正氢和仲氢是分子氢的两种自旋异构体，这种异构现象是由于两个氢原子的核自旋有两种可能的偶合而引起的。
该文就热力学统计物理教材中仲氢分子配分函数的表达式提出了不同看法，并给出了修改建议。
In this article, a different view and suggestion are given about hydrogen molecular partition function in teaching material of the thermodynamics and statistical physics.
采用光散射技术，促使氢分子产生转动跃迁，得到正氢和仲氢的转动拉曼光谱，其峰位为587。
By using light scattering technique, the transition of rotating energy levels from hydrogen molecular occurs and produced rotating Raman bands for orthohydrogen and parahydrogen are at 587.
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