Леонтьев, Артем Андреевич. Формирование модулированной структуры в цирконате-титанате свинца в области концентраций близких к чистому цирконату свинца [Электронный ресурс]: магистерская диссертация: 11.04.04 / А. А. Леонтьев; Санкт-Петербургский политехнический университет Петра Великого, Институт физики, нанотехнологий и телекоммуникаций; науч. рук. С. Б. Вахрушев. — Электрон. текстовые дан. (1 файл : 2,57 МБ). — Санкт-Петербург, 2017. — Загл. с титул. экрана. — Доступ по паролю из сети Интернет (чтение, печать, копирование). — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/v17-3099.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/v17-3099>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2017
|
Quarter 4
|
October
|
8
|
0
|
9
|
0
|
17
|
|
November
|
6
|
0
|
22
|
0
|
28
|
|
December
|
3
|
0
|
30
|
0
|
33
|
|
Year 2018
|
Quarter 1
|
January
|
1
|
0
|
19
|
0
|
20
|
|
February
|
1
|
0
|
16
|
0
|
17
|
|
March
|
1
|
0
|
12
|
0
|
13
|
|
Quarter 2
|
April
|
5
|
0
|
23
|
0
|
28
|
|
May
|
6
|
0
|
28
|
0
|
34
|
|
June
|
5
|
0
|
64
|
0
|
69
|
|
Quarter 3
|
July
|
2
|
0
|
38
|
0
|
40
|
|
August
|
2
|
0
|
9
|
0
|
11
|
|
September
|
3
|
0
|
21
|
0
|
24
|
|
Quarter 4
|
October
|
0
|
0
|
12
|
0
|
12
|
|
November
|
0
|
0
|
8
|
0
|
8
|
|
December
|
1
|
0
|
18
|
0
|
19
|
|
Year 2019
|
Quarter 1
|
January
|
2
|
0
|
21
|
0
|
23
|
|
February
|
0
|
0
|
10
|
0
|
10
|
|
March
|
0
|
0
|
15
|
0
|
15
|
|
Quarter 2
|
April
|
0
|
0
|
19
|
0
|
19
|
|
May
|
2
|
0
|
11
|
0
|
13
|
|
June
|
0
|
0
|
14
|
0
|
14
|
|
Quarter 3
|
July
|
0
|
0
|
6
|
0
|
6
|
|
August
|
0
|
0
|
13
|
0
|
13
|
|
September
|
2
|
0
|
15
|
0
|
17
|
|
Quarter 4
|
October
|
1
|
0
|
21
|
0
|
22
|
|
November
|
0
|
0
|
32
|
0
|
32
|
|
December
|
0
|
0
|
58
|
0
|
58
|
|
Year 2020
|
Quarter 1
|
January
|
0
|
0
|
25
|
0
|
25
|
|
February
|
0
|
0
|
20
|
0
|
20
|
|
March
|
0
|
0
|
7
|
0
|
7
|
|
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
|
51
|
0
|
616
|
0
|
667
|
