PREDNASAJUCI / LECTURER : Janusz Sylwester NAZOV / TITLE : Construction and results obtained from Wroclaw soft X-ray spectrometers RESIK and SphinX ABSTRAKT / ABSTRACT : I shall describe shortly these design solutions applied in RESIK Bragg spectrometer and SphinX PIN-diode spectrophotometer which make them unique instruments to study solar X-ray emission. Results will be shown, concerning the interpretation of the observed spectra on the ground of isothermal and differential emission measure approaches. Determination of chemical composition of flaring plasma will be addressed. Fields of unexplored, possible common data analysis will be outlined.