初速
- initial velocity;commencing speed
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[initial velocity] 物理学上指运动的物体在一个运动过程中开始时的速度
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登月轨道初速及飞行时间限制;
The limits of initial velocity and flight time of landing moon orbit ;
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脉冲运用下的电子初速分布;
Electron initial velocity distribution in pulse operation ;
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建立火控弹道的数学模型,运用MATLAB软件对该数学模型进行计算分析,得出了弹丸射程与转数之间的关系,以及弹丸初速、射角变化对转数和射程关系的影响。
A fire-control ballistic mathematical model to study the relation between range and revolution of projectile was established and evaluated based on the software of MATLAB .
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提出了一种速度衰减系数α可预先确定的测量全预制和半预制破片群初速v_0的电探针方法。
An electric probe measurement technique of the initial velocities for both preformed and fireformed fragment groupe with velocity attenuation coefficient (α) determined previously is presented .
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基于Gurney假设的一种非对称型战斗部破片初速计算
Calculation of First Velocity of the Unsymmetrical Warhead ' Fragment Based on Gurney Hypothesis
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系统选用AVR嵌入式器件为核心控制器件,实现着靶初速查表算法和侵彻行程计算实时快速算法;数字逻辑部分由CPLD集成,实现了系统的微小化和低功耗。
The whole system selected embedded AVR to be the core controller , adopted CPLD to integrate the digital part logic , achieved microminiaturization and lower consumption .
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同样,在Ca2+释放动力学实验中,不同浓度的K+调控了由NADH诱导的Ca2+释放初速率。
The initial rates of Ca ~ 2 + release were also modulated by different concentrations of K ~ + .
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通过二级轻气炮发射方式、激光无阻测量方法测量了不同材料、不同直径的球形破片在不同初速条件下长距离(最大距离达120m)飞行时的速度衰减规律。
Using two-stage light gas gun and laser technique for velocity measurement , we studied the long-distance flight performances of spherical fragments with different materials and different diameters .
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目的:研究对氨基苯甲酸酯同系物与大鼠肝微粒体形成细胞色素P450(P450)代谢中间体络合物(P450-MI)的初速率和分子轨道指数的相关性。
Objective : To study the correlations between the initial formation velocities ( v ) of the cytochrome P 450 ( P 450 ) metabolic intermediate complex of p aminobenzoates with rat hepatic microsomes and their molecular orbital indexes .
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在研究IS-RPB转速和撞击流初速对萃取级效率影响的基础上,确定了最适宜操作条件。
Based on the studies of the effects of main parameters on mass transfer stage efficiency , the optimal operating factors were obtained .
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QLZ87式和美国MK19-3型40毫米自动枪榴弹发射器相比,QLZ87式在射程、初速和射速方面较差。
Compared to the U.S.MK19-340mm automatic grenade launcher , the QLZ87 is inferior in range , muzzle velocity , and rate of fire .
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实验表明,生产优质涤纶FDY的合理工艺为:纺丝初速3000~3200m/min、后拉伸倍数1.5~1.6、热定型温度140~150℃。
The experiments show that the rational process to produce high quality polyester FDY is : spinning speed : 3000 ~ 3200m / min , after drawing ratio : 1.5 ~ 1.6 , heat setting temperature : 140 ~ 150 ℃ .
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研究结果表明:在中心线起爆与端面起爆方式下的MEFP均能形成初速大、攻角小、气动性能良好的EFP。
The result indicates that it have the high elementary invite 、 the small angle of attack and well pneumatic steady shape of EFP in the MEFP warhead with the centre line detonation and the plane detonation .
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结果表明,在正己酸的初始浓度C0HA较小时,反应初速率V0随正己酸浓度增大而增大,但随正丁醇表观浓度增大而减小;
The result shows that the initial rate V 0 of the esterification reaction increases as hexanoic acid concentration increases or as n-butanol concentration decreases , when the initial concentration of hexanoic acid is small ;
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针对一种特定的非对称型战斗部,利用Gurney假设推导出破片平均初速计算式,计算结果有一定的准确度,表明一定条件下Gurney假设仍可适用于非对称型战斗部的工程实践中。
The paper aims at an especial unsymmetrical warhead , educes calculated expressions of average first velocity of fragment using Gurney hypothesis , the result has some veracity , indicates that Gurney hypothesis is the same with the unsymmetrical warhead in practice .
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醇结构对MIECC有影响,在反应初速率及平衡产率方面均遵循伯醇>仲醇>叔醇的规律。
The structure of amyl alcohol affects both the initial reaction rate and the ultimate yield of amyl n caprylate in the following sequence : primary alcohol > secondary alcohol > tertiary alcohol .
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悬浮液界面沉降初速影响因素的研究
Study on factors affecting the initial setting velocity of suspension interface
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内外弹道设计中的初速概率误差分析
Error analysis of initial velocity on internal and external ballistic design
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频率-初速测桩法的应用与提高
The application and improvement of the frequency-initial velocity pile measurement method
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测量转管炮炮口初速的一种新方法
A New Method for Measuring the Muzzle Velocity of Multi-barrel Rotary Gun
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破片群初速的电探针测量法
Electric probe measurement technique of the initial velocities for fragments
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初速或然误差模拟公式的试验验证
Experimental Verification of the Formulas for the Statistic Deviation of Muzzle Velocity
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实用热阴极的电子初速分布的研究
Research on electron initial velocity distribution of practical THERMIONIC CATHODES
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火药性能对膛压及初速的影响研究
The Research on Propellant Performance Effect To Chamber Press and Initial Velocity
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弹丸初速膛口激光实时测量系统研究
Study on the laser system for real-time measuring the muzzle velocity of projectile
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激光实时测量炮口初速技术研究
Study on Laser Real-time Measurement of Projectile Muzzle Velocity
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枪弹初速激光测试系统方案设计
Study on laser measurement system of bullet muzzle velocity
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由炮膛磨损规律确定火炮初速减退量
Determination of Muzzle Velocity Loss by Law of Bore Wear a certain liveliness
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势能增加的相反方向,如果在这里零初速。
The force is always in the direction opposite to increasing potential energy .
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光纤布拉格光栅应变传感器炮口初速测试技术研究
Research on Technic of Measuring Muzzle Velocity Using Fiber Bragg Grating Strain Sensors