查询词典 convection current

The results of cloud image analysis show that the TBB is lower than 230K (-44℃) when the convection grows most prosperously and the area with the brightness temperature difference of lower than -4℃ corresponds to the place where is most affected by the strong thunderstorm. The center of low value with T≤-7℃ corresponds to the strong echo of radar. There is a good correspondence between the strong convective weather and maximum gradient of TBB, which distributes along the moving cloud cluster. The moving path of strong storm is similar to that of the maximum positive gradient of T.

FY-2C卫星云图定量分析结果表明这次飑线过程对流最旺盛期TBB低于230K(-44℃)；长波红外分裂窗双谱组合T≤-4的低值区与强风暴天气影响区域相对应，T≤-7低值中心与强雷达回波区相对应；强对流天气区域与分布在沿对流云团前进方向的TBB梯度最大区域有很好的对应关系，强风暴天气发生区的移动路径与T正梯度最大区域的移动路径相似。

This paper reviews the conventional models for the formation of marginal compositional reversals,including wall-rock contamination,multiple injection,compositional stratification of magma,high degree of supercooling,crystal settling of phenocrysts,flow differentiation,compositional convection and upward decrease in amount of intercumulus liquid.

朱丹，罗泰义，宋谢炎，徐义刚，陶琰，黄智龙，基性-超基性岩浆成岩和成矿过程中Soret效应的研究进展综述了当前对基性-超基性岩床和层状岩体的边缘反转现象的传统解释模型，包括围岩混染、岩浆多期注入、岩浆分层、过冷却、晶体沉降、流动分异、结晶和成分对流以及逐渐减少的颗粒间熔体量。

new numerical procedure ; specified pressure boundary condition ; natural convection ; high order scheme

本文的研究目的是：(1)探讨指定压力边界条件在无限空间自

Heat transfer ; natural convection ; boundary layer

传热；自然对流；边界层

The time-splittingscheme is developed for energy equation in natural convection in this paper.

本文还将时间分裂法推广应用于求解自然对流中的能量方程。

The time-splitting scheme is developed for energy equation in natural convection in this paper.

本文还将时间分裂法推广应用于求解自然对流中的能量方程。

Chapter 4 gives characteristic finite element methods for natural convection problem and Navier-Stokes equation.

第四章给出自然对流问题及Navier-Stokes方程的特征有限元算法。

Because the method employs the technique along the characteristics to discretize the convective term and it is unnecessary to determine the boundary condition of the vortex ahead of time, it is very convenient to solve the Navier-Stokes equation and natural convection problem.

该方法对对流项仍采用沿特征线离散技术，并且不需要事先确定漩涡度的边界条件，从而可以方便地求解流函数-漩涡度形式的Navier-Stokes方程及自然对流问题。

The results of the high Ra number natural convection simulation in a cavity are satisfactory.

对一方腔内高Ra数自然对流问题的数值模拟表明，结果是令人满意的国家自然科学基金

Although the computational burden is effectively reduced in this way, the treatment has a negative effect on the diurnal variation of radiation, which in turn influences the simulations of convection and precipitation.

这样虽然有效的减少了计算机时，但对辐射日变化的模拟会产生一定的影响，并进一步影响对流和降水的模拟。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48