Colombiana de Fisica, SCH, Separate Confinement Heterostructure, SCI, Science Citation Index (beim ISI, Philadelphia, PA), SCIAMACHY, Scanning Imaging Absorption Spectrometer for Atmospheric Chartography, SCID, Severe Combined Immune Deficiency, SCIM, Subcarrier Intensity Modulation, SCM, Scanning Capacitance Microscopy, SCM, Subcarrier Multiplexing, SCM, Supply Chain Management, SCMFT, Self-Consistent Mean Field Theory, SCN, Switched Circuit Network (Telekommunikation), SCO, Synchronous Connection Oriented (Telekommunikation), SCOLE, Spacecraft Control Laboratory Experiment, SCOR, Scientific Committee on Ocean Research, SCORE, Spectral Self-Coherence Restoral (Algorithmus), SCP, Service Control Point (Telekommunikation), SCP, Session Control Protocol (Telekommunikation), SCPC, Single Channel Per Carrier (Telekommunikation), SCPI, Standard Commands for Programmable Instruments, SCPP, Standing Conference of Physics Professors (UK), SCRI, Supersomputer Computations Research Institute (Tallahassee, FL, USA), SCSI, Small Computer Systems Interface, SCU, Signalling and Control Unit (Telekommunikation), SCU, Signalling Channel Unit (Telekommunikation), SCUBA, Submillimetre Common-User Bolometer Array, SD, Secure Digital (Memory Card), SD, South Dakota (US-Staat), SDAP, Service Discovery Application Profile (Telekommunikation), SDE, Service Development Environment (Telekommunikation), SDH, Synchronous Digital Hierarchy (Übertragungsstandard), SDI, Strategic Defense Initiative, SDI, Subscriber Distribution Interface (Telekommunikation), SDIO, Strategic Defense Initiative Organization, SDLC, Synchronous Data Link Control, SDLS, Satellite Data Link System (Telekommunikation), SDMI, Secure Digital Music Initiative, SDMS, Scientific Data Management System, SDOF, Single-Degree-of-Freedom (System), SDP, Service Data Point (Telekommunikation), SDP, Service Delivery Point (Internet), SDP, Session Description Protocol (Telekommunikation), SDS, Sodium dodecyl sulphate, Natriumlaurylsulfat, SDSC, San Diego Supercomputer Center, SDSL, Symmetric Digital Subscriber Line, SDT, Service Description Table (Telekommunikation), SDT, Spin-Dependent Tunneling, SDTV, Standard-Definition Television Format , SDVNC, International Conference on Structural Dynamics, Vibration, Noise and Control, SE, Schrödinger Equation, SEA, Sociedad Española de Acústica, SEA-ME-WE3, South East Asia - Middle East - Western Europe (Kommunikation), SEAF, Secretary of Energy Advisory Board (USA), SEATO, South-East Asia Treaty Organization, SEC, Security Managament (Telekommunikation), SEC, Solid Electrolyte Coulometry, SED, Sozialistische Einheitspartei Deutschlands (DDR), SED, Special Engineering Detachment (USA), SEED, Self-Electrooptic-Effect Device, SEI, Software Engineering Institute, SEL, Sound Exposure Level, SELANE, Secure Local Area Network Environment, SEM, Scanning Electron Microscope (auch: Microscopy), SEM, Spectrum Emission Mask, Sematech, Semiconductor Manufacturing Technology (USA, IC-Firmen-Kooperation), SEMOS, sensorgestützte Montagesysteme, SEN, Service Execution Node (Telekommunikation), SEP, Société Européenne de Propulsion, SEPG, Software Engineering Project Group, SEQ, Shape Equalizer (optische Telekommunikation), SERC, Science and Engineering Research Council (UK), SERM, Selective Estrogen Receptor Modulator (?), selektive Östrogen Rezeptor-Modulatoren, SERS, Surface Enhancement Raman Spectroscopy, SES, Satellite Earth Stations and Systems (TC im ETSI), SES, Single Electron Substance, SES, Societé Européenne des Satellites (Luxembourg), SES, Spracherkennungssystem, SESAM, Semiconductor Saturable Absorber Mirrors, SESAME, Second European Stratospheric Arctic and Midlatitude Experiments, SESAME, Synchrotron Light for Experimental Science and Application in the Middle East, SET, Science, Engineering, Technology, SET, Secure Electronic Transaction (Internet), SET, Single-Electron Transistor, SET, Single-Electron Tunneling (Oscillations), SETA, Systems Engineering and Technical Assistance, SETI, Search for Extraterrestrial Intelligence, SEVA, Self Validating (Sensor), SEVERI, Spinning Enhanced Visible and Infrared Imager (mit MSG, geplant für 2000), SFA, Société Française d'Acoustique, SFAEST, Stabilized Fast A Posteri Error Sequential Technique (Algorithmus), SFB, Sonderforschungsbereich (DFG), SFC, Supercritical Fluid Chromatography, SFI, Santa Fe Institute (NM, USA), SFM, Scanning Force Microscopy, SFM, Société Française des Mécaniciens, SFN, Single Frequency Network (Digital Broadcast), SFP, Société Française de Physique, SG, Signaling Gateway (Telekommunikation), SGA, Schweizerische Gesellschaft für Akustik, SGCP, Simple Gateway Control Protocol (Telekommunikation), SGI, Silicon Graphics, Inc. (Mountain View, CA, USA), SGML, Standard General(ized) Markup Language, SGSN, Serving GPRS Support Node (Telekommunikation), SHA, Sample-and-Hold Amplifier, SHA, Staatshochbauamt, SHAPE, Supreme Headquarters Allied Powers Europe, SHAVE, Shared Virtual Environment, SHD, Synchronous Digital Hierarchy (optische Nachrichtenübertragung), SHEFC, Scottish Higher Education Funding Council, SHF, Super High Frequency (3 - 30 GHz), SHG, Second Harmonic Generation, SHIP, Separator for Heavy Ion Reaction Products (GSI, Darmstadt), SHK, Sanitär, Heizung, Klima -Handwerk , SHOP, Shell Higher Olefin Process, SHS, Solar Home System, SI, Service Information, SI, Système International d'Unités, SIA, Semiconductor Industry Association, SIAM, Scanning Infererometric Apertureless Microscopy, SIAM, Society for Industrial and Applied Mathematics (USA), SIB, Service Independent Building Block (Telekommunikation), SiC, Siliziumkarbid, SICM, Scanning Ion Conduction Microscopy, SIF, Small Image Format (Bildcodierung), SIF, Società Italiana di Fisica, SIFT, Scanning for Intensely Fluorescent Targets (Prionen-Nachweis), SIG, Special Interest Group, SIGMA, Support for Improvement in Governance and Management (EU), SILEX, Semiconductor Laser Inter-Satellite Link Experiment (geplant für 1998), SIM, Skalierungs-Index-Methode (nichtlineare Dynamik), SIM, Space Interferometry Mission, SIM, Subscriber Identity Module (Telekommunikation), SIMBA, Superhigh Intensity Mono-Beam Amplifier Chain (KrF-Laser), SIMD, Single Instruction, Multiple Data (Rechnerarchitektur), SIMM, Single Inline Memory Module, SIMMWIC, Silicon Monolithic Millimeter Wave Integrated Circuit, SIMO, Single Input - Multiple Output (Controller, System), SIMS, Secondary Ion Mass Spectroscopy, SINQ, Schweizer Institut für Nuklearforschung-Quelle (?), SiON, Silicon Oxynitride, SIOP, Single Integrated Operations Plan (USA), SIP, Session Initiation Protocol (Telekommunikation), SIPI, Scientists' Institute for Public Information (New York), SIPS, Workshop on Signal Processing Systems Design and Implementation, SIPS, Simply Interactive Personal Computer, SIR, Shuttle (oder: Spaceborne) Imaging Radar (Satellit), SIR, Signal-to-Interference Ratio, SIR, Submission Information Rate (Datennetz), SIRM, Scanning Infrared Microscopy, SIRTF, Space Infrared Telescope Facility (Satellit), SIS, Schwerionen-Synchrotron (bei der GSI, Darmstadt), SIS, Stateful Inspection System (Firewall), SIS, Surface Inversion Strength (Meteorologie), SISO, Single Input - Single Output (Controller, System), SIT, Self-Induced Transparency, SIT, Fraunhofer- Institut für Sichere Telekooperation (Darmstadt), SIT, Structured Inventive Thinking, SIV, Simian Immunodeficiency Virus (Aids-Virus bei Affen), SKAN, SkyBridge Access Node (Telekommunikation), SKM, Scanning Kelvin Microscopy, SKT, SkyBridge Terminal (Telekommunikation), SKT, PRO SkyBridge Professional Terminal (Telekommunikation), SKT, RES SkyBridge Residential Terminal (Telekommunikation), SL, Schwere Löcher (Halbleiterphysik), SL, Sonoluminescence, Sonolumineszenz, SLA, Service Level Agreement (Telekommunikation), SLAC, Stanford Linear Accelerator Center, SLAM, Scanning Laser Acoustical Microscope, SLBM, Submarine-Launched Ballistic Missile, SLCM, Sea-Launched Cruise Missile, SLG, Schweizerische Liga gegen den Lärm, SLIS, Scanning Linear Imager Sensor, SLM, Service Level Management (Telekommunikation), SLM, Spatial Light Modulator, SLR, Satelliten-Laser-Radar, SLR, Send(ing) Loudness Rating (Telekommunikation), SLS, Service Level Specification (Telekommunikation), SLTE, Subscriber Line Terminal Equipment (Telekommunikation), SM, Session Management (Telekommunikation), SM, Software Manager, SM, Software Module, SMA, Shape Memory Alloy oder: Actuator , SMAD, Sowjetische Militäradministration in Deutschland, SMB, Small and Medium Size Business (,  KMU), SMC, Service Management Center (Internet), SMC, Sheet Moulding Compound, SMC, Switch Management Center (Telekommunikation), SMD, Surface Mounted Device, SMDS, Switched Multimegabit Data Service, SME, Small and Medium-Sized Enterprises (ESPRIT) ,  KMU , SMES, Superconductor Magnetic Energy Storage, supraleitender magnetischer Energiespeicher, SMEX, Small Explorer Program (USA, Raumfahrt), SMF, Service Management Function (Telekommunikation), SMF, Single Mode Fiber (optische Telekommunikation), SMG, Special Mobile Group (TC im ETSI), SMGCS, Surface Movement Guidance and Control System (Rollverkehrsführungssystem), SMIF, Standard Mechanical Interface, SML, Service Management Layer (optische Telekommunikation), SMP, Service Management Point (oder: Platform) (Telekommunikation), SMP, Symmetric Multiprocessing, SMPTE, Society of Motion Pictures and Television Engineers, SMR, Surface Movement Radar, SMS, Short Message Service (Telekommunikation), SMS, Single Molecule Spectroscopy, SMS, Statistical Mode Sensor, SMS-C, Short Message Service Center (Telekommunikation), SMT, Surface Mount Technology (Platinenherstellung), SMTA, Surface Mount Technology Association (Edina, MN, USA), SMTP, Simple Mail Transport Protocol (Telekommunikation), SMU, Source Measure Unit, SNA, System of National Accounts (Volkswirtschaft), SNAAP, Study of Noise and Aerodynamics of Advanced Propellers (EU-Forschungsprojekt), SNAM, Scanning Nearfield Acoustical Microscopy, SNCP, Sub-Network Connection Protection (Telekommunikation), SND, Alcatel Submarine Networks Division (Seekabel), SNDCP, Sub-Network Dependent Convergence Protocol (Telekommunikation), S-NE, STM Network Element (Telekommunikation), SNECMA, Société Nationale d'étude et de construction de moteurs d'aviation (Paris, F), SNF, Spent Nuclear Fuel (Radioaktiver Abfall), SNI, Siemens Nixdorf Informationssysteme, SNIU, Subscriber's Network Interface Unit, SNMP, Simple Network Management Protocol (Internet), SNO, Sudbury Neutrino Observatory, SNOM, Scanning Nearfield Optical Microscopy (oder: Microscope), SNP, (gesprochen: "Snip") Single Nucleotide Polymorphism, SNR, Signal-to-Noise Ratio, SNS, Spallation Neutron Source (ORNL, TN, USA), SNU, Seoul National University (Korea), SNU, Solar Neutrino Unit (1 SNU ,  1 Einfang/(1036 Targetatome·sec)), SNV, Studiengesellschaft Nahverkehr Berlin, SOA, Safe Operating Area, SOA, Semiconductor Optical Amplifier, SOAE, spontane otoakustische Emissionen, SOAR, Southern Observatory for Astronomical Research, SOBRAC, Sociedade Brasileria de Acústica, SOC, Self-Organized Criticality, SOC, Science Observation Center (XMM), SOCAP, Smart Optical Correlator Auxiliary Processor, SOE, Sequence of Events, SOE, Standard Operating Environment, SOFAR, Sound Fixing and Ranging (Schall-Leitungskanal im Ozean), SOFC, Solid Oxide Fuel Cell; Solid Electrolyte Oxygen Fuel Cell, SOFI, Soziologisches Forschungsinstitut (Göttingen), SOFIA, Stratospheric Observatory for Infrared Astronomy (geplant für 1999), SOFIE, Spectroscopy Using Optical Fibres in the Marine Environment (EU-Projekt), S of R (SoR), Society of Rheology (USA), SOHO, Small Office, Home Office (Internet), SOHO, Solar and Heliospheric Observatory (Satellit, 1995), SOI, Silicon on Insulator, SOI, Solar Oscillatins Investigation (an Bord von SOHO), SOIF, Standard Object Interchange Format (für Datenaustausch, Internet), SOL, Senioren Online, SOLIS, Synoptic Optical Long-Term Investigations of the Sun (USA), SOM, Scanning Optical Microscope, SONAR, Sound Navigation and Ranging, SONATEC, Selbstordnende Nanometer-Technologie, SONET, Synchronous Optical Network (Telekommunikation), SOP, Standard Opening Procedure, SOQE, Society for Optical and Quantum Electronics (McLean, VA, USA), SOR, Society of Rheology (USA), SPAD, Signals Passed at Danger, SPARC, Scholarly Publishing and Academic Resources Coalition (USA), SPC, Science Program Committee (ESA), SPC, Statistical Process Coontrol, SPEC, System Performance Evaluation Cooperative (Computer-Prozessor-Leistungsfähigkeits-Test), SPECFP, SPEC-fixed point, SPECINT, SPEC-integer, SPECT, Single Electron Emission Computer Tomography, SPELDA, Structure porteuse pour lancement doubles Ariane (Ariane-Transportsystem), SPF, Super Plastic Forming, SPG, Schweizerische Physikalische Gesellschaft, SPI, Service Provider Interface (Telekommunikation), SPI, Software Process Improvement, SPIE, Society of Photo-Optical Instrumentation Engineers (jetzt: International Society of Optical Engineering) (USA), SPM, Scanning Probe Microscopy (oder: Microscope), SPM, Self Phase Modulation, SPM, Summary for Policy Makers (IPCC, über globale Klimaveränderung), SPMD, Single-Program Multiple-Data, SPOT, Satellite pour l'observation de la terre, SPP, Serial Port Profile, SPP, Service Provisioning Point (Telekommunikation), SPR, Single Path Routing (Telekommunikation), SPR, Smith-Purcell Radiation, SPRINT, Strategic Program for Innovation and Technology Transfer, SPRT, Standard Platinum Resitance Thermometer, SP-RTM, Spinpolarisierte Rastertunnelmikroskopie, SPS, Signalling, Protocols and Switching (TC im ETSI), SPS, The Slovak Physical Society, SPS, Society of Physics Students, SPS, Super Proton Synchrotron (CERN), S-PVC, Soft (oder: Signalized) Permanent Virtual Circuit (Telekommunikation), SQL, Standard (oder: Structural) Query Language (Telekommunikation), SQUID, Superconducting Quantum Interference Device, SQW, Single Quantum Well, SR, Search Retrieval, SR, Signal Recognition, S/R, Switch/Router (Telekommunikation), SRA, Source-Receiver Array, SRAM, Sequential RAM (?), SRC, Strategic Committee and Review (TC im ETSI), SRD, Science Research Development (EU), SRD, Short Range Device (Funkgeräte), SRET, Scanning Reference Electrode Technique, SRF, Specialized Resources Function (Telekommunikation), SRF, Strain Rate Feedback, SRI, Stanford Research Institute, SRM, Standard Reference Material (Temperaturstandard, NBS), SRP, Specialized Resources Point (Telekommunikation), SRS, Sequence Retrieval System (Bioinformatik), SRS, Synchrotron Radiation Source (Daresbury Laboratory, GB), SRT, Source/Receiver Transponder, SRTM, Shuttle Radar Topography Mission, SRY, Sex-Determining Region Y (Genetik), SSC, Satellite Station Controller, SSC, Superconducting Super Collider (Texas), SSC, Survey Scientist Consortium (XMM), SSCOP, Service Specific Connection Oriented Protocol (Datennetz), SSD, Switching System Division (Telekommunikation), SSEC, Selective Sequence Electronic Calculator (1947, Columbia), SSF, Service Switching Function (Telekommunikation), SSH, Secured Shell (Telekommunikation), SSI, Solid State Imaging Camera (Galileo-Satellit), SSI, Stochastic Subspace Identification, SSK, Strahlenschutzkommission, SSL, Secure Socket Layer (Internet, offenes Verschlüsselungs-Protokoll), SSL, Superconducting Sensor Laboratory (Chiba, Japan), SSM, Standard-Sonnenmodell (Astrophysik), SSMF, Standard Single Mode Fiber (optische Telekommunikation), SSP, Service Switching Point, SSP, Société Suisse de Physique, SSPA, Solid State Power Amplifier, SSR, Secondary Surveillance Radar, SSR, Solid State Relay, SSS, Space Segment, SSST, Southeastern Symposium on System Theory, SSt, Schallschutzstufen (Ruheschutz in Wohnungen, VDI-Richtlinie 4100), SST, Sea Surface Temperature, SST, Subscriber Station (Teilnehmerstation), SST, Super Sharp Tube (Röntgenröhre, Philips), SSU, Synchronization Supply Unit (Telekommunikation), SSVF, System Simulation and Verification Facility (ESTEC), SS7, Signaling System No. 7 (Telekommunikation), S&T, Science and Technology, ST, Sixteen Thirty-two (Atari: 16 Bit externer/32 Bit interner Datenbus), ST, Small Terminal, ST, Street (US Mail), STA, Science and Technology Agency (Japan), STA, Station (US Mail), STAR, GLOBALSTAR Satellite Technology, STAR, Solenoidal Tracker of RHIC, STAR, Standardization and R & D Links (CEN-Arbeitsgruppe), STARS, Software Technology for Adaptable Reliable Systems, START, Small Tight Aspect Ratio Tokamak (Culham, UK), START, Strategic Arms Reduction Treaty, STARTAP, Science, Technology and Research Transit Point (Datennetz der NSF, Chicago, IL, USA), STE, Suite (US Mail), ST-ECF, Space Telescope European Coordinating Facility (ESO), STEM, Scanning Transmission Electron Microscope, STEP, Satellite Test of Equivalence Principle, STEP, (German) Students Exchange Programme, STFT, Short Time Fourier Transform, STG, Schiffbautechnische Gesellschaft, SThM, Scanning Thermal Microscopy (?), STI, Speech Transmission Index, STIRAP, Stimulated Raman Scattering Involving Adiabatic Passage, STL, Studio-to-Transmitter Link, STM, Scanning Thermal Microscopy, STM, Scanning Tunnel ing Microscopy, STM, Synchronous Transfer (oder: Transport) Module (Datennetz), STN, The Scientific and Technical Information Network (Datenbank), STN, Supertwisted Nematic (Flüssigkristalle), STOL, Short Take-off and Landing, STP, Shielded Twisted Pair (Datenkabel), STP, Signaling Transfer Point (Telekommunikation), STR, Self-Tuning Regulator, STRL, Science and Technical Research Laboratories (NKK, Japan), STS, Section de Technicien Supérieure, STS, Synchronous Transport Signal (Datennetz), STS, System Time Stamp (Telekommunikation), STSF, Spatial Transformation of Sound Fields (Brüel & Kjær), STTI-KL, Software-Technologie-Transfer-Initiative Kaiserslautern, Stupa, Studentenparlament, SUB, Niedersächsische Staats- und Universitätsbibliothek (Göttingen), SUMER, Solar Ultraviolet Measurements of Emitted Radiation (an Bord von SOHO), SUNDIAL, Speech Understanding and Dialogue, SUNY, State University of New York, SuperSmile, Superior Semiconductor Mid-Infrared Laser, SUSI, Sydney University Stellar Interferometer, SUSY, Supersymmetrie (Elementarteilchentheorie), SV, Stifterverband für die Deutsche Wissenschaft e.V., SVC, Switched Virtual Circuit (Internet), SVD, Singular Value Decomposition, SVF, Serial Vector Format, S-VHS, Super-VHS, SVM, Skalierungs-Vektor-Methode (nichtlineare Dynamik), SWAN, Solar Wind Anisotropy (an Bord von SOHO), SWAS, Submillimeter Wave Astronomy Satellite, SWNT, Single Wall Nanotubes, SWS, Semesterwochenstunde, SXT, Soft X-Ray Transient (Astrophysik), SysCoP, System for Copyright Protection, SZ, Süddeutsche Zeitung, T, T, Thymin (DNA-Base), TA, Teaching Assistent (USA), TA, Technikfolgen-Abschätzung, TA, Technische Anleitung, TAB, Büro für Technikfolgen-Abschätzung, TAB, Tape Automated Bonding, TAC, Technical Activity Committee (IEEE), TAC, Technical