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共125条,第1-100条
astronomy & astrophysics; physics
92
农作物
61
天文学
56
physics
43
天文学::天体物理学
42
天文学::天体物理学::高能天体物理学
41
核科学技术
30
植物保护
25
Physics
13
农业基础科学
13
农学(农艺学)
13
园艺
11
植物学
9
分子生物学
6
Biochemistry & Molecular Biology
5
物理学
5
Astronomy & Astrophysics
4
半导体物理
4
畜牧、动物医学、狩猎、蚕、蜂
4
遗传学
4
Cell Biology
3
Science & Technology - Other Topics
3
天文学::天文学其他学科
3
政治学
3
管理学
3
Biochemistry & Molecular Biology; Biophysics
2
Biophysics
2
Chemistry
2
Instruments & Instrumentation; Nuclear Science & Technology; Physics; Spectroscopy
2
science & technology - other topics
2
中国医学
2
农业工程
2
图书馆、情报与文献学
2
天文学::恒星与银河系
2
物理学::高能物理学
2
环境科学
2
生理心理学/生物心理学
2
社会学
2
经济学
2
轻工业、手工业、生活服务业
2
708.4 Magnetic Materials - 714.2 Semiconductor Devices and Integrated Circuits - 732.2 Control Instrumentation
1
708.4 Magnetic Materials - 942.4 Magnetic Variables Measurements
1
801 Chemistry - 802.2 Chemical Reactions - 802.3 Chemical Operations - 804.1 Organic Compounds - 931.3 Atomic and Molecular Physics
1
912.2 Management;903.3 Information Retrieval and Use;903.2 Information Dissemination;821 Agricultural Equipment and Methods; Vegetation and Pest Control;723.3 Database Systems;723.2 Data Processing and Image Processing;631.1 Fluid Flow, General;481.1 Geology;454.3 Ecology and Ecosystems;454 Environmental Engineering;446.1 Water Supply Systems;444.1 Surface Water;407.2 Waterways
1
931.3 Atomic and Molecular Physics;931.2 Physical Properties of Gases, Liquids and Solids;802.2 Chemical Reactions;801 Chemistry;933 Solid State Physics;714.2 Semiconductor Devices and Integrated Circuits;712.2 Thermionic Materials;712.1.2 Compound Semiconducting Materials;701.1 Electricity: Basic Concepts and Phenomena;714.1 Electron Tubes
1
Agriculture
1
Agriculture; Environmental Sciences & Ecology; Geology
1
Agriculture; Zoology; Environmental Sciences & Ecology; Plant Sciences
1
Astronomy & Astrophysics; Physics
1
Biochemistry & Molecular Biology; Mathematics; Pharmacology & Pharmacy
1
Biochemistry & Molecular Biology; Physiology
1
Biotechnology & Applied Microbiology
1
Cardiovascular System & Cardiology; Genetics & Heredity; Biochemistry & Molecular Biology
1
Cell Biology; Genetics & Heredity; Oncology
1
Cell Biology; Pharmacology & Pharmacy; Plant Sciences; Biochemistry & Molecular Biology
1
Chemical Operations;Soils and Soil Mechanics;Environmental Impact and Protection;Numerical Methods;Atmospheric Properties;Cement;Construction Equipment and Methods; Surveying;Strength of Building Materials; Mechanical Properties
1
Developmental Biology; Biochemistry & Molecular Biology
1
Endocrinology & Metabolism; Environmental Sciences & Ecology; Biodiversity & Conservation; Evolutionary Biology
1
Engineering Research;Chemical Products Generally;Chemical Agents and Basic Industrial Chemicals; Computer Applications;Mathematics;Nuclear Reactors;Liquid Fuels;Gas Fuels;Seismology;Solid Fuels
1
Environmental Sciences & Ecology; Biodiversity & Conservation; Forestry
1
Environmental Sciences & Ecology; Genetics & Heredity; Plant Sciences
1
Genetics & Heredity; Meteorology & Atmospheric Sciences; Biodiversity & Conservation
1
Geochemistry & Geophysics
1
Geology and Geophysics; Soils and Soil Mechanics;Seismology; Accidents and Accident Prevention
1
Geriatrics & Gerontology; Hematology; Cardiovascular System & Cardiology; Biochemistry & Molecular Biology; Anthropology; Chemistry
1
Geriatrics & Gerontology; Pharmacology & Pharmacy; Gastroenterology & Hepatology; Pathology; Hematology
1
Immunology; Biochemistry & Molecular Biology; Cardiovascular System & Cardiology; Genetics & Heredity
1
Immunology; Cell Biology; Genetics & Heredity; Microbiology; Biochemistry & Molecular Biology
1
Immunology; Virology; Infectious Diseases; Pediatrics
1
Instruments & Instrumentation
1
Life Sciences & Biomedicine - Other Topics; Environmental Sciences & Ecology; Biochemistry & Molecular Biology
1
Materials Science; Numerical Methods;Mathematics; Control Instrumentation; Computer Programming; Strength of Building Materials : Test Methods;Strength of Building Materials; Test Equipment and Methods;Strength of Building Materials; Mechanical Properties;Buildings and Towers
1
Meteorology & Atmospheric Sciences; Environmental Sciences & Ecology; Marine & Freshwater Biology
1
Oncology
1
Pathology; Endocrinology & Metabolism; Cell Biology; Pharmacology & Pharmacy; Cardiovascular System & Cardiology; Biochemistry & Molecular Biology
1
Pediatrics; Cardiovascular System & Cardiology; Nutrition & Dietetics; Public, Environmental & Occupational Health; Demography; Social Issues
1
Pharmacology & Pharmacy; Cardiovascular System & Cardiology; Gastroenterology & Hepatology; Radiology, Nuclear Medicine & Medical Imaging
1
Pharmacology & Pharmacy; Infectious Diseases; Public, Environmental & Occupational Health
1
Physical Properties of Gases, Liquids and Solids; Hydraulics; Flow of Fluid-Like Materials; Soils and Soil Mechanics; Geology; Surface Water; Precipitation; Flood Control; Roads and Streets
1
Physiology; Environmental Sciences & Ecology
1
Physiology; Gastroenterology & Hepatology
1
Radiation Measuring Instruments; Nuclear Physics;.Particle Accelerators; High Energy Physics; Atomic and Molecular Physics;Safety Engineering;Chemistry; Electricity: Basic Concepts and Phenomena; Rare Earth Metals
1
biochemistry & molecular biology
1
biochemistry & molecular biology; pharmacology & pharmacy
1
cardiovascular system & cardiology
1
cell biology
1
engineering; materials science
1
meteorology & atmospheric sciences
1
pharmacology & pharmacy; urology & nephrology
1
体育学
1
其他学科
1
化学
1
化学工业
1
历史学;其他学科
1
地球科学::地质学
1
地质学
1
外国文学
1
大气科学
1
大气科学(气象学)
1
天文和天体物理
1
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