Denisov, A. V. The impact of superplasticizers on the radiation changes in Portland cement stone and concretes = Влияние суперпластификаторов на радиационные изменения портландцементного камня и бетонов / A. V. Denisov. — 1 файл (1,67 Мб). — DOI 10.18720/MCE.73.7. — Текст: электронный // Инженерно-строительный журнал / Санкт-Петербургский политехнический университет Петра Великого. – 2017. – № 5 (73). — С. 70-87. — Загл. с титул. экрана. — Свободный доступ из сети Интернет (чтение, печать, копирование). — <URL:http://elib.spbstu.ru/dl/2/j18-423.pdf>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2018
|
Quarter 4
|
December
|
4
|
0
|
7
|
0
|
11
|
|
Year 2019
|
Quarter 1
|
January
|
4
|
0
|
6
|
0
|
10
|
|
February
|
7
|
0
|
9
|
0
|
16
|
|
March
|
4
|
0
|
6
|
0
|
10
|
|
Quarter 2
|
April
|
3
|
0
|
4
|
0
|
7
|
|
May
|
3
|
0
|
3
|
0
|
6
|
|
June
|
5
|
0
|
4
|
0
|
9
|
|
Quarter 3
|
July
|
11
|
0
|
9
|
0
|
20
|
|
August
|
5
|
0
|
4
|
0
|
9
|
|
September
|
1
|
0
|
4
|
0
|
5
|
|
Quarter 4
|
October
|
1
|
0
|
2
|
0
|
3
|
|
November
|
2
|
0
|
2
|
0
|
4
|
|
December
|
3
|
0
|
5
|
0
|
8
|
|
Year 2020
|
Quarter 1
|
January
|
9
|
0
|
6
|
0
|
15
|
|
February
|
3
|
0
|
7
|
0
|
10
|
|
March
|
4
|
0
|
2
|
0
|
6
|
|
Quarter 2
|
April
|
4
|
0
|
0
|
0
|
4
|
|
May
|
5
|
0
|
0
|
0
|
5
|
|
June
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 3
|
July
|
2
|
0
|
0
|
0
|
2
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
6
|
0
|
0
|
0
|
6
|
|
Quarter 4
|
October
|
4
|
0
|
0
|
0
|
4
|
|
November
|
2
|
0
|
5
|
0
|
7
|
|
December
|
2
|
0
|
10
|
0
|
12
|
|
Year 2021
|
Quarter 1
|
January
|
5
|
0
|
4
|
0
|
9
|
|
February
|
7
|
0
|
3
|
0
|
10
|
|
March
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 2
|
April
|
0
|
0
|
1
|
0
|
1
|
|
May
|
4
|
0
|
3
|
0
|
7
|
|
June
|
2
|
0
|
3
|
0
|
5
|
|
Quarter 3
|
July
|
3
|
0
|
1
|
0
|
4
|
|
August
|
3
|
0
|
5
|
0
|
8
|
|
September
|
0
|
0
|
1
|
0
|
1
|
|
Quarter 4
|
October
|
0
|
0
|
6
|
0
|
6
|
|
November
|
1
|
0
|
2
|
0
|
3
|
|
December
|
1
|
0
|
2
|
0
|
3
|
|
Year 2022
|
Quarter 1
|
January
|
0
|
0
|
7
|
0
|
7
|
|
February
|
2
|
0
|
2
|
0
|
4
|
|
March
|
2
|
0
|
2
|
0
|
4
|
|
Quarter 2
|
April
|
1
|
0
|
3
|
0
|
4
|
|
May
|
3
|
0
|
3
|
0
|
6
|
|
June
|
3
|
0
|
1
|
0
|
4
|
|
Quarter 3
|
July
|
1
|
0
|
0
|
0
|
1
|
|
August
|
6
|
0
|
1
|
0
|
7
|
|
September
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 4
|
October
|
3
|
0
|
0
|
0
|
3
|
|
November
|
5
|
0
|
1
|
0
|
6
|
|
December
|
6
|
0
|
1
|
0
|
7
|
|
Year 2023
|
Quarter 1
|
January
|
2
|
0
|
0
|
0
|
2
|
|
February
|
3
|
0
|
1
|
0
|
4
|
|
March
|
2
|
0
|
3
|
0
|
5
|
|
Quarter 2
|
April
|
2
|
0
|
3
|
0
|
5
|
|
May
|
2
|
0
|
2
|
0
|
4
|
|
June
|
1
|
0
|
1
|
0
|
2
|
|
Quarter 3
|
July
|
3
|
0
|
2
|
0
|
5
|
|
August
|
3
|
0
|
3
|
0
|
6
|
|
September
|
2
|
0
|
4
|
0
|
6
|
|
Quarter 4
|
October
|
10
|
0
|
5
|
0
|
15
|
|
November
|
2
|
0
|
2
|
0
|
4
|
|
December
|
2
|
0
|
1
|
0
|
3
|
|
Year 2024
|
Quarter 1
|
January
|
2
|
0
|
7
|
0
|
9
|
|
February
|
1
|
0
|
7
|
0
|
8
|
|
March
|
1
|
0
|
8
|
0
|
9
|
|
Quarter 2
|
April
|
5
|
0
|
4
|
0
|
9
|
|
Total
|
200
|
0
|
200
|
0
|
400
|
