Its fluorescent emission spectra were measured and the main transition channel were recognized clearly.

测量了它的荧光发射谱，搞清了它的主要跃迁通道。

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Transition metal ion-doped glass-ceramics can combine the advantages of easy process ability of glass and high emission efficiency in broadband of transparent crystal.

过渡金属离子掺杂微晶玻璃结合了玻璃的易加工性和透明晶体具有高效宽带发光的优点。

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The relaxation rate of upper level is equal to the transition probability of stimulated emission.

激光达到饱和强度时，上能级弛豫速率等于受激跃迁几率。

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It also said "great uncertainty" remained over the planned transition at the end of the year from Cert (Carbon Emission Reduction Target) to the UK government's "Green Deal" - a scheme which aims to improve the energy efficiency of homes by eliminating the need for householders to pay upfront for efficiency measures.

BBC: Stirling firm Superglass continues revival plan