Relevance.Vacuum therapy is used worldwide to treat acute trauma, thermal injuries, osteomyelitis, purulent wounds, urological pathology, etc.The sanogenetic effect of vacuum therapy is associated with the effect of altered barometric pressure on the tone of microvessels.However, specific mechanisms of vacuum action on the course of typical patholo
Corrosion is a natural process of degradation of the mechanical properties of some materials like: metals, ceramics or polymers.The metals and their alloys corrode only because of their presence in a damp environment, but the process is more powerful in some corrosive environments.Corrosion is a diffusion process by which some chemical bonds of the
The hybrid unmanned aerial vehicle combines the vertical take-off and landing and hover abilities of rotary-wing UAVs with the high-speed cruise and long-endurance capabilities of fixed-wing UAVs, expanding the flight envelope and application areas.The designed controller must handle the highly nonlinear dynamics and variable actuators resulting fr