Ajaz Karim. Study of the influence of welding transformer design on the power consumption of high frequency resistance spot welding systems [Электронный ресурс]: магистерская диссертация: 13.04.02 / Ajaz Karim; Peter the Great St. Petersburg Polytechnic University, Institute of Energy and Transport Systems ; supervisor L. I. Sahno. — Электрон. текстовые дан. (1 файл : 2,74 Мб). — Санкт-Петербург, 2017. — Загл. с титул. экрана. — Текст на англ. яз. — Доступ по паролю из сети Интернет (чтение, печать, копирование). — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/v17-4760.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/v17-4760>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2017
|
Quarter 4
|
15
|
2
|
0
|
0
|
17
|
|
Year 2018
|
Quarter 1
|
7
|
0
|
0
|
0
|
7
|
|
Quarter 2
|
8
|
0
|
0
|
0
|
8
|
|
Quarter 3
|
10
|
0
|
0
|
0
|
10
|
|
Quarter 4
|
3
|
1
|
0
|
0
|
4
|
|
Year 2019
|
Quarter 1
|
4
|
0
|
0
|
0
|
4
|
|
Quarter 2
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 3
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 4
|
4
|
0
|
0
|
0
|
4
|
|
Year 2020
|
Quarter 1
|
5
|
0
|
0
|
0
|
5
|
|
Quarter 2
|
9
|
1
|
0
|
0
|
10
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
0
|
0
|
0
|
0
|
0
|
|
Year 2021
|
Quarter 1
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
0
|
0
|
1
|
0
|
1
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
0
|
0
|
0
|
0
|
0
|
|
Total
|
71
|
4
|
1
|
0
|
76
|
