Artificial+water-way

  • 131ion-exchange reaction — ▪ chemical reaction Introduction       any of a class of chemical reactions between two substances (each consisting of positively and negatively charged species called ions (ion)) that involves an exchange of one or more ionic components.… …

    Universalium

  • 132renal system disease — Introduction  any of the diseases or disorders that affect the human excretory system. They include benign and malignant tumours, infections and inflammations, and obstruction by calculi.       Diseases can have an impact on the elimination of… …

    Universalium