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农作物 135 Physics 63 农业基础科学 48
astronomy & astrophysics; physics 44 天文学 43 植物保护 42
经济学 38 天文学::天体物理学 31 天文学::天体物理学::高能天体物理学 31
农学(农艺学) 28 园艺 26 核科学技术 25
physics 23 植物学 17 昆虫学 15
社会学 13 Astronomy & Astrophysics; Physics 11 管理学 11
教育学 10 考古学 10 民族学 9
自动化技术、计算机技术 9 光电子学 8 政治学 8
林业 8 中国文学 7 畜牧、动物医学、狩猎、蚕、蜂 7
Chemistry 6 化学 6 其他学科 5
Science & Technology - Other Topics 4 哲学 4 大气科学(气象学) 4
微生物学 4 环境污染及其防治 4 环境科学 4
Biochemistry & Molecular Biology; Pharmacology & Pharmacy; Plant Sciences 3 Environmental Sciences & Ecology 3 plant sciences 3
分子生物学 3 半导体材料 3 图书馆、情报与文献学 3
天文学::天文学其他学科 3 宗教学 3 新闻学与传播学 3
法学;经济学 3 539.3.2 Electroless Plating;744.9 Laser Applications 2 744.9 Laser Applications;813.1 Coating Techniques 2
Biotechnology & Applied Microbiology 2 Endocrinology & Metabolism 2 Genetics & Heredity 2
Marine & Freshwater Biology; Toxicology 2 Neurosciences & Neurology 2 Otorhinolaryngology; Genetics & Heredity 2
Physiology 2 Polymer Science 2 multidisciplinary sciences 2
历史学 2 地球物理学 2 地理学::自然地理学 2
天文学::恒星与银河系 2 天文学::星系与宇宙学 2 建筑科学 2
法学 2 物理学 2 管理学;经济学 2
.Organic Polymers; Processing of Plastics and Other Polymers; Mathematical Statistics; Mechanics;Solid State Physics;Mechanical and Miscellaneous Measuring Instruments;Materials Science; Physical Chemistry; Concrete Reinforcements;Metals, Plastics, Wood and Other Structural Materials; Soils and Soil Mechanics;Mines and Mining, Nonmetallic; Metallography; Photography;Imaging Techniques 1 481.1 Geology;481.2 Geochemistry;482.2 Minerals;922.1 Probability Theory;931.2 Physical Properties of Gases, Liquids and Solids 1 531 Metallurgy and Metallography - 537 Heat Treatment - 539 Metals Corrosion and Protection; Metal Plating - 545 Iron and Steel 1
531 Metallurgy and Metallography - 744.9 Laser Applications - 812.1 Ceramics 1 534 Foundries and Foundry Practice;545 Iron and Steel;931 Classical Physics; Quantum Theory; Relativity 1 545.3 Steel;744.9 Laser Applications;813.1 Coating Techniques 1
549.3 Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals;802.3 Chemical Operations;932.3 Plasma Physics 1 708 Electric and Magnetic Materials;712.2 Thermionic Materials 1 712.1 Semiconducting Materials - 714.2 Semiconductor Devices and Integrated Circuits 1
712.1 Semiconducting Materials;714.2 Semiconductor Devices and Integrated Circuits;717.2 Optical Communication Equipment;741.1 Light/Optics;741.3 Optical Devices and Systems;801 Chemistry 1 712.1.2 Compound Semiconducting Materials;741.1 Light/Optics;804.2 Inorganic Compounds 1 741.1 Light/Optics;741.3 Optical Devices and Systems 1
744 Lasers;804 Chemical Products Generally;931 Classical Physics; Quantum Theory; Relativity 1 744.9 Laser Applications;813 Coatings and Finishes 1 744.9 Laser Applications;931 Classical Physics; Quantum Theory; Relativity 1
802.3 Chemical Operations;804.1 Organic Compounds;932.3 Plasma Physics 1 821 Agricultural Equipment and Methods; Vegetation and Pest Control;815.2 Polymerization;815.1 Polymeric Materials;811 Cellulose, Paper and Wood Products;951 Materials Science;804 Chemical Products Generally;444 Water Resources;421 Strength of Building Materials; Mechanical Properties;415 Metals, Plastics, Wood and Other Structural Materials;482.2 Minerals 1 Air Pollution; Environmental Impact and Protection; Hospitals, Equipment and Supplies; Chemical Products Generally; Inorganic Compounds; Occupational Diseases; Materials Science 1
Anatomy & Morphology; Orthopedics; Surgery 1 Biochemistry & Molecular Biology; Biophysics; Cell Biology 1 Biochemistry & Molecular Biology; Developmental Biology 1
Biochemistry & Molecular Biology; Gastroenterology & Hepatology 1 Biochemistry & Molecular Biology; Orthopedics; Materials Science 1 Biochemistry & Molecular Biology; Pharmacology & Pharmacy; Hematology; Cell Biology; Transplantation; Neurosciences & Neurology 1
Biochemistry & Molecular Biology; Pharmacology & Pharmacy; Plant Sciences; Physics 1 Biochemistry & Molecular Biology; Plant Sciences 1 Biodiversity & Conservation; Meteorology & Atmospheric Sciences; Plant Sciences; Environmental Sciences & Ecology 1
Biology 1 Cardiovascular System & Cardiology; Pharmacology & Pharmacy 1 Cardiovascular System & Cardiology; Pharmacology & Pharmacy; Infectious Diseases 1
Cardiovascular System & Cardiology; Surgery; Pharmacology & Pharmacy 1 Cell Biology; Biochemistry & Molecular Biology; Plant Sciences 1 Chemical Reactions; Atomic and Molecular Physics; High Energy Physics; Radiation Measuring Instruments 1
Chemistry; Materials Science 1

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