Organic light-emitting materials contain organic small molecule materials, polymers, metal chelates and lanthanon chelates.
其中有机发光材料可分为有机小分子、聚合物分子、金属配合物和稀土配合物四类。
2
Through the study about lanthanon and trace element, we can obtain the Guanghan claypan formation that has the homologous ingredient characteristic.
通过对微量元素和稀土元素的研究，可以得出广汉粘土层的形成具有同源成分特征。
3
According to the analyse of petrochemistry, microelement, lanthanon and cause of formation type of rock body, sum up the all sequences are S-type granitoid .