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convection相关的网络例句

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与 convection 相关的网络例句 [注:此内容来源于网络,仅供参考]

Therefore, the moist potential vorticity analysis associated with the mesoscale convective system was researched in the paper, so as to reveal the moist potential characteristics of mesoscale convective system in typhoon circulation. The results showed that, during the generation stage, convective instability characterized by MPV1 was a favorable condition for forming MCS, while the vorticity which was caused by the slantwise isentropic surface and the vertical shear of the horizontal wind characterized by MPV2 was an inspiring mechanism. The specific process was that, the atmosphere exhibited the feature of strong convective instability at the low level of convection areas and the southeast areas, which included plenty of erratic energy. The slantwise ascended the stream transfer the erratic energy to northwest, where the stratification stability was small. As decreased, the cyclonic vorticity increased. On the other hand, the vorticity caused by the slantwise isentropic surface and the vertical shear of the horizontal wind inspired the release of convective instability and as a result that the MCS formed. During the development stage, the cyclonic vorticity increased quickly with the persistent decreasing of . Meanwhile, the inclination of isentropic linewas bigger than the absolute momentum line at middle level, which exhibited the feature of conditional symmetric instability , then the conditional symmetric instability was forced to release by the vorticity resulted from the slantwise isentropic surface and the vertical shear of horizontal wind, and the MCS developed.

结果表明,在对流形成阶段,MPV1即对流不稳定为MCS的形成提供背景不稳定条件,由MPV2即湿等熵面的倾斜和水平风的垂直切变而引起的涡旋发展作为强迫机制:MCS形成的区域及东南区域中低层是强对流不稳定层,蕴含丰富的不稳定能量,倾斜上升运动把对流不稳定区具有强不稳定能量的暖湿空气向西北中层的中性层结区输送,由于的减小,气旋性涡度增强,有利于形成对流,另一方面,由于湿等熵面倾斜和低空急流加强而引起的涡旋发展作为一种强迫机制激发对流不稳定能量得到释放,从而形成对流;在对流系统地发展阶段,由于低层的对流不稳定性进一步减弱,进一步减小,气旋性涡度进一步增强,有利于MCS的增强,中层等θe 线的倾斜度比绝对动量M 等值线的倾斜度大,对应有条件对称不稳定区域,满足条件对称不稳定条件,在湿等熵面倾斜和台风低空急流作用下引起的涡旋发展强迫对称不稳定能量释放,从而使得对流得以维持和加强。

Two kinds of thermal boundary conditions were considered in this study. One was the isothermal rotating object and the other was the adiabatic rotating object. The motionless object was set in rotation at time t=0 with a constant angular velocity. The effect of natural convection was neglected.

本文假设容器内流体的普朗特常数等於5,并假设流体流动属於层流状态,模拟过程中考虑两种不同的边界条件,一为等温旋转体,另一为绝热旋转体;在不同的边界条件下,物体於时间t = 0时开始旋转同时固定角速度,并忽略自然对流。

However, the more consummately method should confirm the convection coefficient of heat-side and cold-side liquid, so as to find out the problem and to ameliorate it.

然而,更完善的办法应该是同时再确定换热器冷、热两侧流体的对流换热系数,以便找出问题所在并进行改进。

Toaster ,Toaster Oven, Convection Oven, Rotisserie Oven, Rice Cooker, Slow Cooker, Food Steamer, Induction Cooker, Bottle Warmer, Table Stove, Contact Grill, Coffee Maker, Water Kettle, Espresso Coffee Maker, Fry Pan, Deep Fat Fryer, Electric Wok, Sandwich Maker, etc

烤面包机,面包烤箱,旋風式烤箱,电转式烤箱,电饭锅,慢炖锅,蒸锅,电磁炉,瓶状保温器,台式炉,烤盘,咖啡壶,电水壶,浓咖啡壶,平底油炸锅,油炸锅,电炒锅,三明治机等

Since continuum hypothesis is still valid for liquid flow in microchannels with hydraulic diameter at about 100 micro-meters, a turbulence convection heat transfer model for single-phase liquid flow in microchannels is established, in which wall surface roughness viscosity is introduced.

分析表明水力直径为100μm左右的微管道内单相液体流动仍满足连续介质假设,引入粗糙度粘性系数,建立了微管道内单相液体湍流对流换热模型,并采用3维有限容积法进行了数值计算,将计算结果与实验结果进行了对比。

In order to improve the accurate of measurement, the artifacts, such as eddy current, thermal convection, background gradient must be considered both experimentally and methodologically.

我们把多自旋回波和双向梯度场技术相结合,用来抑制这些干扰,并在生物样品的自扩散系数测定中的进行了应用。

Lower and upper valves 25 and 26, respectively, provide a natural convection current whereby cooler ambient air is drawn into the passageway and the solar heated moisture-laden air in the passageway is passed to the environment outside the container.

上,下阀门, 25日和26日,分别提供一个自然对流电流,让清凉的空气是卷入通道和太阳能发热的水分-拉登的空气通道,是通过对环境以外的货柜。

From thanks in the work which the spirit convection current hands down from generation to generation, we may see Xie Lingyun not only are the remarkable poet, also is an important tax family and prose master, his prose poems creation also has the characteristic very much.

从谢灵运流传下来的作品中,我们可以看出谢灵运不但是卓越的诗人,也是一位重要的赋家和散文大师,他的辞赋创作也是很有特色的。

This paper makes an analysis of the Doppler speed charts of clear weather and the echoes of large-area precipitation. It also singles out the Doppler speed charts of typical wind fields. In addition, this paper analyzes Doppler radars detecting process of the strong convection current weather system. It also conducts a thorough analysis of Doppler echo features of some hazardous weather, such as cell storm and downward storms. Based on this research and analysis, the paper reaches some important conclusions concerning the detecting methods using Doppler radar and the analysis of the information gathered by Doppler radar.

本文通过分析晴空和大面积降水回波的多普勒速度图像,归纳总结出了典型风场的多普勒速度图象,并着重分析了多普勒雷达对严重危害飞行安全的强对流天气系统的探测,特别是深入分析了超级单体风暴、下击暴流等灾害性天气的多普勒回波特征,得出了多普勒雷达对灾害性天气进行探测的方法、雷达资料分析应用等方面许多有益的结论。

The purpose of this paper is to find the proper character of cooling water and the ways of it pass in and out the jet, which make sure that the anode of plasma ignition jet will not be ruined, to prolong the useful life of the pole, by using the numerical analyze in plasma ignition torch against heat transfer of anode and cooling-water against convection current heat transfer, and process the simulation calculation by using FLUENT soft.

本文通过对等离子体点火炬与阳极传热以及冷却水与对流湍流传热的数值分析,运用FLUENT软件进行模拟计算,找出满足使等离子点火器阳极不被烧蚀的冷却水的合理参数及冷却水进出水方式,来延长电极的使用寿命。

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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。