X
Search Filters
Format Format
Format Format
X
Sort by Item Count (A-Z)
Filter by Count
Journal Article (3464) 3464
Patent (2742) 2742
Magazine Article (180) 180
Conference Proceeding (153) 153
Publication (50) 50
Book Chapter (27) 27
Dissertation (11) 11
Newspaper Article (10) 10
Book / eBook (8) 8
Book Review (4) 4
Reference (2) 2
Report (2) 2
Web Resource (2) 2
Technical Report (1) 1
more...
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
performing operations (723) 723
transporting (723) 723
chemistry (521) 521
physics (500) 500
metallurgy (496) 496
mechanical engineering (454) 454
electricity (450) 450
heating (448) 448
lighting (448) 448
blasting (447) 447
weapons (447) 447
human necessities (378) 378
engineering elements and units (308) 308
general measures for producing and maintaining effectivefunctioning of machines or installations (308) 308
thermal insulation in general (308) 308
index medicus (291) 291
testing (237) 237
fixed constructions (236) 236
measuring (233) 233
hygiene (204) 204
medical or veterinary science (204) 204
pipes (193) 193
joints or fittings for pipes (192) 192
means for thermal insulation in general (192) 192
supports for pipes, cables or protective tubing (192) 192
humans (178) 178
compositions based thereon (173) 173
organic macromolecular compounds (173) 173
their preparation or chemical working-up (173) 173
basic electric elements (172) 172
compositions of macromolecular compounds (163) 163
electric communication technique (154) 154
use of inorganic or non-macromolecular organic substances ascompounding ingredients (153) 153
preparations for medical, dental, or toilet purposes (129) 129
specific therapeutic activity of chemical compounds ormedicinal preparations (120) 120
working of plastics (119) 119
working of substances in a plastic state, in general (119) 119
male (118) 118
calculating (116) 116
computing (116) 116
counting (116) 116
after-treatment of the shaped products, e.g. repairing (114) 114
shaping of material in a plastic state, not otherwise providedfor (114) 114
shaping or joining of plastics (114) 114
female (108) 108
generation (108) 108
microbiology (106) 106
transmission of digital information, e.g. telegraphiccommunication (104) 104
analysis (102) 102
conversion or distribution of electric power (102) 102
biochemistry (101) 101
mining (101) 101
earth drilling (98) 98
machine tools (98) 98
surgery (97) 97
beer (96) 96
enzymology (96) 96
metal-working not otherwise provided for (96) 96
mutation or genetic engineering (96) 96
spirits (96) 96
vinegar (96) 96
wine (96) 96
astronomy & astrophysics (90) 90
animals (86) 86
general tagging of cross-sectional technologies spanning over several sections of the ipc (86) 86
general tagging of new technological developments (86) 86
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (86) 86
technologies or applications for mitigation or adaptation againstclimate change (86) 86
electric digital data processing (83) 83
physical or chemical processes or apparatus in general (80) 80
agriculture (79) 79
investigating or analysing materials by determining theirchemical or physical properties (78) 78
forestry (72) 72
middle aged (72) 72
trapping (71) 71
animal husbandry (70) 70
fishing (69) 69
hunting (69) 69
brakes (67) 67
china (67) 67
clutches (67) 67
couplings for transmitting rotation (67) 67
红旗 (66) 66
studies (62) 62
chemistry, physical (60) 60
文学作品 (59) 59
adult (58) 58
culture media (58) 58
organic chemistry (58) 58
compositions thereof (57) 57
conveying (57) 57
earth drilling, e.g. deep drilling (57) 57
handling thin or filamentary material (57) 57
microorganisms or enzymes (57) 57
obtaining oil, gas, water, soluble or meltable materials or aslurry of minerals from wells (57) 57
packing (57) 57
propagating, preserving or maintaining microorganisms (57) 57
storing (57) 57
expression (56) 56
magnetic fields (56) 56
more...
Library Location Library Location
Language Language
Language Language
X
Sort by Item Count (A-Z)
Filter by Count
Chinese (4642) 4642
English (4220) 4220
French (42) 42
German (11) 11
Japanese (9) 9
Russian (2) 2
Korean (1) 1
Norwegian (1) 1
Spanish (1) 1
more...
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


Applied Mechanics and Materials, ISSN 1660-9336, 02/2013, Volume 295-298, pp. 2703 - 2706
Based on gas chromatography mass spectrometry techniques, the biomarker characteristics of the Hongqi Formation source rocks in the Tuquan basin are studied,... 
Source rocks | Biomarker characteristics | Hongqi formation | Tuquan basin
Journal Article
Shui Zi Yuan Bao Hu = Water Resources Protection, ISSN 1004-6933, 01/2018, Issue 4, p. 8
The "Hongqi River"water transfer proposal and its background are reviewed. Several potential pitfalls in this proposal are discussed,including soil... 
Soil erosion | Erosion mechanisms | Arid regions | Desertification | Canals | Rainfall | Water distribution | Evaporation | Rivers | Water transfer | Soil salinity | Soil salinization | Droughts | Water quality | Salinization | Drought
Journal Article
Meitan Jishu / Coal Technology, ISSN 1008-8725, 12/2014, Volume 33, Issue 12, pp. 17 - 19
Taking multi-thin-seam in Hongqi coal mine area as the main object of the study, coal ploughability is analyzed, and the main parameters of plow selection are... 
Economics | Mining | Faults | Coal mines | Seams | Plows | Mathematical analysis | Equipment costs | Coal
Journal Article
Journal Article
Scientific Reports, ISSN 2045-2322, 12/2017, Volume 7, Issue 1, pp. 1 - 12
With rapid economic growth, industrialization, and urbanization, various ecological and environmental problems occur, which threaten and undermine the... 
Terrestrial ecosystems | Spatial distribution | Urbanization | Scaling | Biodiversity | Sustainable development | Environmental impact
Journal Article
Astrophysical Journal Letters, ISSN 2041-8205, 08/2018, Volume 862, Issue 2, p. L17
Journal Article