解析几何方法获得智能雷扫描运动方程。

A modern analytic method of nonlinear dynamics, the Hopf bifurcation theory, is used to study the stability of S.

运用非线性动力学现代分析方法Hopf分岔理论，研究了全混釜内酵母培养系统的稳定性问题，得出其Hopf分岔范式，给出了振荡存在的区间、临界点处的周期及解析解，并考察了周期解及定常解的稳定性。

Using the established physical model and the analytic method of fluid dynamics, investigates the resistance characteristics of the vibration fiber grid, and develops the formula for calculating the resistance.

根据建立的物理模型和流体动力学的分析方法，对振动纤维栅的阻力特性做出理论上的分析，推导出阻力计算公式。

Based on the analysis of Laoshan District, the research was carried on including water environment capacity, water allocation and forewarning evaluation. Hydraulics, System Dynamics and analytic hierarchy process are applied in the research. The main contents and conclusions are as following:1. With economic development, urbanization and continuous improvement of people\'s living standards, the demand of water resources in Laoshan District will continue to increase dramatically.

本文在分析青岛市崂山区水资源利用现状的基础上，运用水力学、系统动力学和层次分析法，对区域水环境容量、水资源优化配置和水资源复合系统安全预警进行了系统的研究，主要得到以下结论：1、随着经济建设、城市化的发展和人民生活水平的不断提高，崂山区水资源需求量正在并将继续急剧增加，且由于区域水资源时空分布不均衡，新水源开发、客水调入难度大，部分地区已出现水资源紧缺状况。

The basic character of a mass spring oscillate in small amplitude and small angle is studded with an analytic method founded on nonlinear dynamics.

以非线性动力学理论为基础，用解析方法分析包括有质弹簧在内的弹性摆小振幅、小摆角的基本运动规律。

According to Lagrange equation in analytic dynamics, the dynamic equations of the Double-Axis Gyro Stabilized Platform of a certain airborne SAR antenna are derived, its linear model and the transfer functions of other main parts in the DAGSP are given and at last the block diagram of DAGSP is given.

6利用分析力学原理，推导了某机载天线双轴陀螺稳定平台的动力学方程和线性化模型；给出了天线双轴陀螺稳定平台中各主要环节的传递函数及数学模型。

The nanostructures and mechanical properties of nanocrystalline Ni with average grain size ranging from 2.09nm to 5.23nm were simulated with analytic embedded-atom method and Molecular Dynamics.

摘 要：运用分子动力学技术，结合分析型嵌入原子方法模拟计算了平均晶粒尺寸为2.09~5.23nm的纳米多晶Ni的微观结构和力学性能。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。