62.2K(top 0.1%)
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3.4M(top 0.1%)
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628(top 0.1%)
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1.1K(top 0.1%)
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81.7K
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4.0M
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39.0K
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Top Disciplines (by citations)

#DisciplineArticlesCitationsR ARankR CRank
1Physics4,092500,0736438
2Science2,136364,25514863
3Biology1,928289,16116677
4Chemistry2,383204,02115067
5Natural history611196,0589857
6Condensed Matter2,348153,330239
7Solid State Physics2,385150,031228
8Ecology1,494146,9935227
9Astrophysics1,010118,21710939
10Nuclear Physics1,663113,15610028
11Materials968101,16013045
12Astronomy90287,99116368
13Quantum Gravity1,04171,9453117
14Materials Science1,12371,3056734
15Nanotechnology62760,81617580
16Spectrum analysis64751,6807248
17Statistical physics78149,2935320
18Molecular Biology55345,578492319
19Psychology56334,359177112
20Polymers74433,46710953
21Biochemistry62230,062574422
22Geophysics69428,789137141
23Geology47328,4997431
24Electronics52628,1248017
25Evolution18227,05510520
26Biotechnology28926,898388198
27Environment33826,754180154
28biological evolution19226,3299639
29Microbiology26625,607684401
30Pollution32725,511247154
31Optics55025,08114652
32Research56824,169477387
33polymerization50523,28812549
34Medicine54423,117727792
35Ceramics32922,9512810
36Glass32722,853149
36pottery32722,853139
38Planets40522,2938468
39Bioengineering22221,643229149
40miniaturization20321,6067856
41Photonics28320,2694921
42Optical materials22320,03812062
43nanoscience14119,780296102
44United States86319,769132161
45Social Psychology31519,4245148
46Oceanography31419,1974213
47Economics32719,16216682
48Marine Biology33618,5355326
49Biophysics36018,341380152
50Cytology20618,269485425
51Nonlinear Dynamics37318,1503824
52Microelectronics17517,9708553
53Colloids38817,7488061
54Biocompatible Materials22717,623300169
55Communication42516,9861413
56Fluid Mechanics23616,7278637
57Technology31616,51311154
58Hydrology31216,4605133
59Automation22316,3365220
60Environmental Health23716,137338229
61Physical Chemistry25115,8407457
62Cell Biology15715,033570492
63Psychophysiology34814,715121135
64Neurology27514,637663640
65Biodiversity conservation18014,4995475
66Botany36314,248204262
67Telecommunication18414,22514755
68Earth Sciences15414,06018650
69Catalysis28613,710176149
70Water21113,7016753
71Surface Chemistry26613,69410765
72Nanostructured Materials23313,332202114
73Sociology26112,80910162
74environmental protection14112,76913540
75Environmental Policy14712,76310137
76Signal Processing23512,70112080
77Environmental Engineering13912,640295159
78personality15712,5343937
79Chemical Engineering25912,198240194
80Education37912,10711673
81Meteorology18011,980200146
82Biogeochemical cycles11811,51389
83water supply17211,3823223
84sanitation11711,130153119
85Microbial Ecology12410,842209162
86Medical Laboratory Science6910,77222741
87Light5110,75712128
88Radio6510,72623643
89Climate change11710,5904778
90Eutrophication11510,5284779
91Mathematical Physics20610,15514986
92Geography13110,05818655
93Pharmacology949,6541.1K385
94Quantum electronics3049,6332212
95Virology729,331701524
96Educational Psychology1809,3082815
97Behavior1609,241217152
98Organic Chemistry1519,208281119
99ecosystem1138,8523423
100Cognition1668,7908169
101Ecosystem management438,740525
102Climatology1438,651159136
103Pharmaceutical Chemistry828,438720247
104Political Science3168,4198175
105Social behavior1108,3274120
106Genetics1418,268472543
107lasers2548,1483318
108Mathematics6418,139187148
109Computational Biology1538,073193223
110Nanostructures388,04534994
111Molecular structure417,80132480
112Nanoparticles697,72721065
113fuel cells947,6319873
114Biogeochemistry1087,5184544
115Green Chemistry897,27716576
116Speech Disorders1767,2173229
117Information Theory927,2108846
118Perception1337,1623615
119Multivariate Analysis217,058334
120Cognitive Science677,03913071
121Cognitive neuroscience686,92211482
122Analytical Chemistry1416,911558356
123Biodiversity1036,770203105
124Ophthalmology726,75926186
125Developmental Disabilities896,6477444
126Classification76,4941825
127Electrical Engineering6266,4376888
128Developmental Biology1296,283222288
129Energy Conversion776,145119147
130Neurophysiology1336,100365446
131Cancer286,0711.7K577
132human behavior1156,046142158
133Biomedical Engineering1115,956625350
134Environmental Chemistry685,938227174
135Wireless Communication Systems755,92331293
136Image Processing1065,864143113
137Control Theory1225,7369947
138Algae1155,7293114
139Plant cells185,710575261
140Child885,653327111
141Conservation Biology805,6525548
142Speech1385,6382929
143Human Geography335,59721627
144Bioorganic chemistry715,560391163
145Anthropology2235,5467041
146Economic History1105,52733350
147Seaweed1105,462106
148Sociolinguistics1005,38385
149Linguistics1485,3327343
150Artificial Intelligence1505,306279245
151Biogeography525,29112358
152Child Development895,268237183
153Plant physiology255,206742209
154behavior modification515,1494814
155Plant Ecology825,128146109
156Data Mining425,05215558
157Animal Behavior1125,038165154
158computer networks814,99120156
159Environmental Management824,855162104
160Robotics614,69718252
161data collection334,6959341
162Oncology64,6672.1K441
163Social Sciences2094,634162148
164School Psychology1564,57025
165Cell differentiation544,519409384
166plant molecular biology84,5061.1K291
167Mineralogy814,41117899
168Soft Condensed Matter1444,2843536
169Magnetic Materials764,24615463
170Hearing1034,2394139
171Econometrics544,10617482
172counseling1104,0958447
173Fisheries974,0597943
174Neurons324,047193268
175Sustainable Engineering494,02625093
176Metallurgy734,007296108
177management563,970526360
178biopolymers1203,9564945
179Statistics1523,930206235
180Stem cells383,889428145
181Paleoceanography623,8391414
182Database Management673,8344933
183Zoology1113,664239158
184Vocational guidance1333,6473038
185Metals583,64430287
186Molecular Genetics623,629278243
187Sound633,5517137
188Sustainable Development683,5417975
189Genetic engineering403,509406197
190Biochemical Engineering243,453818537
191Psychiatry1283,439711994
192Pharmacy333,433584171
193Electrochemistry1813,417251279
194Molecules313,41541893
195Medical Microbiology163,3811.3K409
195Teaching793,38110748
197Geographic information systems1033,375124
198Discourse Analysis273,366166
199Toxicology963,285752725
200Acoustics453,2652112
201language813,2575047
202California1273,2481216
203Adolescent803,245255148
204Speech acoustics353,240812
205Immunology423,1871.4K1.1K
206Clinical Psychology823,184202278
206Fluid Dynamics383,18416526
208Quantum Chemistry323,1381519
209sustainability473,1082027
210Vision463,0716939
211Geochemistry1213,055114132
212Paleontology883,018168100
213Embryology593,010352379
214Bacteriology533,009304273
215Bioinformatics673,008354426
216biological invasions372,9904717
217Physiology922,984807868
218Rheology642,9764026
219Language Disorders712,9729659
220Molecular ecology442,947220202
221Economic Development442,94616478
222Computer Graphics1022,92199120
223Growth442,902293321
224Petrology472,855154103
225Geomorphology562,8524135
226Anatomy562,848408373
227Population Genetics412,840263196
228Databases482,8363826
229Regional Planning682,81614387
230Experimental Psychology432,7566347
231Electromagnetism392,75314924
232Cheminformatics32,75244021
233Drug delivery systems192,741407129
234Human-Computer Interaction492,69911748
235Animal ecology792,681125151
236nucleic acids562,638408616
237Brain712,628475497
237environmental pollution782,628636700
239Archaeology972,5949971
239Agriculture602,594306200
241Nervous system622,583475571
242proteins512,559443311
243Energy Policy162,555548107
244Fiber Optics652,5298756
245Genetic regulation192,519441268
246energy resources142,51418034
247Virtual reality322,502189
248Water pollution492,497433366
249genome312,496494474
250Diagnostic microbiology32,4781.8K312
251Ethology632,439178227
252Engineering572,435723304
253protein472,431209186
254Nonlinear systems462,4194812
255Neuropsychology682,416366364
256Child psychology652,392251315
257city planning452,38521192
258cell physiology402,367387353
259plant communities412,343218207
260organization222,327194157
261Psycholinguistics632,321107108
262Learning302,306282142
263Birds782,22814698
264Mathematical Economics102,2118458
265Community Psychology372,2047677
266Environmental Microbiology432,144204260
267Seismology482,1438453
268Geomagnetism902,1425864
269Combinatorial chemistry392,133128110
270cloning92,095451119
271Medical Physics482,081458321
272International Relations1452,03688106
273Microscopy1571,9819188
274Public Health681,9481.3K1.4K
275Renewable Energy Sources221,940467372
276Learning disabilities591,9238763
277Mass Spectrometry241,922451177
278Human biology391,8856921
279Soil Science251,882446216
280Medical Technology331,861286101
280cryosphere101,86121463
282Endocrinology311,8341.3K1.1K
283Genomics531,822739732
284Raman spectroscopy111,80528222
285Aquatic ecology501,7938144
286Intellectual disability301,78419490
287Political Sociology331,7733827
288Energy Storage461,771170156
288Business581,771200298
290Psychopharmacology281,762620474
291Quantum theory601,7395040
292health services511,708152126
293sexual behavior241,69610744
294Vocational Education321,6946816
295Industrial Engineering401,659402266
296Atmospheric Physics341,643467419
297Special Education601,6198977
298Microwaves781,615183179
299optical instruments221,60710657
300Neurochemistry551,576556697
301Biomolecules61,56933055
302Decision making331,523261192
303Memory241,521165111
304Emotions211,513156107
305Cerebral cortex191,512358246
306Structure-activity relationship41,50938541
307psychotherapy271,501409263
308Counseling Psychology371,4971722
309Diabetes301,493839838
310Philosophy1951,490105121
311Systems Engineering191,482770201
312Agricultural Ecology291,478269265
313Energy Harvesting331,47066122
314System analysis1191,46585219
315Neurobiology281,453630609
315Political Psychology261,4534934
317Natural resources311,4498249
318Environmental monitoring411,437809888
319Microeconomics271,4284638
320Diabetes mellitus291,419786823
321Molecular Microbiology271,418284349
322Retina71,4175554
322eye71,4178357
324Marine Ecology391,4157135
325Pharmaceutical Technology211,405521248
326Developmental Psychology371,404207237
327Medical innovations131,403460406
328Dynamics651,382116109
329Transportation571,368209215
330Crystal growth441,363109116
331Photochemistry291,356287176
332Sociobiology231,3452414
333Health351,327636470
334Communication in medicine341,3248255
335energy development151,320187204
336viruses201,290718647
337Entomology441,286622422
338nuclear magnetic resonance471,281161166
339Australia441,278337216
340Immunity111,2741.4K1.2K
341Product life cycle311,2652441
341green products311,2652341
343human development361,263123146
344Optical Communications331,26213050
345Multimedia Systems521,26015984
346Plants191,257992720
347Information Science171,255581206
348Therapeutics141,2381.1K615
349visualization461,236289119
350Magnetic Resonance Spectroscopy491,231159168
351Demography211,209195114
352Comparative Physiology361,202104122
353Systems Biology351,200312201
354Numerical Analysis581,197308303
355intergroup relations241,1871211
356Mobile Computing431,180134116
357Clinical Chemistry351,159879922
358Mental Disorders311,1521.3K1.3K
359pollutants261,143458421
359Environmental pollutants261,143608485
361drug development91,142691442
362Mechanics501,133128125
363freshwater biology331,131138158
364Adolescent Psychology331,130151165
365glycoproteins51,10942980
365Glycoconjugates51,10942980
365Oligosaccharide51,10925858
365Carbohydrates51,10938467
365glycolipids51,10942980
370Organometallic compounds381,098260261
370Genetic therapy111,098824369
372Social Media321,093919
373Cultural diversity251,0751416
374Nuclear Engineering541,072286182
375Urban Areas81,066807
376Development Economics181,0479170
377Engineering Mathematics251,022832302
378Consciousness101,02016123
379Developing countries471,018245285
380adolescence301,012205221
381Welfare Economics171,00111172
382Mental Health311,000407273
383probabilities91997152209
384Educational Technology26991309165
385Cybernetics39978287388
386Parasitology43976579578
387Developmental Genetics24970179350
388Human genetics59642.4K2.3K
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391Histology37958491653
392Fracture mechanics14946407134
393Quantum Communication594414817
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401Molecular evolution28926385495
401Parasitic Diseases37926498606
403medical education89161.4K444
404Calculus of Variations1891513022
405Performance1391210954
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410Host-parasite interactions8894907734
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