动力学原理
例句与用法
- Through the analysis of the evolution of the microstructure , the honey comb at the grain boundary and the pool in the grain , furthermore according to the phase change thermodynamic and kinetics , the conclusions of the globalization mechanism and the reheating parameters were drawn as follows . 1
通过对半固态再结晶和半固态熔化过程中的组织转变、晶界蜂巢及晶内液池现象的分析，结合相变热力学和动力学原理，提出sima法制备镁合金半固态球状化组织的形成机制及工艺参数。 - In this paper , concentrated sulfuric acid and titanium dioxide are used to prepare the tios04 solution that test later required under long time heat . the influences of reaction time and reaction temperature to yield of tioso4 are discussed . in the experiment of preparing tio2 powder , reaction temperature , ph values , material ratio , operation way , velocity of feed , calcining heat and time are researched by the principle of nucleation and growth in thermodynamics and kinetics
在制备tio _ 2粉体实验中，根据成核生长的热力学和动力学原理，深入分析了沉淀反应时环境的温度、 ph值、反应物配比、操作方式、加料速度等因素对ti ( oh ) _ 4粒度的影响，以及焙烧温度和保温时间等因素对制得的纳米tio _ 2粉体性能的影响，得出了制备锐钛型纳米tio _ 2粉体的优化工艺条件。 - After researching the application of artificial neural network to fault diagnosis of transformer , the back propagation algorithm is improved observably . inducting chaos dynamics principium to create chaos neural network back propagation algorithm and using the pretreatment of training sample , the emulation program show that this method is effective
本文深入研究了人工神经网络在变压器故障诊断中的应用，对目前最常采用的bp算法做出了较大改进，在原有算法中引入混沌动力学原理构造了混沌神经网络bp算法，并提出了训练样本集的预处理方法，在仿真训练中取得了满意的效果。 - Based on the analysis of thermal contact metamorphic aureoles , granitoid interior structure , quartz axis fabric and strain characters in the different rock unites of yuanshishan granitoid and its wall rocks , the emplacement mechanism of yanshishan granitoid was studied . the magmatic explictite dynamic was advanced in light of regional stress and magma dynamic research . those conclusion was synthesized to ascertain the emplacement mechanism - granitic magma ascended in dikes with the minimum critical width of the magma ascending channels about 2 . 213 . 88m and located in the core of yindianshan dome with the passive style of dyke explictite ; the later unite is a kind of multiple emplacement mechanism with the character of active emplacement of ballooning
同时运用岩浆动力学原理从另一个角度探讨其侵位驱动力。综上指出：经分凝后的活动性岩浆在深部侧向挤压和浮力的联合驱动下，沿深大断裂以最小临界宽度为2 . 213 . 88m的裂隙脉动上侵，整体以岩墙扩展的方式被动定位于银殿山穹窿的核部，但后期屋面前单元具有主动侵位的特点应为一种复合定位机制。 - Taking changling county in south west songnen plain as an example , with the principles of regional agriculture sustainable development , ecological economics , feedback control theory and system dynamics , the article sets up the model of optimal adjustment for agricultural eco environment system in arid and semi - arid regions
摘要以松嫩平原西南部的长岭县为例，依据区域农业可持续发展理论、生态经济学、反馈控制理论和系统动力学原理，建立乾旱半乾旱区农业生态环境系统动力学模型。 - It is usually difficult to confirm the boundary condition in dewatering engineering of deep foundation pit . and the variety of the exploring results often make engineers difficult to accurately get hold of the hydraulic geological parameter . it could n ' t accurately set up the model of underground water movement
在深基坑降水工程中，边界条件通常难以确定，工程勘测结果的多样性常常使工程技术人员难以准确把握水文地质参数，使用确定的地下水动力学原理也不能准确建立地下水运动模型。 - The dynamics equations of soil water vaporizing and ammonia volatilizing hcluding the factors of water and temperature , and the dynamics - like equation of urea transforming into ammonium nitrogen in soil are founded in the paper , by taking the effect of interaction of water and temperature as subject , the dynamic change character of object studied as basis and using principle of chemical dynamic ; the empirio - equations of soil water retention curve including temperature and the empirio - equations including temperature between water potential of millet seedling leaves and soil water are founded in order to make the equation of relation between water potential and water content in soil suit the demand of temperature change much better
本文以水热耦合效应为主题，基于研究对象的动态变化特征，应用化学动力学原理，建立了含水、热因子以及水热耦合效应的土壤水分蒸发、肥料氨挥发动力学方程，以及施入土壤中的尿素转化为铵态氮的动力学型方程；为使水势?含水量关系式更好适应变温条件应用的要求，建立了含温度因子直接表征土壤持水曲线的经验方程，以及含温度因子的谷苗叶水势与土壤含水量关系经验方程。 - In this paper , the interaction with the nonlinear gravitational waves in the baroclinic atmosphere , which is one of the causes of outbreak weather , is studied . there are four parts in this thesis : first , based the dynamics equations describing the fact atmosphere , we gained the mode of the nonlinear gravitational waves
本论文根据大气动力学原理，对中尺度动力学方程进行约化摄动，得到了大气中非线性重力波相互作用的演变方程组，对该方程组进行了理论研究和实际大气背景下的数值求解，结果较好地解释了两类重大灾害性天气形成的机理。 - Based on variable zmp and dynamics of 3 - d inverted pendulum , we educed the cog ( center of gravity ) ’ s trajectory equation of the robot in the single - support phase and transition of locomotion phase . and we used third - order spline function to ensure the acceleration continuity of the robot ’ s cog in the double - support phase . thereby , the smooth trajectory of cog was gained by planning
由基于可变zmp和三维倒立摆的动力学原理,推导出了单脚支撑期内和步行方式转换期间机器人的质心运动轨迹方程;并采用三次样条曲线来保证机器人在双脚支撑期质心加速度的连续性,从而由规划得到了光滑的质心运动轨迹。 - Fourthly , in this paper , we integrate theories of time series analysis and principles of climate dynamics , research mechanism of the evolving process of air temperature , combine physical analysis with statistical analysis of stochastic process , select forecast factors and construct the mathematical model framework of nonlinear time series according with the evolving feature of air temperature
4综合随机过程的统计理论与气候动力学原理，研究短期气温演变过程的机理，将物理成因分析与随机过程的统计分析结合起来，选择预报因子，建立符合气温演变特征的非线性时空序列的数学模型框架。