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Creation Date 

1. Before 2006  (7)
2. 2006 To 2009  (68,682)
3. 2010 To 2013  (122,696)
4. 2014 To 2018  (186,561)
5. After 2018  (221,845)
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New Records 

1. New From Last Month  (2,777)
2. New From Last 3 Month  (28,542)
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Resource Type 

1. Patents  (588,262)
2. Articles  (8,747)
3. magazinearticle  (1,150)
4. Book Chapters  (563)
5. Newsletter Articles  (351)
6. Books  (184)
7. Reports  (107)
8. Newspaper Articles  (90)
9. Conference Proceedings  (64)
10. Thesises (postgraduate)  (63)
11. Web Resources  (16)
12. Reviews  (10)
13. Datasets  (6)
14. References  (2)
15. Text Resources  (1)
16. Government Documents  (1)
17. Other  (1)
18. Standards  (1)
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Subject 

1. Chemistry  (574,055)
2. Metallurgy  (573,470)
3. Transporting  (171,715)
4. Performing Operations  (171,711)
5. Fuels  (170,221)
6. Lubricants  (169,083)
7. Peat  (169,036)
8. Petroleum, Gas Or Coke Industries  (169,033)
9. Technical Gases Containing Carbon Monoxide  (169,033)
10. Cracking Hydrocarbon Oils  (165,510)
11. Recovery Of Hydrocarbon Oils From Oil-Shale, Oil-Sand, Orgases  (165,510)
12. Mineral Waxes  (165,510)
13. Refining Mixtures Mainly Consisting Of Hydrocarbons  (165,510)
14. Reforming Of Naphtha  (165,510)
15. Ferrous Or Non-Ferrous Alloys  (164,734)
16. Treatment Of Alloys Or Non-Ferrous Metals  (164,734)
17. Pretreatment Of Raw Materials  (147,906)
18. Production And Refining Of Metals  (147,906)
19. Apparatus Therefor  (138,157)
20. Crystal Growth  (125,694)
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Databases 

1. esp@cenet  (588,262)
2. ProQuest Central  (8,604)
3. DOAJ Directory of Open Access Journals  (2,370)
4. ROAD: Directory of Open Access Scholarly Resources  (1,667)
5. Geneva Foundation Free Medical Journals at publisher websites  (877)
6. Ebook Central - Academic Complete  (623)
7. PubMed Central  (535)
8. SpringerOpen website  (399)
9. MEDLINE  (332)
10. Institute of Physics Open Access Journal Titles  (210)
11. SWEPUB Freely available online  (172)
12. IOPscience (Open Access)  (163)
13. Hyper Article en Ligne (HAL) (Open Access)  (133)
14. US Government Documents  (100)
15. Wiley Online Library Open Access  (89)
16. SciELO  (87)
17. Open Knowledge Repository  (83)
18. Taylor & Francis Open Access  (75)
19. DOAB: Directory of Open Access Books  (70)
20. ScholarVox International  (70)
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Language 

1. English  (484,217)
2. Chinese  (263,083)
3. French  (88,386)
4. German  (45,526)
5. Japanese  (34,172)
6. Korean  (27,196)
7. Russian  (17,962)
8. Spanish  (11,459)
9. Portuguese  (9,169)
10. Polish  (2,797)
11. Ukrainian  (2,511)
12. Swedish  (1,273)
13. Danish  (1,184)
14. Finnish  (1,137)
15. Norwegian  (625)
16. Hungarian  (408)
17. Czech  (396)
18. Romanian  (382)
19. Italian  (363)
20. Serbian  (269)
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Journal Title 

1. Biofuels, Bioproducts And Biorefining  (117)
2. Chemical Industry Digest  (137)
3. Diesel Fuel News  (119)
4. Global Refining & Fuels Report  (1,337)
5. Hart's Diesel Fuel News  (122)
6. Hydrocarbon Processing  (553)
7. Industry Snapshots  (248)
8. Mineral Economics : Raw Materials Report  (177)
9. Oil & Gas Investor  (109)
10. The Energy Journal  (109)
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