Научно-технические ведомости СПбПУ = St. Petersburg polytechnic university journal of engineering science and technology. Сер.: Естественные и инженерные науки / Санкт-Петербургский политехнический университет Петра Великого. — Санкт-Петербург: Изд-во Политехн. ун-та, 2017-.
Т. 24, № 4 [Электронный ресурс]. — Электрон. текстовые дан. (1 файл : 27,0 Мб). — Санкт-Петербург: Изд-во Политехн. ун-та, 2018. — 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/j19-119.pdf>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2019
|
Quarter 2
|
May
|
12
|
0
|
7
|
0
|
19
|
|
June
|
7
|
0
|
4
|
0
|
11
|
|
Quarter 3
|
July
|
2
|
0
|
3
|
0
|
5
|
|
August
|
2
|
0
|
4
|
0
|
6
|
|
September
|
4
|
0
|
4
|
0
|
8
|
|
Quarter 4
|
October
|
2
|
0
|
1
|
0
|
3
|
|
November
|
0
|
0
|
2
|
0
|
2
|
|
December
|
1
|
0
|
3
|
0
|
4
|
|
Year 2020
|
Quarter 1
|
January
|
0
|
0
|
4
|
0
|
4
|
|
February
|
0
|
0
|
2
|
0
|
2
|
|
March
|
7
|
0
|
5
|
0
|
12
|
|
Quarter 2
|
April
|
2
|
0
|
0
|
0
|
2
|
|
May
|
2
|
0
|
1
|
0
|
3
|
|
June
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 3
|
July
|
2
|
0
|
0
|
0
|
2
|
|
August
|
2
|
0
|
0
|
0
|
2
|
|
September
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 4
|
October
|
6
|
0
|
0
|
0
|
6
|
|
November
|
3
|
0
|
6
|
0
|
9
|
|
December
|
1
|
0
|
10
|
0
|
11
|
|
Year 2021
|
Quarter 1
|
January
|
5
|
0
|
2
|
0
|
7
|
|
February
|
2
|
0
|
2
|
0
|
4
|
|
March
|
3
|
0
|
2
|
0
|
5
|
|
Quarter 2
|
April
|
2
|
0
|
5
|
0
|
7
|
|
May
|
3
|
0
|
13
|
0
|
16
|
|
June
|
8
|
0
|
11
|
0
|
19
|
|
Quarter 3
|
July
|
3
|
0
|
6
|
0
|
9
|
|
August
|
7
|
0
|
1
|
0
|
8
|
|
September
|
3
|
0
|
4
|
0
|
7
|
|
Quarter 4
|
October
|
0
|
0
|
4
|
0
|
4
|
|
November
|
4
|
0
|
5
|
0
|
9
|
|
Total
|
100
|
0
|
111
|
0
|
211
|
