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Chapman, Orville L.

Chapman, Orville L.

Iowa State University, United States

2025 Rank: 152,539

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Chemistry

SubField 1:

General Chemistry

SubField 2:

Organic Chemistry

Rank in SubField 1: 399 out of 57,118 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score152,539177,184
Total Cites3,1443,244
H-index3030
Hm-index1717
Number of Single Authored Papers77
Total Cites to Single Authored Papers6161
Number of Single+First Authored Papers9191
Total Cites to Single+First Authored Papers1,6031,616
Number of Single+First+Last Authored Papers120120
Total Cites to Single+First+Last Authored Papers2,2072,249
Composite Score33
Number of Distinct Citing Papers2,5022,569
Ratio of Total Citations to Distinct Citing Papers 1.26 1.26
Self-Citation Percentage
3.08%
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Chapman, Orville L.

Chapman, Orville L.

University of California, Los Angeles, United States

2024 Rank: 151,382

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Chemistry

SubField 1:

General Chemistry

SubField 2:

Organic Chemistry

Rank in SubField 1: 409 out of 53,171 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score151,382176,209
Total Cites2,9833,077
H-index3030
Hm-index1617
Number of Single Authored Papers66
Total Cites to Single Authored Papers5252
Number of Single+First Authored Papers9090
Total Cites to Single+First Authored Papers1,5151,524
Number of Single+First+Last Authored Papers119119
Total Cites to Single+First+Last Authored Papers2,0892,127
Composite Score33
Number of Distinct Citing Papers2,3842,449
Ratio of Total Citations to Distinct Citing Papers 1.25 1.26
Self-Citation Percentage
3.05%
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Chapman, Orville L.

Chapman, Orville L.

University of California, Los Angeles, United States

2023 Rank: 142,860

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Chemistry

SubField 1:

General Chemistry

SubField 2:

Organic Chemistry

Rank in SubField 1: 401 out of 51,019 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score142,860168,242
Total Cites2,9092,999
H-index2929
Hm-index1616
Number of Single Authored Papers66
Total Cites to Single Authored Papers5252
Number of Single+First Authored Papers9090
Total Cites to Single+First Authored Papers1,4751,483
Number of Single+First+Last Authored Papers119119
Total Cites to Single+First+Last Authored Papers2,0322,068
Composite Score33
Number of Distinct Citing Papers2,3202,384
Ratio of Total Citations to Distinct Citing Papers 1.25 1.26
Self-Citation Percentage
3.00%
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Chapman, Orville L.

Chapman, Orville L.

University of California, Los Angeles, United States

2022 Rank: 133,619

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Chemistry

SubField 1:

General Chemistry

SubField 2:

Organic Chemistry

Rank in SubField 1: 408 out of 49,459 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score133,619156,257
Total Cites2,8272,917
H-index2929
Hm-index1616
Number of Single Authored Papers66
Total Cites to Single Authored Papers5252
Number of Single+First Authored Papers9090
Total Cites to Single+First Authored Papers1,4251,433
Number of Single+First+Last Authored Papers119119
Total Cites to Single+First+Last Authored Papers1,9631,999
Composite Score33
Number of Distinct Citing Papers2,2492,313
Ratio of Total Citations to Distinct Citing Papers 1.26 1.26
Self-Citation Percentage
3.09%
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Chapman, Orville L.

Chapman, Orville L.

University of California, Los Angeles, United States

2021 Rank: 129,765

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Chemistry

SubField 1:

General Chemistry

SubField 2:

Organic Chemistry

Rank in SubField 1: 431 out of 51,674 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score129,765152,744
Total Cites2,7572,847
H-index2929
Hm-index1515
Number of Single Authored Papers66
Total Cites to Single Authored Papers5050
Number of Single+First Authored Papers9090
Total Cites to Single+First Authored Papers1,3811,389
Number of Single+First+Last Authored Papers119119
Total Cites to Single+First+Last Authored Papers1,9051,941
Composite Score33
Number of Distinct Citing Papers2,1952,259
Ratio of Total Citations to Distinct Citing Papers 1.26 1.26
Self-Citation Percentage
3.16%
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