Scientific Visits زيارات علمية.pdf A scientific visit for second-year students to the Department of Mathematics and Computer Applications at the College of Science, Al-Nahrain University* Scientific Visit to the Oil Research and Development Center* Scientific visit to the State Company for Mining Industries - Xylene and Toluene Production Plant.* A scientific visit for fourth-year students to the Nanotechnology Renewable Energy Research Center.A Scientific Visit For First-Year Students To The General Authority For Industrial Research And Development