<font face="Verdana">无外加热情况下氨合成塔生产的恢复</font>

无外加热情况下氨合成塔生产的恢复

张春刚;齐小峰

Recovery of ammonia converter operation without outside heating

ZHANG Chun-gang；QI Xiao-feng

工业催化 . 2000, (4): 58 .