Станции и пневмосети: компрессор, привод и вспомогательное оборудование [Электронный ресурс]: учебное пособие / [Ю. В. Кожухов [и др.]; Санкт-Петербургский политехнический университет Петра Великого. — Электрон. текстовые дан. (1 файл : 1,74 Мб). — Санкт-Петербург: Изд-во Политехн. ун-та, 2018. — Загл. с титул. экрана. — Авт. указаны перед вып. дан. — Электронная копия печатной публикации 2018 г. — Доступ по паролю из сети Интернет (чтение, печать). — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/id18-13.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/id18-13>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2018
|
Quarter 4
|
December
|
9
|
0
|
0
|
0
|
9
|
|
Year 2019
|
Quarter 1
|
January
|
4
|
0
|
0
|
0
|
4
|
|
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
|
1
|
1
|
0
|
0
|
2
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 4
|
October
|
0
|
0
|
0
|
0
|
0
|
|
November
|
0
|
0
|
0
|
0
|
0
|
|
December
|
0
|
0
|
0
|
0
|
0
|
|
Year 2020
|
Quarter 1
|
January
|
4
|
0
|
0
|
0
|
4
|
|
February
|
0
|
0
|
0
|
0
|
0
|
|
March
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 2
|
April
|
5
|
0
|
0
|
0
|
5
|
|
May
|
5
|
0
|
0
|
0
|
5
|
|
June
|
12
|
0
|
0
|
0
|
12
|
|
Quarter 3
|
July
|
3
|
0
|
0
|
0
|
3
|
|
August
|
4
|
0
|
0
|
0
|
4
|
|
September
|
4
|
0
|
0
|
0
|
4
|
|
Quarter 4
|
October
|
4
|
0
|
0
|
0
|
4
|
|
November
|
0
|
0
|
0
|
0
|
0
|
|
December
|
0
|
0
|
0
|
0
|
0
|
|
Year 2021
|
Quarter 1
|
January
|
0
|
0
|
0
|
0
|
0
|
|
February
|
3
|
0
|
0
|
0
|
3
|
|
March
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
|
May
|
7
|
0
|
0
|
0
|
7
|
|
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
|
2
|
0
|
0
|
0
|
2
|
|
December
|
1
|
0
|
0
|
0
|
1
|
|
Year 2022
|
Quarter 1
|
January
|
1
|
1
|
0
|
0
|
2
|
|
February
|
0
|
0
|
0
|
0
|
0
|
|
March
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
April
|
1
|
1
|
0
|
0
|
2
|
|
May
|
1
|
0
|
0
|
0
|
1
|
|
June
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
July
|
2
|
1
|
0
|
0
|
3
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
October
|
0
|
0
|
0
|
0
|
0
|
|
November
|
1
|
0
|
0
|
0
|
1
|
|
December
|
1
|
0
|
0
|
0
|
1
|
|
Year 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
|
1
|
0
|
0
|
0
|
1
|
|
Total
|
82
|
4
|
0
|
0
|
86
|
