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Creation Date 

1. Before 2010  (9,124)
2. 2010 To 2012  (33,078)
3. 2013 To 2015  (28,927)
4. 2016 To 2019  (47,927)
5. After 2019  (50,582)
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New Records 

1. New From Last Week  (40)
2. New From Last Month  (4,042)
3. New From Last 3 Month  (4,641)
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Resource Type 

1. Patents  (99,940)
2. Articles  (69,333)
3. magazinearticle  (279)
4. Books  (32)
5. Reviews  (18)
6. Audio  (7)
7. Thesises (postgraduate)  (6)
8. Book Chapters  (2)
9. Reports  (2)
10. Videos  (1)
11. Web Resources  (1)
12. Conference Proceedings  (1)
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Subject 

1. Female  (48,960)
2. Humans  (45,156)
3. Male  (37,214)
4. Transporting  (30,760)
5. Performing Operations  (30,760)
6. Human Necessities  (27,495)
7. Middle Aged  (24,855)
8. Adult  (24,589)
9. Electricity  (21,694)
10. Aged  (17,161)
11. Basic Electric Elements  (17,076)
12. Line Connectors  (15,021)
13. Current Collectors  (15,021)
14. Young Adult  (12,300)
15. Punching Metal  (11,942)
16. Mechanical Metal-Working Without Essentially Removingmaterial  (11,942)
17. Heating  (11,291)
18. Lighting  (11,289)
19. Mechanical Engineering  (11,289)
20. Blasting  (11,288)
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Databases 

1. esp@cenet  (99,940)
2. MEDLINE  (49,252)
3. PubMed Central  (11,566)
4. DOAJ Directory of Open Access Journals  (6,785)
5. ProQuest Central  (4,282)
6. GFMER Free Medical Journals  (754)
7. Hong Kong Journals Online  (694)
8. ROAD: Directory of Open Access Scholarly Resources  (362)
9. Bioline International  (176)
10. Journals@Ovid Open Access Journal Collection Rolling  (171)
11. Oxford Journals Open Access Collection  (150)
12. ProQuest One Psychology  (111)
13. Wiley Online Library Open Access  (97)
14. Medknow Open Access Medical Journals  (91)
15. 国家哲学社会科学学术期刊数据库 (National Social Sciences Database)  (72)
16. Springer Nature OA Free Journals  (56)
17. Freely Accessible Journals  (31)
18. ERIC - Full Text Only (Discovery)  (31)
19. Freely Accessible Arts & Humanities Journals  (30)
20. Coronavirus Research Database  (24)
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Language 

1. English  (97,241)
2. French  (721)
3. Japanese  (182)
4. Russian  (2)
5. Portuguese  (2)
6. Spanish  (2)
7. Polish  (1)
8. Arabic  (1)
9. Ukrainian  (1)
10. Persian  (1)
11. German  (1)
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Journal Title 

1. Chung-Hua Wai Kʿo Tsa Chih  (1,511)
2. Lin Chuang Er Bi Yan Hou Ke Za Zhi  (1,490)
3. Nan Fang Yi Ke Da Xue Xue Bao = Journal Of Southern Medical University  (1,717)
4. Zhong Hua Yi Xue Za Zhi  (3,834)
5. Zhongguo Dang Dai Er Ke Za Zhi  (1,894)
6. Zhongguo Gu Shang  (2,251)
7. Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi  (2,219)
8. Zhōngguó Zhēnjiǔ  (1,573)
9. Zhōnghuá Liúxíngbìng Zázhì  (1,888)
10. Zhonghua Yi Xue Yi Chuan Xue Za Zhi  (1,394)
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