B-L

In this paper the concentration quenching effect of T _ b ~3 + ion in L _ aOB _ r : T _ b is discussd.

中文讨论了溴氧化镧铽荧光粉中.随着掺杂T_b~( 3+ )离子浓度的增大,发光能级之间将产生无辐射共振转移.

His professional career began in 1960 when he joined L . A . R & B ensemble the Upfronts.

1960年,他加入了洛杉矶R & B合唱团“前沿”,开始了他的职业生涯.

Endowascular Graft Exclusion for Stanford B Type Thoracic Aortic Dissecting Aneurysms : A Report of 9 l Cases.

腔内隔绝术治疗StanfordB型胸主动脉夹层动脉瘤(附91例临床分析)

Oh l à l à b é b é , C'est dur dur d 'ê tre b é b é.

为啥是这样,为啥是那样, 为啥就是这样.

In this paper the concentration quenching effect of T _ b ~3 + ion in L _ aOB _ r : T _ bis discussd.

发光能级之间将产生无辐射共振转移.从而产生了T_b~( 3+ )离子~5D_3→F_ J发光的浓度猝灭效应.