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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 82 3139 2834 569 558 458 21512

Longlong Ma publications per year

The chart shows the history of publications by Longlong Ma between 2005 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Longlong Ma published across 21 years, from 2005 to 2025, averaging 21.5 papers a year. Output peaked at 51 publications in 2021. 23 of the 451 publications appeared in the last two years.

No. of publications
10 20 30 40 50
Bar chart. Horizontal axis: year, 2005 to 2025. Vertical axis: number of publications, 0 to 51. Peak 51 publications in 2021. 2005: 1 publication 2006: 1 publication 2007: 2 publications 2008: 12 publications 2009: 8 publications 2010: 10 publications 2011: 5 publications 2012: 18 publications 2013: 31 publications 2014: 31 publications 2015: 50 publications 2016: 31 publications 2017: 47 publications 2018: 30 publications 2019: 38 publications 2020: 43 publications 2021: 51 publications 2022: 13 publications 2023: 6 publications 2024: 8 publications 2025: 15 publications
2005 2025

451 publications in total across all disciplines

View publications per year as a table
Longlong Ma: publications per year, 2005 to 2025
Year Publications
2005 1
2006 1
2007 2
2008 12
2009 8
2010 10
2011 5
2012 18
2013 31
2014 31
2015 50
2016 31
2017 47
2018 30
2019 38
2020 43
2021 51
2022 13
2023 6
2024 8
2025 15
Total 451
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Longlong Ma 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 Longlong Ma sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 441–460 publications, is where this scientist sits. 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
61–80 publications 1,295+

This scientist: 458 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270 458
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Longlong Ma 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 Longlong Ma sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 82–83 D-Index, is where this scientist sits. 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
40–41 D-Index 159+

This scientist: 82 D-Index — 83rd percentile

83% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292 82
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Overview

Longlong Ma is affiliated with the Chinese Academy of Sciences in China. The primary fields of study focus on Engineering and Chemistry, with a significant emphasis on Biomedical Engineering, Mechanical Engineering, Inorganic Chemistry, Materials Chemistry, and Organic Chemistry.

Their research extensively covers topics related to catalysis and biomass conversion. Key topics include:

  • Catalysis for Biomass Conversion
  • Catalysis and Hydrodesulfurization Studies
  • Lignin and Wood Chemistry
  • Biofuel Production and Bioconversion
  • Nanomaterials for Catalytic Reactions
  • Asymmetric Hydrogenation and Catalysis
  • Metal-Organic Frameworks: Synthesis and Applications

Longlong Ma has contributed numerous papers, particularly in prestigious journals such as ACS Sustainable Chemistry & Engineering and Industrial & Engineering Chemistry Research. Some representative recent publications include:

  • "A review of conversion of lignocellulose biomass to liquid transport fuels by integrated refining strategies," 2020, Fuel Processing Technology
  • "Manganese-Promoted Fe3O4 Microsphere for Efficient Conversion of CO2 to Light Olefins," 2020, Industrial & Engineering Chemistry Research
  • "Amorphous FeNi-ZrO2-Catalyzed Hydrodeoxygenation of Lignin-Derived Phenolic Compounds to Naphthenic Fuel," 2020, ACS Sustainable Chemistry & Engineering
  • "In Situ Synthesis of Cu Nanoparticles on Carbon for Highly Selective Hydrogenation of Furfural to Furfuryl Alcohol by Using Pomelo Peel as the Carbon Source," 2020, ACS Sustainable Chemistry & Engineering
  • "Complementing Vanillin and Cellulose Production by Oxidation of Lignocellulose with Stirring Control," 2020, ACS Sustainable Chemistry & Engineering

The frequent publication venues where their work appears include:

  • ACS Sustainable Chemistry & Engineering
  • Industrial & Engineering Chemistry Research
  • Energy & Fuels
  • ACS Omega
  • Biomass and Bioenergy

Collaboration is a notable part of Longlong Ma's research activity. Frequent co-authors include:

  • Chenguang Wang
  • Xinghua Zhang
  • Qi Zhang
  • Lungang Chen
  • Jianguo Liu

Best Publications

  • Hydrogen-rich gas production from biomass air and oxygen/steam gasification in a downdraft gasifier

    Pengmei Lv;Zhenhong Yuan;Longlong Ma;Chuangzhi Wu

  • Bio-syngas production from biomass catalytic gasification

    Pengmei Lv;Zhenhong Yuan;Chuangzhi Wu;Longlong Ma

  • Effects of metal catalysts on CO2 gasification reactivity of biomass char.

    Yanqin Huang;Xiuli Yin;Chuangzhi Wu;Congwei Wang

  • Single cell oil production from low-cost substrates: the possibility and potential of its industrialization.

    Chao Huang;Xue-fang Chen;Lian Xiong;Xin-de Chen

  • Hydrodeoxygenation of lignin-derived phenolic compounds to hydrocarbons over Ni/SiO2-ZrO2 catalysts.

    Xinghua Zhang;Qi Zhang;Tiejun Wang;Longlong Ma

  • High yield production of 5-hydroxymethylfurfural from cellulose by high concentration of sulfates in biphasic system

    Ning Shi;Qiying Liu;Qi Zhang;Tiejun Wang

  • Vacuum pyrolysis of waste tires with basic additives.

    Xinghua Zhang;Tiejun Wang;Longlong Ma;Jie Chang

  • Hydrotreatment of bio-oil over Ni-based catalyst.

    Xinghua Zhang;Tiejun Wang;Longlong Ma;Qi Zhang

  • Recent advances in catalytic conversion of biomass to 5-hydroxymethylfurfural and 2, 5-dimethylfuran

    Haiyong Wang;Changhui Zhu;Dan Li;Qiying Liu

  • Conversion of fructose into 5-hydroxymethylfurfural and alkyl levulinates catalyzed by sulfonic acid-functionalized carbon materials

    Ruliang Liu;Jinzhu Chen;Xing Huang;Limin Chen

  • Efficient base-catalyzed decomposition and in situ hydrogenolysis process for lignin depolymerization and char elimination

    Jinxing Long;Ying Xu;Tiejun Wang;Zhengqiu Yuan

  • Hydrodeoxygenation of Methyl Palmitate over Supported Ni Catalysts for Diesel-like Fuel Production

    Hualiang Zuo;Qiying Liu;Tiejun Wang;Longlong Ma

  • Hydrodeoxygenation of lignin-derived phenoic compounds to hydrocarbon fuel over supported Ni-based catalysts

    Xinghua Zhang;Wenwu Tang;Qi Zhang;Tiejun Wang

  • An Overview on Catalytic Hydrodeoxygenation of Pyrolysis Oil and Its Model Compounds

    Zhan Si;Xinghua Zhang;Chenguang Wang;Longlong Ma

  • One-Pot Catalytic Conversion of Raw Lignocellulosic Biomass into Gasoline Alkanes and Chemicals over LiTaMoO6 and Ru/C in Aqueous Phosphoric Acid

    Yong Liu;Lungang Chen;Tiejun Wang;Qi Zhang

  • Study on reduction and carburization behaviors of iron phases for iron-based Fischer–Tropsch synthesis catalyst ☆

    Mingyue Ding;Yong Yang;Baoshan Wu;Yongwang Li

  • A review of thermal-chemical conversion of lignocellulosic biomass in China.

    Longlong Ma;Tiejun Wang;Qiying Liu;Xinghua Zhang

  • An efficient and economical process for lignin depolymerization in biomass-derived solvent tetrahydrofuran.

    Jinxing Long;Qi Zhang;Tiejun Wang;Xinghua Zhang

  • One-step hydrodeoxygenation of palm oil to isomerized hydrocarbon fuels over Ni supported on nano-sized SAPO-11 catalysts

    Qiying Liu;Hualiang Zuo;Tiejun Wang;Longlong Ma

  • Highly Selective Hydrodeoxygenation of Lignin to Naphthenes over Three-Dimensional Flower-like Ni2P Derived from Hydrotalcite

    Unknown

  • Oil production by the yeast Trichosporon dermatis cultured in enzymatic hydrolysates of corncobs.

    Chao Huang;Xue-fang Chen;Lian Xiong;Xin-de Chen

Frequent Co-Authors

Ying Xu
Ying Xu Shenzhen University
Xiuli Yin
Xiuli Yin Guangzhou Institute of Energy Conversion
Hou-min Chang
Hou-min Chang North Carolina State University
Hasan Jameel
Hasan Jameel North Carolina State University
Noritatsu Tsubaki
Noritatsu Tsubaki University of Toyama
Bert F. Sels
Bert F. Sels KU Leuven
Zhenhong Yuan
Zhenhong Yuan Chinese Academy of Sciences
Ying Zhang
Ying Zhang University of Science and Technology of China
Yong Chen
Yong Chen École Normale Supérieure
Wei Fan
Wei Fan University of Massachusetts Amherst

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