昆明贵金属研究所 关键词：金属材料；贵金属；氧化态和还原态；催化剂 [gap=1058]Key words: metal materials; noble metals; oxidized and reduced; catalyst
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把分子态的氢转变为等离子态的氢可以从热力学和动力学层面上提高氢还原金属氧化物的能力。
Transforming molecular hydrogen to plasma hydrogen can enhance the reduction ability of hydrogen in the terms of thermodynamics and kinetics.
氧化态、生长态和还原态三种不同的状态，原子周围环境不一样，基础吸收边也有所移动。
At the oxidation state, the growth state and the reduction state, the circumstance of the atom is different, so the absorption edge also varied.
研究了系列不同掺杂、不同掺杂浓度、单掺杂和双掺杂以及不同后处理态（生长态、还原态和氧化态）铌酸锂晶体的透过率光谱和光折变二波耦合效应。
The experimental results show that the optical transmission spectra range and two-wave mixing gains are smaller in the high doped LiNbO_3 crystals.
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