World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
41
Citations
5238
World Ranking
7847
National Ranking
2781

Ji-Qin Ni publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Ji-Qin Ni sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 283 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 176 publications — 54th percentile

54% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Ji-Qin Ni D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Ji-Qin Ni sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 199 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 19 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125+ D-Index: 99 scientists
30 D-Index 125+

This scientist: 41 D-Index — 22nd percentile

22% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Overview

Ji-Qin Ni is affiliated with Purdue University West Lafayette in the United States. Their research primarily spans Environmental Science, Agricultural and Biological Sciences, and Engineering, with a significant focus on Process Chemistry and Technology, Health, Toxicology and Mutagenesis, Animal Science and Zoology, Building and Construction, and Industrial and Manufacturing Engineering.

The main topics covered in their work include:

  • Odor and Emission Control Technologies
  • Anaerobic Digestion and Biogas Production
  • Air Quality and Health Impacts
  • Effects of Environmental Stressors on Livestock
  • Animal Behavior and Welfare Studies
  • Indoor Air Quality and Microbial Exposure
  • Composting and Vermicomposting Techniques

Ji-Qin Ni has contributed to several peer-reviewed articles, including:

  • "A critical review of advancement in scientific research on food animal welfare-related air pollution" (2020), published in Journal of Hazardous Materials
  • "Energy management for maintaining anaerobic digestion temperature in biogas plants" (2024), published in Renewable and Sustainable Energy Reviews
  • "New insights into concentrations, sources and transformations of NH3, NOx, SO2 and PM at a commercial manure-belt layer house" (2020), published in Environmental Pollution
  • "Effect of municipal sludge-based biochar produced at different pyrolysis temperatures on humification and oxytetracycline degradation of pig manure composting" (2023), published in The Science of The Total Environment
  • "Comparison of energy performance and environmental impacts of three corn stover-based bioenergy pathways" (2020), published in Journal of Cleaner Production

The following co-authors have frequently collaborated with Ji-Qin Ni:

  • Guangyin Zhen
  • Xinjie Tong
  • Lingying Zhao
  • Albert J. Heber
  • B. T. Richert

Key journals where Ji-Qin Ni has published multiple articles include:

  • Journal of Cleaner Production
  • Journal of Animal Science
  • Journal of Hazardous Materials
  • Renewable and Sustainable Energy Reviews
  • Environmental Pollution

Best Publications

  • Mechanistic Models of Ammonia Release from Liquid Manure: a Review

    Jiqin Ni

  • Volatile organic compounds at swine facilities: a critical review.

    Ji-Qin Ni;Wayne P. Robarge;Changhe Xiao;Albert J. Heber

  • Ammonia, hydrogen sulphide and carbon dioxide release from pig manure in under-floor deep pits.

    Ji-Qin Ni;Albert J. Heber;Claude A. Diehl;Teng T. Lim

  • Effect of manure on ammonia emission from a fattening pig house with partly slatted floor

    JQ Ni;Christiaan Vinckier;J Coenegrachts;Jos Hendriks

  • Ammonia Emission from a Large Mechanically-Ventilated Swine Building during Warm Weather

    Ji-Qin Ni;Albert J. Heber;Teng T. Lim;Claude A. Diehl

  • Emissions of ammonia, hydrogen sulfide, and odor before, during, and after slurry removal from a deep-pit swine finisher.

    Steven J. Hoff;Dwaine S. Bundy;Minda A. Nelson;Brian C. Zelle

  • AIR QUALITY AND EMISSION MEASUREMENT METHODOLOGY AT SWINE FINISHING BUILDINGS

    A. J. Heber;J.–Q. Ni;B. L. Haymore;R. K. Duggirala

  • Mechanisms of Gas Releases from Swine Wastes

    J.-Q. Ni;A. J. Heber;A. L. Sutton;D. T. Kelly

  • EFFECTS OF MANURE REMOVAL STRATEGIES ON ODOR AND GAS EMISSIONS FROM SWINE FINISHING

    T. T. Lim;A. J. Heber;J.-Q. Ni;D. C. Kendall

  • Performance evaluation of ground source heat pump system for greenhouse heating in northern China

    Lilong Chai;Chengwei Ma;Ji-Qin Ni

  • EFFECTS OF MANURE REMOVAL STRATEGIES ON ODOR AND GAS EMISSION FROM SWINE FINISHING

    Teng-Teeh Lim;Albert J. Heber;Ji-Qin Ni;Dustin C. Kendall

  • Odor and gas release from anaerobic treatment lagoons for swine manure.

    Teng-Teeh Lim;Albert J. Heber;Ji-Qin Ni;Alan L. Sutton

  • Characteristics of ammonia, hydrogen sulfide, carbon dioxide, and particulate matter concentrations in high-rise and manure-belt layer hen houses

    Ji Qin Ni;Lilong Chai;Lide Chen;Bill W. Bogan

  • Production of carbon dioxide in a fattening pig house under field conditions. II. Release from the manure

    Ji-Qin Ni;Christiaan Vinckier;Jos Hendriks;Jan Coenegrachts

  • EFFECT OF A MANURE ADDITIVE ON AMMONIA EMISSION FROM SWINE FINISHING BUILDINGS

    A. J. Heber;J. Q. Ni;T. T. Lim;C. A. Diehl

  • An on-site computer system for comprehensive agricultural air quality research

    Ji-Qin Ni;Albert J. Heber

  • Quality assured measurements of animal building emissions: Odor concentrations

    Larry D. Jacobson;Brian P. Hetchler;David R. Schmidt;Richard E. Nicolai

  • Methane and carbon dioxide emission from two pig finishing barns.

    Ji Qin Ni;Albert J. Heber;Teng Teeh Lim;Pei Chun Tao

  • AIR QUALITY MONITORING AND ON-SITE COMPUTER SYSTEM FOR LIVESTOCK AND POULTRY ENVIRONMENT STUDIES

    Ji-Qin Ni;Albert J. Heber;Matthew J. Darr;Teng T. Lim

  • Characteristics of volatile fatty acids in stored dairy manure before and after anaerobic digestion

    Laura H. Page;Ji-Qin Ni;Albert J. Heber;Nathan S. Mosier

  • CHARACTERISTICS AND EMISSION RATES OF ODOR FROM COMMERCIAL SWINE NURSERIES

    T. T. Lim;A. J. Heber;J. Q. Ni;A. L. Sutton

  • Air Quality Measurements at a Laying Hen House: Particulate Matter Concentrations and Emissions

    T. T. Lim;Albert J. Heber;Ji-Qin Ni;J. X. Gallien

Frequent Co-Authors

Albert J. Heber
Albert J. Heber Purdue University West Lafayette
Jacek A. Koziel
Jacek A. Koziel Iowa State University
Yuanhui Zhang
Yuanhui Zhang University of Illinois at Urbana-Champaign
Hongwei Xin
Hongwei Xin University of Tennessee at Knoxville
Joseph H. Harrison
Joseph H. Harrison Washington State University
Shubiao Wu
Shubiao Wu Aarhus University
Renjie Dong
Renjie Dong China Agricultural University
Frank M. Mitloehner
Frank M. Mitloehner University of California, Davis
B. T. Richert
B. T. Richert Purdue University West Lafayette
Charles V Maxwell
Charles V Maxwell University of Arkansas at Fayetteville

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