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 ...
Katlego Daniel Morakile (25), popularly known as Pzt from eMalahleni, is making people turn up in the music industry. With a passion for music that burns brighter than ever, Pzt is a sharing star in ...
Przewlekłe zapalenie trzustki jest poważną, przewlekłą chorobą trzustki, która prowadzi do stopniowego upośledzenia jej funkcji – wydzielania enzymów trzustkowych i insuliny. Główną przyczyną ...
1. Badania obrazowe najlepiej nadające się do ustalenia rozpoznania PZT to: ultrasonografia endoskopowa (EUS), obrazowanie metodą rezonansu magnetycznego (MR) i tomografia komputerowa (TK). [1C] 2. TK ...
Download this article in PDF format. Jacques and Pierre Curie, French physics, discovered the piezoelectric effect in 1880. When some solid material is mechanically compressed or stressed, the ...
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 ...
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