X
Search Filters
Format Format
Format Format
X
Sort by Item Count (A-Z)
Filter by Count
Patent (1266994) 1266994
Journal Article (5355) 5355
Publication (1526) 1526
Conference Proceeding (163) 163
Book Chapter (127) 127
Book / eBook (95) 95
Dissertation (64) 64
Web Resource (23) 23
Magazine Article (21) 21
Paper (18) 18
Book Review (15) 15
Newspaper Article (14) 14
Government Document (10) 10
Reference (3) 3
Newsletter (1) 1
more...
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
generation (1267186) 1267186
electricity (1267002) 1267002
conversion or distribution of electric power (1266994) 1266994
dynamo-electric machines (885542) 885542
control or regulation of electric motors, electric generatorsor dynamo-electric converters (427739) 427739
controlling transformers, reactors or choke coils (427739) 427739
heating (203045) 203045
mechanical engineering (203033) 203033
lighting (203018) 203018
blasting (203016) 203016
weapons (203016) 203016
transporting (178803) 178803
performing operations (178802) 178802
general tagging of cross-sectional technologies spanning over several sections of the ipc (147767) 147767
general tagging of new technological developments (147767) 147767
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (147767) 147767
physics (128643) 128643
technologies or applications for mitigation or adaptation againstclimate change (90306) 90306
basic electric elements (88406) 88406
engineering elements and units (87876) 87876
general measures for producing and maintaining effectivefunctioning of machines or installations (87876) 87876
thermal insulation in general (87876) 87876
vehicles in general (78670) 78670
technical subjects covered by former uspc (65529) 65529
apparatus for conversion between ac and ac, between ac and dc,or between dc and dc, and for use with mains or similar powersupply systems (50419) 50419
control or regulation thereof (50419) 50419
conversion of dc or ac input power into surge outputpower (50419) 50419
technical subjects covered by former us classification (50327) 50327
positive displacement machines for liquids (49246) 49246
pumps for liquids or elastic fluids (49246) 49246
electric equipment or propulsion of electrically-propelledvehicles (46877) 46877
electrodynamic brake systems for vehicles, in general (46877) 46877
magnetic suspension or levitation for vehicles (46877) 46877
climate change mitigation technologies related totransportation (46215) 46215
testing (42397) 42397
measuring (42394) 42394
controlling (38064) 38064
regulating (38064) 38064
reduction of greenhouse gas [ghg] emissions, related to energygeneration, transmission or distribution (35798) 35798
circuit arrangements or systems for supplying or distributingelectric power (33713) 33713
systems for storing electric energy (33713) 33713
magnets (32591) 32591
inductances (32584) 32584
selection of materials for their magnetic properties (32584) 32584
transformers (32584) 32584
combustion engines (32369) 32369
hot-gas or combustion-product engine plants (32369) 32369
shafts (31128) 31128
bearings (31061) 31061
elements or crankshaft mechanisms (31061) 31061
flexible shafts (31061) 31061
rotary bodies other than gearing elements (31061) 31061
gearing (30827) 30827
machines or engines for liquids (29217) 29217
or a reactive propulsive thrust, not otherwise provided for (29217) 29217
producing mechanical power (29217) 29217
wind, spring weight and miscellaneous motors (29217) 29217
non-positive displacement pumps (29114) 29114
current collectors (28156) 28156
line connectors (28156) 28156
emergency protective circuit arrangements (23291) 23291
human necessities (21660) 21660
arrangement or mounting of plural diverse prime-movers invehicles (21230) 21230
arrangement or mounting of propulsion units or oftransmissions in vehicles (21230) 21230
arrangements in connection with cooling, air intake, gasexhaust or fuel supply of propulsion units, in vehicles (21230) 21230
auxiliary drives for vehicles (21230) 21230
instrumentation or dashboards for vehicles (21230) 21230
information storage (21088) 21088
information storage based on relative movement between recordcarrier and transducer (20932) 20932
control or regulating systems in general (20594) 20594
functional elements of such systems (20594) 20594
monitoring or testing arrangements for such systems orelements (20594) 20594
pumps (19132) 19132
land vehicles for travelling otherwise than on rails (18707) 18707
fixed constructions (17992) 17992
technical subjects covered by former uspc cross-reference artcollections [xracs] and digests (17373) 17373
wind motors (16161) 16161
brakes (15512) 15512
clutches (15512) 15512
couplings for transmitting rotation (15512) 15512
engine plants in general (15382) 15382
machines or engines in general (15382) 15382
steam engines (15382) 15382
measuring electric variables (15260) 15260
measuring magnetic variables (15260) 15260
systems for controlling or regulating non-electric variables (15209) 15209
electric techniques not otherwise provided for (14581) 14581
machine tools (13692) 13692
metal-working not otherwise provided for (13692) 13692
motor vehicles (13439) 13439
trailers (13439) 13439
indexing schemes relating to engines or pumps in varioussubclasses of classes f01-f04 (13257) 13257
casings or constructional details of electric apparatus (11743) 11743
manufacture of assemblages of electrical components (11743) 11743
printed circuits (11743) 11743
chemistry (11672) 11672
metallurgy (11668) 11668
hauling (11639) 11639
hoisting (11639) 11639
lifting (11639) 11639
more...
Library Location Library Location
Library Location Library Location
X
Sort by Item Count (A-Z)
Filter by Count
Gerstein Science - Stacks (46) 46
Online Resources - Online (32) 32
Astronomy & Astrophysics - Ask at library (13) 13
UTL at Downsview - May be requested (10) 10
Collection Dvlpm't (Acquisitions) - Vendor file (9) 9
Engineering & Comp. Sci. - Stacks (9) 9
Robarts - Stacks (8) 8
Physics - Stacks (6) 6
UofT at Mississauga - Stacks (6) 6
Collection Dvlpm't (Acquisitions) - Closed Orders (4) 4
UofT at Scarborough - Stacks (3) 3
Mathematical Sciences - Stacks (2) 2
St. Michael's College (John M. Kelly) - 2nd Floor (2) 2
Thomas Fisher Rare Book - Rare Book (2) 2
Astronomy & Astrophysics - Stacks (1) 1
Earth Sciences (Noranda) - Stacks (1) 1
Engineering & Comp. Sci. - May be requested in 6-10 wks (1) 1
UofT at Scarborough - Not Returned (1) 1
more...
Language Language
Language Language
X
Sort by Item Count (A-Z)
Filter by Count
English (1053931) 1053931
Chinese (210604) 210604
German (173562) 173562
French (164233) 164233
Japanese (56334) 56334
Korean (38694) 38694
Russian (21468) 21468
Spanish (13249) 13249
Portuguese (7321) 7321
Italian (7026) 7026
Swedish (4193) 4193
Finnish (2493) 2493
Danish (2465) 2465
Dutch (1837) 1837
Polish (1819) 1819
Norwegian (1433) 1433
Romanian (1331) 1331
Ukrainian (1017) 1017
Czech (672) 672
Turkish (443) 443
Hungarian (343) 343
Bulgarian (336) 336
Slovenian (289) 289
Latvian (191) 191
Greek (155) 155
Slovak (147) 147
Serbian (136) 136
Indonesian (96) 96
Croatian (85) 85
Hebrew (62) 62
Lithuanian (43) 43
Arabic (39) 39
Estonian (34) 34
Icelandic (22) 22
Moldavian (5) 5
Bosnian (3) 3
more...
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


2007, Fluid mechanics of astrophysics and geophysics, ISBN 1584889543, Volume 13, xxii, 482
Book
1909, 5Th ed., rewritten, rev. and enl.
Book
1909, 5th ed., rev. and enl., The Specialist's series
eBook
Annual Review of Astronomy and Astrophysics, ISSN 0066-4146, 2014, Volume 52, Issue 1, pp. 251 - 290
Journal Article
Annual Review of Fluid Mechanics, ISSN 0066-4189, 01/2011, Volume 43, Issue 1, pp. 583 - 614
Journal Article
The Astrophysical Journal Letters, ISSN 2041-8205, 02/2011, Volume 727, Issue 2, p. L45
Journal Article
Journal of Geophysical Research Planets, ISSN 0148-0227, 12/2012, Volume 117, Issue E12, p. n/a
The structure of Mercury's internal magnetic field has been determined from analysis of orbital Magnetometer measurements by the MESSENGER spacecraft. We... 
Lunar and Planetary Science and Exploration | planetary dynamo | magnetic field | MESSENGER | Mercury | SHELL GEOMETRY | CORE | GEOCHEMISTRY & GEOPHYSICS | ORIGIN | MODELS | CONVECTION | MISSION | THERMOELECTRIC DYNAMO | MESSENGER OBSERVATIONS | DYNAMO ACTION | Magnetism | Planets | Magnetic fields | Planetology
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 12/2018, Volume 620, p. A135
Journal Article
Monthly Notices of the Royal Astronomical Society: Letters, ISSN 1745-3925, 05/2012, Volume 422, Issue 1, pp. L53 - L56
ABSTRACT Recent publications have suggested various scaling laws for dynamo growth rates when dynamo action is made possible or enhanced by shear. In order to... 
Sun: dynamo
Journal Article
2011, ISBN 9780470682548, xx, 392
The transformation of vibrations into electric energy through the use of piezoelectric devices is an exciting and rapidly developing area of research with a... 
Power Resources | TECHNOLOGY | Piezoelectricity | Piezoelectric devices | Energy harvesting | Transducers | Equipment and supplies
Book
1981, MIT Press/Wright-Allen series in system dynamics, ISBN 0262181029, xi, 413
Book