Научно-технические ведомости СПбПУ. Сер.: Естественные и инженерные науки = St. Petersburg polytechnic university journal of engineering science and technology / Санкт-Петербургский политехнический университет Петра Великого. — Санкт-Петербург: Изд-во Политехн. ун-та, 2017-.
Т. 23, № 3. — Электрон. текстовые дан. (1 файл : 77,8 МБ). — Санкт-Петербург: Изд-во Политехн. ун-та, 2017. — Загл. с титул. экрана. — Электронная версия печатной публикации. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Текстовый документ. — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/j18-26.pdf>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2018
|
Quarter 1
|
March
|
28
|
0
|
13
|
0
|
41
|
|
Quarter 2
|
April
|
4
|
0
|
2
|
0
|
6
|
|
May
|
4
|
0
|
2
|
0
|
6
|
|
June
|
5
|
0
|
3
|
0
|
8
|
|
Quarter 3
|
July
|
8
|
0
|
10
|
0
|
18
|
|
August
|
10
|
0
|
27
|
0
|
37
|
|
September
|
4
|
0
|
3
|
0
|
7
|
|
Quarter 4
|
October
|
7
|
0
|
3
|
0
|
10
|
|
November
|
1
|
0
|
1
|
0
|
2
|
|
December
|
0
|
0
|
0
|
0
|
0
|
|
Year 2019
|
Quarter 1
|
January
|
0
|
0
|
4
|
0
|
4
|
|
February
|
1
|
0
|
1
|
0
|
2
|
|
March
|
1
|
0
|
1
|
0
|
2
|
|
Quarter 2
|
April
|
1
|
0
|
0
|
0
|
1
|
|
May
|
1
|
0
|
0
|
0
|
1
|
|
June
|
2
|
0
|
4
|
0
|
6
|
|
Quarter 3
|
July
|
1
|
0
|
0
|
0
|
1
|
|
August
|
4
|
0
|
6
|
0
|
10
|
|
September
|
1
|
0
|
1
|
0
|
2
|
|
Quarter 4
|
October
|
2
|
0
|
2
|
0
|
4
|
|
November
|
1
|
0
|
1
|
0
|
2
|
|
December
|
1
|
0
|
3
|
0
|
4
|
|
Year 2020
|
Quarter 1
|
January
|
1
|
0
|
2
|
0
|
3
|
|
February
|
0
|
0
|
0
|
0
|
0
|
|
March
|
6
|
0
|
4
|
0
|
10
|
|
Quarter 2
|
April
|
6
|
0
|
0
|
0
|
6
|
|
May
|
3
|
0
|
0
|
0
|
3
|
|
June
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 3
|
July
|
2
|
0
|
0
|
0
|
2
|
|
August
|
3
|
0
|
0
|
0
|
3
|
|
September
|
13
|
0
|
0
|
0
|
13
|
|
Quarter 4
|
October
|
5
|
0
|
0
|
0
|
5
|
|
November
|
2
|
0
|
9
|
0
|
11
|
|
December
|
22
|
0
|
16
|
0
|
38
|
|
Year 2021
|
Quarter 1
|
January
|
10
|
0
|
9
|
0
|
19
|
|
February
|
4
|
0
|
16
|
0
|
20
|
|
March
|
3
|
0
|
9
|
0
|
12
|
|
Quarter 2
|
April
|
5
|
0
|
24
|
0
|
29
|
|
May
|
8
|
0
|
18
|
0
|
26
|
|
June
|
9
|
0
|
12
|
0
|
21
|
|
Quarter 3
|
July
|
3
|
0
|
12
|
0
|
15
|
|
August
|
7
|
0
|
9
|
0
|
16
|
|
September
|
3
|
0
|
7
|
0
|
10
|
|
Quarter 4
|
October
|
0
|
0
|
6
|
0
|
6
|
|
November
|
5
|
0
|
0
|
0
|
5
|
|
December
|
5
|
0
|
0
|
0
|
5
|
|
Year 2022
|
Quarter 1
|
January
|
22
|
0
|
2
|
0
|
24
|
|
February
|
2
|
0
|
3
|
0
|
5
|
|
March
|
3
|
0
|
2
|
0
|
5
|
|
Quarter 2
|
April
|
2
|
0
|
2
|
0
|
4
|
|
May
|
4
|
0
|
7
|
0
|
11
|
|
June
|
3
|
0
|
3
|
0
|
6
|
|
Quarter 3
|
July
|
4
|
0
|
1
|
0
|
5
|
|
August
|
7
|
0
|
3
|
0
|
10
|
|
September
|
3
|
0
|
9
|
0
|
12
|
|
Quarter 4
|
October
|
2
|
0
|
0
|
0
|
2
|
|
November
|
7
|
0
|
1
|
0
|
8
|
|
December
|
2
|
0
|
2
|
0
|
4
|
|
Year 2023
|
Quarter 1
|
January
|
8
|
0
|
4
|
0
|
12
|
|
February
|
6
|
0
|
3
|
0
|
9
|
|
March
|
1
|
0
|
3
|
0
|
4
|
|
Quarter 2
|
April
|
3
|
0
|
3
|
0
|
6
|
|
May
|
1
|
0
|
1
|
0
|
2
|
|
June
|
2
|
0
|
5
|
0
|
7
|
|
Quarter 3
|
July
|
2
|
0
|
4
|
0
|
6
|
|
August
|
2
|
0
|
2
|
0
|
4
|
|
September
|
0
|
0
|
5
|
0
|
5
|
|
Quarter 4
|
October
|
4
|
0
|
31
|
0
|
35
|
|
November
|
2
|
0
|
32
|
0
|
34
|
|
December
|
2
|
0
|
33
|
0
|
35
|
|
Year 2024
|
Quarter 1
|
January
|
1
|
0
|
33
|
0
|
34
|
|
February
|
0
|
0
|
36
|
0
|
36
|
|
March
|
1
|
0
|
39
|
0
|
40
|
|
Quarter 2
|
April
|
3
|
0
|
17
|
0
|
20
|
|
Total
|
314
|
0
|
526
|
0
|
840
|
