The relations of the ground state energy with the coefficient of dispersion, strength and magnetic field strength are derived by using linear-combination operator and unitary transformation method.

采用线性组合算符和幺正变换的方法，得出极化子基态能量与色散系数、耦合强度以及磁场强度之间的关系。

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The energy -interaction model of solid phase transformation in an ultrasonic field is established and the experimental phenomenon is explained.

建立超声场中固态相变的能量作用模型，并解释实验现象。

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Different combinations of PDC drilling bits hydraulic parameters are comprehensively reflected by flow field energy transformation at oil well bottoms.

针对实际PD C钻头建立了不同的流场计算模型，比较分析了流场能量的变化规律。

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