Photoionization models

It has been reported that the gas-phase oxygen abundance of the circumnuclear regions around supermassive black holes (SMBHs) could be affected by the presence of an active...已有研究表明，超大质量黑洞（supermassive black holes, SMBHs）周围核周区域的气相氧丰度，可能会受到某类活动的存在影响……