oxidation state of fe in fe3o4

6:10

1:45

4:35

کوتاه

کوتاه

3:27

1:43

2:39

3:34

11:24

7:51

40:05

1:45

8:05

3:51

2:08

4:24

14:13

9:24

1:50

5:41

11:12

10:37

2:09

9:05

3:58

13:15

7:16

5:25

13:50

8:00

15:02

13:30

10:41

کوتاه

2:50

1:24