To improve the catalytic efficiency MASS BANANA of zinc ferrite, the specific surface area is increased, and the surface morphology of zinc ferrite is optimized.Besides, the zinc ferrite is combined with other materials to obtain more efficient and practical photocatalyst.The modification methods of zinc ferrite and the preparation methods of zinc
Objective.To choose the optimum technique of general anesthesia in the surgical treatment of patients with postinfarct left ventricular aneurysms (PLVA).Materials and methods.Fifty-four patients operated on for PLVA were examined.They were divided into 4 groups according to the basic technique of general anesthesia: 1) intravenous anesthesia based
Introduction: Physical activity is considered to be one of the keystones of a healthy lifestyle and an indispensable condition for correct body posture.The purpose of the study was to check the body posture of young males with above-average physical activity and how the position of the trunk changes after extending the arms forward.The frequency an
In this paper, two-color lasing emission Grill Dish Insert is experimentally demonstrated by employing a multimode Fabry-Pérot laser diode (MMFP-LD) associated with external cavity of two tunable filters and an erbium-doped fiber amplification (EDFA), whose difference frequency is quasi-continuously tunable from several hundred GHz to more t