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天文学 38 农作物 27 Plant Sciences 14
天文学::天体物理学 13 天文学::天体物理学::高能天体物理学 12 Chemistry 9
Physics 9 农学(农艺学) 9 天文学::恒星与银河系 8
植物保护 8 Biochemistry & Molecular Biology 6 Chemistry, Organic 6
Materials Science 6 Pharmacology & Pharmacy 6 物理化学 6
物理学 6 Genetics & Heredity 5 physics 5
Astronomy & Astrophysics 4 核科学技术 4 矿床地球化学 4
轻工业、手工业、生活服务业 4 Cell Biology 3 Chemistry, Analytical 3
Cognitive neuroscience 3 Energy & Fuels 3 Environmental Sciences & Ecology 3
Meteorology & Atmospheric Sciences 3 plant sciences 3 农业工程 3
半导体器件 3 半导体材料 3 畜牧、动物医学、狩猎、蚕、蜂 3
矿床地质 3 Biochemistry & Molecular Biology; Plant Sciences 2 Biotechnology & Applied Microbiology 2
Chemistry, Medicinal 2 Chemistry, Multidisciplinary 2 Environmental Sciences 2
Metallurgy & Metallurgical Engineering 2 Multidisciplinary 2 Science & Technology - Other Topics 2
Spectroscopy 2 agronomy 2 biotechnology & applied microbiology 2
genetics & heredity 2 materials science; physics 2 science & technology - other topics 2
园艺 2 天文学::天体测量学 2 天文学::天文学其他学科 2
天文学::恒星与银河系::恒星天文学 2 微生物学 2 材料科学与物理化学 2
物理学::高能物理学 2 物理科学和化学 2 生物化学 2
第四纪地质 2 经济学 2 .Particle Accelerators; Atomic and Molecular Physics; Physical Properties of Gases, Liquids and Solids; Inorganic Compounds; Electricity: Basic Concepts and Phenomena; Molybdenum and Alloys; Structural Members and Shapes 1
421 Strength of Building Materials; Mechanical Properties;546 Lead, Tin, Zinc, Antimony and Alloys;549 Nonferrous Metals and Alloys;657 Space Physics 1 601.3 Mechanisms 1 712.1 Semiconducting Materials - 932.1 High Energy Physics 1
741.1.2 Fiber Optics 1 743.2 Holographic Applications;801 Chemistry;804.1 Organic Compounds;941.4 Optical Variables Measurements;804.2 Inorganic Compounds;931.3 Atomic and Molecular Physics;933.1.1 Crystal Lattice;931.2 Physical Properties of Gases, Liquids and Solids;741.1 Light/Optics;711.1 Electromagnetic Waves in Different Media;531.2 Metallography;543.3 Molybdenum and Alloys;545.3 Steel;549.2 Alkaline Earth Metals;701.1 Electricity: Basic Concepts and Phenomena;701.2 Magnetism: Basic Concepts and Phenomena 1 761 Nanotechnology 1
801.4 Physical Chemistry 1 802.2 Chemical Reactions 1 804 Chemical Products Generally 1
804.1 Organic Compounds 1 813.1 Coating Techniques 1 813.2 Coating Materials 1
Abnormal psychology,Physiological psychology/Biological Psychology 1 Aspherics - Spheres - Surface measurement 1 Astronomy & Astrophysics; Physics 1
Astrophysics 1 Biochemical Research Methods; Chemistry, Analytical 1 Biochemistry & Molecular Biology; Chemistry; Pharmacology & Pharmacy 1
Biodiversity & Conservation 1 Biodiversity Conservation 1 Biotechnology & Applied Microbiology; Marine & Freshwater Biology 1
Calibration - Data handling - Manufacture - Mirrors 1 Cell Biology; Biochemistry & Molecular Biology; Pharmacology & Pharmacy; Urology & Nephrology; Genetics & Heredity; Immunology 1 Cell Biology; Endocrinology & Metabolism 1
Chemical Operations;Chemistry; Soils and Soil Mechanics;Materials Science;Water Resources;Metals, Plastics, Wood and Other Structural Materials;Concrete;Strength of Building Materials; Mechanical Properties 1 Chemical Reactions;Chemical Products Generally; Atomic and Molecular Physics 1 Chemistry, Physical 1
Chemistry; Pharmacology & Pharmacy 1 Cognitive psychology 1 Electric Components and Equipment; Electronic Components and Tubes; Electronic Equipment, General Purpose and Industrial; Chemistry; Chemical Reactions; Special Purpose Instruments 1
Engineering 1 Engineering; Optics; Physics 1 Environmental Sciences & Ecology; Toxicology 1
Geosciences, Multidisciplinary 1 Geriatrics & Gerontology; Immunology; Genetics & Heredity; Biochemistry & Molecular Biology; Pharmacology & Pharmacy; Pathology 1 Highway Engineering;Strength of Building Materials; Mechanical Properties; Soils and Soil Mechanics; Polymeric Materials;Materials Science 1
Immunology 1 Life Sciences & Biomedicine - Other Topics; Agriculture 1 Marine & Freshwater Biology 1
Materials Science, Multidisciplinary 1

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