Pilot Study Examining Feasibility and Comparing the Effectiveness of Decision Aids for Hip and Knee Osteoarthritis: A Randomized Trial

Background.There are many patient decision aids (DAs) available, yet there is limited evidence on comparative effectiveness of different tools.Objective.To examine feasibility of a study protocol and gather preliminary data on comparative effectiveness.Methods.Adult patients seeing a surgeon to discuss treatment for hip or knee osteoarthritis were

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Possibility of increasing the liquid temperature in the problem of supercompression of a bubble by an acoustic action

Expansions and collapses of a vapor bubble at the pressure antinode of a standing acoustic wave in liquid acetone at temperatures 273 K and 293 K were compared.In the first case, the acoustic excitation amplitude and frequency were 15 bar and 19.3 kHz, whereas in the second case they were varied on the condition that the Signs maximum radius of the

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