Шубин, Андрей Валерьевич. Исследование продольных колебаний тела с условиями контакта на границах [Электронный ресурс]: магистерская диссертация: 01.04.03 / А. В. Шубин; Санкт-Петербургский политехнический университет Петра Великого, Институт прикладной математики и механики ; науч. рук. О. С. Лобода. — Электрон. текстовые дан. (1 файл : 1,2 Мб). — Санкт-Петербург, 2017. — Загл. с титул. экрана. — Доступ по паролю из сети Интернет (чтение, печать, копирование). — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/v17-6880.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/v17-6880>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2017
|
Quarter 4
|
December
|
15
|
0
|
10
|
0
|
25
|
|
Year 2018
|
Quarter 1
|
January
|
5
|
0
|
4
|
0
|
9
|
|
February
|
2
|
0
|
2
|
0
|
4
|
|
March
|
1
|
0
|
2
|
0
|
3
|
|
Quarter 2
|
April
|
5
|
0
|
2
|
0
|
7
|
|
May
|
1
|
0
|
2
|
0
|
3
|
|
June
|
3
|
0
|
3
|
0
|
6
|
|
Quarter 3
|
July
|
2
|
0
|
6
|
0
|
8
|
|
August
|
3
|
0
|
4
|
0
|
7
|
|
September
|
5
|
0
|
3
|
0
|
8
|
|
Quarter 4
|
October
|
2
|
0
|
1
|
0
|
3
|
|
November
|
2
|
0
|
2
|
0
|
4
|
|
December
|
2
|
0
|
1
|
0
|
3
|
|
Year 2019
|
Quarter 1
|
January
|
1
|
0
|
4
|
0
|
5
|
|
February
|
0
|
0
|
2
|
0
|
2
|
|
March
|
3
|
0
|
4
|
0
|
7
|
|
Quarter 2
|
April
|
3
|
0
|
3
|
0
|
6
|
|
May
|
0
|
0
|
2
|
0
|
2
|
|
June
|
1
|
0
|
5
|
0
|
6
|
|
Quarter 3
|
July
|
0
|
0
|
5
|
0
|
5
|
|
August
|
2
|
0
|
3
|
0
|
5
|
|
September
|
0
|
0
|
4
|
0
|
4
|
|
Quarter 4
|
October
|
1
|
0
|
6
|
0
|
7
|
|
November
|
0
|
0
|
3
|
0
|
3
|
|
December
|
0
|
0
|
5
|
0
|
5
|
|
Year 2020
|
Quarter 1
|
January
|
0
|
0
|
1
|
0
|
1
|
|
February
|
2
|
0
|
5
|
0
|
7
|
|
March
|
2
|
0
|
4
|
0
|
6
|
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
|
May
|
0
|
0
|
0
|
0
|
0
|
|
June
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
0
|
0
|
1
|
0
|
1
|
|
Quarter 4
|
October
|
0
|
0
|
0
|
0
|
0
|
|
November
|
0
|
0
|
0
|
0
|
0
|
|
December
|
0
|
0
|
0
|
0
|
0
|
|
2021
|
Quarter 1
|
January
|
0
|
0
|
0
|
0
|
0
|
|
February
|
0
|
0
|
0
|
0
|
0
|
|
March
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
|
May
|
0
|
0
|
0
|
0
|
0
|
|
June
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
October
|
0
|
0
|
0
|
0
|
0
|
|
November
|
0
|
0
|
0
|
0
|
0
|
|
December
|
0
|
0
|
0
|
0
|
0
|
|
Year 2022
|
Quarter 1
|
January
|
0
|
0
|
0
|
0
|
0
|
|
February
|
1
|
0
|
0
|
0
|
1
|
|
March
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
|
May
|
0
|
0
|
0
|
0
|
0
|
|
June
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
October
|
0
|
0
|
0
|
0
|
0
|
|
November
|
0
|
0
|
0
|
0
|
0
|
|
December
|
0
|
0
|
0
|
0
|
0
|
|
Total
|
64
|
0
|
99
|
0
|
163
|
