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Publikováno v:
PETRA
People who suffer from difficulties in ambulating can be supported by using wheeled walking frames, also called rollators. Mechanical rollators are very helpful and provide physical stability but their functionality is limited. Electro-powered rollat
Autor:
Jürgen Steuer, Ingo Dreher
Publikováno v:
Chemie Ingenieur Technik. 62:866-867
Autor:
Ingo Dreher
Publikováno v:
The Journal of Chemical Thermodynamics. 11:993-1003
An adiabatic flow calorimeter was constructed to measure isobaric specific heat capacities of fluids at pressures up to 30 MPa and temperatures up to 573 K. The greatest error over the measuring range of the apparatus was less than 0.4 per cent, exce