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本文采用密度泛函理论的B3LYP和CAM-B3LYP方法，详细计算和研究了AlnSi12−nN12 (n = 1，2和4)团簇的线性和非线性光学特征。 由第一超极化率的计算结果表明，非对称的体系在外场中容易极化，具有较高的超极化率，因此以SiN为基础的Al掺杂笼状结构在非线性光学材料 ...

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Cuatro personajes dan vida a esta pieza cruda, realista y exquisita a la vez: la NN12, una mujer sin identidad, hallada en una fosa común 27 años después de haber muerto; una forense que se identifica con este caso; un joven en busca de la historia de su familia; y un hombre mayor que conoció a la desaparecida.

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