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Creation Date 

1. Before 1960  (31,636)
2. 1960 To 1975  (63,340)
3. 1976 To 1991  (176,849)
4. 1992 To 2008  (196,665)
5. After 2008  (494,502)
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New Records 

1. New From Last Month  (30,351)
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Resource Type 

1. Patents  (967,569)
2. Articles  (9)
3. Book Chapters  (1)
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Subject 

1. Controlling  (967,569)
2. Physics  (967,569)
3. Systems For Controlling Or Regulating Non-Electric Variables  (701,210)
4. Electricity  (222,567)
5. Systems For Regulating Electric Or Magnetic Variables  (199,538)
6. Transporting  (196,785)
7. Performing Operations  (196,785)
8. Measuring  (152,244)
9. Testing  (152,244)
10. Lighting  (147,800)
11. Weapons  (147,800)
12. Blasting  (147,800)
13. Heating  (147,800)
14. Mechanical Engineering  (147,800)
15. Control Or Regulating Systems In General  (121,874)
16. Functional Elements Of Such Systems  (121,874)
17. Monitoring Or Testing Arrangements For Such Systems Orelements  (121,874)
18. Conversion Or Distribution Of Electric Power  (107,377)
19. Generation  (107,377)
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Databases 

1. esp@cenet  (967,569)
2. ProQuest Central  (7)
3. DOAJ Directory of Open Access Journals  (6)
4. ROAD: Directory of Open Access Scholarly Resources  (3)
5. MEDLINE  (2)
6. Coronavirus Research Database  (1)
7. Wiley-Blackwell Open Access Collection  (1)
8. Springer_OA刊  (1)
9. PubMed Central  (1)
10. Taylor & Francis Open Access Journals  (1)
11. ProQuest One Psychology  (1)
12. Dialnet  (1)
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Language 

1. English  (800,148)
2. Chinese  (221,291)
3. French  (123,095)
4. German  (112,845)
5. Korean  (30,441)
6. Japanese  (26,225)
7. Russian  (12,732)
8. Spanish  (11,161)
9. Italian  (6,025)
10. Portuguese  (5,109)
11. Swedish  (4,452)
12. Danish  (2,549)
13. Dutch  (2,355)
14. Finnish  (2,213)
15. Polish  (1,809)
16. Norwegian  (1,554)
17. Ukrainian  (615)
18. Romanian  (564)
19. Czech  (480)
20. Turkish  (319)
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Journal Title 

1. Diversity & Distributions  (1)
2. Earth  (1)
3. Environmental Monitoring And Assessment  (1)
4. European Journal Of Investigation In Health, Psychology And Education  (1)
5. Geosciences  (1)
6. International Journal Of Biodiversity Science, Ecosystems Services & Management  (1)
7. Journal Of The Science Of Food And Agriculture  (1)
8. Land  (1)
9. Landscape Ecology  (1)
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