Пробоподготовка для масс-спектрометрического анализа фракционирования изотопов {13}С/{12}С из окружающей среды в углеродный пул растений = Sample preparation for a mass-spectrometric analysis of {13}С/{12}С isotope fractionation from environment to the plant carbon pool / Т. Э. Кулешова, Е. С. Павлова, Ю. А. Титов [и др.]. — 1 файл (1,09 Мб). — (Приборы и техника физического эксперимента). — DOI 10.18721/JPM.12407. — Текст: электронный // Научно-технические ведомости Санкт-Петербургского государственного политехнического университета. Сер.: Физико-математические науки. – 2019. – Т. 12, № 4. — С. 69-78. — Загл. с титул. экрана. — Свободный доступ из сети Интернет (чтение, печать, копирование). — <URL:http://elib.spbstu.ru/dl/2/j20-9.pdf>. — <URL:http://dx.doi.org/10.18721/JPM.12407>.
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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 2020
|
Quarter 1
|
January
|
3
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0
|
1
|
0
|
4
|
|
February
|
0
|
0
|
3
|
0
|
3
|
|
March
|
9
|
0
|
5
|
0
|
14
|
|
Quarter 2
|
April
|
6
|
0
|
0
|
0
|
6
|
|
May
|
1
|
0
|
0
|
0
|
1
|
|
June
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 3
|
July
|
4
|
0
|
0
|
0
|
4
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
4
|
0
|
0
|
0
|
4
|
|
Quarter 4
|
October
|
3
|
0
|
0
|
0
|
3
|
|
November
|
0
|
0
|
6
|
0
|
6
|
|
December
|
4
|
0
|
5
|
0
|
9
|
|
Year 2021
|
Quarter 1
|
January
|
4
|
0
|
9
|
0
|
13
|
|
February
|
3
|
0
|
3
|
0
|
6
|
|
March
|
0
|
0
|
2
|
0
|
2
|
|
Quarter 2
|
April
|
5
|
0
|
4
|
0
|
9
|
|
May
|
0
|
0
|
3
|
0
|
3
|
|
June
|
6
|
0
|
3
|
0
|
9
|
|
Quarter 3
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July
|
4
|
0
|
12
|
0
|
16
|
|
August
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6
|
0
|
2
|
0
|
8
|
|
September
|
1
|
0
|
4
|
0
|
5
|
|
Quarter 4
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October
|
5
|
0
|
9
|
0
|
14
|
|
November
|
1
|
0
|
5
|
0
|
6
|
|
December
|
0
|
0
|
3
|
0
|
3
|
|
Year 2022
|
Quarter 1
|
January
|
4
|
0
|
8
|
0
|
12
|
|
February
|
0
|
0
|
3
|
0
|
3
|
|
March
|
5
|
0
|
5
|
0
|
10
|
|
Quarter 2
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April
|
2
|
0
|
10
|
0
|
12
|
|
May
|
1
|
0
|
1
|
0
|
2
|
|
June
|
8
|
0
|
3
|
0
|
11
|
|
Quarter 3
|
July
|
6
|
0
|
4
|
0
|
10
|
|
August
|
5
|
0
|
4
|
0
|
9
|
|
September
|
6
|
0
|
2
|
0
|
8
|
|
Quarter 4
|
October
|
3
|
0
|
2
|
0
|
5
|
|
November
|
3
|
0
|
1
|
0
|
4
|
|
December
|
4
|
0
|
7
|
0
|
11
|
|
Year 2023
|
Quarter 1
|
January
|
10
|
0
|
1
|
0
|
11
|
|
February
|
2
|
0
|
4
|
0
|
6
|
|
March
|
1
|
0
|
1
|
0
|
2
|
|
Quarter 2
|
April
|
1
|
0
|
4
|
0
|
5
|
|
May
|
3
|
0
|
1
|
0
|
4
|
|
June
|
3
|
0
|
3
|
0
|
6
|
|
Quarter 3
|
July
|
1
|
0
|
6
|
0
|
7
|
|
August
|
2
|
0
|
2
|
0
|
4
|
|
September
|
2
|
0
|
1
|
0
|
3
|
|
Quarter 4
|
October
|
2
|
0
|
5
|
0
|
7
|
|
November
|
2
|
0
|
4
|
0
|
6
|
|
December
|
3
|
0
|
6
|
0
|
9
|
|
Year 2024
|
Quarter 1
|
January
|
1
|
0
|
2
|
0
|
3
|
|
February
|
1
|
0
|
5
|
0
|
6
|
|
March
|
0
|
0
|
2
|
0
|
2
|
|
Quarter 2
|
April
|
8
|
0
|
8
|
0
|
16
|
|
May
|
1
|
0
|
3
|
0
|
4
|
|
Total
|
162
|
0
|
187
|
0
|
349
|
