1.
The Expansions of Conservation Laws and Symmetries for a PDE(s) and Applications of Differential Form Wu s Method;
偏微分方程（组）对称和守恒律的扩充及微分形式吴方法的应用
2.
Space-time symmetries and conserved quantity in classical physics;
经典物理学中的时空对称性和守恒量
3.
principle of the conservation of molecularorbital symmetry
分子轨道对称守恒原理
4.
KEY WORDS: time and space translation symmetry; time reversal symmetry; conservation law; symmetry breaking.
关键词：时间和空间平移对称性；时间反演对称性；守恒律；对称破缺。
5.
With a simple symmetrical electromagnetic field, the law of conservation of momentum and the law of conservation of angular momentum for electromagnetic field and charges system are investigated.
利用简单对称性的电磁场,讨论了场和电荷系统遵从的动量守恒、量矩守恒定律.
6.
Effects of Equivalent Transformations of Lagrange Functions on Symmetries and Conserved Quantities of Mechanics Systems
Lagrange函数等效变换对力学系统对称性和守恒量的影响
7.
Lie symmetries and conserved quantities of relativistic holonomic nonconservative mechanical systems;
相对论完整非保守系统的Lie对称性与守恒量
8.
Structural Equation and Mei Conserved Quantity of Mei Symmetry for Appell Equations in Chetaev Nonholonomic Systems
Chetaev型非完整系统Appell方程Mei对称性的结构方程和Mei守恒量
9.
Structural equation and Mei conserved quantity of Mei symmetry for Appell equations in holonomic systems
完整系统Appell方程Mei对称性的结构方程和Mei守恒量
10.
Symmetries and Non-Noether Conserved Quntities of Systems with Unilateral Constraints;
单面约束系统的对称性与非Noether守恒量
11.
Mei Symmetry and Mei Conserved Quantity for Constrained Mechanical Systems
约束力学系统的Mei对称性与Mei守恒量
12.
THE CONSERVED QUANTITY AND SYMMETRY OF PERTURBED KEPLER SYSTEM
微扰Kepler系统的守恒量与对称性
13.
Birkhoff symmetries and conserved quantities of generalized Birkhoffian systems
广义Birkhoff系统的Birkhoff对称性与守恒量
14.
Parity Non-conservation:Experiment Refute Decisively Theory
宇称不守恒——实验对理论的判决性反驳
15.
Lie symmetries and consered quantties of relativistic variable mass sys tem;
相对论性变质量系统的Lie对称性与守恒量
16.
The Symmetry Conservation Tensor and Euler Angles of the Isotropic Three - dimensional Harmonic Oscillator
三维各向同性谐振子的对称守恒张量与欧勒角
17.
Investigation of Some Problems about the Symmetry and Conserved Quantity of Dynamical Systems;
动力学系统对称性与守恒量若干问题的研究
18.
Unified Symmetry for the Mechanical Systems in Phase Space;
相空间中力学系统的统一对称性与守恒量研究