Below a certain threshold, they will not be strong enough to overcome the convective mixing of the gas at the surface, and spots will disappear altogether.
低于一定的临界值的话，它们将不足以克服表面气体的对流混合，因而太阳黑子将完全消失。
A star during most of its life is a main-sequence star, which consists of a core, radiative and convective zones, a photosphere, a chromosphere and a corona.
一颗恒星其生命的绝大部分处于主序星阶段，在这一阶段它包含一个核心、辐射区和对流区、光球层、色球层和日冕。
The horizontal width of the condensate falling from the convective cells was much less than the width of the observed mesoscale downdraft (60 km compared to 150 km).
从对流单体降落的冷凝物的水平宽度比观测到的做尺度下沉气流的宽度小得多（前者60公里而后者150公里）。
The residual effects of the cloud clusters are generally ignored even though the area they cover is perhaps an order of magnitude larger than the convective region itself.
云团的残余影响通常是忽略不计的，即使它们覆盖的地区比对流区本身可能大一个量级也如此。
CAPE is an important parameter in strong convective weather analysis and prediction.
对流有效位能(CAPE)是强对流天气分析预报的重要参数。
Areas (shaded) illustrate the regions where convective cloud frequency exceeds 30 %.
阴影区表示该区域对流云出现频数超过30%。
A new method for numerical solution of convective heat transfer problems is presented.
本文给出了一种求解对流传热问题的分步杂交方法。
At the solar surface, convective motions of heated gases jostle the magnetic field line.
在太阳表面，炽热气体的对流运动把这根磁力线冲来撞去。
Boundary surfaces were simultaneously exposed to both radiative heating and convective cooling.
外界辐射加热与对流冷却同时作用于边界表面。
And it was compared with the self organizing phenomenon in atmospheric convective boundary layer.
将它与大气对流边界层中的“大涡”自组织现象作了初步对比。
The occurrence condition of southern Zhejiang severe convective event on 13 March 1987 is analyzed.
本文对1987年3月13日浙南地区强对流过程发生的条件作了分析。
The uncertainty in measured convective heat-transfer coefficient on lifting body model was about 15%.
升力体模型对流换热系数测量不确定度大致为15%左右。
Cumulus convective parameterization is one of the most important physical processes in numerical model.
积云参数化是数值模式中最重要的物理过程之一。
Low medium temperature geothermal systems of convective type are widely distributed in nature and in China.
中低温对流型地热系统在自然界和我国有着广泛的分布。
Since the counter-gradient transfer may occur in the convective boundary layer K-theory is inadequate there.
对流边界层中存在反梯度输送，因而K理论的应用受到限制。
An optical flow method instead of the cross correlation method is proposed for convective precipitation system.
针对强对流降水的情况，提出了使用光流法计算得到的光流场来代替交叉相关法得到的运动矢量场。
Anomalous forcing is introduced into the model, representing the tropical low-frequency dipole convective pattern.
模式中引入了代表热带低频偶极型对流的异常强迫。
If the convective heat transfer coefficient is great enough, its rechange has smaller effect on temperature response.
当对流换热系数足够大时，再改变对流换热系数对温度影响较小。
It appears that improvement of convective heat transfer is very important for enhancement of flux and heat efficiency.
结果表明，提高对流传热系数是提高膜蒸馏热效率和渗透通量的关键。
Finally the vulnerable areas of convective cloud are found through the analysis of the position of convective clouds.
并通过分析对流云发生的地理位置，寻找对流云易发区。
The structure of the forward-tilted trough increases the atmospheric instability and caused the severe convective weather.
高空前倾槽的结构加大了大气的垂直不稳定，是引起强对流天气的重要原因。
In this paper, the steps of energy saving on convective drying process are analyzed based on the energy calculation equation.
本文根据对流干燥过程能量衡算方程序，对干燥过程的节能措施进行了理论分析。
With increasing convective mach number the skewness and flatness factors increase a little and the peak positions move outwards.
随着对流马赫数的增加，脉动的偏斜性和间歇性略有增加，并且其峰值对应的位置向混合层外侧移动。
Numerical results also showed that convective transfer of molten steel is the key factor to influence the inclusion distribution.
数值结果还表明钢液的对流输运是影响夹杂物分布的重要因素。
The result shows that this method can be a useful tool for the identification, tracking and warning of severe convective weather.
结果表明本方法能较好地识别、跟踪和警戒强对流性天气。
The influence of various parameters on the measuring accuracy of the convective heat-transfer coefficient was analyzed quantitatively.
本文全面分析了各因素对对流换热系数精度的影响，并进行了定量分析。
E. M. The boundary condition consists of convective heat transfer of gas heating, internal cooling, film cooling and impinging cooling.
计算的边界条件包括燃气加热，内部对流冷却，气膜冷却和冲击冷却的对流换热。
The integral N-S equation is regarded as a special diffusion equation and the pressure term, convective term are regarded as source terms.
将此N S方程看作一个特殊的扩散方程，将压力项与对流项看作是源项，得到一个积分方程。
The granulation is commonly thought to represent the overshoot of the topmost convective elements as they penetrate the stable atmosphere.
一般认为，米粒组织代表最上部的对流元穿入稳定大气时的超越部分。
The granulation is commonly thought to represent the overshoot of the topmost convective elements as they penetrate the stable atmosphere.
一般认为，米粒组织代表最上部的对流元穿入稳定大气时的超越部分。
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