The men and women who work in the shelter try to accord some dignity to the thousands of people in limbo there. Central Airport THF is a moving portrait of displaced people in transition, and its ...
本研究对共轭聚合物聚 (9,9 - 二辛基芴 - alt-N-(4 - 仲丁基苯基)- 二苯胺)(TFB) 溶解于四氢呋喃 (THF) 后,在 2.5 至 0.6mg/mL 不同浓度下的电子和光学性质展开研究。其在 390nm 处有吸收最大值,浓度增至 2.5mg/ml 时,482nm 处出现额外吸收带,表明存在基态聚集。在 30 至 1 ...