Purification of hot water by zeolite modified with manganese dioxide = Очистка горячей сетевой воды цеолитом, модифицированным диоксидом марганца / A. V. Chechevichkin, N. I. Vatin, V. V. Samonin, M. A. Grekov. — 1 файл (1,14 Мб). — DOI 10.18720/MCE.76.18. — Текст: электронный // Инженерно-строительный журнал / Санкт-Петербургский политехнический университет Петра Великого. – 2017. – С. 201-213. — Загл. с титул. экрана. — Свободный доступ из сети Интернет (чтение, печать, копирование). — <URL:http://elib.spbstu.ru/dl/2/j18-479.pdf>.
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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
|
|
Year 2018
|
Quarter 4
|
December
|
4
|
0
|
2
|
0
|
6
|
|
Year 2019
|
Quarter 1
|
January
|
2
|
0
|
4
|
0
|
6
|
|
February
|
6
|
0
|
5
|
0
|
11
|
|
March
|
5
|
0
|
5
|
0
|
10
|
|
Quarter 2
|
April
|
2
|
0
|
4
|
0
|
6
|
|
May
|
3
|
0
|
3
|
0
|
6
|
|
June
|
3
|
0
|
4
|
0
|
7
|
|
Quarter 3
|
July
|
6
|
0
|
7
|
0
|
13
|
|
August
|
1
|
0
|
3
|
0
|
4
|
|
September
|
1
|
0
|
4
|
0
|
5
|
|
Quarter 4
|
October
|
2
|
0
|
3
|
0
|
5
|
|
November
|
1
|
0
|
2
|
0
|
3
|
|
December
|
0
|
0
|
4
|
0
|
4
|
|
Year 2020
|
Quarter 1
|
January
|
3
|
0
|
3
|
0
|
6
|
|
February
|
1
|
0
|
4
|
0
|
5
|
|
March
|
6
|
0
|
4
|
0
|
10
|
|
Quarter 2
|
April
|
5
|
0
|
0
|
0
|
5
|
|
May
|
4
|
0
|
0
|
0
|
4
|
|
June
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 3
|
July
|
3
|
0
|
0
|
0
|
3
|
|
August
|
2
|
0
|
0
|
0
|
2
|
|
September
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 4
|
October
|
1
|
0
|
0
|
0
|
1
|
|
November
|
1
|
0
|
6
|
0
|
7
|
|
December
|
1
|
0
|
9
|
0
|
10
|
|
Year 2021
|
Quarter 1
|
January
|
8
|
0
|
2
|
0
|
10
|
|
February
|
1
|
0
|
0
|
0
|
1
|
|
March
|
4
|
0
|
0
|
0
|
4
|
|
Quarter 2
|
April
|
1
|
0
|
1
|
0
|
2
|
|
May
|
2
|
0
|
2
|
0
|
4
|
|
June
|
7
|
0
|
6
|
0
|
13
|
|
Quarter 3
|
July
|
3
|
0
|
4
|
0
|
7
|
|
August
|
3
|
0
|
1
|
0
|
4
|
|
September
|
2
|
0
|
1
|
0
|
3
|
|
Quarter 4
|
October
|
0
|
0
|
8
|
0
|
8
|
|
November
|
2
|
0
|
1
|
0
|
3
|
|
December
|
0
|
0
|
1
|
0
|
1
|
|
Year 2022
|
Quarter 1
|
January
|
2
|
0
|
5
|
0
|
7
|
|
February
|
2
|
0
|
2
|
0
|
4
|
|
March
|
2
|
0
|
4
|
0
|
6
|
|
Quarter 2
|
April
|
1
|
0
|
1
|
0
|
2
|
|
May
|
4
|
0
|
1
|
0
|
5
|
|
June
|
2
|
0
|
3
|
0
|
5
|
|
Quarter 3
|
July
|
0
|
0
|
1
|
0
|
1
|
|
August
|
3
|
0
|
2
|
0
|
5
|
|
September
|
2
|
0
|
1
|
0
|
3
|
|
Quarter 4
|
October
|
7
|
0
|
3
|
0
|
10
|
|
November
|
2
|
0
|
3
|
0
|
5
|
|
December
|
3
|
0
|
4
|
0
|
7
|
|
Year 2023
|
Quarter 1
|
January
|
3
|
0
|
2
|
0
|
5
|
|
February
|
3
|
0
|
2
|
0
|
5
|
|
March
|
2
|
0
|
5
|
0
|
7
|
|
Quarter 2
|
April
|
1
|
0
|
1
|
0
|
2
|
|
May
|
0
|
0
|
4
|
0
|
4
|
|
June
|
2
|
0
|
1
|
0
|
3
|
|
Quarter 3
|
July
|
0
|
0
|
1
|
0
|
1
|
|
August
|
4
|
0
|
1
|
0
|
5
|
|
September
|
1
|
0
|
1
|
0
|
2
|
|
Quarter 4
|
October
|
3
|
0
|
3
|
0
|
6
|
|
November
|
2
|
0
|
2
|
0
|
4
|
|
December
|
3
|
0
|
1
|
0
|
4
|
|
Year 2024
|
Quarter 1
|
January
|
2
|
0
|
4
|
0
|
6
|
|
February
|
1
|
0
|
5
|
0
|
6
|
|
March
|
2
|
0
|
9
|
0
|
11
|
|
Quarter 2
|
April
|
5
|
0
|
10
|
0
|
15
|
|
May
|
0
|
0
|
2
|
0
|
2
|
|
Total
|
166
|
0
|
187
|
0
|
353
|
