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In this study, random amplified polymorphic DNA (RAPD) and simple sequence repeat (SSR) loci were used to investigate the genetic relationships in a group of 22 raspberry accessions. Fifteen RAPD primers generated a total of 324 bands, among them 94.1% were polymorphic. From ten used SSR pairs of primers, nine generated only polymorphic bands and the average percentage of polymorphism was 97.8%. Genetic...
For the polymeric materials, changing of the temperature causes changes in mechanical and tribological properties of sliding pairs. The goal of the present study was to determine the change in Young's modulus and kinetic friction coefficient depending of the temperature. Three thermoplastic polymers, PA6, PET and PEEK, were tested. These materials cooperated in sliding motion with a C45 construction...
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