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The study evaluated three biotypes of cherry silverberry (obtained from the Institute for Fruit Growing in Samokhvalovitchy in Belarus) for cultivation under the conditions of north-eastern Poland in comparison to the form reproduced and cultivated at the University of Warmia and Mazury in Olsztyn. It was demonstrated that the natural conditions of Olsztyn permit cultivation of the examined cherry...
The effects of large doses of UV radiation, relating to actual operational use during 1, 2 or 5 summer seasons, on changes of chemical structures, crystalline structures, morphology and tensile properties of four types of polyamide 6 were investigated. The fibers differed in cross-section shape and mat degree caused by TiO2 addition. The fibers were tested using, among others, SEM and IR methods....
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