Определение осевых усилий, действующих на роторы турбокомпрессоров [Электронный ресурс]: учебное пособие / Н. И. Садовский [и др.]; Санкт-Петербургский политехнический университет Петра Великого, [Институт энергетики и транспортных систем]. — Электрон. текстовые дан. (1 файл : 2,73 Мб). — Санкт-Петербург, 2018. — Загл. с титул. экрана. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/s18-265.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/s18-265>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2018
|
Quarter 4
|
December
|
8
|
0
|
2
|
0
|
10
|
|
Year 2019
|
Quarter 1
|
January
|
8
|
0
|
4
|
0
|
12
|
|
February
|
4
|
0
|
7
|
0
|
11
|
|
March
|
6
|
0
|
9
|
0
|
15
|
|
Quarter 2
|
April
|
0
|
0
|
14
|
0
|
14
|
|
May
|
4
|
0
|
19
|
0
|
23
|
|
June
|
2
|
0
|
46
|
0
|
48
|
|
Quarter 3
|
July
|
2
|
0
|
32
|
0
|
34
|
|
August
|
2
|
0
|
26
|
0
|
28
|
|
September
|
2
|
0
|
26
|
0
|
28
|
|
Quarter 4
|
October
|
4
|
0
|
21
|
0
|
25
|
|
November
|
1
|
0
|
34
|
0
|
35
|
|
December
|
1
|
0
|
77
|
0
|
78
|
|
Year 2020
|
Quarter 1
|
January
|
1
|
0
|
23
|
0
|
24
|
|
February
|
1
|
0
|
23
|
0
|
24
|
|
March
|
8
|
0
|
16
|
0
|
24
|
|
Quarter 2
|
April
|
10
|
0
|
1
|
0
|
11
|
|
May
|
7
|
0
|
1
|
0
|
8
|
|
June
|
8
|
0
|
0
|
0
|
8
|
|
Quarter 3
|
July
|
7
|
0
|
0
|
0
|
7
|
|
August
|
3
|
0
|
0
|
0
|
3
|
|
September
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 4
|
October
|
7
|
0
|
4
|
0
|
11
|
|
November
|
2
|
0
|
18
|
0
|
20
|
|
December
|
1
|
0
|
51
|
0
|
52
|
|
Year 2021
|
Quarter 1
|
January
|
7
|
0
|
28
|
0
|
35
|
|
February
|
5
|
0
|
45
|
0
|
50
|
|
March
|
3
|
1
|
37
|
0
|
41
|
|
Quarter 2
|
April
|
6
|
0
|
72
|
0
|
78
|
|
May
|
1
|
0
|
59
|
0
|
60
|
|
June
|
4
|
0
|
87
|
0
|
91
|
|
Quarter 3
|
July
|
8
|
0
|
47
|
0
|
55
|
|
August
|
6
|
0
|
69
|
0
|
75
|
|
September
|
3
|
0
|
85
|
0
|
88
|
|
Quarter 4
|
October
|
3
|
1
|
99
|
0
|
103
|
|
November
|
4
|
0
|
68
|
0
|
72
|
|
December
|
6
|
0
|
101
|
0
|
107
|
|
Year 2022
|
Quarter 1
|
January
|
2
|
0
|
94
|
0
|
96
|
|
February
|
0
|
0
|
48
|
0
|
48
|
|
March
|
4
|
0
|
58
|
0
|
62
|
|
Quarter 2
|
April
|
0
|
0
|
55
|
0
|
55
|
|
May
|
1
|
0
|
56
|
0
|
57
|
|
June
|
5
|
0
|
72
|
0
|
77
|
|
Quarter 3
|
July
|
2
|
0
|
41
|
0
|
43
|
|
August
|
4
|
0
|
32
|
0
|
36
|
|
September
|
2
|
0
|
67
|
0
|
69
|
|
Quarter 4
|
October
|
3
|
0
|
43
|
0
|
46
|
|
November
|
2
|
0
|
51
|
0
|
53
|
|
December
|
4
|
0
|
40
|
0
|
44
|
|
Year 2023
|
Quarter 1
|
January
|
1
|
0
|
74
|
0
|
75
|
|
February
|
2
|
0
|
62
|
0
|
64
|
|
March
|
4
|
0
|
87
|
0
|
91
|
|
Quarter 2
|
April
|
2
|
0
|
95
|
0
|
97
|
|
May
|
4
|
0
|
110
|
0
|
114
|
|
June
|
2
|
0
|
88
|
0
|
90
|
|
Quarter 3
|
July
|
1
|
0
|
42
|
0
|
43
|
|
August
|
3
|
0
|
46
|
0
|
49
|
|
September
|
1
|
0
|
46
|
0
|
47
|
|
Quarter 4
|
October
|
4
|
0
|
70
|
0
|
74
|
|
November
|
4
|
0
|
69
|
0
|
73
|
|
December
|
5
|
0
|
79
|
0
|
84
|
|
Year 2024
|
Quarter 1
|
January
|
2
|
0
|
70
|
0
|
72
|
|
February
|
3
|
0
|
76
|
0
|
79
|
|
March
|
2
|
0
|
90
|
0
|
92
|
|
Quarter 2
|
April
|
4
|
0
|
97
|
0
|
101
|
|
May
|
1
|
0
|
46
|
0
|
47
|
|
Total
|
231
|
2
|
3,155
|
0
|
3,388
|
