查询词典 jet flow

The 9040 continuous ink jet printer can be used with single-jet and bi-jet printheads, three different printhead resolutions, several umbilical lengths, enhanced connectivity, and a selection of inks.

连续的9040喷墨打印机可用于单喷和双喷打印头，打印头三个不同的决议，几个脐长度，增强连接，以及可供选择的墨水。

Jet aircraft, including the vortex theory of jet and fan jet vortex.

喷气式飞机，包括涡论喷气式和涡论风扇喷气式飞机。

In the future, some issues need to be investigated further, which include: establish and study the low-dimensional dynamical system of turbulent jet, with the POD bases, the control of turbulent jet based on the low-dimensional dynamical system of turbulent jet, investigate the physics mechanism of intermittence shed-off of the vortex ring in turbulent jets in crossflow.

有待进一步研究的问题是：建立基于POD模的湍流射流低维动力系统，并对其进行分析；研究基于湍流射流低维动力系统的湍流射流控制；探讨湍流横向射流中涡环间歇脱落的物理机制。

In this paper, two kinds of material model were introduced, based on the same condition, such as explosive, liner structure, Johnson-Cook and Steinberg model were selected for liner. The process of shaped charge jet penetration into target was simulated using ANSYS/LS-DYNA, the results compared and showed that these two kinds of model can simulate the form and penetration process of the jet accurately, and the top velocity of the jet head were almost the same.

本文介绍了两种材料模型，在炸药、药型罩结构等条件相同的情况下，药型罩选择Johnson-Cook与Steinberg两种材料模型，利用ANSYS/LS-DYNA软件对聚能射流侵彻靶板进行模拟仿真，对比仿真结果，得出两种模型都能很好的模拟射流的形成及侵彻过程，且各时刻射流头部最高速度差值很小。

The actual production needs from oil field,aimed at tractor hoist that need replace pipe string and outside slippery jet pump that isn′t satisfied with discharge fracturing quickly in reality,a new type of jet pump inside sleeve type of jet pump is designed.

针对外滑套式射流泵在油田应用中不能满足压裂后快速排液的现况，研制出了一种新型的内滑套式射流泵，并提出了射流泵、喉嘴距、喉管长度、扩散管角度及长度的计算公式。

The working principle, system composition and function of EG steam jet pump was introduced, and the energy saving effect and advantages of EG steam jet pump comparing with the existing water steam jet vacuum pump were analyzed.

介绍了乙二醇蒸气喷射泵的工作原理、系统的组成及作用，分析了乙二醇蒸气喷射泵与原有水蒸汽喷射真空泵相比的节能效果和优点。

This paper focused typical sand jet fracturing used in foreign countries and introduced in detail the development of jet structure and connection and its application procedures. The application of two typical sand jet fracturing tools was introduced.

着重介绍了目前国外典型的水力喷砂压裂工具，阐明了国外喷射器结构及其连接方式的发展，国外所使用两种典型工具的结构、作用及其操作步骤，并对这两种井下水力喷砂压裂工具的应用进行了介绍，说明了其适用性。

A typical domestic sand jet fracturing tool is introduced. The basic structure of jet was introduced. The field applications indicate that sand jet fracturing is effective in improving production.

并对国内所使用的典型水力喷砂压裂工具进行了介绍，给出了工具中关键部件喷射器的基本结构，并联系国内现场实际的应用情况，说明了水力喷砂压裂是一种有效的增产技术措施。

"I did not expect the jet in M87 or any other jet powered by accretion onto a black hole to increase in brightness in the way that this jet does," says astronomer Juan Madrid of McMaster University in Hamilton, Ontario, who conducted the Hubble study.

&我无法预测M87核心喷流或者其他由黑洞补充的喷流的增亮行为&，哈勃研究专家组带头人、加拿大安大略省哈密尔顿市麦克马斯特大学的天文学家胡安。

Comparison between the stress of swirling and common jet nozzle tells that the former maximum stress is far larger that the latter. It can explain that the wear of swirling jet nozzle is more severe than common jet nozzle. The way how various parameters effect the wear of the nozzle is carefully studied in the article.

对比了旋转磨料射流喷嘴和普通磨料射流喷嘴的应力情况，结果表明：前者的最大应力远大于后者，这可以很好地解释旋转磨料射流喷嘴比普通射流喷嘴磨损严重的现象。

Some questions asked by the adjudicators in one English Speaking Contest still run upon me very often.

我参加了一场以"我心中的奥运会"为主题的英语演讲竞赛，其间评判提的几个问题时时萦绕我的心头。

He called InTERActive our most profitable release of the year.

他呼吁互动的我们的最有利可图的释放一年。