World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
51
Citations
10301
World Ranking
13865
National Ranking
3596

J. M. Smith publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where J. M. Smith sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 233 publications — 44th percentile

44% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

J. M. Smith D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where J. M. Smith sits on this spectrum.

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 51 D-Index — 23rd percentile

23% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

J. M. Smith was affiliated with the University of California, Davis in the United States. Their research primarily focused on the Agricultural and Biological Sciences, with a concentration on Soil Science and Plant Science. Additional interests in their work included General Health Professions, Philosophy, and Reproductive Medicine.

The scientist contributed to several topics within their field, including:

  • Soil Carbon and Nitrogen Dynamics
  • Soil Management and Crop Yield
  • Research in Cotton Cultivation
  • Hermeneutics and Narrative Identity
  • Aging, Elder Care, and Social Issues
  • Health, Medicine and Society
  • Plant responses to water stress

J. M. Smith published frequently in the following venues:

  • Soil Research
  • ECS Meeting Abstracts
  • Zenodo (CERN European Organization for Nuclear Research)
  • Nature

Their recent publications included:

  • Soil and fertiliser nitrogen performance indicators for irrigated cotton in Australia, 2022, Soil Research
  • [Videa.Hd] One Piece Film: Red Teljes Film Magyarul Online, 2022, Zenodo (CERN European Organization for Nuclear Research)
  • The impact of irrigation duration on crop N uptake, lint yield and internal NUE in cotton using standard urea, 2024, Soil Research
  • Daily briefing: Leaked documents reveal the next science funding on Trump's chopping block, 2025, Nature

J. M. Smith often collaborated with other researchers, including:

  • Shu Fukai
  • M. J. Bell
  • Chikaodili E. Chukwuneke
  • Gabriella N. Ruiz
  • Raúl A. Márquez

Their body of work examined key aspects of soil nutrient dynamics and crop productivity, with several studies focusing on nitrogen use efficiency in cotton cultivation. This included investigations into irrigation effects on nitrogen uptake and lint yield, as well as broader soil and fertiliser performance indicators.

In addition to agricultural science, the scientist contributed to interdisciplinary topics touching on social and philosophical themes such as hermeneutics, narrative identity, aging, elder care, and health-related societal issues.

Best Publications

  • Diffusion in catalyst pellets

    N. Wakao;J.M. Smith

  • Fluid-Particle and Intraparticle Mass Transport Rates in Slurries

    Takehiko Furusawa;J. M. Smith

  • Adsorption rate constants from chromatography

    P. Schneider;J. M. Smith

  • Trickle‐bed reactor performance. Part I. Holdup and mass transfer effects

    Shigeo Goto;J. M. Smith

  • Caffeine extraction rates from coffee beans with supercritical carbon dioxide

    Hulya Peker;M. P. Srinivasan;J. M. Smith;Ben J. McCoy

  • Trickle‐bed reactors: A review

    Mordechay Herskowitz;J. M. Smith

  • Kinetic studies by chromatography

    Motoyuki Suzuki;J.M. Smith

  • Axial dispersion in beds of small particles

    Motoyuki Suzuki;J.M. Smith

  • Continuous kinetics for thermal degradation of polymer in solution

    Ming Wang;J. M. Smith;Ben J. McCoy

  • Surface diffusion in liquid‐filled pores

    Hiroshi Komiyama;J. M. Smith

  • Intraparticle mass transport in slurries by dynamic adsorption studies

    Takehiko Furusawa;J. M. Smith

  • Molecular Weight Effect on the Dynamics of Polystyrene Degradation

    Giridhar Madras;G. Y. Chung;J. M. Smith;Benjamin J. McCoy

  • Chromatographic study of surface diffusion

    Petr Schneider;J. M. Smith

  • A dynamic method for catalyst diffusivities

    Gulsen Dogu;J. M. Smith

  • Diffusion and Reaction in Porous Catalysts

    Noriaki Wakao;J. M. Smith

  • Thermal Conductivity of Beds of Spherical Particles

    Shinobu Masamune;J. M. Smith

  • Effectiveness factors and mass transfer in trickle-bed reactors

    Mordechay Herskowitz;R. G. Carbonell;J. M. Smith

  • A single‐pore model for gas‐solid noncatalytic reactions

    P. A. Ramachandran;J. M. Smith

  • Degradation of poly(methyl methacrylate) in solution

    Giridhar Madras;J. M. Smith;Benjamin J. McCoy

  • Desorption processes: Supercritical fluid regeneration of activated carbon

    F. Recasens;B. J. McCoy;J. M. Smith

Frequent Co-Authors

Giridhar Madras
Giridhar Madras Indian Institute of Technology Hyderabad
M.P. Srinivasan
M.P. Srinivasan RMIT University
Duong D. Do
Duong D. Do University of Queensland
Motonobu Goto
Motonobu Goto Nagoya University
Janez Levec
Janez Levec University of Ljubljana

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