Agata Wawrzyńczak

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A series of 14 mesoporous titania materials has been synthesized using the simple alcothermal template-free method and various alcohols, such as methanol, propanols and butanols, as solvents. All materials were characterized by both wide and small angle XRD, which exhibited the anatase phase with short-range ordered mesoporous structure that is still(More)
Introduction It is well known that overexposure to the sunlight, particularly to UV rays, may cause many skin defects, like sunburns (erythema), premature skin aging (wrinkles), photosensitivity, suppression of the immune system or even skin cancers. For many years, sunscreens have been recommended by dermatologists, not only as a protective measure against(More)
Temporal changes of the rigidity spectrum of the recurrent Forbush effect (16–30 June, 2003) have been studied using the data of the worldwide network of neutron monitors. The rigidity spectrum is soft at the beginning and at the end phases of the recurrent Forbush effect, and it is hard in the minimum phase. The steady-state model based on the Parker’s(More)
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