convection current

In this paper, hy generalizing the linear convection current model and using" partical method", a nonlinear convection current model taking into consideration the atmospheric stratification, local heating and viscosity has, been set up using the theory of the flow stability, bifurcation and catastrophe.

本文推广气块法所建立的线性对流模型，利用了流动稳定性及分岔和突变理论，建立了包含层结、局地加热及阻力等因子的非线性对流模型。

The convection current heat exchange coefficients on the tube surface and at the elliptic pin top were separately measured, the experimental correlative formula and the total heat exchange coefficient were derived with calculation.

对管面上及椭圆钉头上的对流换热系数分别进行了测量，通过计算得到总体换热系数及流动阻力的实验关联式。

In such vertical convection system, potassium ions were continuously enriched due to the concentration by evaporation. The current K-rich brines during the glauberite intergranular were formed eventually.

在这种垂向对流系统中，蒸发浓缩作用导致钾离子不断富集，最后形成目前的钙芒硝晶间富钾卤水。

The stress field of medium-and high-degree indicates that the stress field features of mantle convection current of the continental margin graben system corresponded relatively well with the tectonic features. It provides basic information on the formation of the marginal seas, especially the South China Sea.

高阶及中阶场则说明了陆缘地堑系的地幔流应力场特征与地质构造特点符合较好，并为边缘海尤其是南海的形成规律提供了新的基础资料。

Influence of chemistry of fluid and circulated convection current on diagenesis of petroclastic rock in deep formation

水介质的化学性质和流动方式对深部碎屑岩储层成岩作用的影响

Current theory of mantle convection and delamination and mantle plume proposed on the basis of the difference in density and temperature is poorly accepted and is unable to explain the composition, structure and evolution of continental lithosphere and continental orogen of China.

现在流行的按密度差、温度差建立的地幔对流、拆沉作用、地幔柱理论，阐明不了中国大陆岩石圈、大陆造山带的组成、结构与演化。

The stress fields of mantle convection current of various models in the South China Sea and its vicinity are computed by using hydrodynamic equations and spheric harmonic coefficients determined from satellite and surface gravi-tional surveys.

本文利用卫星、地面重力测量资料确定的球谐函数系数和地幔流体力学方程计算了南海及其围区不同模式的地幔流应力场。

A new method for simulation of water quality in tidal channel network is put forward by integrating the dispersion equation for convection current describing the law of pollutants movement in river by use of FVM.

用有限体积法（FVM）对描述河流污染物运动规律的对流扩散方程积分，提出了一种处理潮汐河网汊道水质模拟的新方法；

Study of mantle convection: significance, current status and trends

地幔对流研究的意义、现状与展望

The convection current heat exchange and flow resistance were studied when air crossed the elliptic pin finned tube by using the heat/ mass transfer analogy and naphthalene sublimation technique.

利用热质比拟原理及萘升华技术，对空气横掠椭圆钉头管时的对流换热及流阻特性进行了研究。

Stress field of mantle convection current and continental marginal spread in South China Sea and its vicinity

南海及其围区壳下地幔流应力场和陆缘扩张

Geomagnetic responses to the convection field, field-aligned current and auroral electrojet

对流电场、场向电流和极光区电集流变化的地磁响应

This paper studied on the aerodynamic characteristics and velocity profile of air current in tempering furnace when Low-E glass is tempered and convective heat transfer is put into effect by air-stream introduction. The importance of air-stream convection for heat transfer in furnace is also stressed.

着重研究了Low-E玻璃在钢化加热炉内加入空气进行对流传热时，气流的气动特性及速度场分布情况，从而讨论了它对炉内传热所做的贡献。