Основы холодильной техники. Расчет центробежного компрессора: методические указания / Санкт-Петербургский государственный политехнический университет, Кафедра компрессорной, вакуумной и холодильной техники; [составитель А. М. Симонов]. — Санкт-Петербург: Изд-во СПбГПУ, 2002 (Санкт-Петербург, 2020). — 1 файл (3,60 Мб). — Загл. с титул. экрана. — Цифровая копия печатной публикации 2002 г. — Доступ по паролю из сети Интернет (чтение, печать, копирование). — <URL:http://elib.spbstu.ru/dl/2/si20-944.pdf>. — DOI 10.18720/SPBPU/2/si20-944. — Текст: электронный
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
Year 2021
|
Quarter 1
|
January
|
1
|
0
|
0
|
0
|
1
|
February
|
0
|
0
|
0
|
0
|
0
|
March
|
1
|
0
|
0
|
0
|
1
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
May
|
1
|
0
|
0
|
0
|
1
|
June
|
0
|
0
|
0
|
0
|
0
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
August
|
0
|
0
|
0
|
0
|
0
|
September
|
0
|
0
|
0
|
0
|
0
|
Quarter 4
|
October
|
0
|
0
|
1
|
0
|
1
|
November
|
0
|
0
|
0
|
0
|
0
|
December
|
0
|
0
|
0
|
0
|
0
|
Year 2022
|
Quarter 1
|
January
|
0
|
0
|
1
|
0
|
1
|
February
|
0
|
0
|
0
|
0
|
0
|
March
|
0
|
0
|
1
|
0
|
1
|
Quarter 2
|
April
|
1
|
0
|
0
|
0
|
1
|
May
|
2
|
0
|
0
|
0
|
2
|
June
|
1
|
0
|
0
|
0
|
1
|
Quarter 3
|
July
|
0
|
0
|
1
|
0
|
1
|
August
|
0
|
0
|
1
|
0
|
1
|
September
|
0
|
0
|
0
|
0
|
0
|
Quarter 4
|
October
|
0
|
0
|
0
|
0
|
0
|
November
|
0
|
0
|
0
|
0
|
0
|
December
|
1
|
0
|
0
|
0
|
1
|
2023
|
Quarter 1
|
January
|
0
|
0
|
0
|
0
|
0
|
February
|
0
|
0
|
0
|
0
|
0
|
March
|
0
|
0
|
0
|
0
|
0
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
May
|
0
|
0
|
0
|
0
|
0
|
June
|
0
|
0
|
0
|
0
|
0
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
August
|
0
|
0
|
0
|
0
|
0
|
September
|
0
|
0
|
0
|
0
|
0
|
Quarter 4
|
October
|
0
|
0
|
0
|
0
|
0
|
November
|
0
|
0
|
0
|
0
|
0
|
December
|
0
|
0
|
0
|
0
|
0
|
Year 2024
|
Quarter 1
|
January
|
0
|
0
|
0
|
0
|
0
|
February
|
0
|
0
|
0
|
0
|
0
|
March
|
1
|
0
|
0
|
0
|
1
|
Total
|
9
|
0
|
5
|
0
|
14
|