The content of issue 4 (93)

Section.Anniversary

3
5
6

Section.Energy and electrical engineering

Busarov Sergey S., Busarov Igor S. , Kobylsky Roman E., Kapelyukhovskaya Aleksandra A., Sinitsyn Nikita G. Operating processes of low-flow low-speed compressors on R600a freon
7
12
19
25
32
Shein V.М. , Nikitin А. А., Vladimir A. Korablev, Sulin A.B., Krivosheev Vladimir E. Spectrometric analysis of titanium dioxide-based coating to be applied to a combined solar collector
39

Section.Agroengineering and food technologies

Razin Aleksandr N., Власова Е. Н., Vorobeychikov Evgeny V. , Leonova Natalia V., Konusova Valentina G., Shamtsyan M.M. , Frioui M., Kolesnikov Boris A., Kiprushkina E.I., Volkov Mikhail Yu. Comparative analysis of β-glucans received from fruit bodies and mycelium of basidiomycetes with IR-spectroscopy
46
52

Section.Physical sciences

Koshkin Sergey V., Veprinyak Ivan A., Chizhiumov Sergey D. Аналитические основы реологии льда
58
65
72