为提高热声发动机的热力性能，采用氦-氩混合工质对一台驻波型热声发动机进行了无负荷工况的试验研究。
To enhance the performance of a thermoacoustic prime mover, a series of experiments were conducted by using He-Ar mixture as working fluid.
从三能级原子的主方程出发，给出了能级近似等间距梯型三能级原子在单色驻波场中所受偶极力的稳态解，并进行了数值计算作图分析了偶极力，能级布居率随失谐量，光场幅度和空间的变化。
The dipole forces steady solution of a ladder-type three-level atom of nearly equispaced energy level driven by a standing wave is derived from the atomic master equation.
从三能级原子的主方程出发，给出了能级近似等间距梯型三能级原子在单色驻波场中所受偶极力的稳态解，并进行了数值计算作图分析了偶极力，能级布居率随失谐量，光场幅度和空间的变化。
The dipole forces steady solution of a ladder-type three-level atom of nearly equispaced energy level driven by a standing wave is derived from the atomic master equation.
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