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Creation Date 

1. Before 1957  (6,133,882)
2. 1957 To 1973  (5,460,987)
3. 1974 To 1990  (19,950,547)
4. 1991 To 2008  (34,253,515)
5. After 2008  (33,756,499)
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New Records 

1. New From Last Month  (121,419)
2. New From Last 3 Month  (1,353,236)
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Resource Type 

1. Patents  (88,878,489)
2. Articles  (11,325,215)
3. Book Chapters  (264,005)
4. magazinearticle  (177,504)
5. Reviews  (110,746)
6. Thesises (postgraduate)  (84,094)
7. Reports  (75,649)
8. Conference Proceedings  (51,036)
9. Books  (38,728)
10. Newspaper Articles  (28,091)
11. References  (17,402)
12. Web Resources  (17,262)
13. Images  (8,893)
14. Datasets  (7,653)
15. Journals  (3,139)
16. Drawing/Maps  (3,023)
17. Text Resources  (3,005)
18. Newsletter Articles  (2,089)
19. Other  (1,571)
20. Government Documents  (1,398)
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Subject 

1. Transporting  (21,229,793)
2. Performing Operations  (21,229,653)
3. Physics  (21,112,510)
4. Electricity  (19,018,713)
5. Chemistry  (17,816,285)
6. Human Necessities  (16,977,392)
7. Metallurgy  (15,070,960)
8. Mechanical Engineering  (10,685,545)
9. Heating  (10,661,450)
10. Lighting  (10,652,091)
11. Weapons  (10,651,126)
12. Blasting  (10,650,198)
13. Hygiene  (9,022,823)
14. Medical Or Veterinary Science  (9,020,432)
15. Basic Electric Elements  (8,075,223)
16. Electric Communication Technique  (7,294,733)
17. Science & Technology  (6,795,127)
18. Counting  (6,471,456)
19. Computing  (6,470,651)
20. Calculating  (6,470,575)
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Author/Creator 

1. Meinwald, Jerrold  (367)
2. Weiss, Rainer  (142)
3. Olson, Steve  (79)
4. Masciangioli, Tina  (69)
5. Alper, Joe  (39)
6. Wood-Black, Frankie  (16)
7. Schwartz, Sandi  (13)
8. National Research Council (U.S.)  (10)
9. Board on Chemical Sciences and Technology  (9)
10. Division on Earth and Life Studies  (9)
11. National Research Council  (7)
12. Chemical Sciences Roundtable  (5)
13. Masciangioli, Tina  (3)
14. Masciangioli, Tina Marie  (2)
15. Alper, Joe  (2)
16. National Academy of Sciences (U.S.)  (2)
17. Schwarcz, Joseph A  (2)
18. Schwartz, Sandi  (1)
19. Takashiro Akitsu  (1)
20. Board on Science Education  (1)
21. Meinwald, Jerrold  (1)
22. Committee on Mathematical Challenges from Computational Chemistry, National Research Council  (1)
23. National Research Council (U.S.). Committee on Chemistry and Physics of Ozone Depletion  (1)
24. Olson, Steve  (1)
25. Tzi-Bun Ng  (1)
26. Committee on Benchmarking the Research Competitiveness of the United States in Chemistry  (1)
27. Division of Behavioral and Social Sciences and Education  (1)
28. Wood-Black, Frankie  (1)
29. Weiss, Rainer  (1)
30. Michalis Konsolakis  (1)
31. Division on Engineering and Physical Sciences  (1)
32. Committee on Challenges in Chemistry Graduate Education; Board on Chemical Sciences and Technology; Division on Earth and Life Studies; National Research Council  (1)
33. National Academy of Sciences Staff  (1)
34. Andre Schmidt; Stefan Borgwardt  (1)
35. Peter Loyson  (1)
36. Paul Anastas  (1)
37. Anastas, Paul T  (1)
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Databases 

1. esp@cenet  (88,794,081)
2. ProQuest Central  (3,382,012)
3. MEDLINE  (3,370,980)
4. Geneva Foundation Free Medical Journals at publisher websites  (2,659,914)
5. DOAJ Directory of Open Access Journals  (2,325,628)
6. PubMed Central  (2,201,673)
7. ROAD: Directory of Open Access Scholarly Resources  (1,705,062)
8. HighWire Press (Free Journals)  (985,164)
9. Wiley-Blackwell Titles (Open access)  (391,486)
10. Springer_OA刊  (231,010)
11. Nature Free  (174,541)
12. Hyper Article en Ligne (HAL) (Open Access)  (141,947)
13. Ebook Central - Academic Complete  (128,404)
14. Oxford University Press Journals Open Access  (123,161)
15. ProQuest One Psychology  (103,275)
16. IngentaConnect  (102,929)
17. PLoS_OA刊  (101,382)
18. Cell Press Free Archives  (89,990)
19. JSTOR Early Journal Content  (88,417)
20. Free E- Journals  (86,432)
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Language 

1. English  (90,593,056)
2. French  (16,147,250)
3. German  (9,806,269)
4. Korean  (6,220,658)
5. Spanish  (2,761,652)
6. Russian  (2,103,842)
7. Japanese  (1,511,401)
8. Portuguese  (1,203,478)
9. Italian  (570,572)
10. Swedish  (522,584)
11. Danish  (511,001)
12. Finnish  (426,721)
13. Polish  (320,146)
14. Dutch  (307,014)
15. Ukrainian  (223,869)
16. Norwegian  (192,920)
17. Chinese  (181,474)
18. Hebrew  (130,476)
19. Czech  (104,501)
20. Romanian  (94,514)
21. Hungarian  (83,920)
22. Bulgarian  (30,990)
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Journal Title 

1. Analytical Chemistry  (121,111)
2. Angewandte Chemie  (122,195)
3. Biochemistry  (84,310)
4. Blood  (184,933)
5. Cheminform  (419,086)
6. Febs Letters  (75,275)
7. International Journal Of Molecular Sciences  (82,596)
8. Journal Of Organic Chemistry  (89,695)
9. Journal Of The American Chemical Society  (208,381)
10. The Journal Of Biological Chemistry  (273,400)
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