1) Muzzle Velocity
初速
1.
A new scheme of two-stage charge for the secondary propulsion in bore was proposed to increase the muzzle velocity of the projectile of large caliber automatic weapons.
提出一种采用双级装药进行膛内二次发射以提高弹丸初速的新技术,为提高大口径自动武器的初速提供了一条新思路,并建立了双级装药弹膛内二次发射内弹道模型,揭示了装填条件中弹丸质量配比、装药质量配比、延迟时间和预紧力约束等变化时对膛压和初速的影响规律。
2.
To increase the muzzle velocity of the projectile but not the maximum pressure in bore,a new scheme of two-stage charge for the second propulsion in bore for large caliber weapons is introduced.
提出一种采用双级装药进行膛内二次发射以提高弹丸初速而不增大最大膛压的新技术,设计了双级装药弹的结构,为提高大口径身管武器的初速提供了一种新思路。
3.
The Barrel life of Cannon is assessed by the rate of the muzzle velocity of pill to the standard velocity.
通过用火炮外弹道测量的初速与标准初速的比率来评定火炮身管寿命。
2) initial velocity
初速
1.
To improve a kind of JYJ-90 skyscreens which is applied to measure the initial velocity,based on the principle of the apparatus which forming a sensor wall on the sky called skyscreens,by using of photoelectronical testing techniques,the paper introduces the method to sense the initial velocity of bullets.
为改进一套JY J-90型天幕靶用于测试XX产品弹丸的飞行速度,以光电转换原理为基础,采用光电子技术形成弹丸空间坐标的无形光幕,同时由光电传感器与多路测试仪结合测每发弹的初速,全部数据由计算机采集和处理。
2.
To insure the uniformity of the initial velocity of self-unit single-base propellant charge at low temperature,it is necessary to control the consistency of external volatiles.
为确保某独立单元单基装药低温初速的一致性,必须对外挥的一致性进行调控。
3.
Comparison studies of the initial velocity, bore pressure and the leavings after shooting of double-base ball propellant with that of D25 propellant were made by firing tests.
分析比较了双基球形药与1325发射药在初速、膛压以及射击后残渣情况结果说明,双基球形药比D25发射药具有更好的弹道性能、射击功能和安全可靠性。
3) initial velocity
破片初速
1.
The results show that adiabatic shear sensitivity falls,and cylinder expansion velocity and initial velocity of fragment increase with increasing of tungsten content on the experimental condition.
结果表明,试验条件下,随着钨含量的增加合金绝热剪切敏感性降低,圆筒膨胀速度增加,破片初速增大;合金的抗剪强度增大,能抑制因内壁剪切裂纹萌生和扩展而产生的卸载,有利于圆筒均匀塑性变形,使得钨合金破片初速增大。
2.
Stresses of the in-explosive cylinder were analyzed,compound criteria for determinating the fracture radius was put forward to calculate the initial velocity of cylinder fragment.
分析内爆炸圆管膨胀破碎过程的应力,提出确定内爆炸圆管断裂半径的复合判据,从理论上预测不同材料圆管的破片初速度。
5) initial velocity
初始速度
1.
The effects of number and size of elements in the contact area in the steady stage of a rolling process as well as the initial velocity of the plate on the finite element analysis were analyzed and reasonable simulation parameters in a rolling process with FEM were attained, which was used to analyze the rolling force regularity of medium plat rolling in one steel work.
分析了轧制过程稳定阶段接触区中厚板单元数、轧辊单元尺寸以及中厚板初始速度选择对有限元分析计算结果的影响, 得出了合理的轧制过程有限元模拟参数, 并对某中厚板厂15道次轧制过程轧制力变化规律进行了分析, 稳定阶段轧制力计算结果与实测结果非常接近。
2.
The program indicates that the initial velocity is a variable.
根据Ｂｒｉｄｇｍａｎ 法生长ＨｇＣｄＴｅ 晶体过程中溶质ＣｄＴｅ 的分布规律，推导了缩短初始过渡区长度、增加组分稳定区长度的最佳初速度表达式，从式中可看出：初始速度为一变数。
3.
Resorting to Runge-kutta method to solve the simply supported axial pre-statically loaded bar s buckling impulse under the half-sin impact load, this paper is to probe into the relationship between buckling impulse, and pre-static load, impact load, initial deflection, initial velocity respectively.
运用龙格 -库塔方法求解两端简支的轴向预静载杆在半正弦冲击载荷作用下的屈曲载荷 ,分析屈曲载荷与静预载 ,冲击载荷 ,初始几何缺陷 ,初始速度之间的关
6) initial flow velocity
初始流速
补充资料：初速
初速——弹头脱离枪(炮)口瞬间的运动速度。相同的弹头，初速大的，射程远，侵彻力大，反之则小。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条