查询词典 jet stream

And the southwest low level jet and southeast low level jet provide it strong warm advection and vapor transport.

低空有西南和东南风急流为其提供强的暖平流和水汽通道。

A new type of jet aerator (separate structure jet aerator ) was designed and developed,and an idea of separate design was put forth.

设计研制了一种新型的射流曝气器，提出了分体式设计的概念，它主要应用于小型和高浓度工业废水的实际处理工程中。

The results show that, when the fuel supply position is located at the forebody of cavity, the jet flow of fuel supply has certain damage to vortex, and when the fuel supply injection is located at the afterbody of cavity, the jet flow of fuel supply has no damage to vortex.

实验表明，供油位置在凹腔前体，油气掺混孔处的射流对涡有破坏，供油位置在凹腔后体，油气掺混孔处射流对涡没有破坏作用，在不考虑供油方式等因素的情况下，凹腔后体供油优于凹腔前体供油。

This paper establishes a physical model Based on this technology; explains the mechanism and methods; Analyses revolve jet's kinetic characteristic; studies how revolve jet affects manually produced borehole wall's buildup; designs the hydraulic tool; analyzes the relation of waterpower between the tool and the aiguille.

本论文建立了基于该项技术的井下物理模型，并以流体力学为研究基础分析了该项技术防漏堵漏的机理和方法；通过对旋转射流的运动特性的分析，研究了射流对"人造井壁"形成的影响；设计了水力工具，对侧向水力工具与钻头的水力能量分配关系进行了研究。

Experimental results indicate that the effect of air curtain to prevent smoke diffusion is remarkable as the volume ratio of air-smoke is about 0.6, the jet angle is between 25° and 35°, and the jet thickness is between 25 mm and 45 mm.

实验结果表明，当空气幕流量与烟气流量之比为0.6左右，空气幕射流厚度在25-45 mm且射流角度在25°-35°之间时，空气幕对烟气能起到很好的阻隔作用。

Ram jet : Air-breathing jet engine that operates with no major moving parts.

冲压式喷射发动机：工作时没有重要运动部件的一种喷射发动机。

The CFD method was applied to calculate and simulate the form and action process of the cavitation at the representative character of the cavitation erosion on the surface of the hydraulic turbines.Some argumentation was presented that micro jet impacted the wall with a certain degree when bubble collapsed with the result that the maximal strain of the wall annularly distributed the local of the boundary touching the micro jet.Cavitation was gradual to develop regionally at the mode of chain reaction and di...

针对水轮机叶片表面气蚀的典型特征，利用CFD方法进行仿真计算，模拟气蚀形成和作用过程；根据模拟计算结果提出了新观点：空泡溃灭发生微射流以一定的倾角冲击壁面，壁面材料产生的最大应变在流束边界局部区域，呈环状分布；空泡气蚀在局部区域是渐进的，以"连锁反应"形式扩展，具有一定过流环境的分布特征；典型的冲蚀缺陷形貌是空泡气蚀在不同阶段的产物。

Rem-Jet Backing: Antihalation backing used on certain films. Rem jet is softened and removed at the start of processing.

防光晕背面涂层：某些胶片上用的防光晕背面涂层，冲洗开始时可将这种涂层软化并除掉。

A self-preservation law of surface apophysis is found and a universal empirical formula is established. Finally, the jet and bubbly jet in flowing ambient are studyed by model and numerical test.

对流动环境中射流、掺气射流亦进行了类似于静止环境中的研究，不同的是给出了流动的转变条件和流速比对流动结构的影响。

Based on the model of round axial symmetry turbulent jet, three simplified categories of the mitral regurgitant jet were proposed.

通过Field II软件模拟了二尖瓣返流的各种情况，建立了相应的返流数学模型和返流评价标准。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？