Портнягин, Денис Геннадьевич. Составы и свойства пеностеклокристаллических материалов из композиций стеклобоя и высококальциевого шлака [Электронный ресурс] / Д.Г. Портнягин, Ю.В. Селиванов, В.М. Селиванов, А.Д. Шильцина. — (Материалы). — Электрон. текстовые дан. // Инженерно-строительный журнал / Санкт-Петербургский политехнический университет Петра Великого. – Санкт-Петербург. – 2011. – Загл. с титул. экрана. — Электрон. версия печ. публикации. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Текстовый файл. — Adobe Acrobat Reader 6.0. — <URL:https://engstroy.spbstu.ru/article/2011.26.4/>. — <URL:http://elib.spbstu.ru/dl/2/ed-62_800045_0000928712pa.pdf>.
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
Year 2020
|
Quarter 2
|
April
|
0
|
0
|
0
|
1
|
1
|
May
|
0
|
0
|
0
|
1
|
1
|
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 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
|
1
|
1
|
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
|
2
|
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 2023
|
Quarter 1
|
January
|
0
|
0
|
0
|
1
|
1
|
February
|
0
|
0
|
0
|
0
|
0
|
March
|
0
|
0
|
0
|
0
|
0
|
Quarter 2
|
April
|
0
|
0
|
0
|
2
|
2
|
May
|
0
|
0
|
0
|
1
|
1
|
June
|
0
|
0
|
0
|
0
|
0
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
August
|
0
|
0
|
0
|
3
|
3
|
September
|
0
|
0
|
0
|
2
|
2
|
Quarter 4
|
October
|
0
|
0
|
0
|
0
|
0
|
November
|
0
|
0
|
0
|
0
|
0
|
December
|
0
|
0
|
0
|
0
|
0
|
Year 2024
|
Quarter 1
|
January
|
0
|
0
|
0
|
0
|
0
|
February
|
0
|
0
|
0
|
0
|
0
|
March
|
0
|
0
|
0
|
1
|
1
|
Quarter 2
|
April
|
0
|
0
|
0
|
2
|
2
|
May
|
0
|
0
|
0
|
1
|
1
|
June
|
0
|
0
|
0
|
3
|
3
|
Quarter 3
|
July
|
0
|
0
|
0
|
6
|
6
|
August
|
0
|
0
|
0
|
4
|
4
|
September
|
0
|
0
|
0
|
0
|
0
|
Total
|
0
|
0
|
0
|
31
|
31
|