Polski Związek Tenisowy (PZT) będzie gospodarzem tegorocznego Walnego Zgromadzenia Delegatów Tennis Europe. W dniach 19-21 ...
585 tys. zł nagród wypłacili sobie w latach 2021-2022 członkowie zarządu Polskiego Związku Tenisowego, którzy wedle regulaminu pełnią swoje funkcje społecznie. Onet ma dokumenty wskazujące, że wypłat ...
Since the EU enacted the Restriction of Hazardous Substances directive (RoHS) several years ago, which bans several substances in electronics that are deemed hazardous, lead has become a material non ...
The ability to measure subtle changes in arterial pressure using devices mounted on the skin can be valuable for monitoring vital signs in emergency care, detecting the early onset of cardiovascular ...
A large number of materials, man made and naturally occurring, possess polarity, meaning there is no center of symmetry in their crystal structures and therefore, the centers of positive and negative ...
This is a photograph of large-area PZT thin film nanogenerator (3.5 cm × 3.5 cm) on a curved glass tube and 105 commercial LEDs operated by self-powered flexible piezoelectric energy harvester.
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