Беляев, Н.Д. Механическое оборудование шлюзов. Двустворчатые ворота [Электронный ресурс]: Учеб.пособие / Н.Д. Беляев, П.А. Гарибин; Санкт-Петербургский государственный политехнический университет. — Электрон. текстовые дан. (1 файл : 330 Кб). — Санкт-Петербург, 2003. — Загл. с титул. экрана. — Электрон. версия печ. публикации. — Доступ из локальной сети ИБК СПбПУ. — Adobe Acrobat Reader 4.0. — <URL:http://elib.spbstu.ru/dl/local/449.pdf>.
Period
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Read
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Print
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Copy
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Open
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Total
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Year 2013
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Quarter 1
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January
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0
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0
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1
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0
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1
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February
|
0
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0
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0
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0
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0
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March
|
0
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0
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0
|
0
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0
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Quarter 2
|
April
|
0
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0
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0
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0
|
0
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May
|
0
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0
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0
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0
|
0
|
June
|
0
|
0
|
0
|
0
|
0
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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 2014
|
Quarter 1
|
January
|
1
|
0
|
1
|
0
|
2
|
February
|
0
|
0
|
0
|
0
|
0
|
March
|
0
|
0
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0
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0
|
0
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Quarter 2
|
April
|
0
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0
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0
|
0
|
0
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May
|
0
|
0
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0
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0
|
0
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June
|
0
|
0
|
0
|
0
|
0
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Quarter 3
|
July
|
0
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0
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0
|
0
|
0
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August
|
0
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0
|
0
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0
|
0
|
September
|
0
|
0
|
0
|
0
|
0
|
Quarter 4
|
October
|
0
|
0
|
0
|
0
|
0
|
November
|
0
|
0
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0
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0
|
0
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December
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0
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0
|
0
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0
|
0
|
2015
|
Quarter 1
|
January
|
0
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0
|
0
|
0
|
0
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February
|
0
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0
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0
|
0
|
0
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March
|
0
|
0
|
0
|
0
|
0
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Quarter 2
|
April
|
0
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0
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0
|
0
|
0
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May
|
0
|
0
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0
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0
|
0
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June
|
0
|
0
|
0
|
0
|
0
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Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
August
|
0
|
0
|
0
|
0
|
0
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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
|
2016
|
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
|
2017
|
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
|
2018
|
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
|
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
|
0
|
0
|
4
|
0
|
4
|
February
|
0
|
0
|
1
|
0
|
1
|
March
|
0
|
0
|
0
|
0
|
0
|
Quarter 2
|
April
|
1
|
0
|
2
|
0
|
3
|
May
|
0
|
0
|
0
|
0
|
0
|
June
|
0
|
0
|
1
|
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
|
1
|
0
|
0
|
0
|
1
|
Year 2021
|
Quarter 1
|
January
|
0
|
0
|
0
|
0
|
0
|
February
|
0
|
0
|
1
|
0
|
1
|
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
|
1
|
0
|
1
|
0
|
2
|
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
|
Total
|
4
|
0
|
12
|
0
|
16
|