火箭发动机

A soft, steel-gray to black, hexagonally crystallized allotrope of carbon with a metallic luster and a greasy feel, used in lead pencils, lubricants, paints, and coatings, that is fabricated into a variety of forms such as molds, bricks, electrodes, crucibles, and rocket nozzles.

石墨一种质软、钢灰黑色、有金属光泽和滑腻感的碳的六方晶形的同素异构体，用于铅笔、滑润剂、颜料和涂层，可被制成多种形状，如模子、砖块、电极、坩埚和火箭发动机喷管

A soft,steel - gray to black,hexagonally crystallized allotrope of carbon with a metallic luster and a greasy feel,used in lead pencils,lubricants,paints,and coatings,that is fabricated into a variety of forms such as molds,bricks,electrodes,crucibles,and rocket nozzle s.

石墨一种质软、钢灰黑色、有金属光泽和滑腻感的碳的六方晶形的同素异构体，用于铅笔、滑润剂、颜料和涂层，可被制成多种形状，如模子、砖块、电极、坩埚和火箭发动机喷管

The review deals with the effects of solid propellant during production and application on the environments and the antipollution techniques by careful selection of propellant ingredients or development of clean propellants.

综述了固体推进剂及火箭发动机在生产和使用过程中产生的污染以及改进措施。

The result is of significance to the design and manufacture of regenerative cooled channels with high aspect ratio.

结果对液体火箭发动机大高宽比再生冷却通道的设计和制造具有参考价值。

Based on the chemical equilibrium flow assumption, the electron density at the exit of the nozzle is determined using the minimum free energy rule. A numerical model based on auxiliary difference equation is derived to simulate the plasma in the time domain and the calculating results are compared with that using Z transform.

以化学平衡流动为前提，采用最小自由能方法确定火箭发动机喷口处的电子密度；验证了基于辅助差分方程和Z变换方法对羽流电磁特性进行时域建模的正确性。

This paper lays a solid foundation to study internal ballistics problem of spinning solid rocket motor in the future.

为今后进一步研究旋转固体火箭发动机的内弹道问题打下了必要的基础。

Of the "Buran" torpedo rocket engine is used in the generation of large amounts of torpedo head of the bubble hole, made torpedo hole was completely surrounded and water resistance greatly reduced, so as to achieve high speed.

当年的"暴风雪"鱼雷就是利用火箭发动机在鱼雷头部生成大量的气泡空穴，使得鱼雷完全被空穴包围，水的阻力大大减小，从而达到极高的航速。

Nozzle is one of the most important components used in SRM. The nozzle is subjected to the cautery and concussion of the heat gas, so the thermal effect and related thermal-structure couple effect to the nozzle structure become the important factor affecting the load carrying capability of the nozzle. Well, the following investigation contents are accomplished in this paper.

喷管是固体火箭发动机关键部件之一，喷管在工作过程中承受着高温燃气的烧蚀和冲刷，所产生的热效应和由此带来的热—结构耦合效应已经成为喷管强度和稳定工作必须考虑的重要因素。

Conventional thermodynamic calculation always can not achieve convergence for coagulum. In this article, this problem is well resolved through thermodynamic calculation including coagulum.

凝相物质相变过程用传统热力计算方法计算常常不收敛，本文研究了计及凝相相变过程的固体火箭发动机热力计算理论和方法，较好地解决了这一问题。

Jet vane is a way of achieving thrust vector control. However, solid rocket motors in the wake of the jet vane work will inevitably cause a degree of thrust loss, this will lead to decline SRM performance and shorten missile range.

燃气舵是实现推力矢量控制的一种方式，但在固体火箭发动机尾流工作中的燃气舵不可避免的造成一定程度的推力损失，导致发动机性能下降和导弹射程减小。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。