| JKTR | Journal of Knot Theory and its Ramifications | In English | → Serial publications, periodicals → Physics |
| JLasA | Journal of Laser Applications | In English | → Serial publications, periodicals → Optics → Electromagnetism |
| JLCM | Journal of Less Common Metals | In English | → Serial publications, periodicals → Chemistry → Metallurgy |
| JLMS | Journal of the London Mathematical Society | In English | → Serial publications, periodicals → Mathematics |
| JLTP | Journal of Low Temperature Physics | In English | → Serial publications, periodicals → 531 |
| JLum | Journal of Luminescence | In English | → Serial publications, periodicals → Electromagnetism |
| JLVEn | Journal of Light & Visual Environment | In English | → Serial publications, periodicals → Optics → Electromagnetism |
| JLwT | Journal of Lightwave Technology | In English | → Serial publications, periodicals → Optics → Electromagnetism |
| JMA | Journal of Multivariate Analysis | In English | → Serial publications, periodicals → Mathematics |
| JMAA | Journal of Mathematical Analysis and Applications | In English | → Serial publications, periodicals → Analysis |
| JMaCh | Journal of Mathematical Chemistry | In English | → Serial publications, periodicals → Mathematics → Chemistry |
| JMagR | Journal of Magnetic Resonance | In English | → Serial publications, periodicals → Magnetism → Nuclear, atomic, and molecular physics |
| JMaPh | Journal of Mathematics and Physics | In English | → Serial publications, periodicals → Mathematics → Physics |
| JMaSc | Journal of Mathematical Sciences | In English | → Serial publications, periodicals → Mathematics |
| JMBio | Journal of Molecular Biology | In English | → Serial publications, periodicals → Biochemistry, biophysics |
| JMCh | Journal of Materials Chemistry | In English | → Serial publications, periodicals → Chemistry → Vehicle engineering |
| JME | JME Molecular Editor | In English | → Software → Chemistry |
| JME | (Le) Journal de Maths des Élèves | In French | → Serial publications, periodicals → Mathematics → Higher education, universities |
| JMec | Journal de Mécanique | In French | → Serial publications, periodicals → 531 |
| JMecA | Journal de Mécanique Appliquée | In French | → Serial publications, periodicals → 531 → Mechanical engineering |
| JMecT | Journal de Mécanique Théorique et Appliquéee | In French | → Serial publications, periodicals → 531 → Mechanical engineering |
| JMet | Journal of Metals | In English | → Serial publications, periodicals → Chemistry → Metallurgy |
| JMFM | Journal of Mathematical Fluid Mechanics | In English | → Serial publications, periodicals → Mathematics → 532 |
| JMic | Journal of Microscopy | In English | → Serial publications, periodicals → Optics |
| JMIV | Journal of Mathematical Imaging and Vision | In English | → Serial publications, periodicals → Mathematics → Computer-based techniques |
| JMMM | Journal of Magnetism and Magnetic Materials | In English | → Serial publications, periodicals → Magnetism |
| JMmSP | Journal of Macromolecular Science Physics | In English | → Serial publications, periodicals → 5392 |
| JMmSR | Journal of Macromolecular Science Reviews in Macromolecular Chemistry and Physics | In English | → Serial publications, periodicals → 5392 → Chemistry |
| JMNB | Journal de Médecine Nucléaire et Biophysique | In French | → Serial publications, periodicals → Biochemistry, biophysics → Medicine |
| JMOA | Journal of Microwaves Optics and Acoustics | In English | → Serial publications, periodicals → Acoustics → Optics |
| JMolE | Journal of Molecular Evolution | In English | → Serial publications, periodicals → 5392 |
| JMOp | Journal of Modern Optics | In English | → Serial publications, periodicals → Optics |
| JMoSp | Journal of Molecular Spectroscopy | In English | → Serial publications, periodicals → 53333 |
| JMoSt | Journal of Molecular Structure | In English | → Serial publications, periodicals → 5392 |
| JMP | Journal of Mathematical Physics | In English | → Serial publications, periodicals → Mathematics → Physics |
| JMPS | Journal of Mathematical and Physical Sciences | In English | → Serial publications, periodicals → Mathematics → Physics |
| JMPS | Journal of Mineralogical and Petrological Sciences | In English | → Serial publications, periodicals → Mineralogy → Petrology |
| JMPsy | Journal of Mathematical Psychology | In English | → Serial publications, periodicals → Mathematics → Psychology |
| JMS | Journal of Marine Systems | In English | → Serial publications, periodicals → Environment, environmental sciences → Marine research, oceanography |
| JMSo | Journal of Mathematical Sociology | In English | → Serial publications, periodicals → Mathematics → Sociology |
| JMTAS | Journal de Mécanique Théorique et Appliquée - Supplément | In French | → Serial publications, periodicals → 531 → Mechanical engineering |
| JNCS | Journal of Non Crystalline Solids | In English | → Serial publications, periodicals → Chemistry |
| JNET | Journal of Non Equilibrium Thermodynamics | In English | → Serial publications, periodicals → Thermodynamics |
| JNeur | Journal of Neurochemistry | In English | → Serial publications, periodicals → Biochemistry, biophysics → Neurology |
| JNLM | Journal of Non Linear Mechanics | In English | → Serial publications, periodicals → Physics |
| JNMP | Journal of Nonlinear Mathematical Physics | In English | → Serial publications, periodicals → Mathematics → Physics |
| JNOPM | Journal of Nonlinear Optical Physics and Materials | In English | → Serial publications, periodicals → Optics → 620 |
| JNS | Journal of Nonlinear Science | In English | → Serial publications, periodicals → Mathematics |
| JNT | Journal of Number Theory | In English | → Serial publications, periodicals → Number theory |
| JNuE | Journal of Nuclear Energy | In English | → Serial publications, periodicals → Nuclei → Nuclear technology |
| JNuM | Journal of Nuclear Materials | In English | → Serial publications, periodicals → Nuclei → 620 → Mechanical engineering |
| JO | Journal des Observateurs | In French | → Serial publications, periodicals → Astronomy |
| JOC | Journal of Optical Communications | In English | → Serial publications, periodicals → Optics → Telecommunications |
| JOGMEC | Japan Oil, Gas and Metals National Corporation | In English | → Earth sciences → Chemical technology |
| JOINTS | Joanneum Research - Institut für Nachhaltige Techniken und Systeme | In German | → Nature → Engineering, technology |
| JOP | JUpiter Orbiter Probe | In English | → Astronomy → Spaceflight engineering, astronautics |
| JOp | Journal d'Optique | In French | → Serial publications, periodicals → Optics |
| JOpt | Journal of Optics | In English | → Serial publications, periodicals → Optics |
| JOptT | Journal of Optical Technology | In English | → Serial publications, periodicals → Optics |
| JORS | Journal of the Operational Research Society | In English | → Serial publications, periodicals → Mathematics |
| JOSA | Journal of the Optical Society of America | In English | → Serial publications, periodicals → Optics |
| JOTA | Journal of Optimization Theory Applications | In English | → Serial publications, periodicals → 5198 |
| JOVIAL | Joule's Own Version International Algebraic Language | In English | → Mathematics |
| JPal | Journal of Paleontology | In English | → Serial publications, periodicals → Palaeontology |
| JPC | Journal of Physics - Conference Series | In English | → Serial publications, periodicals → Physics |
| JPCC | Journal of Physical and Colloid Chemistry | In English | → Serial publications, periodicals → Chemistry → Physical chemistry |
| JPCM | Journal of Physics - Condensed Matter | In English | → Serial publications, periodicals → Physics of condensed matter |
| JPCRD | Journal of Physical and Chemical Reference Data | In English | → Serial publications, periodicals → Physics → Chemistry |
| JPCS | Journal of Physics and Chemistry of Solids | In English | → Serial publications, periodicals → Physics → Chemistry |
| JPE | Journal of Physics of the Earth | In English | → Serial publications, periodicals → Earth sciences |
| JPet | Journal of Petrology (http://petrology.oxfordjournals.org) | In English | → Serial publications, periodicals → Petrology |
| JPhCh | Journal of Physical Chemistry | In English | → Serial publications, periodicals → Physical chemistry |
| JPhCS | Journal of Physics - Conference Series | In English | → Serial publications, periodicals → Physics |
| JPhys | Journal de Physique | In French | → Serial publications, periodicals → Physics |
| JPlPh | Journal of Plasma Physics | In English | → Serial publications, periodicals → Plasma physics |
| JPO | Journal of Physical Oceanography | In English | → Serial publications, periodicals → Marine research, oceanography |
| JPrCh | Journal of Protein Chemistry | In English | → Serial publications, periodicals → Biochemistry, biophysics |
| JPRS | Journal of Photogrammetry and Remote Sensing | In English | → Serial publications, periodicals → Geodesy, cartography |
| JPS | Journal of Problem Solving | In English | → Serial publications, periodicals → Mathematics |
| JPSJ | Journal of the Physical Society of Japan | In English | → Serial publications, periodicals → Physics |
| JPSJS | Journal of the Physical Society of Japan Supplement | In English | → Serial publications, periodicals → Physics |
| JPTEO | Journal of Physics - Teacher Education Online | In English | → Serial publications, periodicals → Education → Physics |
| JQS | Journal of Quaternary Science | In English | → Serial publications, periodicals → Earth sciences |
| JQSRT | Journal of Quantitative Spectroscopy and Radiative Transfer | In English | → Serial publications, periodicals → Nuclear, atomic, and molecular physics → Analytical chemistry |
| JR | Joanneum Research | In English | → Applied sciences, technology |
| JRAC | Journal of Radioanalytical Chemistry | In English | → Serial publications, periodicals → 54458 |
| JRAI | Journal of the Royal Anthropological Institute of Great Britain and Ireland | In English | → Serial publications, periodicals → Anthropology |
| JRAM | Journal fur die reine und angewandte Mathematik | In English | → Serial publications, periodicals → Mathematics |
| JRASC | Journal of the Royal Astronomical Society of Canada | In English | → Serial publications, periodicals → Astronomy |
| JRASN | Journal of the Royal Astronomical Society of New Zealand | In English | → Serial publications, periodicals → Astronomy |
| JRC | Joint Research Center | In English | → Applied sciences, technology |
| JRE | Jahrbuch der Radioaktivität und Elektronik | In German | → Serial publications, periodicals → Nuclear, atomic, and molecular physics → Electronics |
| JReAt | Journal de Recherches Atmosphériques | In French | → Serial publications, periodicals → Meteorology, climatology |
| JRheo | Journal of Rheology | In English | → Serial publications, periodicals → Earth sciences |
| JRLR | Journal of Russian Laser Research | In English | → Serial publications, periodicals → Optics → Electromagnetism |
| JRNC | Journal of Radioanalytical and Nuclear Chemistry | In English | → Serial publications, periodicals → 54458 |
| JRP | Journal of Radiological Protection | In English | → Serial publications, periodicals → 54458 → Nuclear technology |
| JRScT | Journal of Research in Science Teaching | In English | → Serial publications, periodicals → Education |
| JRSp | Journal of Raman Spectroscopy | In English | → Serial publications, periodicals → Analytical chemistry |
| JSAES | Journal of South American Earth Sciences | In English | → Serial publications, periodicals → Earth sciences |
| JSAPJ | Japan Society of Air Pollution Journal | In English | → Serial publications, periodicals → Nature → Environment, environmental sciences → Meteorology, climatology |
| JSAR | Journal of Space Astronomy Research | In English | → Serial publications, periodicals → Astronomy → Spaceflight engineering, astronautics |
| JSCh | Journal of Solution Chemistry | In English | → Serial publications, periodicals → Chemistry |
| JScI | Journal of Scientific Instruments | In English | → Serial publications, periodicals → Physics |
| JSCS | Journal of Statistical Computation and Simulation | In English | → Computer science → Serial publications, periodicals → Mathematics |
| JSEdT | Journal of Science Education and Technology | In English | → Serial publications, periodicals → Education |
| JSeis | Journal of Seismology | In English | → Serial publications, periodicals → Seismology, earthquakes |
| JSG | Journal of Structural Geology | In English | → Serial publications, periodicals → Earth sciences |
| JSGeo | Journal of Series Geophysics | In English | → Serial publications, periodicals → Geophysics |
| JSGST | Journal of Sol-Gel Science and Technology | In English | → Serial publications, periodicals → Earth sciences |
| JSIPI | Journal of Scientific Instruments and of Physics in Industry | In English | → Serial publications, periodicals → Physics → Engineering, technology |
| JSLR | Journal of Soviet Laser Research | In English | → Serial publications, periodicals → Optics → Electromagnetism |
| JSM | Journal of Structural Mechanics | In English | → Serial publications, periodicals → Mechanical engineering → Crystallography |
| JSMA | Japan Society of Microgravity Application | In English | → Organizations and associations → Physics |
| JSMAJ | Japan Society of Microgravity Application Journal | In English | → Serial publications, periodicals → Physics |
| JSMB | Japanese Society for Mathematical Biology | In English | → Organizations and associations → Mathematics → Biological sciences |
| JSMTE | Journal of Statistical Mechanics: Theory and Experiment | In English | → Serial publications, periodicals → 531 |
| JSP | Journal of Statistical Physics | In English | → Serial publications, periodicals → Physics |
| JSPS | Japan Society for the Promotion of Science | In English | → 05 |
| JSR | Journal of Sedimentary Research | In English | → Serial publications, periodicals → Earth sciences |
| JSR | Journal of Sea Research | In English | → Serial publications, periodicals → Hydrology |
| JSRP | Journal of the Society for Radiological Protection | In English | → Serial publications, periodicals → Nuclear, atomic, and molecular physics |
| JSRV | Jaagsiekte Sheep Retrovirus | In English | → Virology |
| JSSCh | Journal of Solid State Chemistry | In English | → Serial publications, periodicals → Chemistry |
| JSTEd | Journal of Science Teacher Education | In English | → Serial publications, periodicals → Education |
| JSup | Journal of Superconductivity | In English | → Serial publications, periodicals → Physics |
| JSV | Journal of Sound Vibration | In English | → Serial publications, periodicals → Acoustics |
| JSymC | Journal of Symbolic Computation | In English | → Serial publications, periodicals → Computer science → Mathematics |
| JTAC | Journal of Thermal Analysis and Calorimetry | In English | → Serial publications, periodicals → Thermodynamics |
| JTBio | Journal of Theoretical Biology | In English | → Serial publications, periodicals → Biological sciences |
| JTHT | Journal of Thermophysics and Heat Transfer | In English | → Serial publications, periodicals → Thermodynamics |
| JTurb | Journal of Turbulence | In English | → Serial publications, periodicals → Physics |
| JVC | Journal of Vibration and Control | In English | → Serial publications, periodicals → Acoustics |
| JVE | Journal of Vibration Engineering | In English | → Serial publications, periodicals → Acoustics |
| JVGR | Journal of Volcanology and Geothermal Research | In English | → Serial publications, periodicals → 55121 |
| JVST | Journal of Vacuum Science Technology | In English | → Serial publications, periodicals → Physics |
| JWasA | Journal of the Washington Academy of Sciences | In English | → Serial publications, periodicals |
| JWMSE | Journal of Women and Minorities in Science and Engineering | In English | → Serial publications, periodicals → Sociology → Feminism → Engineering, technology |
| JWUDF | Jahns Wöchentliche Unterhaltungen für Dilettanten und Freunde der Astronomie, Geographie und Witterungskunde | In German | → Serial publications, periodicals → Astronomy → Meteorology, climatology → Geography |
| JXST | Journal of X-Ray Science and Technology | In English | → Serial publications, periodicals → Electromagnetism → Nuclear, atomic, and molecular physics |
| K | Kálium = K | Potassium | In English = K | Kalium | In Afrikaans = K | بوتاسيوم | In Arabic = K | Potasiu | In Asturian = K | পটাশিয়াম | In Bengali = K | Калій | In Belarusian = K | Kalijum | In Bosnian = K | Калий | In Bulgarian = K | Potassi | In Catalan = K | Draslík | In Czech = K | Potassiu | In Corsican = K | Potasiwm | In Welsh = K | Kalium | In Danish = K | Kalium | In German = K | ޕޮޓޭސިއަމް | In Dhivehi = K | Kaalium | In Estonian = K | Κάλιο | In Greek = K | Potasio | In Spanish = K | Kalio | In Esperanto = K | Potasio | In Basque = K | پتاسیم | In Persian = K | Potassium | In French = K | Potassi | In Friulian = K | Potaisiam | In Irish = K | Potashum | In Manx = K | Potasio | In Galician = K | 칼륨 | In Korean = K | Կալիում | In Armenian = K | पोटासियम | In Hindi = K | Kalij | In Croatian = K | Kalio | In Ido = K | Kalium | In Indonesian = K | Kalín | In Icelandic = K | Potassio | In Italian = K | אשלגן | In Hebrew = K | Kalium | JV = K | ಪೊಟ್ಯಾಶಿಯಮ್ | In Kannada = K | Kali | In Swahili = K | Potasyòm | In Haitian Creole = K | Qelye | In Kurdish = K | Kalium | In Latin = K | Kālijs | In Latvian = K | Kalium | In Letzeburgesh = K | Kalis | In Lithuanian = K | sodnrkali | In Lojban = K | Калиум | In Macedonian = K | പൊട്ടാസ്യം | In Malayalam = K | Konurehu | In Māori = K | Kalium | In Malay = K | Kalium | In Dutch = K | カリウム | In Japanese = K | Kalium | In Norwegian = K | Kalium | In Nynorsk = K | Kalium | NOV = K | Potassi | In Occitan = K | Kaliy | In Uzbek = K | Kalium | In Low German = K | Potas | In Polish = K | Potássio | In Portuguese = K | Potasiu | In Romanian = K | Kalyu | In Quechua = K | Калий | In Russian = K | Kaliumi | In Albanian = K | Putassiu | In Sicilian = K | Draslík | In Slovak = K | Kalij | In Slovenian = K | Калијум | In Serbian = K | Kalij | In Serbo-Croatian = K | Kalium | In Finnish = K | Kalium | In Swedish = K | โพแทสเซียม | In Thai = K | Kali | In Vietnamese = K | Калий | In Tajik = K | Potasyum | In Turkish = K | Калій | In Ukrainian = K | وٹاشیم | UR = K | Potassiom | In Walloon = K | Kalium | In Vlaams = K | 钾 | In Chinese |
In Hungarian | → Chemistry |
| K | אשלגן = (look above) |
In Hebrew | → Chemistry |
| K | Potassio = (look above) |
In Italian | → Chemistry |
| K | Kalium = (look above) |
[JV] | → Chemistry |
| K | Kalis = (look above) |
In Lithuanian | → Chemistry |
| K | Kalium = (look above) |
In Letzeburgesh | → Chemistry |
| K | Kālijs = (look above) |
In Latvian | → Chemistry |
| K | Kalium = (look above) |
In Latin | → Chemistry |
| K | Qelye = (look above) |
In Kurdish | → Chemistry |
| K | Kali = (look above) |
In Swahili | → Chemistry |
| K | ಪೊಟ್ಯಾಶಿಯಮ್ = (look above) |
In Kannada | → Chemistry |
| K | sodnrkali = (look above) |
In Lojban | → Chemistry |
| K | Potasyòm = (look above) |
In Haitian Creole | → Chemistry |
| K | Potassi = (look above) |
In Friulian | → Chemistry |
| K | Kalín = (look above) |
In Icelandic | → Chemistry |
| K | Kalium = (look above) |
In Danish | → Chemistry |
| K | Kalium = (look above) |
In German | → Chemistry |
| K | ޕޮޓޭސިއަމް = (look above) |
In Dhivehi | → Chemistry |
| K | Kaalium = (look above) |
In Estonian | → Chemistry |
| K | Κάλιο = (look above) |
In Greek | → Chemistry |
| K | Potasio = (look above) |
In Spanish | → Chemistry |
| K | Kalio = (look above) |
In Esperanto | → Chemistry |
| K | پتاسیم = (look above) |
In Persian | → Chemistry |
| K | Potassium = (look above) |
In French | → Chemistry |
| K | Potaisiam = (look above) |
In Irish | → Chemistry |
| K | Potasio = (look above) |
In Galician | → Chemistry |
| K | 칼륨 = (look above) |
In Korean | → Chemistry |
| K | Կալիում = (look above) |
In Armenian | → Chemistry |
| K | पोटासियम = (look above) |
In Hindi | → Chemistry |
| K | Kalij = (look above) |
In Croatian | → Chemistry |
| K | Kalio = (look above) |
In Ido | → Chemistry |
| K | Kalium = (look above) |
In Indonesian | → Chemistry |
| K | Potasiwm = (look above) |
In Welsh | → Chemistry |
| K | Калиум = (look above) |
In Macedonian | → Chemistry |
| K | Putassiu = (look above) |
In Sicilian | → Chemistry |
| K | Draslík = (look above) |
In Slovak | → Chemistry |
| K | Калијум = (look above) |
In Serbian | → Chemistry |
| K | 钾 = (look above) |
In Chinese | → Chemistry |
| K | Kalium = (look above) |
In Vlaams | → Chemistry |
| K | Potassiom = (look above) |
In Walloon | → Chemistry |
| K | Kalij = (look above) |
In Serbo-Croatian | → Chemistry |
| K | Kalium = (look above) |
In Finnish | → Chemistry |
| K | Kalium = (look above) |
In Swedish | → Chemistry |
| K | โพแทสเซียม = (look above) |
In Thai | → Chemistry |
| K | Kali = (look above) |
In Vietnamese | → Chemistry |
| K | Калий = (look above) |
In Tajik | → Chemistry |
| K | وٹاشیم = (look above) |
[UR] | → Chemistry |
| K | Potasyum = (look above) |
In Turkish | → Chemistry |
| K | Kaliumi = (look above) |
In Albanian | → Chemistry |
| K | Калий = (look above) |
In Russian | → Chemistry |
| K | Kalyu = (look above) |
In Quechua | → Chemistry |
| K | പൊട്ടാസ്യം = (look above) |
In Malayalam | → Chemistry |
| K | Konurehu = (look above) |
In Māori | → Chemistry |
| K | Kalium = (look above) |
In Malay | → Chemistry |
| K | Kalium = (look above) |
In Dutch | → Chemistry |
| K | カリウム = (look above) |
In Japanese | → Chemistry |
| K | Kalium = (look above) |
In Norwegian | → Chemistry |
| K | Kalium = (look above) |
In Nynorsk | → Chemistry |
| K | Kalium = (look above) |
[NOV] | → Chemistry |
| K | Potassi = (look above) |
In Occitan | → Chemistry |