Ласкин, Александр Степанович. Энергетические машины. Вибропрочность и устойчивость элементов турбомашин [Электронный ресурс]: учебное пособие / А. С. Ласкин, А. А. Себелев, Н. А. Забелин; Санкт-Петербургский политехнический университет Петра Великого, [Институт промышленного менеджмента, экономики и торговли]. — Электрон. текстовые дан. (1 файл : 5,86 Мб). — Санкт-Петербург: ПОЛИТЕХ-ПРЕСС, 2018. — Загл. с титул. экрана. — 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/i18-291.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/i18-291>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2018
|
Quarter 4
|
December
|
1
|
0
|
0
|
0
|
1
|
|
Year 2019
|
Quarter 1
|
January
|
2
|
1
|
0
|
0
|
3
|
|
February
|
0
|
0
|
0
|
0
|
0
|
|
March
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
April
|
1
|
0
|
0
|
0
|
1
|
|
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
|
2
|
0
|
0
|
0
|
2
|
|
December
|
6
|
3
|
0
|
0
|
9
|
|
Year 2020
|
Quarter 1
|
January
|
7
|
0
|
0
|
0
|
7
|
|
February
|
1
|
0
|
0
|
0
|
1
|
|
March
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 2
|
April
|
8
|
0
|
0
|
0
|
8
|
|
May
|
8
|
0
|
0
|
0
|
8
|
|
June
|
7
|
1
|
0
|
0
|
8
|
|
Quarter 3
|
July
|
3
|
0
|
0
|
0
|
3
|
|
August
|
5
|
0
|
0
|
0
|
5
|
|
September
|
15
|
2
|
0
|
0
|
17
|
|
Quarter 4
|
October
|
10
|
1
|
0
|
0
|
11
|
|
November
|
7
|
0
|
0
|
0
|
7
|
|
December
|
24
|
4
|
0
|
0
|
28
|
|
Year 2021
|
Quarter 1
|
January
|
0
|
0
|
0
|
0
|
0
|
|
February
|
0
|
0
|
0
|
0
|
0
|
|
March
|
5
|
0
|
0
|
0
|
5
|
|
Quarter 2
|
April
|
1
|
0
|
0
|
0
|
1
|
|
May
|
8
|
0
|
0
|
0
|
8
|
|
June
|
13
|
1
|
0
|
0
|
14
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
8
|
0
|
0
|
0
|
8
|
|
Quarter 4
|
October
|
5
|
0
|
0
|
0
|
5
|
|
November
|
2
|
0
|
0
|
0
|
2
|
|
December
|
4
|
1
|
0
|
0
|
5
|
|
Year 2022
|
Quarter 1
|
January
|
1
|
1
|
0
|
0
|
2
|
|
February
|
1
|
1
|
0
|
0
|
2
|
|
March
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
April
|
1
|
0
|
0
|
0
|
1
|
|
May
|
2
|
0
|
0
|
0
|
2
|
|
June
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
12
|
2
|
0
|
0
|
14
|
|
Quarter 4
|
October
|
7
|
4
|
0
|
0
|
11
|
|
November
|
7
|
3
|
0
|
0
|
10
|
|
December
|
1
|
0
|
0
|
0
|
1
|
|
Year 2023
|
Quarter 1
|
January
|
1
|
0
|
0
|
0
|
1
|
|
February
|
0
|
0
|
0
|
0
|
0
|
|
March
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
April
|
2
|
1
|
0
|
0
|
3
|
|
May
|
6
|
2
|
0
|
0
|
8
|
|
June
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
|
August
|
1
|
1
|
0
|
0
|
2
|
|
September
|
5
|
0
|
0
|
0
|
5
|
|
Quarter 4
|
October
|
3
|
1
|
0
|
0
|
4
|
|
November
|
3
|
1
|
0
|
0
|
4
|
|
December
|
20
|
2
|
0
|
0
|
22
|
|
Year 2024
|
Quarter 1
|
January
|
0
|
0
|
0
|
0
|
0
|
|
February
|
0
|
0
|
0
|
0
|
0
|
|
March
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 2
|
April
|
3
|
0
|
0
|
0
|
3
|
|
May
|
3
|
2
|
0
|
0
|
5
|
|
June
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
|
August
|
2
|
1
|
0
|
0
|
3
|
|
September
|
4
|
1
|
0
|
0
|
5
|
|
Total
|
245
|
37
|
0
|
0
|
282
|
