水动力学

An experiment of water-rock interaction in the packed bed reactor between granodiorite and pure water under the condition of stable pressure of 22 MPa and continuous current has been performed to study the formation process of the Hucun skarn copper deposit in Tongling,Anhui.

以铜陵胡村矽卡岩型铜矿为研究对象，选择与成矿关系密切的花岗闪长岩，在22MPa恒压、不间断流动条件下，与纯水在叠层反应器中进行水-岩反应动力学实验研究。结果表明，水-岩反应速率与流体流速成反相关，与流体在体系内的停顿时间成正相关。

Methods By using the theories of conservation of mass, of energy, Darcy's law and hydrokinetics, the mechanical model of oil layer fluid under the function of low frequency vibrated wave was studied. With the combination of indoor experiment and the numerical simulation, the effect of downhole low frequency vibration on oil viscosity, interfacial tension, capillary pressure, producing water cut and the rising velocity of it was studied quantitatively.

应用质量守恒定律、能量守恒定律、达西定律、流体动力学等基本原理研究了低频振动波作用下油层流体的数学模型，将室内实验和数值模拟技术相结合定量地研究了低频振动对原油私度、界面张力、毛管压力、产水率及产水率上升速度的影响。

Though controlled muscle actions, artificial fishes are able to swim through simulated water in accordance with hydrodynamics. Their functional fins enable them to locomote , maintain balance, and maneuver in the water.

虽然行动受控制，人工鱼在模拟水世界中的游动还是能够遵循流体动力学原理，它们的鳍能够帮助它们前进、保持身体平、并能在水里回旋。

A numerical method using high resolution scheme was established for the real gas which is described with properties or.

推导出一种用密度和内能或密度和比内能描述的真实气体的高分辨率数值格式，采用IF97计算公式设计相应的以为变量的水和水蒸气性质表，并用一种快速插值的方法将表格中的水和水蒸气状态参数应用到流体动力学计算中。

The calculation of the rotordynamic coefficients of a multistepped annular seal in hydraulic turbines is discussed in this paper. Based on the Hirs' turbulence lubrication theory and the bulk flow model, the governing equations for the flow in the seal are developed by using the Moody's friction equations. The governing equations are perturbed when the rotor and the stator are coaxial. The Runge Kutta integration method and the Newton Raphson iteration method are used to solve the perturbation equations....

本文首先在Hirs紊流润滑理论的基础上，采用体积流动模型及Moody摩擦方程建立起阶梯口环水封中流体流动的控制方程，将各个方程在转子与定子同心处进行摄动，采用Runge－Kuta积分法及迭代过程求解摄动方程，建立起水轮机阶梯式口环水封的转子动力特性系数的计算方法，为水轮发电机组轴系的动力学分析提供了必要的理论基础。

The activated or leached process and their influence elements are studied by 1DREACT software package of coupled mass/heat transfer and chemical reaction dynamics of water-rock interaction, according to the geological and geochemical characters of fine disseminated gold deposits.(1) Water-rock reaction time is not the important influence element of activating gold;(2) At first, activating capability of hydrothermal solution increases with the increasing of total sulfur activity; after lga〓≥-4, the content of activated gold in solution is mainly related to original content of gold in wall rock, and does not visibly dependent on total sulfur activity.(3) It is a complicated nonlinear process of influence of activating gold capacity of hydrothermal solution with the change of temperature, in general, 220 ℃ is most favorable to gold activation.(4) The influence of oxygen fugacity on gold activation has a multiple functions coupling nonlinear effect, in general, Igfo〓=-41 is most favorable to gold activation.(5) Solubility of gold in fluid decreases with the increasing of velocity of flow, the product of velocity and aurous solubility reaches maximum when velocity is 0.2～0.5m〓m〓. yr〓, i. e. this scope of velocity is most favorable to gold activation.

利用1DREACT水-岩相互作用反应-输运耦合动力学软件包，根据微细浸染型金矿床地质地球化学特征，计算机模拟研究了金的活化、浸取过程及其影响因素，发现：(1)金活化过程中水-岩反应时间不是其主要制约因素；(2)热液对金的活化能力开始随总硫活度的增高而增高，当lg a〓≥-4后，热液中活化金的含量将主要与围岩中金的初始丰度有关，而对总硫活度无明显依赖关系；(3)温度对热液浸金能力的影响是一个复杂的非线性过程，总体而言，220℃最有利于金的活化；(4)氧逸度对金活化的影响呈现出一种多因素叠加的非线性效应，总体而言，lgfo〓＝-41最有利于金的活化与浸取；(5)流体中金的浓度随流体流速的加快而降低，流速与金浓度的乘积在流速为0.2～0.5m〓m〓。yr〓时达到极大，即0.2～0.5m〓m〓。yr〓的流速范围最有利于本类矿床的金的活化。

Because of attraction between water molecule and carbonium ion, the severe contract in system volume brings about activation volume effect (the most negative A〓 observed in this work is 407cm〓mol〓), which produces subtle relationship between reaction kinetics and pressure in a certain operating region.

反应过渡产物正碳离子及水合正碳离子与近临界状态水分子之间强烈相互吸引导致反应活化体积出现极负值现象（本实验所测极值为-407cm〓·mol〓，这使得水解动力学参数对反应压力存在敏感依赖关系。

Based on hydrogeological data and groundwater chemical analysis data and the theory and methodologies of groundwater chemical dynamics in combination with limited pumping test data, some groundwater chemical index such as activity of component、mineral saturation index are calculated and some hydrogeological parameters such as hydraulic conductively,transmissibility,artual speed of groundwater、specific velocity and groundwater age are also calculated zonally.The above calculation results are beneficial to quantificationally recognize the local hydrogeological conditions and to attest that the confined aquifer of Taconic formation has good permeability and transmissibility and t good renewal ability because of the active groundwater movement.

依据已有水文地质和水质分析资料，运用地下水化学动力学理论和方法，通过水化学指标（组分活度α、矿物饱和指数β）的计算分析，结合有限的抽水试验资料，分区计算出渗透系数K、导水系数T、地下水实际流速U、渗透速度V和地下水年龄t等5项水文地质参数，定量的认识水文地质条件，认证了水源地泰康组承压含水层具有渗透性强、导水性强、地下水循环交替快、可更新能力强等特点。

The results showed that 1,5-naphthalene disulfonic acid could be degradated effectively by the catalytic supercritical water oxidation process,the removal rate of COD reached 98% or even above;the removal rate of COD increased with the increasing of temperature and residence time,the orders of catalytic oxidation degradation reaction of 1,5-naphthalene disulfonic acid to COD and oxygen in supereritieal water were 0.89 and 0.28 respectively,and the activation energy was 56.8 kJ/mol.

Ding等[3]研究了NH3在MnO2/CeO2催化剂作用下在超临界水中的降解情况；Savage[4]简述了在超临界水中以CARULIFE 150、TiO2、MnO2、CuO为催化剂，对苯酚进行了超临界水氧化机理研究情况，但迄今为止涉及催化超临界水氧化的反应动力学的研究还不多。萘系有机污染物是印染

The research of swelling dynamic behavior shows that the electrolytical ions in swelling media have a great effect on the swelling behavior of PVA gel and the equilibrium swelling ratio in physiological saline is less than that in aqueous media.

溶胀特性研究显示，PVA水凝胶在生理盆水中的平衡溶胀比小于其在蒸馏水中的平衡溶胀比，凝胶的平衡溶胀比随浓度和冷冻－解冻次数的增加而下降，其下降趋势满足幂函数的变化规律；水凝胶的溶胀过程符合溶胀动力学方程。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。