Zobrazeno 1 - 2
of 2
pro vyhledávání: '"I. L. Bero"'
Autor:
N. A. Bondareva, S.A. Grin, I. L. Bero, G. I. Vorob’eva, A. Ya. Samuilenko, G. D. Chichileishvili
Publikováno v:
Russian Agricultural Sciences. 36:303-304
Problems of using biotechnological processes in operating treatment plants used for utilizing industrial sewage as well as for utilizing and processing animal and poultry husbandry waste are examined.
Autor:
S.A. Grin, V.P. Varlamov, L. K. Kish, I. L. Bero, A. Ya. Samuilenko, M.A. Frolova, A.I. Albulov, A. V. Grin, N.V. Melnik, I.N. Matveeva, S. V. Shabunin, A. A. Khakonov, E.I. Kovaleva, R.N. Melnik
Publikováno v:
Vestnik of the Russian agricultural science. :54-57
Acute toxicity of chitosan samples was determined by the value of 50% lethal dose (LD50) in experiments on white nonlinear mice aged 2-2.5 months weighing 18-22 g, from which groups of 10 animals were formed. Chitosan preparations were administered o