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Physics 83 Plant Sciences 60 Soil Science 38
Ecology 36 天文学 34 Astronomy & Astrophysics 30
物理化学 29 Forestry 26 半导体材料 26
材料科学与物理化学 24 Environmental Sciences & Ecology 22 Environmental Sciences 20
Oceanography 19 Chemistry 18 Agriculture 16
Agronomy 15 Materials Science 14 植物学 13
Water Resources 12 物理化学与绿色催化 12 Meteorology & Atmospheric Sciences 11
天文学::星系与宇宙学 11 Engineering 10 Materials Science, Multidisciplinary 10
半导体物理 10 Geology 9 Geosciences, Multidisciplinary 9
Marine & Freshwater Biology 9 高分子化学 9 Chemistry, Physical 8
Environment/ecology 8 Metallurgy & Metallurgical Engineering 8 生物科学 8
Astronomy & Astrophysics; Physics 7 天文学::天体物理学 7 天文学::恒星与银河系 7
空间物理 7 Biochemistry & Molecular Biology 6 Chemistry, Analytical 6
Geography, Physical 6 Science & Technology - Other Topics 6 光电子学 6
Agriculture/agronomy 5 Chemistry, Multidisciplinary 5 Engineering, Environmental 5
Geochemistry & Geophysics 5 力学 5 地理学::自然地理学 5
生态学 5 自然地理学 5 Biodiversity Conservation 4
Biotechnology & Applied Microbiology 4 Chemistry, Applied 4 Electrochemistry 4
Food Science & Technology 4 Multidisciplinary Sciences 4 Parasitology 4
Physics, Applied 4 Spectroscopy 4 农作物 4
分析化学与药物化学 4 土壤学 4 天文学::天体物理学::实测天体物理学 4
环境污染及其防治 4 生物学::植物学::植物生理学 4 生物科学::生物化学 4
金属有机化学 4 Chemistry, Organic 3 Engineering (provided by Thomson Reuters) 3
Entomology 3 Environment 3 Evolutionary Biology 3
Fisheries 3 Instruments & Instrumentation; Nuclear Science & Technology; Physics; Spectroscopy 3 Materials Science, Ceramics 3
Nanoscience & Nanotechnology 3 Polymer Science 3 agricultural engineering 3
biotechnology & applied microbiology 3 energy & fuels 3 environmental sciences 3
变质岩岩石学 3 地球化学 3 天文和天体物理 3
天文学::天体物理学::高能天体物理学 3 天文学::恒星与银河系::恒星形成与演化 3 波谱分析 3
环境地球化学 3 环境材料与生态化学 3 环境科学 3
生物学::生态学 3 Agronomy; Plant Sciences; Chemistry, Analytical; Soil Science 2 Agronomy; Plant Sciences; Soil Science 2
Biodiversity Conservation; Ecology; Environmental Sciences 2 Chemistry; Physics 2 Ecology; Engineering, Environmental; Environmental Sciences 2
Energy & Fuels 2 Engineering, Chemical 2 Environmental Sciences & Ecology; Marine & Freshwater Biology 2
Environmental Sciences & Ecology; Meteorology & Atmospheric Sciences 2

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