National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Syntéza nanotrubiček Ti-NT: vliv modifikace výchozího TiO2 na krystalickou strukturu a morfologii
Králová, Daniela ; Šlouf, Miroslav ; Kužel, R.
This work is focused on preparation of titanate nanotubes (Ti-NT) from various crystalline modifications of TiO2. Different source micro/nanopowders of TiO2 yielded Ti-NT with similar sizes, shapes and structures. Residual TiO2 particles in final Ti-NT suspensions were eliminated by modification of preparation procedure. Morphology and crystalline structure of both source TiO2 and final Ti-NT were investigated by means of electron microscopy, electron diffraction and X-ray diffraction.
Difrakční měření na zdrojích synchrotronového záření
Hašek, Jindřich
The paper summarizes the present state of art in the use of different sources of synchrotron radiation in protein structure determination and discusses possibility of the future development. Current experiences with the newly developed "small intensive sources of radiation" MIRROCLE and LYNCEAN indicate that the practical usage of these sources needs really long and difficult development. The three XFEL instruments presently under construction in Japan, USA and Germany will open new areas for science. They are complementary to current synchrotron equipment used for protein crystallography but cannot substitute it and the current sources of synchrotron radiation of the third generation equipped by undulators will remain dominant at least in the next decade.

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