Перова, М.А. Санкт-Петербургский государственный технический университет. Сравнение фильтров тонкой очистки воздуха, основанных на стекловолокне и трековой мембране [Электронный ресурс] / М.А. Перова, А.А. Бугаев. — Электрон. текстовые дан. (1 файл : 292 Кб) // Материалы ...21-24 апреля 2002 г. [Электронный ресурс] / Санкт-Петербургский государственный технический университет. — Загл. с титул. экрана. — Электрон. версия печ. публикации. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Adobe Acrobat Reader 4.0. — <URL:http://elib.spbstu.ru/dl/000908.pdf>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2012
|
Quarter 1
|
3
|
0
|
3
|
0
|
6
|
|
Quarter 2
|
3
|
0
|
3
|
0
|
6
|
|
Quarter 3
|
5
|
0
|
1
|
0
|
6
|
|
Quarter 4
|
9
|
0
|
10
|
0
|
19
|
|
Year 2013
|
Quarter 1
|
5
|
0
|
5
|
0
|
10
|
|
Quarter 2
|
8
|
0
|
5
|
0
|
13
|
|
Quarter 3
|
19
|
0
|
4
|
0
|
23
|
|
Quarter 4
|
5
|
0
|
4
|
0
|
9
|
|
Year 2014
|
Quarter 1
|
15
|
0
|
7
|
0
|
22
|
|
Quarter 2
|
20
|
0
|
5
|
0
|
25
|
|
Quarter 3
|
16
|
0
|
5
|
0
|
21
|
|
Quarter 4
|
13
|
0
|
6
|
0
|
19
|
|
Year 2015
|
Quarter 1
|
12
|
0
|
6
|
0
|
18
|
|
Quarter 2
|
22
|
0
|
6
|
0
|
28
|
|
Quarter 3
|
11
|
0
|
9
|
0
|
20
|
|
Quarter 4
|
11
|
0
|
8
|
0
|
19
|
|
Year 2016
|
Quarter 1
|
18
|
0
|
6
|
0
|
24
|
|
Quarter 2
|
14
|
0
|
3
|
0
|
17
|
|
Quarter 3
|
13
|
0
|
7
|
0
|
20
|
|
Quarter 4
|
22
|
0
|
25
|
0
|
47
|
|
Year 2017
|
Quarter 1
|
12
|
0
|
34
|
0
|
46
|
|
Quarter 2
|
8
|
0
|
26
|
0
|
34
|
|
Quarter 3
|
13
|
0
|
35
|
0
|
48
|
|
Quarter 4
|
18
|
0
|
47
|
0
|
65
|
|
Year 2018
|
Quarter 1
|
10
|
0
|
88
|
0
|
98
|
|
Quarter 2
|
7
|
0
|
79
|
0
|
86
|
|
Quarter 3
|
8
|
0
|
61
|
0
|
69
|
|
Quarter 4
|
5
|
0
|
45
|
0
|
50
|
|
Year 2019
|
Quarter 1
|
9
|
0
|
51
|
0
|
60
|
|
Quarter 2
|
6
|
0
|
28
|
0
|
34
|
|
Quarter 3
|
3
|
0
|
31
|
0
|
34
|
|
Quarter 4
|
2
|
0
|
38
|
0
|
40
|
|
Year 2020
|
Quarter 1
|
5
|
0
|
38
|
0
|
43
|
|
Quarter 2
|
4
|
0
|
0
|
0
|
4
|
|
Quarter 3
|
12
|
0
|
0
|
0
|
12
|
|
Quarter 4
|
11
|
0
|
18
|
0
|
29
|
|
Year 2021
|
Quarter 1
|
8
|
0
|
16
|
0
|
24
|
|
Quarter 2
|
5
|
0
|
17
|
0
|
22
|
|
Quarter 3
|
5
|
0
|
13
|
0
|
18
|
|
Quarter 4
|
4
|
0
|
17
|
0
|
21
|
|
Year 2022
|
Quarter 1
|
9
|
0
|
21
|
0
|
30
|
|
Quarter 2
|
2
|
0
|
10
|
0
|
12
|
|
Quarter 3
|
7
|
0
|
9
|
0
|
16
|
|
Quarter 4
|
20
|
0
|
14
|
0
|
34
|
|
Year 2023
|
Quarter 1
|
11
|
0
|
14
|
0
|
25
|
|
Quarter 2
|
6
|
0
|
11
|
0
|
17
|
|
Quarter 3
|
4
|
0
|
18
|
0
|
22
|
|
Quarter 4
|
8
|
0
|
17
|
0
|
25
|
|
Year 2024
|
Quarter 1
|
4
|
0
|
13
|
0
|
17
|
|
Quarter 2
|
5
|
0
|
14
|
0
|
19
|
|
Total
|
475
|
0
|
951
|
0
|
1,426
|
