查询词典 squall line

Using Mesoscale ARPS model and its data analysis system ADAS, which were developed at the Center for Analysis and Prediction of Storms, the University of Oklahoma, three Doppler radars cardinal data of Qihe of Jinan, Linyi and Lianyungang were assimilated and comparative experiments were conducted for the "428" squall line process.

利用美国俄克拉何马大学风暴分析和预测中心开发的中尺度ARPS模式及其资料分析和同化系统ADAS，将山东省济南齐河、临沂和连云港3部多普勒雷达基数据资料同化进ARPS模式中，对山东"428"飑线过程进行了数值对比试验。

The low-level wind field displayed cyclonic character on the north part of the squall line, whereas on its south part the wind field pattern was anticyclonic, with clear convergence of westerly and southeast inflows in between.

飑线不同位置的水平风场结构有很大不同，在飑线北端，低层是气旋性辐合风场，飑线南端是反气旋性辐合风场，而中部沿强对流窄带的前部是偏西和东南风的风场辐合。

A mesoscale convergence line, which is formed by downslope wind from the Taihang Mts. Converging with southwest warm humid wind in front of a surface trough, induces the release of the CAPE and initiates convection and organizes the convective cells into a squall line.

由于太行山地形影响而产生的下坡风与地面低压槽前的西南暖湿气流相汇合，形成中尺度辐合线，触发了不稳定能量的释放，产生对流并由中尺度辐合线组成飑线。

The sensitivity experiment shows that the squall line cannot happen if there is no surface flux.

4敏感性试验指出陆面过程对本次飑线过程的形成发展起了重要作用。

The clouds can form alone, in clusters, or along a cold front in a squall line.

云可以形成，仅在集群，或沿着飑线中的一个冷锋。

The physical causes of the surface strong wind caused by the squall line are also discussed.

针对2006年4月28日发生在江苏境内的一次飑线过程，分析了过程期间的边界层特征、垂直结构和飑线的传播演变特征，讨论了飑线造成地面强风的物理原因。

With continuous observation of WSR-88D Doppler weather radar, a strong squall line process in Shanghai on 12 July 2004 is researched and analyzed.

利用WSR-88D多普勒天气雷达的连续探测资料，对2004年7月12日影响上海地区的强飑线天气过程进行了研究。

The results show that this squall line is a combination of follow-up type and consecutive type.

分析飑线整体演变和内部对流单体演变表明：此飑线为后续线型和断续线型的结合。

A numerical study of the along-line variability of a frontal squall line during PRE-STORM.

利用 PRE-STORM 期间在85年6月26~27日出现的一锋面飑线的18小时预报考察了中尺度和大尺度环流在飑线沿线变率生成过程中的作用。

The result shows that the severe convection weather arise in the transition from verticality to forward slant of the upper trough, so there was a different advection between the mid- and lower- troposphere, which was quite important to the formation and development of convective instability. The event was triggered by the surface low and meso-scale convergence line, and the squall line was direct influencing system.

结果表明：这次强对流天气过程发生在高空槽由垂直结构向前倾结构转变的过程中，中高层干冷平流、低层暖湿平流的大气层结增强了对流不稳定的发展，飑线是此次强对流天气的直接影响系统；太行山地形和平原南部的中尺度辐合线，对飑线系统的触发、组织、移动具有重要作用，强对流区发生在地面中尺度辐合线南侧的偏南气流里。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。