Abstract: The invention relates to a method for determining an indicator for a prediction of an instability in a compressor, which is designed as an axial or radial compressor, having the following steps: operating a compressor designed as an axial or radial compressor in operating states, which differ by different values of a characteristic parameter for a flow mass flux of the compressor, wherein the operating states are run through at decreasing flow mass fluxes; determining the values of the characteristic value for the flow mass flux for the operating states; detecting time-resolved pressure measurement values when running through the operating states by means of a pressure sensor, which is arranged in a housing of the compressor, upstream adjacent to an entrance plane of a rotor stage determining the skew for the operating states and determining an indicator for an instability of the compressor, if an algebraic sign change of the curve rise is determined for a curve profile of the skew over the characteristic par

Abstract: Systems, methods and kits for treating hemorrhages within cavities are provided. The methods utilize the application of a rapid spike of pressure to the closed cavity, followed by a steady state pressure or pressures.

Abstract: Systems, methods and kits for treating hemorrhages within cavities are provided. The methods utilize the application of a rapid spike of pressure to the closed cavity, followed by a steady state pressure or pressures.

Abstract: Systems, methods and kits for treating hemorrhages within cavities are provided. The methods utilize the application of a rapid spike of pressure to the closed cavity, followed by a steady state pressure or pressures.

Abstract: An mechanical power system is provided for providing torque without using a heat engine in virtually any non-aviation application where fossil-fuel engines have conventionally been used, by simply replacing the fossil-fuel burning engine with a rotary pneumatic motor of appropriate size for the application and feeding pressure-regulated compressed gas to the rotary pneumatic motor. The rotary pneumatic motor can be used virtually anywhere, and requires merely a supply of compressed gas to run it, preferably compressed nitrogen. Automotive, marine and electrical generating applications are easily adaptable, and auxiliary fossil-fuel engines can be added for emergencies where a supply of compressed gas has been exhausted. A screw-type compressor can be electrically powered to supply compressed gas to the pneumatic motor where tanks of compressed gas have been exhausted. Tanks of compressed gas are to be conveniently user replaceable.