Метрология, стандартизация и сертификация [Электронный ресурс]: учебник / С. А. Любомудров [и др.]; Санкт-Петербургский государственный политехнический университет. — Электрон. текстовые дан. (1 файл : 5,25 Мб). — Санкт-Петербург: Изд-во Политехн. ун-та, 2016 (Санкт-Петербург, 2018). — Загл. с титул. экрана. — Доступ по паролю из сети Интернет (чтение, печать). — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/s18-109.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/s18-109>.
| Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2018
|
Quarter 3
|
September
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 4
|
October
|
2
|
0
|
0
|
0
|
2
|
|
November
|
6
|
0
|
0
|
0
|
6
|
|
December
|
9
|
0
|
0
|
0
|
9
|
|
Year 2019
|
Quarter 1
|
January
|
2
|
0
|
0
|
0
|
2
|
|
February
|
1
|
0
|
0
|
0
|
1
|
|
March
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
April
|
3
|
0
|
0
|
0
|
3
|
|
May
|
0
|
0
|
0
|
0
|
0
|
|
June
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
October
|
3
|
0
|
0
|
0
|
3
|
|
November
|
10
|
1
|
0
|
0
|
11
|
|
December
|
11
|
1
|
0
|
0
|
12
|
|
Year 2020
|
Quarter 1
|
January
|
10
|
0
|
0
|
0
|
10
|
|
February
|
2
|
0
|
0
|
0
|
2
|
|
March
|
4
|
0
|
0
|
0
|
4
|
|
Quarter 2
|
April
|
22
|
2
|
0
|
0
|
24
|
|
May
|
17
|
0
|
0
|
0
|
17
|
|
June
|
6
|
0
|
0
|
0
|
6
|
|
Quarter 3
|
July
|
8
|
0
|
0
|
0
|
8
|
|
August
|
5
|
0
|
0
|
0
|
5
|
|
September
|
11
|
0
|
0
|
0
|
11
|
|
Quarter 4
|
October
|
14
|
0
|
0
|
0
|
14
|
|
November
|
1
|
0
|
0
|
0
|
1
|
|
December
|
3
|
0
|
0
|
0
|
3
|
|
Total
|
154
|
4
|
0
|
0
|
158
|
