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, № 2 [Электронный ресурс]. — Электрон. текстовые дан. (1 файл : 97,8 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/j17-374.pdf>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2017
|
Quarter 4
|
December
|
5
|
0
|
6
|
0
|
11
|
|
Year 2018
|
Quarter 1
|
January
|
9
|
0
|
7
|
0
|
16
|
|
February
|
18
|
0
|
7
|
0
|
25
|
|
March
|
3
|
0
|
4
|
0
|
7
|
|
Quarter 2
|
April
|
3
|
0
|
6
|
0
|
9
|
|
May
|
5
|
0
|
6
|
0
|
11
|
|
June
|
3
|
0
|
1
|
0
|
4
|
|
Quarter 3
|
July
|
3
|
0
|
4
|
0
|
7
|
|
August
|
3
|
0
|
0
|
0
|
3
|
|
September
|
5
|
0
|
0
|
0
|
5
|
|
Quarter 4
|
October
|
2
|
0
|
5
|
0
|
7
|
|
November
|
0
|
0
|
1
|
0
|
1
|
|
December
|
1
|
0
|
1
|
0
|
2
|
|
Year 2019
|
Quarter 1
|
January
|
1
|
0
|
2
|
0
|
3
|
|
February
|
1
|
0
|
1
|
0
|
2
|
|
March
|
2
|
0
|
2
|
0
|
4
|
|
Quarter 2
|
April
|
0
|
0
|
1
|
0
|
1
|
|
May
|
2
|
0
|
3
|
0
|
5
|
|
June
|
0
|
0
|
9
|
0
|
9
|
|
Quarter 3
|
July
|
0
|
0
|
7
|
0
|
7
|
|
August
|
0
|
0
|
5
|
0
|
5
|
|
September
|
3
|
0
|
1
|
0
|
4
|
|
Quarter 4
|
October
|
1
|
0
|
4
|
0
|
5
|
|
November
|
0
|
0
|
1
|
0
|
1
|
|
December
|
1
|
0
|
2
|
0
|
3
|
|
Year 2020
|
Quarter 1
|
January
|
0
|
0
|
1
|
0
|
1
|
|
February
|
0
|
0
|
1
|
0
|
1
|
|
March
|
7
|
0
|
6
|
0
|
13
|
|
Quarter 2
|
April
|
7
|
0
|
0
|
0
|
7
|
|
May
|
1
|
0
|
0
|
0
|
1
|
|
June
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 3
|
July
|
9
|
0
|
0
|
0
|
9
|
|
August
|
3
|
0
|
0
|
0
|
3
|
|
September
|
5
|
0
|
0
|
0
|
5
|
|
Quarter 4
|
October
|
9
|
0
|
1
|
0
|
10
|
|
November
|
2
|
0
|
9
|
0
|
11
|
|
December
|
1
|
0
|
22
|
0
|
23
|
|
Year 2021
|
Quarter 1
|
January
|
8
|
0
|
16
|
0
|
24
|
|
February
|
3
|
0
|
18
|
0
|
21
|
|
March
|
1
|
0
|
18
|
0
|
19
|
|
Quarter 2
|
April
|
1
|
0
|
17
|
0
|
18
|
|
May
|
4
|
2
|
26
|
0
|
32
|
|
June
|
7
|
0
|
15
|
0
|
22
|
|
Quarter 3
|
July
|
6
|
0
|
16
|
0
|
22
|
|
August
|
5
|
0
|
10
|
0
|
15
|
|
September
|
2
|
0
|
8
|
0
|
10
|
|
Quarter 4
|
October
|
0
|
0
|
7
|
0
|
7
|
|
November
|
2
|
0
|
2
|
0
|
4
|
|
December
|
7
|
0
|
2
|
0
|
9
|
|
Year 2022
|
Quarter 1
|
January
|
7
|
0
|
3
|
0
|
10
|
|
February
|
7
|
0
|
4
|
0
|
11
|
|
March
|
4
|
0
|
6
|
0
|
10
|
|
Quarter 2
|
April
|
2
|
0
|
8
|
0
|
10
|
|
May
|
1
|
0
|
6
|
0
|
7
|
|
June
|
3
|
0
|
2
|
0
|
5
|
|
Quarter 3
|
July
|
2
|
0
|
3
|
0
|
5
|
|
August
|
8
|
0
|
1
|
0
|
9
|
|
September
|
4
|
0
|
3
|
0
|
7
|
|
Quarter 4
|
October
|
13
|
0
|
4
|
0
|
17
|
|
November
|
7
|
0
|
1
|
0
|
8
|
|
December
|
3
|
0
|
2
|
0
|
5
|
|
Year 2023
|
Quarter 1
|
January
|
7
|
0
|
3
|
0
|
10
|
|
February
|
4
|
0
|
3
|
0
|
7
|
|
March
|
2
|
0
|
4
|
0
|
6
|
|
Quarter 2
|
April
|
3
|
0
|
1
|
0
|
4
|
|
May
|
5
|
0
|
2
|
0
|
7
|
|
June
|
2
|
0
|
1
|
0
|
3
|
|
Quarter 3
|
July
|
2
|
0
|
1
|
0
|
3
|
|
August
|
1
|
0
|
2
|
0
|
3
|
|
September
|
0
|
0
|
3
|
0
|
3
|
|
Quarter 4
|
October
|
2
|
0
|
26
|
0
|
28
|
|
November
|
3
|
0
|
16
|
0
|
19
|
|
December
|
0
|
0
|
0
|
0
|
0
|
|
Total
|
254
|
2
|
386
|
0
|
642
|
