INFLUENCE OF ACOUSTIC WAVES ON THE PROCESSES OF SYNTHESIS OF HIGH-TEMPERATURE CERAMIC SUPERCONDUCTORS [ВЛИЯНИЕ АКУСТИЧЕСКИХ ВОЛН НА ПРОЦЕССЫ СИНТЕЗА ВЫСОКОТЕМПЕРАТУРНЫХ КЕРАМИЧЕСКИХ СВЕРХПРОВОДНИКОВ]
The Influence of Cultivation, Storage and Processing Technology on the Nitrate Content in Potato Tubers and Vegetable Crops as the Example of Ecologically and Hygienically Oriented Organic Agricultural Nature Management