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共244条,第1-100条
astronomy & astrophysics; physics
92
天文学
92
Physics
62
天文学::天体物理学
59
天文学::天体物理学::高能天体物理学
56
physics
48
植物保护
35
核科学技术
34
农作物
33
天文学::星系与宇宙学
22
plant sciences
14
Astronomy & Astrophysics
13
Chemistry
12
农业基础科学
12
农学(农艺学)
11
地理学::自然地理学
10
Biochemistry & Molecular Biology
8
Instruments & Instrumentation; Nuclear Science & Technology; Physics; Spectroscopy
8
agronomy
8
考古学
8
Astronomy & Astrophysics; Physics
7
半导体物理
7
昆虫学
7
Cell Biology
6
Genetics & Heredity
6
Plant Sciences
6
Science & Technology - Other Topics
6
天文学::恒星与银河系
6
Environmental Sciences & Ecology
5
Materials Science, Multidisciplinary
5
Metallurgy & Metallurgical Engineering
5
天文学::天文学其他学科
5
物理学
5
Biochemistry & Molecular Biology; Plant Sciences
4
Chemistry; Physics
4
Electrochemistry
4
Multidisciplinary Sciences
4
genetics & heredity
4
horticulture
4
science & technology - other topics
4
半导体材料
4
天文学::射电天文学
4
畜牧、动物医学、狩猎、蚕、蜂
4
Biotechnology & Applied Microbiology
3
Chemistry; Science & Technology - Other Topics; Materials Science; Physics
3
Ecology
3
Materials Science
3
Neurosciences & Neurology
3
Oncology
3
Pharmacology & Pharmacy
3
Spectroscopy
3
Toxicology
3
chemistry; materials science; metallurgy & metallurgical engineering
3
chemistry; science & technology - other topics; materials science; physics
3
materials science
3
分析化学与药物化学
3
天文学::天体物理学::实测天体物理学
3
天文学::恒星与银河系::恒星形成与演化
3
植物学
3
物理化学
3
经济学
3
能源应用技术::仿生能源系统
3
Abnormal psychology
2
Chemistry, Multidisciplinary
2
Engineering; Science & Technology - Other Topics; Optics; Physics
2
Environmental Sciences
2
Environmental Sciences; Toxicology
2
Forestry
2
Gastroenterology & Hepatology
2
Marine & Freshwater Biology
2
Microbiology
2
Mycology
2
Nanoscience & Nanotechnology
2
Science & Technology - Other Topics; Materials Science; Physics
2
agriculture; forestry; meteorology & atmospheric sciences
2
biochemistry & molecular biology; plant sciences
2
biotechnology & applied microbiology
2
cell biology
2
computer science; mathematical & computational biology
2
entomology
2
general & internal medicine
2
geology
2
meteorology & atmospheric sciences
2
multidisciplinary sciences
2
neurosciences & neurology; psychiatry
2
optics
2
water resources
2
分析化学与药物化学::植物化学生态研究
2
地球物理学
2
机械工程
2
机械工程::仪器仪表技术
2
物理学::高能物理学
2
空间环境
2
轻工业、手工业、生活服务业
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
531 Metallurgy and Metallography - 537 Heat Treatment - 539 Metals Corrosion and Protection; Metal Plating - 545 Iron and Steel
1
531.2 Metallography;547.2 Rare Earth Metals;549.2 Alkaline Earth Metals;701.2 Magnetism: Basic Concepts and Phenomena;804.2 Inorganic Compounds;933.1 Crystalline Solids
1
711 Electromagnetic Waves;714.2 Semiconductor Devices and Integrated Circuits;932.1 High Energy Physics
1
933.1 Crystalline Solids;731.3 Specific Variables Control;741.1 Light/Optics;741.3 Optical Devices and Systems;801 Chemistry;802.2 Chemical Reactions;804.2 Inorganic Compounds;813.2 Coating Materials;932.1 High Energy Physics;712.1 Semiconducting Materials;408 Structural Design;482 Mineralogy;539 Metals Corrosion and Protection; Metal Plating;711.1 Electromagnetic Waves in Different Media;622.2 Radiation Effects;701.1 Electricity: Basic Concepts and Phenomena;711 Electromagnetic Waves;657.1 Solar Energy and Phenomena
1
Agriculture; Environmental Sciences & Ecology; Plant Sciences
1
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