Никитин, Сергей Васильевич. Совершенствование метода определения нагрузок и снижения металлоемкости цепных конвейеров [Электронный ресурс]: автореф. дис. … канд. техн. наук: 05.05.04 / С. В. Никитин; Санкт-Петербургский государственный политехнический университет. — Электрон. текстовые дан. (1 файл : 2,81 Мб). — СПб., 2011. — Загл. с титул. экрана. — Электрон. версия печ. публикации. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Текстовый файл. — Adobe Acrobat Reader 6.0. — <URL:http://elib.spbstu.ru/dl/2212.pdf>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2012
|
Quarter 4
|
4
|
0
|
4
|
0
|
8
|
|
Year 2013
|
Quarter 1
|
4
|
0
|
1
|
0
|
5
|
|
Quarter 2
|
12
|
0
|
2
|
0
|
14
|
|
Quarter 3
|
11
|
0
|
4
|
0
|
15
|
|
Quarter 4
|
13
|
0
|
1
|
0
|
14
|
|
Year 2014
|
Quarter 1
|
9
|
0
|
2
|
0
|
11
|
|
Quarter 2
|
11
|
0
|
17
|
0
|
28
|
|
Quarter 3
|
12
|
0
|
3
|
0
|
15
|
|
Quarter 4
|
7
|
0
|
1
|
0
|
8
|
|
Year 2015
|
Quarter 1
|
17
|
0
|
1
|
0
|
18
|
|
Quarter 2
|
12
|
0
|
11
|
0
|
23
|
|
Quarter 3
|
16
|
0
|
8
|
0
|
24
|
|
Quarter 4
|
17
|
0
|
4
|
0
|
21
|
|
Year 2016
|
Quarter 1
|
10
|
0
|
6
|
0
|
16
|
|
Quarter 2
|
12
|
0
|
10
|
0
|
22
|
|
Quarter 3
|
5
|
0
|
15
|
0
|
20
|
|
Quarter 4
|
10
|
0
|
38
|
0
|
48
|
|
Year 2017
|
Quarter 1
|
12
|
0
|
29
|
0
|
41
|
|
Quarter 2
|
9
|
0
|
36
|
0
|
45
|
|
Quarter 3
|
12
|
0
|
36
|
0
|
48
|
|
Quarter 4
|
9
|
0
|
22
|
0
|
31
|
|
Year 2018
|
Quarter 1
|
13
|
0
|
42
|
0
|
55
|
|
Quarter 2
|
11
|
0
|
23
|
0
|
34
|
|
Quarter 3
|
9
|
0
|
26
|
0
|
35
|
|
Quarter 4
|
5
|
0
|
20
|
0
|
25
|
|
Year 2019
|
Quarter 1
|
8
|
0
|
12
|
0
|
20
|
|
Quarter 2
|
8
|
0
|
22
|
0
|
30
|
|
Quarter 3
|
6
|
0
|
14
|
0
|
20
|
|
Quarter 4
|
2
|
0
|
43
|
0
|
45
|
|
Year 2020
|
Quarter 1
|
4
|
0
|
30
|
0
|
34
|
|
Quarter 2
|
7
|
0
|
1
|
0
|
8
|
|
Quarter 3
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 4
|
5
|
0
|
14
|
0
|
19
|
|
Year 2021
|
Quarter 1
|
3
|
0
|
18
|
0
|
21
|
|
Quarter 2
|
4
|
0
|
11
|
0
|
15
|
|
Quarter 3
|
5
|
0
|
8
|
0
|
13
|
|
Quarter 4
|
4
|
0
|
20
|
0
|
24
|
|
Year 2022
|
Quarter 1
|
7
|
0
|
13
|
0
|
20
|
|
Quarter 2
|
3
|
0
|
17
|
0
|
20
|
|
Quarter 3
|
10
|
0
|
12
|
0
|
22
|
|
Quarter 4
|
13
|
0
|
19
|
0
|
32
|
|
Year 2023
|
Quarter 1
|
10
|
0
|
20
|
0
|
30
|
|
Quarter 2
|
5
|
0
|
17
|
0
|
22
|
|
Quarter 3
|
6
|
0
|
7
|
0
|
13
|
|
Quarter 4
|
4
|
0
|
11
|
0
|
15
|
|
Year 2024
|
Quarter 1
|
7
|
0
|
11
|
0
|
18
|
|
Quarter 2
|
3
|
0
|
16
|
0
|
19
|
|
Total
|
389
|
0
|
698
|
0
|
1,087
|
