X
Search Filters
Format Format
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
physics (121) 121
human necessities (116) 116
index medicus (89) 89
chemistry (88) 88
metallurgy (82) 82
performing operations (77) 77
transporting (77) 77
agriculture (73) 73
animal husbandry (72) 72
fishing (72) 72
forestry (72) 72
hunting (72) 72
trapping (72) 72
measuring (61) 61
testing (61) 61
horticulture (55) 55
analysis (54) 54
cultivation of vegetables, flowers, rice, fruit, vines, hopsor seaweed (53) 53
watering (53) 53
electricity (44) 44
animals (38) 38
north china craton (38) 38
humans (37) 37
investigating or analysing materials by determining theirchemical or physical properties (34) 34
calculating (32) 32
computing (32) 32
counting (32) 32
female (32) 32
geosciences, multidisciplinary (32) 32
biochemistry (31) 31
microbiology (31) 31
beer (30) 30
cratons (30) 30
mice (30) 30
zirconium (30) 30
enzymology (28) 28
mutation or genetic engineering (28) 28
spirits (28) 28
vinegar (28) 28
wine (28) 28
mechanical engineering (26) 26
heating (25) 25
blasting (24) 24
lighting (24) 24
weapons (24) 24
hygiene (23) 23
medical or veterinary science (23) 23
fixed constructions (21) 21
male (21) 21
geochronology (20) 20
organic chemistry (20) 20
metamorphism (19) 19
polishing (19) 19
data processing systems or methods, specially adapted foradministrative, commercial, financial, managerial, supervisoryor forecasting purposes (18) 18
expression (18) 18
foods or foodstuffs (18) 18
general tagging of cross-sectional technologies spanning over several sections of the ipc (18) 18
general tagging of new technological developments (18) 18
research (18) 18
systems or methods specially adapted for administrative,commercial, financial, managerial, supervisory or forecastingpurposes, not otherwise provided for (18) 18
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (18) 18
technologies or applications for mitigation or adaptation againstclimate change (18) 18
their treatment, not covered by other classes (18) 18
fertilisers (17) 17
fertilisers characterised by their form (17) 17
manufacture thereof (17) 17
measuring electric variables (17) 17
measuring magnetic variables (17) 17
mixtures of fertilisers covered individually by differentsubclasses of class c05 (17) 17
mixtures of one or more fertilisers with materials not havinga specific fertilising activity, e.g. pesticides,soil-conditioners, wetting agents (17) 17
plant sciences (17) 17
apparatus for enzymology or microbiology (16) 16
grinding (16) 16
earth drilling (15) 15
earth drilling, e.g. deep drilling (15) 15
evolution (15) 15
generation (15) 15
mining (15) 15
neoarchean (15) 15
obtaining oil, gas, water, soluble or meltable materials or aslurry of minerals from wells (15) 15
shrimp dating (15) 15
apoptosis (14) 14
cell biology (14) 14
compositions thereof (14) 14
controlling (14) 14
conversion or distribution of electric power (14) 14
culture media (14) 14
electric communication technique (14) 14
geology (14) 14
materials science, multidisciplinary (14) 14
microorganisms or enzymes (14) 14
propagating, preserving or maintaining microorganisms (14) 14
regulating (14) 14
rocks (14) 14
pharmacology & pharmacy (13) 13
polymer science (13) 13
electric digital data processing (12) 12
genetic engineering (12) 12
geochemistry (12) 12
identification (12) 12
more...
Language Language
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


Nature, ISSN 0028-0836, 02/2016, Volume 530, Issue 7591, pp. 457 - 460
Precision laser spectroscopy(1) of cold and trapped molecular ions is a powerful tool in fundamental physics-used, for example, in determining fundamental... 
MULTIDISCIPLINARY SCIENCES | Research | Quantum chemistry | Spectrum analysis | Analysis | Molecules | Ions | Quantum physics
Journal Article
Journal of Neurochemistry, ISSN 0022-3042, 07/2015, Volume 134, Issue 2, pp. 382 - 393
Accumulating evidence indicates that abnormal deposition of amyloid‐β (Aβ) peptide in the brain is responsible for endothelial cell damage and consequently... 
receptor for advanced glycation end‐products | blood–brain barrier | Alzheimer's disease | amyloid beta | tight junction | blood-brain barrier | receptor for advanced glycation end-products
Journal Article
Journal Article
Mathematical problems in engineering, ISSN 1024-123X, 4/2019, Volume 2019, pp. 1 - 11
In the process of parallel mechanism design, it is difficult to avoid the singularity, especially in the mobile parallel mechanism. Therefore, a new... 
ROBOT | MATHEMATICS, INTERDISCIPLINARY APPLICATIONS | MANIPULATORS | ENGINEERING, MULTIDISCIPLINARY | KINEMATICS | Automation | Gait | Theory | Attitudes | Matrix methods | Robotics | Geometry | Jacobian matrix | Mathematical analysis | Correlation analysis | Kinematics | Jacobi matrix method | Trends | Screw theory | Robots | Methods
Journal Article
American Journal of Science, ISSN 0002-9599, 03/2008, Volume 308, Issue 3, pp. 200 - 231
The Anshan area in the northeastern part of the North China Craton contains the oldest known rocks in China. Rocks with ages of similar to 3.8 Ga are present... 
GEOSCIENCES, MULTIDISCIPLINARY | WESTERN-AUSTRALIA | AREA | NORTHWESTERN CANADA | STANDARD ZIRCONS | CRUSTAL EVOLUTION | GA | PROVINCE | DETRITAL ZIRCONS | GEOCHRONOLOGY | CONTINENTAL-CRUST | Rocks | Research | Natural history | Zircon
Journal Article
American Journal of Science, ISSN 0002-9599, 09/2013, Volume 313, Issue 7, pp. 683 - 711
Journal Article
地学前缘(英文版), ISSN 1674-9871, 2011, Volume 2, Issue 2, pp. 137 - 146
This paper carried out a study on U--Th--Pb behavior of zircons in a "dry" rock system during high-grade metamorphism in the Archean basement of eastern... 
山东 | SHRIMP | 闪长岩 | Pb | 变质条件 | 行为 | 锆石 | 案例 | High-grade metamorphism | Early Precambrian | Reset | SHRIMP dating | U–Th–Pb system | Zircons | U-Th-Pb system | Indexing in process
Journal Article
American Journal of Science, ISSN 0002-9599, 12/2010, Volume 310, Issue 10, pp. 1503 - 1552
Journal Article
中国科学:技术科学英文版, ISSN 1674-7321, 2017, Volume 60, Issue 2, pp. 199 - 208
Journal Article
中国科学:技术科学英文版, ISSN 1674-7321, 2017, Volume 60, Issue 7, pp. 1103 - 1110
Negative Poisson's ratio(NPR) structure has outstanding performances in lightweight and energy absorption, and it can be widely applied in automotive... 
粒子群优化算法 | 保险杠 | 负泊松比 | 稳健优化设计 | 系统 | 优化设计方法 | 多目标 | 防撞性能 | Engineering | negative Poisson’s ratio structure | multi-objective robust design optimization | parameterized model | bumper system | Engineering, general | crashworthiness
Journal Article
Physica C: Superconductivity and its applications, ISSN 0921-4534, 12/2018, Volume 555, pp. 60 - 65
•The malonic acid was proved to be an effective carbon source.•The carbon atoms were released by the reaction of Mg and CO2.•The x value in Mg(B1-xCx)2... 
Critical current density | Malonic acid | Decomposition | MgB2 | Doping | PHYSICS, CONDENSED MATTER | PHYSICS, APPLIED | CARBON | PERFORMANCE | BULKS | CRITICAL-CURRENT DENSITY | TEMPERATURE | H-C2 | BORON POWDER | SIGNIFICANT ENHANCEMENT | Pyrolysis | Ethanol | Superconductivity | Mechanical properties | Substitution reactions | Effects | Magnesium compounds | Carbon | Weight | Boron | Borides | Flux pinning | Acids | Magnetic fields | Grain refinement
Journal Article
Journal Article