Лихачев, Денис Игоревич. Разработка методик расчета и оптимизация трансформаторов инверторных источников
питания машин контактной сварки [Электронный ресурс]: автореф. дис. … канд. техн. наук: 05.09.05 / Лихачев Денис Игоревич; Санкт-Петербургский политехнический университет Петра Великого ; науч. рук. Л. И. Сахно. — Электрон. текстовые дан. (1 файл : 683 Кб). — Санкт-Петербург, 2018. — Загл. с титул. экрана. — Электронная версия печатной публикации. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/r18-14.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/r18-14>.
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Period
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Read
|
Print
|
Copy
|
Open
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Total
|
|
Year 2018
|
Quarter 1
|
March
|
6
|
0
|
8
|
0
|
14
|
|
Quarter 2
|
April
|
7
|
0
|
20
|
0
|
27
|
|
May
|
3
|
0
|
10
|
0
|
13
|
|
June
|
7
|
0
|
10
|
0
|
17
|
|
Quarter 3
|
July
|
1
|
0
|
5
|
0
|
6
|
|
August
|
1
|
0
|
14
|
0
|
15
|
|
September
|
10
|
0
|
8
|
0
|
18
|
|
Quarter 4
|
October
|
2
|
0
|
3
|
0
|
5
|
|
November
|
2
|
0
|
2
|
0
|
4
|
|
December
|
2
|
0
|
3
|
0
|
5
|
|
Year 2019
|
Quarter 1
|
January
|
1
|
0
|
4
|
0
|
5
|
|
February
|
3
|
0
|
3
|
0
|
6
|
|
March
|
1
|
0
|
1
|
0
|
2
|
|
Quarter 2
|
April
|
1
|
0
|
2
|
0
|
3
|
|
May
|
1
|
0
|
2
|
0
|
3
|
|
June
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 3
|
July
|
1
|
0
|
3
|
0
|
4
|
|
August
|
3
|
0
|
6
|
0
|
9
|
|
September
|
0
|
0
|
1
|
0
|
1
|
|
Quarter 4
|
October
|
1
|
0
|
3
|
0
|
4
|
|
November
|
0
|
0
|
0
|
0
|
0
|
|
December
|
0
|
0
|
1
|
0
|
1
|
|
Year 2020
|
Quarter 1
|
January
|
1
|
0
|
2
|
0
|
3
|
|
February
|
0
|
0
|
3
|
0
|
3
|
|
March
|
5
|
0
|
8
|
0
|
13
|
|
Quarter 2
|
April
|
7
|
0
|
1
|
0
|
8
|
|
May
|
6
|
0
|
1
|
0
|
7
|
|
June
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 3
|
July
|
5
|
0
|
0
|
0
|
5
|
|
August
|
2
|
0
|
0
|
0
|
2
|
|
September
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 4
|
October
|
3
|
0
|
0
|
0
|
3
|
|
November
|
1
|
0
|
3
|
0
|
4
|
|
December
|
2
|
0
|
6
|
0
|
8
|
|
Year 2021
|
Quarter 1
|
January
|
4
|
0
|
5
|
0
|
9
|
|
February
|
6
|
0
|
3
|
0
|
9
|
|
March
|
1
|
0
|
2
|
0
|
3
|
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
|
May
|
0
|
0
|
3
|
0
|
3
|
|
June
|
8
|
0
|
8
|
0
|
16
|
|
Quarter 3
|
July
|
2
|
0
|
5
|
0
|
7
|
|
August
|
2
|
0
|
4
|
0
|
6
|
|
September
|
3
|
0
|
4
|
0
|
7
|
|
Quarter 4
|
October
|
1
|
0
|
5
|
0
|
6
|
|
November
|
4
|
0
|
6
|
0
|
10
|
|
December
|
0
|
0
|
5
|
0
|
5
|
|
Year 2022
|
Quarter 1
|
January
|
1
|
0
|
7
|
0
|
8
|
|
February
|
1
|
0
|
1
|
0
|
2
|
|
March
|
2
|
0
|
3
|
0
|
5
|
|
Quarter 2
|
April
|
2
|
0
|
2
|
0
|
4
|
|
May
|
2
|
0
|
1
|
0
|
3
|
|
June
|
3
|
0
|
4
|
0
|
7
|
|
Quarter 3
|
July
|
4
|
0
|
4
|
0
|
8
|
|
August
|
3
|
0
|
1
|
0
|
4
|
|
September
|
2
|
0
|
2
|
0
|
4
|
|
Quarter 4
|
October
|
0
|
0
|
2
|
0
|
2
|
|
November
|
1
|
0
|
2
|
0
|
3
|
|
December
|
3
|
0
|
3
|
0
|
6
|
|
Year 2023
|
Quarter 1
|
January
|
3
|
0
|
3
|
0
|
6
|
|
February
|
1
|
0
|
3
|
0
|
4
|
|
March
|
1
|
0
|
4
|
0
|
5
|
|
Quarter 2
|
April
|
0
|
0
|
3
|
0
|
3
|
|
May
|
1
|
0
|
1
|
0
|
2
|
|
June
|
2
|
0
|
5
|
0
|
7
|
|
Quarter 3
|
July
|
1
|
0
|
4
|
0
|
5
|
|
August
|
3
|
0
|
5
|
0
|
8
|
|
September
|
1
|
0
|
4
|
0
|
5
|
|
Quarter 4
|
October
|
0
|
0
|
3
|
0
|
3
|
|
November
|
2
|
0
|
4
|
0
|
6
|
|
December
|
1
|
0
|
3
|
0
|
4
|
|
Year 2024
|
Quarter 1
|
January
|
0
|
0
|
3
|
0
|
3
|
|
February
|
2
|
0
|
1
|
0
|
3
|
|
March
|
0
|
0
|
4
|
0
|
4
|
|
Quarter 2
|
April
|
3
|
0
|
6
|
0
|
9
|
|
May
|
3
|
0
|
3
|
0
|
6
|
|
Total
|
171
|
0
|
274
|
0
|
445
|
