Ляшенко, Даниил Владимирович. Теоретические основы современных способов повышения износостойкости и восстановления деталей машин. Оборудование для повышения износостойкости и восстановления деталей машин. Испытания материалов на износ в потоке жидкости [Электронный ресурс]: методические указания к выполнению лабораторной работы / Д. В. Ляшенко, Е. А. Тарасенко; Санкт-Петербургский государственный политехнический университет, Кафедра «Машиноведение и основы конструирования». — Электрон. текстовые дан. (1 файл : 715 Кб). — Санкт-Петербург, 2018. — 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/s18-133.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/s18-133>.
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Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2018
|
Quarter 4
|
December
|
1
|
0
|
1
|
0
|
2
|
|
Year 2019
|
Quarter 1
|
January
|
0
|
0
|
0
|
0
|
0
|
|
February
|
1
|
0
|
0
|
0
|
1
|
|
March
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
April
|
1
|
0
|
2
|
0
|
3
|
|
May
|
2
|
0
|
0
|
0
|
2
|
|
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
|
1
|
0
|
1
|
|
December
|
0
|
0
|
1
|
0
|
1
|
|
Year 2020
|
Quarter 1
|
January
|
2
|
0
|
1
|
0
|
3
|
|
February
|
0
|
0
|
0
|
0
|
0
|
|
March
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 2
|
April
|
7
|
0
|
1
|
0
|
8
|
|
May
|
3
|
0
|
0
|
0
|
3
|
|
June
|
5
|
0
|
0
|
0
|
5
|
|
Quarter 3
|
July
|
2
|
0
|
0
|
0
|
2
|
|
August
|
2
|
0
|
0
|
0
|
2
|
|
September
|
4
|
0
|
0
|
0
|
4
|
|
Quarter 4
|
October
|
3
|
0
|
0
|
0
|
3
|
|
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
|
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
|
1
|
0
|
0
|
0
|
1
|
|
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
|
35
|
0
|
7
|
0
|
42
|
