Národní úložiště šedé literatury Nalezeno 12 záznamů.  předchozí11 - 12  přejít na záznam: Hledání trvalo 0.00 vteřin. 
Sypnost práškových látek I
Macura, Jan ; Zatloukal, Zdeněk (vedoucí práce) ; Šklubalová, Zdeňka (oponent)
In the theoretical part of the diploma theses, the methods of the measurement of the angle of repose were reviewed as well as the information about the relationship between the angle of repose and flow rate in pharmaceutical technology. In the experimental section, the relationship between flow rate and the drained angle of repose of the residual powder in a hopper was studied. For size fractions of sorbitol in range of 315 - 800 μm, the measurement had good reproducibility and the drained angle could be used to estimate powder flow rate in contrast to the same size fractions of potassium citrate showing the incidence of flow failures.
Struktura práškových látek 2
Kopecká, Milada ; Zatloukal, Zdeněk (vedoucí práce) ; Šklubalová, Zdeňka (oponent)
In the theoretical part of the diploma theses, the structural characteristics of powders, the measurement conditions of the bulk volume were studied as well as the employment of method of autocorrelation in investigation of reproducibility of the measurements. In the experimental section, the results of repeated measurements of bulk volume of size fractions of sodium citrate and sorbitol are summarized together with values of the coefficients of autocorrelation needed for generation of the plots. The coefficients of autocorrelation were employed to validation of the measurement reproducibility of bulk volume of the free- flowable powder size fractions of the pharmaceutical excipients.

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