查询词典 fluid dynamics

The just working frequency was obtained by calculation. By transient dynamics analysis applying piezoelectric coupling theory, the transient dynamics properties have been discussed. The analysis result provided a design reference on this kind of valveless piezoelectric pumps that use Cymbal actuators.

通过模态分析得到了Cymbal振子的前5阶固有频率和振型，选出其中最符合工作要求的频率和振型；通过瞬态分析，结合压电耦合分析，得到了振子在方波电压作用下的瞬态动力学特性。

It was investigated that the seasonal dynamics of bud bank, the effects of high sexual reproductive allocation on bud bank and daughter shoots, the changes of bud bank under different parent shoot density, C and N compound of apic ...更多 al rhizome bud response to bud bank seasonal dynamics, the effect of covering treatment during different growing phase on bud bank. The main results and conclusions were as follows:(1) Each bud type has distinct earliest timings to break. B1-1 begins to generate during late May, but B1-2, B2 and B3 occur during late June.

本文分别从羊草地下芽库的季节动态、高有性生殖分配对芽库的影响、不同基株密度条件下芽库及所生成子株的数量变化、根茎顶芽碳氮化合物在克隆生长中的重要作用以及不同阶段遮光处理对芽库数量的影响方面对羊草进行研究，得出的主要结果和结论如下：(1)每种类型芽都有不同的起始产生时间。

With the intuitionistic understanding to the varieties of structure at differenttemperature in molecular dynamics simulation, molecular dynamics simulation, annealingsimulation and circumrotating guest method are used in search of the structure of thecomplex with the minimum energy.

在对不同温度条件下的分子动力学模拟过程中构象变化的情况进行直观的认识的基础上，研究了分子动力学模拟、建立在分子动力学模拟基础上的简单的模拟退火的方法和旋转客体的方法等三种方法在寻找主客体配合物最低能量构象方面的应用。

In this dissertation, sedimentology, historical geology, structural geology, geophysics, structural dynamics/geometric, plate structure etc were combined properly. Taking Jiyang depression as studying object, fault distribution of different periods was analyzed, and thus discussing their structural dynamics. Using tectonic subsidence history modeling and denudating relationship between hanging wall and foot wall in Mesozoic faults, fault activity characteristics were discussed.

本论文将沉积学、地史学、构造地质学、地球物理、构造几何学和运动学、板块构造等多学科有机的结合，以济阳坳陷为研究对象，采用各时期断裂分期配套，分析了不同构造运动时期济阳坳陷断层展布，进行构造运动学讨论；利用构造沉降史模拟与中生代断层上下盘剥蚀关系的恢复，探讨了中生代断裂活动的特征。

For the first time, the dynamics changing process of KGM chain in vacuum is proposed, We obtained the following results: polymerization degree influences the stability and shapes of the chain, the chain stability drops with the increasing of polymerization degree, for the high polymerization degree KGM, KGM chain takes on irregular curl state; acetyl group is not the main factor influencing chain conformation , during the course of dynamics movement KGM chain takes on irregular curl state before and after acetyl group was doffed, Extending and curling states change periodicity and has good flexibility.

首次提出了KGM链的动态模型，得到了以下结果：聚合度影响其链形态和稳定性，对于高聚合度的魔芋葡甘聚糖来说，其链呈现无规卷曲状态且稳定性下降，在整个动态运动过程中KGM链脱乙酰基前后都呈现无规卷曲状态，而且其伸展和卷曲的变化是周期性的，表现出了很好的柔性，说明乙酰基不是影响其链形态的主要因素，二面角能和静电作用是真空中影响单链构象的主要的键合作用力和非键合作用力，但是乙酰基对氢键作用的影响(来源：ABC6c论文网www.abclunwen.com)较大。

Studying result enunciates that the dynamics characteristic of this machine can be opened out directly by compendious graphics mode and regularized dynamics equation can be established automatically by computer program .

结果表明：使用该方法可以用简明的图形方式直观揭示出机构的动力学特征，动力学方程建立的规则化便于计算机自动生成。

Through carrying on nitrifying potentiality dynamics analysis of the substrate artificial medium in the ecological floating bed, find substrate artificial medium nitrifies approximate to be zero response. the dynamics equation is y =-0.1347x+4.3542, the artificial medium nitrifying potentiality is 3.4×10-5g/h·slice.

通过对生态浮床底层人工介质的反硝化潜力进行动力学分析，发现底层人工介质的反硝化近似为零级反应，动力学方程为y=-0.1347x+4.3542，人工介质反硝化潜力为3.4×10~(-5)g/h·片。

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。

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(来源：A9eBC7b4b论文网www.abclunwen.com)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。

Based on the investigation of molecular dynamics simulation,a deposition dynamics model of incident atom in vapor phase deposition was established.

在分子动力学研究的基础上建立了气相沉积原子的沉积动力学物理模型，并根据在局域环境下的表面原子扩散模型，通过运动学MonteCarlo方法研究了Au/Au(100)外延薄膜的初期生长过程，探讨了薄膜外延生长随基体温度的变化。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。