Michal Šimek

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Although methods exist to readily determine the particle size distribution (PSD) of an active pharmaceutical ingredient (API) before its formulation into a final product, the primary challenge is to develop a method to determine the PSD of APIs in a finished tablet. To address the limitations of existing PSD methods, we used hot-stage microscopy to observe(More)
Activity of the Leonid meteor stream is analyzed from radar data collected in the Czech Republic over a 30-year interval and Canada from 1964–1967. The shower shows pronounced activity during the 1964–1967 time period, with large meteoroids abundant in the 1965 shower. The filament causing the 1966 Leonid storm is present in 1965, but absent in 1967. The(More)
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