Lev1: SOLVENT EXTRACTION AND ION EXCHANGE//CYANEX 272//D2EHPA - Statistics for Countries

Statistics per Country

Number of publications, full counts

Obs Country 1990-1994 1995-1999 2000-2004 2005-2009 2010-2014 All years
1 All countries 266 258 237 221 271 1253
2 Poland 68 51 32 23 22 196
3 India 23 43 34 36 38 174
4 China 9 16 25 23 51 124
5 Spain 33 37 24 9 11 114
6 Japan 21 13 16 9 10 69
7 France 22 20 9 11 3 65
8 Australia 1 8 10 12 32 63
9 United States 22 13 10 2 7 54
10 Germany 18 14 12 4 5 53
11 Korea, Republic of 1 2 8 24 16 51
12 Canada 8 10 10 6 10 44
13 United Kingdom 14 8 7 9 2 40
14 South Africa 7 10 6 4 7 34
15 Bangladesh 4 5 8 7 6 30
16 Iran, Islamic Republic of . . 2 10 17 29
17 Egypt 2 4 5 7 10 28
18 Russian Federation 4 7 2 6 8 27
19 Bulgaria 3 5 7 5 . 20
20 Portugal . 1 5 8 3 17
21 Turkey . . 4 9 4 17
22 Brazil . . 6 4 6 16
23 Taiwan 13 1 1 . 1 16
24 Italy 7 3 1 1 3 15
25 Algeria . 2 2 5 4 13
26 Austria 4 2 . 2 1 9
27 Belgium . 1 3 3 1 8
28 Finland 4 1 1 . 2 8
29 Chile . 2 4 1 . 7
30 Malaysia . . 1 3 3 7
31 Mexico . 3 2 1 1 7
32 Morocco 1 3 2 . 1 7
33 Greece . . 3 2 . 5
34 Israel 4 . . . 1 5
35 Czech Republic 2 2 . . . 4
36 Norway 3 . 1 . . 4
37 Romania . . 1 . 3 4
38 Netherlands 1 1 1 . . 3
39 Nigeria 1 . . 1 1 3
40 Saudi Arabia . . . . 3 3
41 Congo . . 1 . 1 2
42 Czechoslovakia 2 . . . . 2
43 Hong Kong 1 1 . . . 2
44 Pakistan . 1 . 1 . 2
45 Republic of Serbia . . . 1 1 2
46 Syrian Arab Republic . . 1 . 1 2
47 Tunisia . 1 . 1 . 2
48 USSR 2 . . . . 2
49 Yugoslavia 1 1 . . . 2
50 Argentina . . 1 . . 1
51 Botswana . . . 1 . 1
52 Cameroon . . . . 1 1
53 Cuba . . . 1 . 1
54 Estonia . 1 . . . 1
55 Hungary 1 . . . . 1
56 Indonesia . . 1 . . 1
57 Kazakhstan . . . 1 . 1
58 Namibia . . . . 1 1
59 New Caledonia . . 1 . . 1
60 Sri Lanka . . . 1 . 1
61 Sweden . . 1 . . 1
62 Tanzania 1 . . . . 1
63 Ukraine . . 1 . . 1
64 United Arab Emirates . . . . 1 1
65 Viet Nam . . . . 1 1
66 Zimbabwe . . 1 . . 1

Number of publications, full counts



Bar chart of publication_year

Share of the total number of publications in the field, full counts (%)

Obs Country 1990-1994 1995-1999 2000-2004 2005-2009 2010-2014 All years
1 All countries 100.0 100.0 100.0 100.0 100.0 100.0
2 Poland 25.6 19.8 13.5 10.4 8.1 15.6
3 India 8.6 16.7 14.3 16.3 14.0 13.9
4 China 3.4 6.2 10.5 10.4 18.8 9.9
5 Spain 12.4 14.3 10.1 4.1 4.1 9.1
6 Japan 7.9 5.0 6.8 4.1 3.7 5.5
7 France 8.3 7.8 3.8 5.0 1.1 5.2
8 Australia 0.4 3.1 4.2 5.4 11.8 5.0
9 United States 8.3 5.0 4.2 0.9 2.6 4.3
10 Germany 6.8 5.4 5.1 1.8 1.8 4.2
11 Korea, Republic of 0.4 0.8 3.4 10.9 5.9 4.1
12 Canada 3.0 3.9 4.2 2.7 3.7 3.5
13 United Kingdom 5.3 3.1 3.0 4.1 0.7 3.2
14 South Africa 2.6 3.9 2.5 1.8 2.6 2.7
15 Bangladesh 1.5 1.9 3.4 3.2 2.2 2.4
16 Iran, Islamic Republic of . . 0.8 4.5 6.3 2.3
17 Egypt 0.8 1.6 2.1 3.2 3.7 2.2
18 Russian Federation 1.5 2.7 0.8 2.7 3.0 2.2
19 Bulgaria 1.1 1.9 3.0 2.3 . 1.6
20 Portugal . 0.4 2.1 3.6 1.1 1.4
21 Turkey . . 1.7 4.1 1.5 1.4
22 Brazil . . 2.5 1.8 2.2 1.3
23 Taiwan 4.9 0.4 0.4 . 0.4 1.3
24 Italy 2.6 1.2 0.4 0.5 1.1 1.2
25 Algeria . 0.8 0.8 2.3 1.5 1.0
26 Austria 1.5 0.8 . 0.9 0.4 0.7
27 Belgium . 0.4 1.3 1.4 0.4 0.6
28 Finland 1.5 0.4 0.4 . 0.7 0.6
29 Chile . 0.8 1.7 0.5 . 0.6
30 Malaysia . . 0.4 1.4 1.1 0.6
31 Mexico . 1.2 0.8 0.5 0.4 0.6
32 Morocco 0.4 1.2 0.8 . 0.4 0.6
33 Greece . . 1.3 0.9 . 0.4
34 Israel 1.5 . . . 0.4 0.4
35 Czech Republic 0.8 0.8 . . . 0.3
36 Norway 1.1 . 0.4 . . 0.3
37 Romania . . 0.4 . 1.1 0.3
38 Netherlands 0.4 0.4 0.4 . . 0.2
39 Nigeria 0.4 . . 0.5 0.4 0.2
40 Saudi Arabia . . . . 1.1 0.2
41 Congo . . 0.4 . 0.4 0.2
42 Czechoslovakia 0.8 . . . . 0.2
43 Hong Kong 0.4 0.4 . . . 0.2
44 Pakistan . 0.4 . 0.5 . 0.2
45 Republic of Serbia . . . 0.5 0.4 0.2
46 Syrian Arab Republic . . 0.4 . 0.4 0.2
47 Tunisia . 0.4 . 0.5 . 0.2
48 USSR 0.8 . . . . 0.2
49 Yugoslavia 0.4 0.4 . . . 0.2
50 Argentina . . 0.4 . . 0.1
51 Botswana . . . 0.5 . 0.1
52 Cameroon . . . . 0.4 0.1
53 Cuba . . . 0.5 . 0.1
54 Estonia . 0.4 . . . 0.1
55 Hungary 0.4 . . . . 0.1
56 Indonesia . . 0.4 . . 0.1
57 Kazakhstan . . . 0.5 . 0.1
58 Namibia . . . . 0.4 0.1
59 New Caledonia . . 0.4 . . 0.1
60 Sri Lanka . . . 0.5 . 0.1
61 Sweden . . 0.4 . . 0.1
62 Tanzania 0.4 . . . . 0.1
63 Ukraine . . 0.4 . . 0.1
64 United Arab Emirates . . . . 0.4 0.1
65 Viet Nam . . . . 0.4 0.1
66 Zimbabwe . . 0.4 . . 0.1

Share of the total number of publications in the field, full counts (%)



Bar chart of publication_year

Number of publications among 10% most cited in field, full counts

Obs Country 1990-1994 1995-1999 2000-2004 2005-2009 2010-2014 All years
1 All countries 24.0 25.8 15.7 20.6 12.8 98.9
2 Poland 0.0 2.3 0.0 0.0 1.0 3.3
3 India 2.0 9.5 6.7 8.7 5.4 32.3
4 China 0.0 0.0 1.0 0.0 0.0 1.0
5 Spain 3.0 5.0 0.0 0.0 1.0 9.0
6 Japan 4.0 0.0 1.0 0.0 0.0 5.0
7 France 0.0 3.0 0.0 0.0 0.3 3.3
8 Australia 0.0 0.0 1.0 2.0 3.5 6.5
9 United States 2.5 2.0 0.0 0.0 0.0 4.5
10 Germany 0.0 1.0 0.3 0.0 0.0 1.3
11 Korea, Republic of 0.0 0.0 0.0 4.3 1.4 5.8
12 Canada 1.0 1.0 2.0 1.0 0.3 5.3
13 United Kingdom 4.0 0.0 0.0 2.0 0.0 6.0
14 South Africa 3.0 2.0 1.0 1.0 0.0 7.0
15 Bangladesh 2.0 1.0 0.0 0.0 0.0 3.0
16 Iran, Islamic Republic of . . 0.0 4.0 0.0 4.0
17 Egypt 0.0 0.0 0.0 0.0 0.1 0.1
18 Russian Federation 0.0 0.0 0.0 0.0 0.0 0.0
19 Bulgaria 1.0 0.0 0.0 0.0 . 1.0
20 Portugal . 1.0 1.0 0.3 0.0 2.3
21 Turkey . . 0.0 1.0 0.0 1.0
22 Brazil . . 0.0 0.6 0.0 0.6
23 Taiwan 0.0 0.0 0.0 . 0.0 0.0
24 Italy 0.0 0.0 0.0 0.0 1.0 1.0
25 Algeria . 1.0 0.0 1.0 0.3 2.3
26 Austria 1.0 1.0 . 0.0 0.0 2.0
27 Belgium . 0.0 0.3 0.0 0.0 0.3
28 Finland 1.0 0.0 0.0 . 0.0 1.0
29 Chile . 1.0 0.0 0.0 . 1.0
30 Malaysia . . 0.0 0.0 0.0 0.0
31 Mexico . 0.0 0.0 0.0 0.0 0.0
32 Morocco 0.0 0.0 0.0 . 0.0 0.0
33 Greece . . 1.7 0.0 . 1.7
34 Israel 0.0 . . . 0.0 0.0
35 Czech Republic 0.0 0.0 . . . 0.0
36 Norway 2.0 . 0.0 . . 2.0
37 Romania . . 0.0 . 0.0 0.0
38 Netherlands 0.0 0.0 0.0 . . 0.0
39 Nigeria 1.0 . . 0.0 0.0 1.0
40 Saudi Arabia . . . . 0.0 0.0
41 Congo . . 0.3 . 0.0 0.3
42 Czechoslovakia 0.0 . . . . 0.0
43 Hong Kong 0.0 0.0 . . . 0.0
44 Pakistan . 0.0 . 0.0 . 0.0
45 Republic of Serbia . . . 0.0 0.0 0.0
46 Syrian Arab Republic . . 0.0 . 0.0 0.0
47 Tunisia . 0.0 . 0.0 . 0.0
48 USSR 0.0 . . . . 0.0
49 Yugoslavia 0.0 0.0 . . . 0.0
50 Argentina . . 0.0 . . 0.0
51 Botswana . . . 0.0 . 0.0
52 Cameroon . . . . 0.0 0.0
53 Cuba . . . 0.0 . 0.0
54 Estonia . 0.0 . . . 0.0
55 Hungary 0.0 . . . . 0.0
56 Indonesia . . 0.0 . . 0.0
57 Kazakhstan . . . 0.0 . 0.0
58 Namibia . . . . 0.0 0.0
59 New Caledonia . . 1.0 . . 1.0
60 Sri Lanka . . . 0.0 . 0.0
61 Sweden . . 0.0 . . 0.0
62 Tanzania 1.0 . . . . 1.0
63 Ukraine . . 0.0 . . 0.0
64 United Arab Emirates . . . . 0.0 0.0
65 Viet Nam . . . . 0.0 0.0
66 Zimbabwe . . 0.0 . . 0.0

Number of publications among 10% most cited in field, full counts



Bar chart of publication_year

Share of publications among 10% most cited in field, fractionalized (%)

Obs Country 1990-1994 1995-1999 2000-2004 2005-2009 2010-2014 All years
1 All countries 9.0 10.0 6.6 9.3 4.7 7.9
2 Poland 0.0 5.2 0.0 0.0 4.5 1.9
3 India 8.7 21.2 19.9 20.5 12.4 17.2
4 China 0.0 0.0 4.0 0.0 0.0 0.8
5 Spain 9.5 11.7 0.0 0.0 6.4 7.2
6 Japan 19.0 0.0 6.7 0.0 0.0 7.7
7 France 0.0 15.6 0.0 0.0 4.8 4.8
8 Australia 0.0 0.0 10.7 19.7 11.4 11.1
9 United States 11.6 16.9 0.0 0.0 0.0 9.5
10 Germany 0.0 5.6 1.1 0.0 0.0 1.5
11 Korea, Republic of 0.0 0.0 0.0 11.8 5.1 6.8
12 Canada 14.3 10.0 16.7 21.4 1.9 12.6
13 United Kingdom 26.8 0.0 0.0 24.2 0.0 14.8
14 South Africa 42.9 20.0 17.6 28.6 0.0 21.8
15 Bangladesh 33.3 20.0 0.0 0.0 0.0 6.9
16 Iran, Islamic Republic of . . 0.0 40.0 0.0 14.2
17 Egypt 0.0 0.0 0.0 0.0 1.8 0.6
18 Russian Federation 0.0 0.0 0.0 0.0 0.0 0.0
19 Bulgaria 33.3 0.0 0.0 0.0 . 7.3
20 Portugal . 100.0 20.0 4.2 0.0 11.5
21 Turkey . . 0.0 9.3 0.0 4.6
22 Brazil . . 0.0 14.1 0.0 3.8
23 Taiwan 0.0 0.0 0.0 . 0.0 0.0
24 Italy 0.0 0.0 0.0 0.0 50.0 10.5
25 Algeria . 50.0 0.0 25.0 3.3 16.4
26 Austria 33.3 42.9 . 0.0 0.0 24.3
27 Belgium . 0.0 6.7 0.0 0.0 1.8
28 Finland 16.7 0.0 0.0 . 0.0 7.1
29 Chile . 50.0 0.0 0.0 . 11.1
30 Malaysia . . 0.0 0.0 0.0 0.0
31 Mexico . 0.0 0.0 0.0 0.0 0.0
32 Morocco 0.0 0.0 0.0 . 0.0 0.0
33 Greece . . 55.6 0.0 . 33.3
34 Israel 0.0 . . . 0.0 0.0
35 Czech Republic 0.0 0.0 . . . 0.0
36 Norway 66.7 . 0.0 . . 52.6
37 Romania . . 0.0 . 0.0 0.0
38 Netherlands 0.0 0.0 0.0 . . 0.0
39 Nigeria 100.0 . . 0.0 0.0 20.0
40 Saudi Arabia . . . . 0.0 0.0
41 Congo . . 33.3 . 0.0 13.3
42 Czechoslovakia 0.0 . . . . 0.0
43 Hong Kong 0.0 0.0 . . . 0.0
44 Pakistan . 0.0 . 0.0 . 0.0
45 Republic of Serbia . . . 0.0 0.0 0.0
46 Syrian Arab Republic . . 0.0 . 0.0 0.0
47 Tunisia . 0.0 . 0.0 . 0.0
48 USSR 0.0 . . . . 0.0
49 Yugoslavia 0.0 0.0 . . . 0.0
50 Argentina . . 0.0 . . 0.0
51 Botswana . . . 0.0 . 0.0
52 Cameroon . . . . 0.0 0.0
53 Cuba . . . 0.0 . 0.0
54 Estonia . 0.0 . . . 0.0
55 Hungary 0.0 . . . . 0.0
56 Indonesia . . 0.0 . . 0.0
57 Kazakhstan . . . 0.0 . 0.0
58 Namibia . . . . 0.0 0.0
59 New Caledonia . . 100.0 . . 100.0
60 Sri Lanka . . . 0.0 . 0.0
61 Sweden . . 0.0 . . 0.0
62 Tanzania 100.0 . . . . 100.0
63 Ukraine . . 0.0 . . 0.0
64 United Arab Emirates . . . . 0.0 0.0
65 Viet Nam . . . . 0.0 0.0
66 Zimbabwe . . 0.0 . . 0.0

Share of publications among 10% most cited in field, fractionalized (%)



Bar chart of publication_year

Field normalized citation rate (cf), fractionalized

Obs Country 1990-1994 1995-1999 2000-2004 2005-2009 2010-2014 All years
1 All countries 0.86 0.97 0.77 0.91 0.68 0.84
2 Poland 0.28 0.56 0.41 0.35 0.69 0.44
3 India 1.09 1.53 1.22 1.37 0.99 1.26
4 China 0.99 0.24 0.39 0.42 0.55 0.48
5 Spain 0.67 1.05 0.54 0.25 0.46 0.71
6 Japan 0.98 0.42 0.55 0.48 0.42 0.64
7 France 0.60 1.08 0.46 0.39 0.53 0.67
8 Australia 0.44 0.47 1.16 2.06 1.06 1.17
9 United States 1.61 1.87 0.41 0.59 0.35 1.32
10 Germany 0.28 0.76 0.37 0.14 0.30 0.40
11 Korea, Republic of 0.66 1.12 0.28 0.83 0.68 0.68
12 Canada 1.29 1.30 1.93 1.08 0.69 1.33
13 United Kingdom 1.43 0.55 0.61 1.63 1.07 1.14
14 South Africa 4.10 1.30 1.13 2.22 0.54 1.84
15 Bangladesh 1.15 2.67 1.50 0.84 0.21 1.24
16 Iran, Islamic Republic of . . 1.24 2.34 0.60 1.26
17 Egypt 0.31 0.43 0.35 0.85 0.45 0.52
18 Russian Federation 0.10 0.21 0.05 0.06 0.34 0.19
19 Bulgaria 1.53 0.98 0.41 0.30 . 0.83
20 Portugal . 3.32 1.01 0.55 0.62 0.79
21 Turkey . . 0.32 1.20 0.18 0.72
22 Brazil . . 1.04 1.61 0.39 0.93
23 Taiwan 0.38 0.05 0.25 . 0.35 0.35
24 Italy 0.83 1.20 1.56 1.28 1.99 1.26
25 Algeria . 2.72 0.10 1.67 0.54 1.16
26 Austria 1.51 2.86 . 0.34 0.00 1.33
27 Belgium . 0.00 0.66 1.02 0.48 0.72
28 Finland 1.35 0.32 1.86 . 0.29 0.97
29 Chile . 1.52 0.30 0.00 . 0.50
30 Malaysia . . 1.54 1.00 0.74 0.96
31 Mexico . 1.06 1.02 0.32 0.00 0.72
32 Morocco 0.84 0.04 1.12 . 0.00 0.50
33 Greece . . 2.77 0.66 . 1.92
34 Israel 0.61 . . . 0.87 0.63
35 Czech Republic 0.07 0.06 . . . 0.07
36 Norway 2.69 . 0.16 . . 2.16
37 Romania . . 0.37 . 0.62 0.55
38 Netherlands 0.09 0.34 0.16 . . 0.21
39 Nigeria 3.10 . . 0.15 1.30 1.20
40 Saudi Arabia . . . . 0.20 0.20
41 Congo . . 2.68 . 0.48 1.36
42 Czechoslovakia 0.59 . . . . 0.59
43 Hong Kong 0.35 0.11 . . . 0.23
44 Pakistan . 0.31 . 0.04 . 0.17
45 Republic of Serbia . . . 0.36 0.00 0.18
46 Syrian Arab Republic . . 0.03 . 0.12 0.08
47 Tunisia . 1.59 . 1.51 . 1.57
48 USSR 0.17 . . . . 0.17
49 Yugoslavia 0.65 0.05 . . . 0.35
50 Argentina . . 0.37 . . 0.37
51 Botswana . . . 1.45 . 1.45
52 Cameroon . . . . 0.08 0.08
53 Cuba . . . 0.17 . 0.17
54 Estonia . 0.06 . . . 0.06
55 Hungary 0.52 . . . . 0.52
56 Indonesia . . 1.78 . . 1.78
57 Kazakhstan . . . 0.09 . 0.09
58 Namibia . . . . 0.00 0.00
59 New Caledonia . . 5.58 . . 5.58
60 Sri Lanka . . . 0.13 . 0.13
61 Sweden . . 0.16 . . 0.16
62 Tanzania 2.63 . . . . 2.63
63 Ukraine . . 0.08 . . 0.08
64 United Arab Emirates . . . . 0.27 0.27
65 Viet Nam . . . . 1.01 1.01
66 Zimbabwe . . 0.15 . . 0.15

Field normalized citation rate (cf), fractionalized



Bar chart of publication_year