机译:基于乙烷(R170)的碳氢化合物对的超低温度-80°C的Covid-19疫苗的冷供应链的新型梯级制冷循环
Mechanical Engineering Department Benha Faculty of Engineering Benha University Benha Egypt;
Mechanical Engineering Department Benha Faculty of Engineering Benha University Benha Egypt;
Mechanical Power Engineering Department Faculty of Engineering Helwan University Cairo Egypt;
Cascade Refrigeration; Cold Supply Chain; COVID-19 Vaccine; Ultra-Low Temperature -80°C; Hydrocarbon Refrigerants; Refrigerant Pair;