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共225条,第1-100条
Physics
20
农作物
19
农学(农艺学)
16
物理化学
16
Plant Sciences
15
Microbiology
12
构造地质学
12
环境地球化学
10
地震地质学
9
Pharmacology & Pharmacy
8
半导体物理
8
Biotechnology & Applied Microbiology
7
半导体器件
7
经济学
7
Biochemistry & Molecular Biology
6
Engineering
6
Materials Science
6
701.1 electricity: basic concepts and phenomena;714.2 semiconductor devices and integrated circuits
5
Chemistry, Organic
5
Genetics & Heredity
5
天文学
5
植物学
5
Astronomy & Astrophysics
4
Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology; Genetics & Heredity
4
Chemistry
4
Chemistry, Medicinal
4
Chemistry, Multidisciplinary
4
Evolutionary Biology
4
Materials Science, Multidisciplinary
4
固体地球物理学
4
植物保护
4
自动化技术、计算机技术
4
Chemistry, Physical
3
Environmental Sciences & Ecology
3
Multidisciplinary
3
Multidisciplinary Sciences
3
Nanoscience & Nanotechnology
3
genetics & heredity
3
science & technology - other topics
3
农业基础科学
3
天文学::天体物理学
3
考古学
3
Agriculture
2
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2
Computer Science
2
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2
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2
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Plant Sciences; Chemistry, Applied; Chemistry, Medicinal; Pharmacology & Pharmacy
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agriculture
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agronomy
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cell biology
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chemistry
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environmental sciences & ecology
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optics
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physics
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science & technology - other topics; materials science; physics
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光学与环境监测遥感技术::光谱分析与技术
2
光学材料;晶体
2
光学理论研究
2
内科学
2
半导体材料
2
历史学
2
园艺
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地球物理勘探
2
天文和天体物理
2
天文学::天体物理学::实测天体物理学
2
天文学::天文学其他学科
2
天文学::恒星与银河系
2
天文学::恒星与银河系::恒星形成与演化
2
材料科学与物理化学
2
环境地质学
2
生物科学::普通生物学
2
生物科学::植物学
2
矿床地球化学
2
矿床地质
2
第四纪地质
2
铁路运输
2
537.1 Heat Treatment Processes;701.1 Electricity: Basic Concepts and Phenomena;802.2 Chemical Reactions;804.2 Inorganic Compounds
1
543.3 Molybdenum and Alloys;714.2 Semiconductor Devices and Integrated Circuits;716.1 Information Theory and Signal Processing;731.1 Control Systems
1
547 Minor, Precious and Rare Earth Metals and Alloys - 712 Electronic and Thermionic Materials
1
549.3 Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals;702.3 Solar Cells
1
549.3 nonferrous metals and alloys excluding alkali and alkaline earth metals;712.1.1 single element semiconducting materials;802.2 chemical reactions;802.3 chemical operations;813.1 coating techniques;933.1.2 crystal growth
1
701.1 Electricity: Basic Concepts and Phenomena;712.1 Semiconducting Materials;714.2 Semiconductor Devices and Integrated Circuits;813.1 Coating Techniques;931.2 Physical Properties of Gases, Liquids and Solids
1
701.1 electricity: basic concepts and phenomena;706.2 electric power lines and equipment;714.2 semiconductor devices and integrated circuits
1
701.1 electricity: basic concepts and phenomena;706.2 electric power lines and equipment;714.2 semiconductor devices and integrated circuits;716 telecommunication; radar, radio and television;717 optical communication;718 telephone systems and related technologies; line communications
1
701.1 electricity: basic concepts and phenomena;712.1 semiconducting materials;714.2 semiconductor devices and integrated circuits
1
701.1 electricity: basic concepts and phenomena;714 electronic components and tubes
1
711 Electromagnetic Waves;714.2 Semiconductor Devices and Integrated Circuits;932.1 High Energy Physics
1
714.2 Semiconductor Devices and Integrated Circuits;723.5 Computer Applications;802.2 Chemical Reactions;921 Mathematics
1
714.2 semiconductor devices and integrated circuits;723.5 computer applications
1
744.9 Laser Applications;813 Coatings and Finishes
1
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