Refine My Results

Creation Date 

1. Before 1960  (63,919)
2. 1960 To 1975  (136,635)
3. 1976 To 1991  (507,135)
4. 1992 To 2008  (884,480)
5. After 2008  (2,031,760)
6. More options 

New Records 

1. New From Last Month  (122,608)
2. More options 

Subject 

1. Physics  (3,628,551)
2. Measuring  (2,074,733)
3. Testing  (2,074,733)
4. Measuring Magnetic Variables  (1,479,438)
5. Measuring Electric Variables  (1,479,438)
6. Electricity  (1,044,532)
7. Controlling  (933,434)
8. Regulating  (933,434)
9. Cryptography  (818,843)
10. Education  (818,843)
11. Display  (818,843)
12. Advertising  (818,843)
13. Seals  (818,843)
14. Systems For Controlling Or Regulating Non-Electric Variables  (701,210)
15. Tariff Metering Apparatus  (521,318)
16. Arrangements For Measuring Two Or More Variables Not Coveredin A Single Other Subclass  (521,318)
17. Measuring Not Specially Adapted For A Specific Variable  (521,318)
18. Measuring Or Testing Not Otherwise Provided For  (521,318)
19. Calculating  (428,669)
20. Computing  (428,669)
21. More options 

Databases 

1. esp@cenet  (3,633,172)
2. PolyU Institutional Research Archive  (1)
3. More options 

Language 

1. English  (3,069,836)
2. Chinese  (981,443)
3. French  (413,211)
4. German  (374,929)
5. Korean  (167,071)
6. Japanese  (123,635)
7. Russian  (40,656)
8. Spanish  (24,228)
9. Portuguese  (13,152)
10. Italian  (12,271)
11. Swedish  (9,449)
12. Polish  (5,549)
13. Finnish  (5,353)
14. Dutch  (5,187)
15. Danish  (4,969)
16. Norwegian  (3,717)
17. Romanian  (2,140)
18. Ukrainian  (1,865)
19. Czech  (1,295)
20. Hungarian  (704)
21. More options