W. Hattingh

发表

Interrelations between biological and chemical characteristics in anaerobic digestion

P. G. Thiel, J. Kotzé, D. Toerien, 1968 .

A biological and chemical study of several anaerobic digesters

D. F. Toerien, P. G. Thiel, J. Kotzé, 1968 .

Determination of hydrolytic enzyme activities in anaerobic digesting sludge

P. G. Thiel, W. Hattingh, 1967 .

Anaerobic digestion I. The microbiology of anaerobic digestion

D. F. Toerien, W.H.J. Hattingh, D. Toerien, 1969 .

Anaerobic digestion II. The characterization and control of anaerobic digestion

P. G. Thiel, J. Kotzé, J. P Kotzé, 1969 .

Determination of the deoxyribonucleic acid (DNA) content of anaerobic sludge

W. Hattingh, M. Siebert, 1967 .

Determination of protein content of anaerobic digesting sludge

P. G. Thiel, P. G Thiel, W.H.J. Hattingh, 1967 .

Biological changes during the adaptation of an anaerobic digester to a synthetic substrate

D. F. Toerien, P. G. Thiel, J. Kotzé, 1967 .

The bacterial nature of the acid-forming phase of anaerobic digestion

D. Toerien, W. Hattingh, M. Siebert, 1967 .

Factor analysis as an aid in an ecological study of anaerobic digestion

P. G. Thiel, J. Kotzé, D. Toerien, 1969 .

Estimation of methane-producing bacterial numbers by the most probable number (MPN) technique

W.H.J. Hattingh, M. L. Siebert, W. Hattingh, 1967 .

Enumeration studies on methanogenic bacteria

D. Toerien, W. Hattingh, M. Siebert, 1968 .