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- This paper presents a generalized Bertrand's theorem for mechanical variable mass systems with linear second order non-holonomio constraints, deter mining the applied forces to the systems above when one of its first integrals is given. 本文给出了变质量二阶线性非完整力学系统的广义Bertrand定理：已知上述系统的一个第一积分可确定作用在该系统上的力。
- RELATIVISTIC EQUATIONS OF MOTION FOR THE VARIABLE MASS SYSTEM IN THE NONLINEAR NONHOLONOMIC SPACE 非线性非完整空间变质量系统相对论性基本动力学方程
- Lie symmetries and conserved quantities of relativistic rotational variable mass system 相对论转动变质量系统的Lie对称性与守恒量
- The Equations of Motion for Non-holonomic Variable Mass Systems and their Application to a Control System 变质量非完整系统运动方程及其对控制系统的应用
- Lie Symmetries and Conserved Quantities of Holonomic Variable Mass Systems 变质量完整力学系统的Lie对称与守恒量
- variable mass system mechanics 变质量系统力学
- The steam/nitrogen vulcanization of tire was theoretically analyzed by variable mass thermodynamics system. 应用变质量系统热力学理论分析轮胎蒸汽/氮气硫化过程。
- A GENERALIZED BERTRAND'S THEOREM FOR VARIABLE MASS SYSTEMS WITH LINEAR SECOND ORDER NON-HOLONOMIC CONSTRAINTS 变质量二阶线性非完整系统的广义Bertrand定理
- Enhance the mass system, increase the competition ability of the escutcheon. 强化质量体系，提高名牌的竞争力。
- Variable mass system 变质量系统
- The invention provides a mass system deployment device which comprises a distribution module and a reception module. 本发明提供一种批量系统部署装置，包括分发模块和接收模块；
- The company passes Chinese mass attestation centre (CQC) ISO9001: 2000 mass system attestation on March , 2003. 公司于2003年3月通过中国质量认证中心（CQC）ISO9001：2000质量体系认证。
- The secular influence of solar mass-loss on the orbital elements of meteor steams is examined by using the method of celestial mechanics of variable mass in this paper. 将作者在变质量天体力学所得理论结果应用于太阳质量损失对流星群轨道根数变化的长期效应上。
- Discusses the dynamic theorem of mass system relative to centre of mass moving in a plane. 论述了质点系相对于随质心一起作平动的座标系的动力学规律。
- Based on the principle of a varied mass system, the non-linear mathematical model of the crop mechanics for an axial threshing process was set up. 运用变质量系统的基本原理，建立轴流脱粒过程中谷物运动的非线性动力学模型。
- Abstract: Based on the principle of a varied mass system, the non-linear mathematical model of the crop mechanics for an axial threshing process was set up. 文摘:运用变质量系统的基本原理，建立轴流脱粒过程中谷物运动的非线性动力学模型。
- The research on variable mass flowing law in horizontal wellbore is the basis of the productivity prediction, horizontal length selection and completion design optimization of horizontal well. 水平井筒变质量流动规律的研究是水平井产能预测、水平井水平段长度优选以及水平井完井设计优化等的基础。
- Helical spring mass system (HSMS) is widely used in almost all of mechanical and electrical products due to its structure feature and elastic buffer ability. 螺旋弹簧质量系统由于其结构特点及其缓冲作用在几乎所有机电设备和系统中都有广泛的应用。
- In this paper,the internal energy and heat of the polytropic process,the adiabatic process and the isothermal processes of the varying mass system are discussed. 讨论了变质量系统的多方过程、绝热过程及等温过程的能量关系,并与常质量系统的多方过程、绝热过程及等温过程的性质进行了比较。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
