Influence of Citric Acid on Structures and Catalytic Activities of Ru/AC Catalysts for Ammonia Synthesis
NI Jun, WANG Rong, LIN Jian-Xin, WEI Ke-Mei
Acta Physico-Chimica Sinica . 2009, (03): 519 -524 .  DOI: 10.3866/PKU.WHXB20090320