Abstract: The research findings summarized in the paper include data on the radioecological conditions of the canal located in Jambay region of Uzbekistan. The focus of the study was on the determination of accumulation of radionuclides in molluscs depending on the content of radionuclides in aqueous sediments and water by the help of the scintillation gamma spectrometry method.

Abstract: Bobur was a leader who could notice the situation, carried out strategic plans with proficiency, used army and weapon well, could define his rivals’ weak points with sensitiveness, in trouble situations didn’t lose himself, wasn’t proud of his success. Bobur’s another achievement of army was artillery army.English historian Rashbruk Uilyams emphasized: ”The main reason of Bobur’s triumph in India being the only financial factor was strong artillery”.