Application of the interference angle of the air - drains of motors in maintenances of the air - drains
2.
The principle results obtained in this ph . d thesis are that we firstly derived the method of calculating interference angle theoretically , and obtained the relationships between the interference angles with the corresponding experimental conditions . the calculated values are consistent with the experimental results very well
3.
Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell , and the integral interference angles were measured . to observe more precise information , the experiment in the molecular beam should be taken , from which the differential interference angle can be obtained precisely . in this paper , the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam , based on the first - born approximation of time dependent perturbation theory , taking into accounts the anisotropic lennard - jones interaction potentials . the method of observing and measuring correctly the differential interference angle is presented . the changing tendencies of the differential interference angle with the impact parameter , velocity , and et al . are discussed
4.
We presented the theoretical model of collisional quantum interference on rotational energy transfer in atom - diatom system , using the theories of time dependent born approximation and quantum inelastic scattering , and taking into account the long - range interaction potentials . the key factors in the determination of the differential and integral interference angles are obtained . co a1 ( v = 0 ) ~ e3 - ( v = l ) system in collision with he is calculated , the calculated values are consistent with the experimental results , but for the partners being ne and ar , the calculated values are not so good
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