提出一种方案制备W态，方案基于暗态绝热过程。
A scheme is proposed to generate a W state based on adiabatic passage along dark state.
由于双暗态间的干涉效应使得介质的光学性质发生了根本的改变。
The interference effects between the double-dark states made the optical properties of the medium fundamentally changed.
结果表明：只有在光场和原子能级共振时，光和原子相互作用系统的存储态才能最终演化到暗态。
Numerical results confirm the theory that the system can be prepared in dark states only under resonant conditions between the fields and the atomic transitions.
对在对数型非线性介质中空间灰孤子的存在性进行了研究，认为对数型非线性介质中可以同时支持暗和灰空间孤子态。
The existence of dark and gray spatial solitons in logarithmically nonlinear media is investigated. It is shown that both dark and gray solitons are possible in corresponding nonlinear media.
通过室内培养试验研究了玉米秸秆在暗棕壤和水稻土中分解期间全土及不同结合态胡敏酸、富里酸数量的动态变化。
In a laboratory incubation experiment, timing change in amount of humic acid(HA) and fulvic acid(FA) was studied in dark-brown soil and paddy soil during corn stalk decomposition.
通过室内培养试验研究了玉米秸秆在暗棕壤和水稻土中分解期间全土及不同结合态胡敏酸、富里酸数量的动态变化。
In a laboratory incubation experiment, timing change in amount of humic acid(HA) and fulvic acid(FA) was studied in dark-brown soil and paddy soil during corn stalk decomposition.
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