共 9 条
[1]
Allen ET, 1912, AM J SCI, V33, P169
[2]
EATON SE, 1948, TECH PUB AM I M 2453, V15
[3]
FURMAN NH, 1939, SCOTTS STANDARD METH, V1, P906
[4]
Lowry HH, 1942, T AM I MIN MET ENG, V149, P297
[5]
LOWRY HH, 1945, CHEM COAL UTILIZATIO, V1, P427
[6]
POWELL AR, 1921, 254 US BUR MIN TECH
[7]
Thiessen G, 1935, IND ENG CHEM, V27, P473
[8]
TREADWELL, 1935, ANALYT CHEM, V2, P336
[9]
1929, METHODS CHEM US STEE, P77