共 30 条
[11]
KIELSMEIER EW, UNPUBLISHED
[12]
KNAYSI G, 1927, J DAIRY SCI, V10, P396
[13]
LANE C. B., 1939, Iowa St, Coll. J. Sci., V13, P149
[14]
LANE CB, 1941, RES B, V291
[15]
LINDET LM, 1924, LAIT, V4, P2
[16]
Titration of ammonia in presence of boric acid
[J].
INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION,
1933, 5
:396-398
[18]
PHILPOT FS, 1939, P ROY SOC B, V127, P21
[19]
Price W.V., 1927, J DAIRY SCI, V10, P373
[20]
PRICE WV, 1953, J ASS OFFIC ANAL CHE, V32, P524