Zobrazeno 1 - 4
of 4
pro vyhledávání: '"A O, Murashov"'
Publikováno v:
Chemical and Petroleum Engineering. 51:630-635
The dependence of fracture toughness (stress intensity factor K1c) for steels on their mechanical properties (yield strength and impact energy) taking account of the effect of temperature is considered. The nature of change in K1c in the temperature
Causes of Tube Heater (Finned Tube) Damage in the Production of Butyl Alcohol and Methanol Synthesis
Publikováno v:
Chemical and Petroleum Engineering. 51:625-629
Reasons are studied for breakdown and failure of tubular coil elements (finned tubes) designed for heating a production medium with flue gas heat before entering reaction columns. An analysis of cases of abnormal and emergency situations shows that c
Publikováno v:
Chemical and Petroleum Engineering. 50:656-664
Reasons are described and analyzed for brittle failure of structures occurring as a result of material choice for a structure without considering operating conditions, as a result of a change in material’s properties during operation, production pr
Autor:
E A, Lykova, V M, Bondarenko, Iu A, Izachik, N A, Izachik, A V, Grigor'ev, A O, Murashov, N A, Abramov
Publikováno v:
Zhurnal mikrobiologii, epidemiologii i immunobiologii. (2)
The state of microbiocenosis was studied and the level of immunoglobulins was determined in the gastric juice and feces of children with chronic diseases of the digestive system. In 20% of patients an increase in the contamination of the gastric biot