National Repository of Grey Literature 3 records found  Search took 0.02 seconds. 
Microstrains and x-ray diffraction
Drahokoupil, J. ; Čerňanský, Marian ; Kolařík, K.
An attention is paid to the microstrain – its effect on X-ray diffraction and a method to its estimation from a broadening of diffraction lines. Especially, the single line Voigt function method is presented for the estimation of the microstrain and crystallite size from a single diffraction line.
Indirect stress measurement by static vertical pendulum
Kalenda, Pavel ; Neumann, L. ; Wandrol, I.
Static pendulums were used for indirect stress measurement in Bohemian Massif. The anomalous tilt and/or noise were recognised before the biggest earthquakes on the Euroasian lithospheric plate. The Kurile EQ (24.11.2008) was predicted a day advance.
Biocompatibility optimization of fabric composites by calcium phosphates
Sochor, M. ; Balík, Karel ; Suchý, Tomáš ; Sucharda, Zbyněk
Composite materials based on a polyamide fabric and a polydimethylsiloxane matrix were designed for application in bone surgery. In order to increase the bioactivity, 2, 5, 10, 15, 20 and 25 vol. % of nano/micro hydroxyapatite and tricalcium phosphate were added. The effect of the additives on the mechanical properties was studied. Simultaneously, changes in the inner structure of the composites were investigated by means of image analysis.

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