Аж үйлдвэржилтийн хувьсгал. Аж үйлдвэрийн 1р хувьсгал …
1825 — The Erie Canal is completed opening a water route from the Great Lakes to New York City and the Atlantic Ocean. 1831 — The mechanical reaper is invented by Cyrus McCormick. 1837 — A blacksmith named John invents the steel plow. 1844 — The telegraph is invented by Samuel Morse.
(DOC) Дипломын-ажил (1) | С.Т. Адъяа
The object of study – passive system of heat removal. Subject of investigation – providing cost-effective and more safe passive system of heat removal. Purpose - development of passive system of heat removal The method of research - analysis, systematic approach. Operation of seconndary circuit was analyzed, it was concluded to replace the ...