62.8K(top 0.1%)
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3.2M(top 0.1%)
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537(top 0.1%)
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81.6K
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3.7M
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34.9K
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Top Disciplines (by citations)

#DisciplineArticlesCitationsR ARankR CRank
1Physics3,393302,5598380
2Chemistry4,679298,4403536
3Science2,030283,69115692
4Biology2,101272,54514587
5Natural history465160,06413283
6Molecular Biology1,396122,31716399
7Biochemistry1,54896,720181107
8Microbiology1,13584,59111083
9Biotechnology89172,7768243
10Pollution86870,4235623
11Nanotechnology77160,21813581
12Ecology97258,368114129
13Cytology52555,466187145
14Bioengineering57255,0415741
15Cell Biology47854,464189148
16Environmental Health64950,0637936
17Materials70749,367189133
18Environmental Engineering58647,6443620
19Geophysics1,03947,3678166
20Neurology50145,353379219
21Medicine75742,111525456
22sanitation47441,3811815
23Materials Science62835,948154104
24Research71935,558379245
25Environment40234,306135104
26Condensed Matter85229,641128133
27Botany41727,468171112
28Optics65926,75611645
29miniaturization24526,4795742
30Artificial Intelligence16224,82025836
31Solid State Physics82024,733129152
32Biophysics39724,544333106
33Technology48624,0944821
34Electronics50523,6598528
35Biomedical Engineering48223,36910254
36Neurophysiology26823,273175125
37Nuclear Physics64522,340331312
38Chemical Engineering54322,2267787
39Microelectronics17721,9388342
40Computational Biology21121,65611967
41Immunology24421,647412274
42Molecular structure18221,3033320
43plant molecular biology12721,01110845
44nanoscience24220,49615596
45Genetics33319,963212254
46Catalysis38219,90811690
47Genetic algorithms2619,896302
48Evolutionary Computation2419,813382
49Computer Graphics23419,723339
50Telecommunication17019,67115936
51Biochemical Engineering14919,30410085
52Pharmaceutical Chemistry30919,26915777
53Signal Processing22618,99412843
54Astronomy42018,792303283
55Polymers59218,717155126
56Planets39618,5668885
57Biocompatible Materials30918,501213159
58Geology43918,3128359
59Colloids37717,9968757
60Microbial Ecology28317,9756688
61Meteorology24917,40113392
62biological evolution16217,29812677
63Evolution15517,17812759
64Physical Chemistry23616,5298854
65Biodiversity conservation14716,0808760
66Water25316,0664642
67Surface Chemistry29215,8609042
68Plant cells15015,7368694
69Hydrology26015,5616940
70Bacteriology12915,46410139
71environmental pollution27415,33414391
72Plant physiology7914,87625256
73Water pollution21514,8364830
74Immunity11714,762222190
75Virology8214,693630366
76Information Theory13914,1595119
77Environmental Policy18914,0255326
78Mineralogy19413,9744716
79Photonics17013,84112247
80Earth Sciences21813,81411151
81Environmental Chemistry16513,6996654
82Electrochemistry24913,49816728
83Toxicology27913,489208119
84Pharmacology18813,430620270
85Analytical Chemistry32213,363193146
86Climate change9813,2597354
87Eutrophication9613,2307454
88Astrophysics27513,158399398
89Statistical physics37013,051195135
90Nutrition16312,962465204
91Human genetics6512,498571540
92Climatology16112,28914992
93Fluid Mechanics18012,13812560
94nuclear magnetic resonance22711,836107
95Plants15511,727145104
96Nanostructured Materials23411,701201136
97Image Processing12711,66511146
98Mathematics90611,64610390
99polymerization38111,470182148
100Energy Conversion7111,28513470
101Petrology15111,2662218
102Psychophysiology16511,188271186
103Developmental Biology15210,804184175
104Diet10210,507262118
105Light4010,34915231
106Atmospheric Physics15510,320153115
107Spectrum analysis18210,066348280
108Bioinformatics13510,049166150
109Medical Laboratory Science13410,0008149
110Physiology1859,920424325
111Organic Chemistry1849,912221108
112Computational Chemistry869,660938
113nuclear magnetic resonance spectroscopy1619,43087
114Cancer1069,242747395
115Molecules2029,0591815
116proteins1748,9278772
117Quantum electronics1818,6595515
118Power Electronics1128,6306328
119Molecular Genetics1388,62911193
120Plant diseases1718,59412863
121Radio968,40815053
122Automation1298,30211572
123Bioorganic chemistry1068,28424681
124Neurobiology1148,183142127
125Proteome657,83311638
126Engineering2267,75114563
126Optical materials1357,751215172
128Geochemistry2397,7494028
129Product life cycle827,73763
129green products827,73763
131Biodiversity1717,6638085
132nucleic acids1237,622194266
133Robotics1377,5105519
134Nonlinear Dynamics2167,30412296
135molecular design177,267472
136Hematology867,1391.1K519
137Metabolism946,886514381
138Electrical Engineering5226,8308780
139Host-parasite interactions706,777136113
140Industrial Microbiology1046,7188949
141Microscopy1386,71710615
142Numerical Analysis1826,5674028
143Statistics1036,563326155
144Agricultural Ecology1026,5575849
145genome846,528181220
146Environmental monitoring1166,387246169
147Medical Physics1146,361192100
148Virulence696,273131102
149Ceramics926,26715659
150Glass916,25611157
151pottery906,25011055
152Economics1356,181507248
153Population Genetics936,15410384
154water supply1156,1456765
155soil microbiology1166,0765260
156Proteomics446,05612027
157Psychiatry1015,994893668
158Entomology1845,95814186
159cell physiology695,945224157
160Brain925,944369233
161Soil Science1295,9129173
162Molecular ecology805,887108104
163Nervous system825,787357278
164Embryology895,775238220
165Nanostructures465,728274143
166Data Mining465,71913249
167Anatomy845,695275197
168Neurons435,682139181
169lasers1695,6399045
170Cell differentiation755,558312313
171protein1225,5456275
172Behavior835,510422271
173Public Health695,4761.3K639
174Molecular Microbiology645,4619884
175Psychopharmacology915,317197160
176Energy Policy435,28417027
177Growth685,234193201
178Plant Ecology1275,20278106
179Immune system315,177279235
180Biomechanics755,12211254
181Engineering Mathematics915,10319744
182Histology865,068202140
183Oceanography894,958215158
184Quantum Optics854,8763015
185Green Chemistry974,845145140
185Radiography364,84519160
187human behavior784,804236206
188Water quality management934,7619025
189Control Theory884,72717461
190energy conservation764,7018969
191biological factors814,68714049
192Organometallic compounds1134,6624431
193Oncology154,6201.2K449
194Environmental Microbiology784,6108193
195Renewable Energy Sources414,609251150
196Endocrinology494,596953627
197Mass Spectrometry954,5868545
198Agriculture914,533198112
199Genetic engineering784,460161145
200data collection304,45510945
201Atomic spectroscopy704,4174718
202Waste management754,3856816
203Laser Spectroscopy664,3684316
204Water Purification734,3525313
205Mathematical Physics2374,319112241
206Combinatorial chemistry664,2976244
207Clinical Chemistry744,287448296
208Biogeochemical cycles504,2705050
209United States1084,251810580
210United Kingdom504,216304153
211environmental protection854,142305260
212Sustainable Engineering824,04811792
213plant communities814,03187106
214Rheology933,7701818
215Animal Behavior473,744361219
216management673,705453376
217Medical Microbiology423,698648374
218Computer Vision623,6955075
219Transportation1073,67610178
220Glaciology1033,6312112
220glaciers1033,6311911
222natural products443,61531186
223Cheminformatics373,6121214
224Immunotherapy363,607450309
225Engineering Geology943,6037053
226Neuropsychology663,550381240
227Magnetic Resonance Spectroscopy1113,5273942
228Ethology373,498295153
229Quantum Gravity1023,461490437
230Energy Storage463,45117063
231Microwaves1073,40111663
232Informatics463,3616235
233Geomagnetism1133,2484339
234Geography873,246289229
235Industrial Engineering923,242154109
236Allergy233,222484327
237Bones263,22011829
238Operations Research823,179177140
239Environmental pollutants903,136132132
240Metabolic diseases453,088749671
241probabilities1393,0758242
242Electromagnetic compatibility983,06033
243Neurochemistry593,008529423
244Biogeography612,99996131
245Marine Biology452,958666329
246Computer Science722,94515229
247Atmospheric Chemistry652,935195238
248Cognitive Science302,922337180
249Ferroelectricity1482,8992420
250pollutants792,896119124
251Radiation582,87117664
252Psychology782,8591.0K914
253fuel cells562,849181205
254energy resources232,8307425
255Genomics802,798496495
256Fisheries512,77318575
257biopolymers1092,7186093
258Meteorites972,7043545
259Mycology562,697202132
260Medical genetics362,6481.2K976
261Health promotion122,631867172
262computer networks642,614242142
263Soft Condensed Matter1032,5956889
264Fiber Optics432,58414453
265Energy Harvesting172,58114159
266Environmental Management682,540222293
267Agricultural Chemistry492,530543342
268Nanoparticles782,525175222
269Sustainable Development592,520110120
270Cognitive neuroscience282,500276227
271Pharmacognosy412,491286165
272Breeding542,481195143
273energy development192,472128100
274Rock Mechanics632,4605437
275Pediatric Neurology182,456515331
276Computer-Aided Design602,4525040
277Earthquake Engineering772,4448574
278Fluid Dynamics692,4418739
279Molecular evolution552,416187242
280Radio waves302,412243101
281gene mapping542,355331393
282Pharmacy552,309347256
283Political Science482,282497203
284ecosystem442,274199218
285Sedimentology462,2735052
286Structural dynamics662,2645254
287glycoproteins312,2246332
287Glycoconjugates312,2246332
287glycolipids312,2246332
290mycoses282,217151156
291Zoology502,196598286
292Hydraulic Engineering822,1874122
293Diagnostic Imaging602,160336268
294Bacterial infections242,144178177
295Carbohydrates322,1424025
296Cytogenetics332,141460465
297Medical innovations272,139204261
298Oligosaccharide292,0923120
298biological monitoring352,092348
300enzymes552,076103111
301free radicals292,067254219
302Genetic therapy412,055245209
303peace262,0388744
304Electrophysiology552,02413375
305Ultrasonics502,0229165
306viruses292,018564483
307Crystallography932,007161139
308International Relations402,002337108
309Integrated Circuits631,991321
310Cybernetics471,990225222
311Catalysts551,9793424
312bioclimatology221,97416337
313Structural Engineering711,95811168
314Sociology521,940568413
315Econometrics271,932373181
316Developmental Genetics201,900210234
317Environmental Toxicology401,897463447
318Chemical processes461,8934217
319Food521,875562465
320drug development191,869329280
321Chromosome mapping451,866332349
322visualization591,86120768
323infection301,842451297
324Biosensors381,833163204
325Mobile Computing291,79921269
326rehabilitation231,780835397
327Seismology531,7617364
328Drug design271,742381175
329Europe801,737542456
330Bioinorganic chemistry531,736150122
331Wireless Communication Systems421,735534328
332Manufacturing Processes731,725221183
333Animal ecology371,709286230
334Diabetes201,6981.1K765
335Oncogenes181,684614511
336Metallurgy571,676381257
337Medical Technology321,672299125
338Public Policy121,668786188
339Astrocytes341,6675494
340Planetary Science651,6554850
341mathematical analysis1061,62611458
342Fungi331,613133117
343Ore deposits221,6118627
344Soil biology281,6068375
345Ultrasound461,6016450
346gene therapy201,591422256
347Plant breeding361,56316591
348Pathology281,555969741
349Economic Development351,554227185
350Diabetes mellitus191,5381.0K783
351Soil Mechanics481,537115107
351Sound361,537172106
353Infections151,529529274
354Landscape Ecology191,5259850
354solar cells121,52512923
356Physical organic chemistry311,510315140
357Membranes361,507242240
358Epidemiology301,5031.5K1.1K
359Roads661,5009568
360concrete241,49113057
361Ergonomics541,48614686
362Homeostasis211,478135351
362Cell metabolism211,478185358
364Detectors431,47718567
365Solar power plants111,4746016
365Photovoltaic Cells121,4745516
367Production Management151,469291185
368Database Management421,46596109
369System analysis571,457275221
370Genetic regulation251,448333399
371Biomass Energy161,405925536
372transport vesicles61,399147304
373Photochemistry291,396287169
374Obesity171,3871.0K623
375Bioelectronics261,383194224
376Composite Materials511,381292328
377Gene expression regulation201,380303294
377mammals291,380232105
379city planning531,374182162
380Earthquakes441,3664922
381Environmental Law241,363222259
382Stochastic Processes471,3595335
383Organelle biogenesis231,3552012
384Quantum theory391,34511262
385Hydrogeology401,3325335
386Decision making221,328419228
387Ecosystem management211,321132101
388Animal genetics751,3175581
389Photogrammetry171,313272
389Organometallic chemistry421,313218107
391Superconductors581,30914990
392calcification111,29228993
393Education251,2881.5K579
394Geometry851,2715037
395Tribology221,27025890
396Conservation Biology371,263176260
397sustainability251,26190122
398Probability561,25877105
399Human-Computer Interaction351,254198138
399Cardiovascular system181,2549961.1K
401Autonomous robots121,2493917
402Information Systems271,233210128
403Plant tissue culture421,2287481
404optical instruments161,21915075
405Systems Engineering391,207390258
406Signal Transduction311,197307413
407international cooperation171,19615773
408atmospheric models121,193369208
409Plant cell culture351,1897280
410Social Psychology341,180564551
411warfare141,1749549
412Neural circuitry151,173534224
413Educational Psychology181,171514278
414Mental Disorders361,1691.2K1.3K
414War and Society131,1697045
416Periglacial processes201,1611920
416Permafrost201,1611920
416Frozen ground201,1612020
419Solid State Chemistry391,158306163
420Cement131,1427827
421Groundwater301,14114979
422Pharmacogenetics351,134190231
423Mechatronics301,11610365
424economic policy481,111388289
425Combustion481,105116116
426Paleoceanography161,1027062
427Geomorphology381,10197137
428Plant genetic engineering291,100224254
429Recombinant DNA301,088248221
430Hazardous waste141,087213122
431Systems Biology571,084175233
432Crystal growth171,082398154
433Industrial Ecology311,0771025
434Medical Oncology301,074753680
435viral genetics111,065196262
436freshwater biology201,060254171
437peptides281,05812948
438Sun321,048136136
439Regional Planning321,044370268
440Production Engineering621,041216254
441Risk Management201,03514991
442Microbial Genetics131,02610862
443Cryptography161,02416827
444Electrochemical Analysis201,02222694
445Fertilizers281,0196958
446Molecular cloning271,001235206
446Genetic recombination271,001219200
448radioactive waste12995177123
448industrial waste12995198125
450Reproduction26993910752
451Pharmaceutical Technology27992408351
452internet19991399198
453phytopathogenic bacteria129909561
454Social Sciences55983671584
455drugs23976594365
456Nutrition physiology25975144158
457Solar Energy279749577
458Health Policy22968926623
459Magnetic Materials40966319345
460Cell death15956660567
461natural disasters37952130198
462Multimedia Systems25942400122
463Information Technology38941424476
463Mechanics50941128155
465Medicinal plants9918710249
466Systems Analysis2091527992
467Mental illness23910902965
468Critical Care79091.5K951
468Critical Care Medicine79091.4K950
468Biogeochemistry35909233400
471Porous materials539083447
472Cerebral cortex24905287356
473Soil ecology209039997
474Computational Mathematics1988857
475wood478865462
476mutagens23884255330
477Soil fertility168819585
478Insects19875545276
479Physical Geography1487216352
480Ocean Engineering17871287131
481Aerosols238648381
482RNA17856185177
483Bioenergetics21850126163
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485Databases298488591
486Transplantation98471.2K674
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488locomotion1383315486
488posture1383315486
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488walking1383315486
492Energy metabolism19832121147
493Thin Films318315745
494Psychometrics2826520133
495Fracture mechanics25824221168
496particles328216341
497Photography1798206157
498Parasitology31819753669
499Radio frequency2381211972
499Solar System35812173210
501Intelligent Transportation Systems34808159180
502Mechanical Engineering49804451331
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504Oxidation-reduction10798408384
505Ultrasonic Imaging277963425
506Financial management14795172124
507International security137877072
508Electrophoresis20786615420
508Cognition28786527547
510Plastics40781275249
511Paleontology21779578384
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513Electronic Packaging877313222
515Chromosomes30770136242
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517Chemical Ecology19761163155
518Environmental risk assessment257593340
519Economic History43758822563
519Drug delivery systems14758544493
521finance31755555612
522Microbial Metabolism177531513
523Japan24746694299
524Analytical Biochemistry20741412318
524Stem cells31741533761
524Learning22741371374
527Parasitic Diseases27736663748
527Chemical industry19673649176
529Sleep Disorders23734633578
529Sleep23734628580
531Calculus of Variations397313835
532Transgenic plants17730133116
533Molecular Pharmacology15729344334
534Serology1272816877
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536Sports Medicine41719814878
537conflict management127188449
538Geotechnical Engineering227059491
539radiocarbon dating387043984
540Cell surface receptors2369956
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543global environmental change30695111256
544Chemical analysis22689368290
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546catalytic activity18679214216
547Sustainable agriculture2667598121
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550social science466913646
551Geobiology306637397
552Social Networks8656555
553carcinogens19654356443
554vibration21653292174
555Synapses5652264100
556mental processes1065112535
557Chromatography25650456373
557Chromatographic analysis25650587446
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560Geodynamics206424233
561pheromones16641172171
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566Urology106301.3K881
567Therapeutics30627624998
568phase diagrams126256525
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570Ophthalmology126221.1K696
571Judgment261716121
572Radiochemistry43611183177
573microwave communication systems2060910077
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577clay16595107103
577clay minerals165957273
580mass transfer31594133205
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589Radioisotopes32575175120
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590Carcinogenesis16573388479
592baking757213054
593Online social networks356926619
593Structure-activity relationship3569489111
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625amino acids9503267149
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670Molecular Spectroscopy14380542447
672Educational Technology73781.0K472
673Computer Engineering1437713167
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675Clinical Pharmacology13373598507
676Artificial Organs22371218232
677Business13365883876
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679Liposomes11363192220
680Oxidative stress7362824720
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699Radiobiology113471.2K959
699heating113475027
703Distributed Databases93465037
703Minerals11346253206
705Nanochemistry11345531257
706Building Materials11344405509
707software7343473332
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709plasmids93413030
712Thermodynamics343405998
712Risk assessment1234016189
714Forest Ecology15338177230
714Quantum Communication103386982
716Criminology13337446401
716Small Business6337453539
718Nuclear Medicine12332581574
719environmental remediation93319162
720Public Choice5330259135
720Group decision making5330361171
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