栓

The flow field of the variable thrust motor nozzle with pintle was numerically simulated,and the throat pintle contour was optimized.

1引言对喉栓式推力可调固体火箭发动机内流场进行模拟，能直观了解TCSRM内部的工作情况。

The main contents and results are included as following:The main influence factors on thrust adjusting character of pintle motor were sumarized. The influence of burning rate exponent and throat diameter on thrust was analysed and the relationship between pressure and thrust ratio of pintle motor was obtained.

本文研究内容及主要成果如下：(1)从理论上分析了喉栓变推力发动机推力调节特性的主要影响因素，揭示了推进剂压力指数和喷管喉部面积变化对推力调节特性的影响规律，给出了压力调节比和推力调节比之间的转变关系。

Either of the two main stops on a pipe organ.

在管风琴上的两个主音栓的任何一个。

Provision Hatch and Engine Sparepart Hatch 干粮库和发电机备件舱 One (1) watertight hatch for provision handling 1,400 mm x 1,200 mm to be arranged on poop deck of deck house.

在甲板室的艉楼甲板应布置有1只尺寸为1400mm×1200mm的水密舱口用于干粮的操作，舱口围的高度为900mm，铰链式舱口盖带有氯丁橡胶垫片和肘节栓。

Objective To study the changes of liver blood flow before and after portal vein thrombusof hepatocellular carcinoma.

目的 研究原发性肝癌合并门静脉癌栓时门静脉和肝动脉的超声表现和血流动力学变化。

Methods: All patients with cerebral infarction who did not receive thrombolytic treatment were included. Preadmission use of warfarin was registered.

所有被纳入本研究的患者均为未使用溶栓治疗的脑梗塞患者。

An acceptable repair to elongated mounting holes is to drill out the damaged area and press fit an appropriate steel sleeve.

变长的固定栓孔的修复方法是钻透毁坏的地方并奈压入安装适当的钢套筒。

To remove the vascular access thrombus by using the Fogarty catheter could get a satisfied results which can reserv the same vascular access and prolonge the vascular access life.

Fogarty取栓导管处理动静脉内瘘血栓形成，效果令人满意，尤其是有利于保存患者的原瘘管血管，延长瘘管使用寿命。

It is a pseudolove that cements one person to another in such a way that he or she is not given room to grow.

把一个人和另外一个人栓在一起，而不给予他发展的空间，这是虚伪的爱。

It is a pseudolove that cements one person to another in

把一个人和另外一个人栓在一起，而不给予他发展的空间，这是虚伪的爱。

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢？

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我，一个心中布满虚荣的女孩子真实的想法。