О влиянии чистоты поверхностей на гидравлические потери в центробежном насосе [Электронный ресурс] = About influence of surfaces smoothness on hydraulic losses in a centrifugal pump / Д. А. Горбатов [и др.]. — Электрон. текстовые дан. (1 файл : 446 Кб) // Гидравлические машины, гидропневмоприводы и гидропневмоавтоматика. Современное состояние и перспективы развития [Электронный ресурс]: сборник научных трудов международной научно-технической конференции, 7–8 июня 2018 г. / Санкт-Петербургский политехнический университет Петра Великого. – Санкт-Петербург, 2018. — Загл. с титул. экрана. — Рез. и ключевые сл. на англ. яз. — Электронная версия печатной публикации. — Доступ по паролю из сети Интернет (чтение, печать). — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/id18-46.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/id18-46>.
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
Year 2018
|
Quarter 3
|
August
|
1
|
0
|
0
|
0
|
1
|
September
|
1
|
0
|
0
|
0
|
1
|
Quarter 4
|
October
|
2
|
0
|
0
|
0
|
2
|
November
|
0
|
0
|
0
|
0
|
0
|
December
|
0
|
0
|
0
|
0
|
0
|
2019
|
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 2020
|
Quarter 1
|
January
|
4
|
0
|
0
|
0
|
4
|
February
|
0
|
0
|
0
|
0
|
0
|
March
|
2
|
0
|
0
|
0
|
2
|
Quarter 2
|
April
|
5
|
0
|
0
|
0
|
5
|
May
|
3
|
0
|
0
|
0
|
3
|
June
|
8
|
0
|
0
|
0
|
8
|
Quarter 3
|
July
|
3
|
0
|
0
|
0
|
3
|
August
|
0
|
0
|
0
|
0
|
0
|
September
|
4
|
0
|
0
|
0
|
4
|
Quarter 4
|
October
|
4
|
0
|
0
|
0
|
4
|
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
|
0
|
0
|
0
|
0
|
0
|
September
|
0
|
0
|
0
|
0
|
0
|
Quarter 4
|
October
|
0
|
0
|
0
|
0
|
0
|
November
|
3
|
0
|
0
|
0
|
3
|
December
|
1
|
0
|
0
|
0
|
1
|
Total
|
41
|
0
|
0
|
0
|
41
|