Козинец, Галина Леонидовна. Проектирование затворов гидротехнических сооружений [Электронный ресурс]: учебное пособие / Г. Л. Козинец; Санкт-Петербургский политехнический университет Петра Великого. — Электрон. текстовые дан. (1 файл : 1,19 Мб). — Санкт-Петербург: ПОЛИТЕХ-ПРЕСС, 2019. — Загл. с титул. экрана. — Электронная копия печатной публикации 2019 г. — Доступ по паролю из сети Интернет (чтение, печать). — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/i19-80.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/i19-80>.
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Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2019
|
Quarter 1
|
March
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
|
May
|
2
|
0
|
0
|
0
|
2
|
|
June
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
|
August
|
1
|
1
|
0
|
0
|
2
|
|
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
|
2
|
0
|
0
|
0
|
2
|
|
February
|
2
|
1
|
0
|
0
|
3
|
|
March
|
5
|
0
|
0
|
0
|
5
|
|
Quarter 2
|
April
|
13
|
0
|
0
|
0
|
13
|
|
May
|
17
|
1
|
0
|
0
|
18
|
|
June
|
5
|
0
|
0
|
0
|
5
|
|
Quarter 3
|
July
|
9
|
0
|
0
|
0
|
9
|
|
August
|
4
|
0
|
0
|
0
|
4
|
|
September
|
6
|
0
|
0
|
0
|
6
|
|
Quarter 4
|
October
|
6
|
0
|
0
|
0
|
6
|
|
November
|
16
|
1
|
0
|
0
|
17
|
|
December
|
23
|
2
|
0
|
0
|
25
|
|
Year 2021
|
Quarter 1
|
January
|
26
|
4
|
0
|
0
|
30
|
|
February
|
2
|
1
|
0
|
0
|
3
|
|
March
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
|
May
|
6
|
0
|
0
|
0
|
6
|
|
June
|
3
|
1
|
0
|
0
|
4
|
|
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
|
2
|
0
|
0
|
0
|
2
|
|
December
|
0
|
0
|
0
|
0
|
0
|
|
Year 2022
|
Quarter 1
|
January
|
0
|
0
|
0
|
0
|
0
|
|
February
|
1
|
0
|
0
|
0
|
1
|
|
March
|
5
|
1
|
0
|
0
|
6
|
|
Quarter 2
|
April
|
2
|
0
|
0
|
0
|
2
|
|
May
|
2
|
0
|
0
|
0
|
2
|
|
June
|
6
|
0
|
0
|
0
|
6
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
3
|
1
|
0
|
0
|
4
|
|
Quarter 4
|
October
|
2
|
0
|
0
|
0
|
2
|
|
November
|
1
|
0
|
0
|
0
|
1
|
|
December
|
5
|
0
|
0
|
0
|
5
|
|
Year 2023
|
Quarter 1
|
January
|
0
|
0
|
0
|
0
|
0
|
|
February
|
1
|
0
|
0
|
0
|
1
|
|
March
|
5
|
0
|
0
|
0
|
5
|
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
|
May
|
1
|
1
|
0
|
0
|
2
|
|
June
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
October
|
4
|
2
|
0
|
0
|
6
|
|
November
|
0
|
0
|
0
|
0
|
0
|
|
December
|
7
|
1
|
0
|
0
|
8
|
|
Year 2024
|
Quarter 1
|
January
|
0
|
0
|
0
|
0
|
0
|
|
February
|
1
|
0
|
0
|
0
|
1
|
|
March
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
|
May
|
0
|
0
|
0
|
0
|
0
|
|
Total
|
202
|
18
|
0
|
0
|
220
|
