Synthesis and Function Studies on New Porphyrin Lanthanide Liquid Crystals Compounds.红光发射材料卟啉化合物的合成及其电致发光性能的研究.Lanthanide ions were incorporated through the sol - gel process.在溶胶 - 凝胶过程中引入稀土离子来制备发光材料.The promotion effect...
此反应属分子内反应,因而快速且干净利索.The reaction is intramolecular and hence fast and clean.该体系合成的丁苯共聚物具有均匀的分子内和分子间分布.The prepared random SBR has uniform inter ? and intramolecular composition distribution.构象的变化改变了分子内的螺旋方向,因此,旋光方向随之改变.S...