Курбатов, Алексей Алексеевич. Влияние формы паза на технико-экономические характеристики двигателя постоянного тока мощностью 50 кВт [Электронный ресурс]: бакалаврская работа: 13.03.02 / А. А. Курбатов; Санкт-Петербургский политехнический университет Петра Великого, Институт энергетики и транспортных систем ; науч. рук. В. Н. Забоин. — Электрон. текстовые дан. (1 файл : 1,6 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/v17-3192.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/v17-3192>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2017
|
Quarter 3
|
September
|
13
|
0
|
10
|
0
|
23
|
|
Quarter 4
|
October
|
5
|
0
|
1
|
0
|
6
|
|
November
|
3
|
0
|
4
|
0
|
7
|
|
December
|
3
|
0
|
4
|
0
|
7
|
|
Year 2018
|
Quarter 1
|
January
|
2
|
0
|
3
|
0
|
5
|
|
February
|
0
|
0
|
6
|
0
|
6
|
|
March
|
3
|
0
|
2
|
0
|
5
|
|
Quarter 2
|
April
|
6
|
0
|
4
|
0
|
10
|
|
May
|
3
|
0
|
10
|
0
|
13
|
|
June
|
2
|
0
|
24
|
0
|
26
|
|
Quarter 3
|
July
|
2
|
0
|
5
|
0
|
7
|
|
August
|
3
|
0
|
5
|
0
|
8
|
|
September
|
2
|
0
|
6
|
0
|
8
|
|
Quarter 4
|
October
|
0
|
0
|
4
|
0
|
4
|
|
November
|
1
|
0
|
3
|
0
|
4
|
|
December
|
1
|
0
|
2
|
0
|
3
|
|
Year 2019
|
Quarter 1
|
January
|
1
|
0
|
1
|
0
|
2
|
|
February
|
1
|
0
|
1
|
0
|
2
|
|
March
|
1
|
0
|
6
|
0
|
7
|
|
Quarter 2
|
April
|
3
|
0
|
4
|
0
|
7
|
|
May
|
2
|
0
|
4
|
0
|
6
|
|
June
|
0
|
0
|
2
|
0
|
2
|
|
Quarter 3
|
July
|
1
|
0
|
4
|
0
|
5
|
|
August
|
1
|
0
|
3
|
0
|
4
|
|
September
|
1
|
0
|
3
|
0
|
4
|
|
Quarter 4
|
October
|
3
|
0
|
4
|
0
|
7
|
|
November
|
0
|
0
|
1
|
0
|
1
|
|
December
|
0
|
0
|
5
|
0
|
5
|
|
Year 2020
|
Quarter 1
|
January
|
0
|
0
|
2
|
0
|
2
|
|
February
|
1
|
0
|
4
|
0
|
5
|
|
March
|
2
|
0
|
5
|
0
|
7
|
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
|
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
|
0
|
0
|
0
|
0
|
0
|
|
November
|
0
|
0
|
0
|
0
|
0
|
|
December
|
0
|
0
|
0
|
0
|
0
|
|
Total
|
67
|
0
|
142
|
0
|
209
|
