Nielsen, Per Halkjær
Aalborg University,
Denmark
2025 Rank: 13673
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biomedical Research
SubField 1:
Microbiology
SubField 2:
Environmental Engineering
Rank in SubField 1: 330 out of 217955 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 13673 | 13019 |
| Total Cites | 31069 | 35211 |
| H-index | 92 | 98 |
| Hm-index | 37 | 40 |
| Number of Single Authored Papers | 5 | 5 |
| Total Cites to Single Authored Papers | 161 | 181 |
| Number of Single+First Authored Papers | 27 | 27 |
| Total Cites to Single+First Authored Papers | 1991 | 2311 |
| Number of Single+First+Last Authored Papers | 198 | 198 |
| Total Cites to Single+First+Last Authored Papers | 17121 | 19413 |
| Composite Score | 4 | 4 |
| Number of Distinct Citing Papers | 21152 | 22119 |
| Ratio of Total Citations to Distinct Citing Papers | 1.47 | 1.59 |
| Self-Citation Percentage |
11.76%
|
|
Nielsen, Per Halkjær
Aalborg University,
Denmark
2024 Rank: 15230
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biomedical Research
SubField 1:
Microbiology
SubField 2:
Environmental Engineering
Rank in SubField 1: 369 out of 204759 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 15230 | 13940 |
| Total Cites | 27063 | 30844 |
| H-index | 83 | 92 |
| Hm-index | 35 | 39 |
| Number of Single Authored Papers | 5 | 5 |
| Total Cites to Single Authored Papers | 146 | 165 |
| Number of Single+First Authored Papers | 27 | 27 |
| Total Cites to Single+First Authored Papers | 1846 | 2158 |
| Number of Single+First+Last Authored Papers | 192 | 192 |
| Total Cites to Single+First+Last Authored Papers | 15465 | 17651 |
| Composite Score | 4 | 4 |
| Number of Distinct Citing Papers | 18556 | 19460 |
| Ratio of Total Citations to Distinct Citing Papers | 1.46 | 1.58 |
| Self-Citation Percentage |
12.26%
|
|
Nielsen, Per Halkjær
Aalborg University,
Denmark
2023 Rank: 16743
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biomedical Research
SubField 1:
Microbiology
SubField 2:
Environmental Engineering
Rank in SubField 1: 400 out of 190396 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 16743 | 15202 |
| Total Cites | 23436 | 26810 |
| H-index | 78 | 87 |
| Hm-index | 33 | 37 |
| Number of Single Authored Papers | 5 | 5 |
| Total Cites to Single Authored Papers | 133 | 151 |
| Number of Single+First Authored Papers | 27 | 27 |
| Total Cites to Single+First Authored Papers | 1717 | 2024 |
| Number of Single+First+Last Authored Papers | 187 | 187 |
| Total Cites to Single+First+Last Authored Papers | 14048 | 16150 |
| Composite Score | 4 | 4 |
| Number of Distinct Citing Papers | 16340 | 17154 |
| Ratio of Total Citations to Distinct Citing Papers | 1.43 | 1.56 |
| Self-Citation Percentage |
12.58%
|
|
Nielsen, Per Halkjær
Aalborg University,
Denmark
2022 Rank: 17491
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biomedical Research
SubField 1:
Microbiology
SubField 2:
Environmental Engineering
Rank in SubField 1: 427 out of 175943 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 17491 | 15876 |
| Total Cites | 20618 | 23732 |
| H-index | 73 | 81 |
| Hm-index | 32 | 36 |
| Number of Single Authored Papers | 5 | 5 |
| Total Cites to Single Authored Papers | 120 | 137 |
| Number of Single+First Authored Papers | 27 | 27 |
| Total Cites to Single+First Authored Papers | 1565 | 1856 |
| Number of Single+First+Last Authored Papers | 180 | 180 |
| Total Cites to Single+First+Last Authored Papers | 12483 | 14439 |
| Composite Score | 4 | 4 |
| Number of Distinct Citing Papers | 14364 | 15132 |
| Ratio of Total Citations to Distinct Citing Papers | 1.44 | 1.57 |
| Self-Citation Percentage |
13.12%
|
|
Nielsen, Per Halkjær
Aalborg Universitet,
Denmark
2020 Rank: 19271
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biomedical Research
SubField 1:
Microbiology
SubField 2:
Environmental Engineering
Rank in SubField 1: 464 out of 134369 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 19271 | 17588 |
| Total Cites | 16479 | 19122 |
| H-index | 64 | 72 |
| Hm-index | 30 | 33 |
| Number of Single Authored Papers | 5 | 5 |
| Total Cites to Single Authored Papers | 103 | 116 |
| Number of Single+First Authored Papers | 26 | 26 |
| Total Cites to Single+First Authored Papers | 1349 | 1622 |
| Number of Single+First+Last Authored Papers | 169 | 169 |
| Total Cites to Single+First+Last Authored Papers | 10304 | 12022 |
| Composite Score | 3 | 4 |
| Number of Distinct Citing Papers | 11673 | 12358 |
| Ratio of Total Citations to Distinct Citing Papers | 1.41 | 1.55 |
| Self-Citation Percentage |
13.82%
|
|
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