火炮

Based on gun bore radial wear Δdmax as discrimination condition of barrel life the mathematical model for predicting melt-erosion of gun-barrel is established which is employed in analyzing factors affecting the life of gun such as material, gun powder,firing conditions and so on. It is pointed out that active cooling technology is an effective method for solving many problems concerned with heat transfer each time the gun is fired.

文中由身管寿命判别条件△d_建立了身管熔化烧蚀预测计算模型，从原理上对各种延缓烧蚀速度、提高身管寿命的措施，如采用内膛镀铬、使用冷火药和护膛剂等进行了阐述；同时基于该模型指出采用身管主动冷却技术是延长火炮身管寿命最有效的措施之一。

The theory of the two-stage propulsion technology, the process of the two-stage launching technology and the device in the gun chamber are discussed, and also the physics model in the chamber is raised in this paper.

文中介绍了二次发射技术的原理、发射过程和膛内装置，建立了火炮膛内装药物理模型。

The results showed that their initial low burning rate characteristics have obvious effect on controlling the pressure waves strength in gun chamber, and can greatly improve the interior ballistic adaptability under pressure endurance environments.

高能硝胺发射药起始缓燃特性具有抑制膛内压力波强度作用，可大大改善其在火炮膛内的受力环境及其应用中的内弹道适应性，对使用安全性都是有利的。

Based on the properties of ignition, combustion and interactions between Lp1846 droplts, some new idea about improving on design of regenerative liquid propellant gun interior ballistics is proposed, and a simplified model for the second crush and coalescence of droplet in regenerative liquid propellant gun chamber is also put forward.

根据LP1846液滴着火、燃烧及液滴间相互作用的规律，提出改进再生式液体发射药火炮内弹道设计的几点新的构想。

Behind the gun emplacement there is the town of Cortil-Noirmont.

在火炮阵地的后面就是科尔提勒-努瓦尔蒙镇。

The actual reason is that firing process of gun system is a dynamic process, and it needs to be analyzed with dynamic methods.

这是因为火炮的射击过程是一个动力学过程，需要采用动力学分析方法。

An improved expression of sensitivity analysis is provided, and the importance degrees of factors with different dimensions that influence firing stability of gun are compared.

通过引入相对灵敏度分析公式，解决了具有不同量纲的影响因素的比较难题，进而获得影响火炮射击稳定性的重要结构参数。

Both chassis had to be modified in order to mount heavy 128mm gun.

两个原形车均被改装用以安装重型128mm火炮。

Ausf H featured newly designed turret to mount 50mm gun with a single 30mm armor rear plate.

Ausf H重新设计了炮塔安装了50毫米的火炮，同时后部安有30毫米钢板。

An independent and portable auxiliary propulsion unit of gun takes small power engine as power supply.

独立轻便式辅助推炮装置利用小功率发动机为动力源，通过高效超大传速比减速，低速大扭矩输出动力直接驱动火炮车轮达到推炮的目的。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。