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Table 1 Top 20 productive countries/territories during 1997–2016

From: The Role of Nanomaterials and Nanotechnologies in Wastewater Treatment: a Bibliometric Analysis

Country

TP

TP R(%)

SP R(%)

CP R(%)

FP R(%)

RP R(%)

R(h-index)

China

962

1(40.22)

1(40.95)

1(37.64)

1(38.48)

1(38.45)

1(62)

USA

324

2(13.55)

2(9.08)

2(29.73)

2(9.12)

2(9.75)

2(55)

Iran

140

3(5.85)

3(6.73)

20(2.7)

3(5.56)

3(5.52)

11(20)

India

105

4(4.39)

4(4.11)

12(5.41)

4(3.93)

4(3.89)

7(23)

South Korea

104

5(4.35)

6(3.2)

4(8.49)

6(3.22)

6(3.31)

9(22)

Spain

101

6(4.22)

5(3.26)

6(7.72)

5(3.51)

5(3.47)

5(25)

Australia

95

7(3.97)

8(2.03)

3(11)

8(2.43)

8(2.47)

3(28)

Germany

84

8(3.51)

7(2.56)

10(6.95)

7(2.63)

7(2.55)

5(25)

Singapore

66

9(2.76)

11(1.55)

8(7.14)

10(1.84)

9(1.97)

3(28)

France

63

10(2.63)

19(1.17)

5(7.92)

17(1.38)

14(1.55)

13(17)

UK

63

10(2.63)

14(1.33)

7(7.34)

12(1.63)

12(1.67)

10(21)

Canada

62

12(2.59)

9(1.82)

12(5.41)

11(1.76)

10(1.88)

7(23)

Italy

53

13(2.22)

15(1.28)

11(5.6)

12(1.63)

13(1.63)

13(17)

Malaysia

51

14(2.13)

12(1.49)

15(4.44)

9(1.88)

10(1.88)

18(14)

Saudi Arabia

48

15(2.01)

26(0.59)

8(7.14)

25(0.75)

24(0.75)

16(15)

Japan

48

15(2.01)

15(1.28)

14(4.63)

14(1.46)

16(1.42)

13(17)

Taiwan

43

17(1.8)

10(1.71)

23(2.12)

14(1.46)

15(1.51)

16(15)

Switzerland

41

18(1.71)

15(1.28)

19(3.28)

19(1.3)

18(1.26)

12(18)

Turkey

41

18(1.71)

12(1.49)

22(2.51)

16(1.42)

16(1.42)

20(10)

Brazil

37

20(1.55)

18(1.23)

20(2.7)

18(1.34)

19(1.21)

19(11)

  1. TP, the number of total publications; SP, the number of single country publications; CP, the number of internationally collaborative publications; FP, the number of publications as first author’s country; RP, the number of publications as corresponding author’s country; R (%), the rank (the ratio of the number) of one country’s publications to the total number of publications for a certain aspect during 1997–2016. R(h-index), the rank (the value of h-index) of a certain country’s publications during 1997–2016. The TP column was the numbers of publications. The TP R(%), SP R(%), CP R(%), FP R(%), RP R(%), and R(h-index) columns provided information in the form of R (%) and R (%) as mentioned above

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