1) moisture vertical helicity
水汽垂直螺旋度
1.
On the basis of vertical helicity, we define three parameters, namely, the divergence flux, moisture vertical helicity and moisture divergence flux.
在垂直螺旋度的基础上,定义了散度通量,水汽垂直螺旋度和水汽散度通量三个宏观物理量。
2) vertical helicity
垂直螺旋度
1.
Diagnosis of vertical helicity, divergence flux and their extensions in heavy-rainfall events
强降水过程中垂直螺旋度和散度通量及其拓展形式的诊断分析
2.
The results show that the centers of rainstorm are in the high value area of convective available potential energy and vertical helicity,and in the high value area of isentropic potential vorticity on 325 K.
结果表明,远距离台风暴雨区位于对流有效位能高值舌区与低层垂直螺旋度大值带重合的区域及325 K等熵位涡的高值区域。
3.
The mechanism analysis of a flood-inducing heavy rainfall occurred in June 2005 Guangdong Province is diagnosed by analyzing the circulation situation,moisture,dynamical mechanism,vertical helicity,and so on based on the conventional observation data,radar echo,satellite image and NCEP grid data.
结果表明:西太平洋副高位置偏南,强度偏弱,副高北侧的西南暖湿气流与西风槽前的冷空气共同作用是此次特大致洪暴雨形成的重要原因;强盛低空急流为暴雨过程提供了充沛的水汽;高层辐散低层辐合激发强烈上升运动;特大暴雨过程中垂直螺旋度量级(10-6hPa。
3) Relative vertical helicity
相对垂直螺旋度
4) moisture helicity
水汽螺旋度
1.
A new diagnostic quantity—moisture helicity is derived from the moisture equation,and the difinition of helicity,and its influence factors are analyzed in details by the dimensional analysis.
构造了新的诊断量——水汽螺旋度,并对影响水汽螺旋度变化的因子做了分析。
2.
A new diagnostic quantity —moisture helicity is deduced from moisture equation, and its influence factors with time are analyzed in details by the diagnostic analysis .
本文从水汽方程出发,推导新构造的诊断量—水汽螺旋度方程,并讨论了其随时间变化的影响因子。
5) vertical helical
垂直螺旋
1.
In this paper,calculation formulas which used in three Kinds of references for criti- cal velocity of a vertical helical conveyor are analysed and compared.
本文对三个文献中给出的垂直螺旋机临界转速的不同的计算公式进行了分析和比较,并根据设计实践,对它们的适用性进行了讨论。
6) vertical vorticity
垂直旋度
补充资料:水汽
1.水蒸气。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条