喷流

We show that the burst is powered by the same relativistic fireball mechanism as long GRBs, with the ejecta possibly collimated in jets, but that the total energy release is 10–1,000 times smaller.

我们发现爆发作为一个长时间的 GRBs是相当强大的如相对论机制的火球机械，理由是我们对喷射流中的喷出物进行了可能地校准，确定总能量释放是 10 – 1，000 倍比较小的爆发。

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In addition, investigation on the nozzle was taken in this article because it is a key part in spouted fluidized granulator.

气流雾化喷嘴是喷动流化造粒装置的主要部件。因此，本文对气流雾化喷嘴作了一些实验研究，以供参考。

Based on the former works by our group, the variable induction devices including swirl and tumble variable devices were developed and the variable induction and twice injection were combined to optimize the lean burn combustion and improve fuel consumption and emissions in this thesis.

本文在课题组前面研究工作的基础上，设计了可变涡流与可变滚流两种滑动式可变进气结构，并将可变进气与二次喷油结合起来优化稀薄燃烧过程，改进发动机经济性与排放性能。

The influences of reservoir pressure and pulse duration on instantaneous velocity are investigated.

在由 3根陶瓷滤管组成的实验装置上，利用热线风速仪对脉冲反吹时滤管外瞬态流场进行了测定，分析了喷吹压力和脉冲宽度对滤管外流场的影响。

Once or twice of a night we would see a steamboat slipping along in the dark, and now and then she would belch a whole world of sparks up out of her chimbleys, and they would rain down in the river and look awful pretty; then she would turn a corner and her lights would wink out and her powwow shut off and leave the river still again; and by and by her waves would get to us, a long time after she was gone, and joggle the raft a bit, and after that you wouldn't hear nothing for you couldn't tell how long, except maybe frogs or something.

每天晚上，我们总有一两回看到一只轮船轻手轻脚在暗地里溜过去，从烟囱里喷出一大簇火花来，象雨点般地落在水面上，煞是好看。然后它拐过一个弯，灯不亮了，吵闹声停下来了，留下的是一片寂静的大河。轮船卷起的水浪，在它开走以后好久才流到我们的面前，把木筏轻轻摇动几下。在这以后，你耳朵里一片寂然，有好长好长一段时间里一片寂然，只是偶然传来青蛙的叫声。

Calculation method of flow force and linear model of differential pressure control system are established.

解析和使用伺服阀时，从喷嘴喷出到挡板上的气体流体力相对作用力较小，常被忽略。

Methods 13 patients with rhinopolypus were treated by fluticasone. The expression of PKC and the apoptosis of eosinophlis before and after treatment were detected by flow cytometry, and the normal membrane of nosepiece in 7 healthy subjects was used as control.

13例鼻息肉患者给予丙酸氟替卡松喷鼻治疗，采用流式细胞术检测激素治疗前后鼻息肉组织中蛋白激酶C表达及凋亡的嗜酸粒细胞，并与7例健康正常人下鼻甲黏膜进行比较。

Apply Genetic Algorithm and CFD technology, in this paper,to calculate the main parameter of WPC96's waterjet propulsor and simulate the flow of the water in waterjet inlet.In addition,analyze the factors that can affect waterjet system efficiency, such as K ,mostly geometry parameters,IVR.

在此基础上运用MATLAB遗传算法和CFD软件——FLUENT对喷水推进器主要参数优化计算以及进水管流场数值模拟进行了研究，并针对影响喷水推进器进水管系统效率的主要参数(如进水速比IVR、喷速比等)进行了分析。

This will make a new approach to research complex and fine structure of flow field inside propulsion, including Interaction between rotor and stator or ship and propulsion, tip clearance-flow and cavitation.

随后，本文针对轴对称体与泵喷推进器组合体的复杂流场进行了数值计算，通过与相近的试验结果的宏观量的对比和分析，表明数值结果具有较好的规律性和合理性。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。