对流

Finally, it is proved this strategy reduces the impact of the churn.

通过对比实验证明，该方案降低了扰动问题对流媒体直播系统的影响。

N experiment combining flow visualization and temperature measurement is carried out in the present study to investigate the possible presence of new inertia-driven vortex rolls and some unique characteristics of the time-dependent mixed convective vortex flow resulting from a high speed round air jet impinging onto a heated horizontal circular disk in a vertical cylindrical chamber.

bstract：本篇论文利用实验流场观测方法及温度场量测方法对於垂直圆柱容器中一高速空气圆形喷流冲击至一加热圆盘之可能产生新的惯性力驱动涡流和一些独特的周期性混合对流涡流流场特性进行研究。

Weather of among them bureau ground strong precipitation happens in the typhoon circumfluent and high-energy gradient sharp edge area, because work,this basically is invade cause convection sex to be not stabilized those who cause.

其中的局地强降水天气发生在台风环流高能梯度锋区，这主要是由于干侵入引发对流性不稳定造成的。

This paper establishes a mathematical model of the gas flow field inside separating column of the circumfluent circulation cyclone separator based on the N-S equation under column coordinate,gives the resolution of the cyclone flow field in separating column with weighted residual method,and compares computation values with trial values as well.

由柱坐标系下的Navier-Stokes方程出发，建立了环流循环除尘系统分离柱内流速场新的数学模型，利用具有成熟使用经验的加权残值法对流场进行求解，并与实验结果进行了比较。

It has been discovered that there exists remarkable abrupt change of Circulation in climatologic characteristics between second pentad and third pentad of October,and low tropophere temperature has three abrupt changes (first pentad of September、third -fourth pentad of November and sixth pentad of January).

讨论了东亚冬季风的演变过程，发现在气候学特征上环流存在着明显的10月突变(10月第3候)，对流低层温度存在三次突变(9月初，11月中旬和1月末)。

In this dissertation, EISCAT radar observations and computer numerical simulation methods are involved to study the climatologic characteristics of polar ionosphere and their mechanisms, as well as the polar ionospheric responses to magnetospheric particle precipitation and convection electric field. Then, with the help of the numerical computation, the EISCAT data are employed to invert the energy spectra of auroral precipitating particles and their responses to magnetic storms and substorms.

本文联合利用EISCAT雷达数据和计算机数值模拟手段，以雷达探测数据为基础，数据分析和数值模拟、理论研究相结合，研究了极区电离层气候学特征与机制，磁层粒子沉降和对流电场对极区电离层的影响，并利用雷达数据反演极光沉降粒子能谱特征及其对磁暴和亚暴的响应。

In the satellite cloud pictures, it is seen that the direct cause of the heavy rainstorm is the genesis and evolution of conglomeration and close-grained intensive meso-β convective system.

4卫星云图上，团状的、密实的强中β尺度对流系统的形成和维持是造成短时强暴雨的直接原因。

As to the measurement of viscosity coefficient, it is found that all the nanofluids used by the study belong to Newtonian fluid.

并藉由热对流性质量测实验以了解奈米流体在管路中的压降状态及与总热传系数，最后利用冰球储冷特性实验，对於奈米流体应用於储冰系统的可行性与性能进行评估。

The physical properties include density, thermal capacity, resistance ratio, thermal conduction coefficient and viscosity of liquid steel.

推导了考虑水冷铜套和电极之间空气隙影响的等效对流换热系数以及通电时的径向和轴向电磁力方程。

An analytical model describing the dispersion with an exponential dispersion function is built, which be transformed into CDE problem with variable coefficient, using hypergeometric function and inversion technique, an analytical solution for two type boundary conditions is obtained.

文章对于具有指数弥散函数的弥散过程建立了对流-弥散微分方程模型，应用积分变换将问题转化为具有变系数的常微分方程问题；对于两种类型的边界条件，应用超几何函数和反演技术得到了问题的解析解，并分析了指数弥散过程和常数弥散过程的不同性质。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。