查询词典 planetary electron

Research has been done on the coupling form between the two-row planetary gear train and the shift restriction based on the matrix,and then the method of establishing mathematics model has been presented to analyze the planetary gear transmission using MATLAB.

在设计自动变速器时，总体结构方案主要由行星齿轮变速机构确定，因此，研究行星齿轮机构传动方案的结构特征，对其所有可能的方案进行分析，是理想的设计途径。

It was researched into the coupling form between three-row planetary gear train and shift restriction based on the matrix, and then the method of establishing mathematics model was presented for to analyze the planetary gear transmission by using MATLAB.

基于矩阵理论对行星齿轮变速机构的行星排之间联结、换档约束进行研究，提出用联结矩阵的组合形式建立三排行星机构传动型谱的概念，分析其所有可能的传动结构型式。

It was researched into the coupling form between three-row planetary gear train and shift restriction based on the matrix, and then the method of establishing mathematics model was presented for to analyze the planetary gear transmission by using MATLAB.

摘要基于矩阵理论对行星齿轮变速机构的行星排之间联结、换档约束进行研究，提出用联结矩阵的组合形式建立三排行星机构传动型谱的概念，分析其所有可能的传动结构型式。

Compared four-roll planetary rolling with three-roll planetary rolling, the rolling speed is faster and the deformation of tube is more uniform, higher efficiency and better quality will be gained as a result.

与三辊行星轧机相比，采用四辊行星轧机轧制铜管的轧制速度更快，可以大大提高生产效率；而且管坯变形更均匀，轧出的产品质量更好。

Compared with the three-roll planetary rolling process, the bending stress of the tube decreases greatly during the four-roll planetary rolling process, reducing the possibility of the generation of cracks.

与三辊行星轧制相比，四辊行星轧制管坯的反复弯曲应力显著减小，进而大大减小了在管坯表面形成裂纹的可能性。

In the event of overload caused by stubborn to move product, the "booster" will automatically stop both screw rotation and planetary motion and cause a secondary hydraulic cylinder (applying 10 to 15 times normal torque) to ratchet the screw around until the obstruction has been removed after which normal rotary and planetary motion will automatically restart.

在超载情形下由倔强造成移动产品，&助推器&意志自动地停止螺丝自转和星球运动和导致次要液压缸(申请10 到15 次正常扭矩) ratchet 螺丝直到阻碍被去除了在之后正常转台式和星球运动自动地将重新开始。

Planetary assembly consists of the planetary gears and the drive sun gear which spline connected with the axle shaft.

太阳轮为主动件，和半轴以花键连接。

The plasma density scale length decided by main laser pulse in the experiment is suitable for Vacuum Heating, and it is the domiant process for hot electron generation. From the scaling law about hot electron temperature given by VH model, the hot electron measured by experiment was reasonable, the temperature was higher than the temperature given by Rcsonant Absorption scaling law.

从真空吸收给出的超热电子温度的定标率来看，实验中测量得到的超热电子温度是合理的。X射线是各向同性的，X射线产额随入射激光强度的降低而减小，当强度小于10〓W/cm〓时，不再有硬X射线产生。

Unfortunately, it has been shownthat these methods are not suitable to study about chemical bonds due to not involvingchemical bonds. In order to consider chemical bonds obviously, we have proposed an atom-bondelectronegativity equalization model on the basis of density-functionaltheory and electronegativity equalization principle. The main contents of our atom-bond electronegativity equalization model contain:(1)Considering the fact that there are varies of chemical bonds in molecules andpartitioning the molecular electron density as summations of atomic electron densitiesand chemical bond's electron densities, we obtained the basic equations of atom-bondelectronegativity equalization model: the expression of the total energy 〓, theexpression of the atom electronegativity 〓 and the expression of the bondelectronegativity 〓.

为了明确地考虑和处理分子中存在的化学键，以便能够更好地描述体系中的电荷分布进而准确地描述分子体系中的有关物理化学性质，尤其是与化学键有关的物理化学性质，我们在密度泛函理论和电负性均衡原理基础上提出了原子-键电负性均衡模型，原子-键电负性均衡模型的主要内容是：(1)考虑到分子体系中存在各种化学键这个事实，将分子空间看成是由原子区和化学键区组成的，将分子的单电子密度表达成为分子中各组成原子的单电子密度和各化学键的单电子密度的加和，从而得到了原子-键电负性均衡模型的基本方程：分子体系总能量〓和分子中原子电负性〓和化学键电负性〓表达式。

It includes barbette electron parts, bodywork electron parts, vehicle and gun of aim tool, ballistic trajectory computer, orientation navigation systems, vehicle information systems, vehicle integration display, transmitter-receiver, automatic shot flexible, initiative recovery and confront system, many complicated simulation and number electron equipment. In this paper it adopts Ethernet as fieldbus.

论文中涉及到的坦克及装甲车辆武器系统是个复杂的武器系统，包括了炮塔电子部件、车体电子部件、车长和炮长的瞄具、弹道计算机、定位导航系统、车际信息系统、车长综合显示器、电台、自动装弹机以及主动防御与对抗系统在内的大大小小的复杂的模拟或数字电子设备。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。