Now showing items 1-1319 of 1319

      Subject
      s-numbers [1]
      S. aureus [1]
      S. cayennensis [1]
      S. cerevisiae [1]
      Saadopbrengs [1]
      SABPA [1]
      SAC254 [1]
      SACMEQ [1]
      Sacrificial reducing agent (SRA) [3]
      SADC [2]
      Safety [2]
      Safety indicators [1]
      safety kits [2]
      safety precautions [1]
      SAICA competency framework [1]
      Saldanha bay [1]
      Salicylate [3]
      salicylic acid [1]
      salinity [1]
      Salinization [1]
      Salt [3]
      Saltatrichus [1]
      Sample matrix [1]
      Sample preparation [1]
      Sample splitting [1]
      Sampling [3]
      sampling [1]
      sampling method [1]
      Sandstone [1]
      sanitation [1]
      SANS1162 [1]
      Sansevieria trifasciata [1]
      sap-sucking pests [1]
      Sarbanes-Oxley Act [1]
      Sardine [1]
      SARS-CoV-2 [1]
      satellite aerosol remote sensing [1]
      Satellite DNA [1]
      Satellite retrievals [1]
      Satellite validation [1]
      Satisfaction [1]
      satisfaction [3]
      satisfaction with life [1]
      Saturation [1]
      SAUCGA [1]
      Sauter Mean Diameter [1]
      Savanna [5]
      savanna [1]
      Savanna ecology [1]
      Savanna ecosystems [1]
      Savannah [1]
      savannas [1]
      Saxicolous lichens [1]
      Saxidromidae [1]
      scalar field [1]
      scalar-tensor [1]
      scale [1]
      Scanning electron microscopy [3]
      scanning electron microscopy [1]
      Scanning electron microscopy (SEM) [1]
      SCAR [1]
      SCAR-PCR [2]
      Scattering [3]
      scattering [1]
      Scavenger [1]
      scenario analysis [1]
      Scheduling [1]
      scheduling [1]
      Scheloribates [1]
      Schiff base [2]
      Schiff base compounds [1]
      Schiff bases [3]
      Schistosoma [1]
      Schizoglossum-complex [4]
      Scholarships [1]
      school climate [3]
      School efficiency [1]
      School leadership [1]
      School mathematics curricula [1]
      School meals [1]
      School readiness [1]
      School sport [1]
      Schur class functions [1]
      Schur coupling [3]
      Schur property of order p [1]
      Science [1]
      Science and technology studies [1]
      Science evaluation [1]
      Science textbooks [1]
      Science-advisory bodies [1]
      Science-policy interface [2]
      Science–policy interface [1]
      Scientific autonomy [1]
      scientific facts [1]
      Scientific rigor [1]
      Sclerophrys [1]
      Sclerotinia sclerotiorum [2]
      Scoliciosporaceae [1]
      scoping [2]
      Scorecard [1]
      Scorpion [1]
      Scratch [1]
      Screening [1]
      screening [4]
      Sculptor [1]
      Scutellonema brachyurus [1]
      Scutellonema bradys [2]
      Scutellonema cavenessi [1]
      Scutellonema transvaalense [1]
      Scutellonema truncatum [2]
      Scytonema [1]
      SDEs [1]
      SEA [1]
      Sea shore [1]
      Sea turtle [3]
      Sea turtles [1]
      Seabird [1]
      Seabird eggs [1]
      Seagrass [2]
      Sealing layer [1]
      sealing layer [1]
      season [2]
      seasonal distribution [1]
      Seasonal precipitation [1]
      Seasonal soil moisture [1]
      Seasonal variation [3]
      seasonality [1]
      Seaweed extract [1]
      Seaweeds [1]
      SEC/GPC [1]
      SECM [2]
      Second generation grubbs precatalyst [1]
      secondary cell wall [1]
      secondary cities [1]
      Secondary metabolites [2]
      secondary metabolites [2]
      secondary minerals [1]
      secondary school mathematics [1]
      Secondary signalling responses [1]
      Sectional Title Act [1]
      sectional title act [1]
      Security [1]
      Security awareness [5]
      security awareness [1]
      Security culture [4]
      Security fatigue [2]
      Security planning [1]
      Security threats [1]
      SeDeM diagram expert system [1]
      Sedentary lifestyles [1]
      Sedibeng District Municipality [1]
      Sediment [4]
      sediment [1]
      Sediment analysis [1]
      Sediment quality [1]
      Sediment quality guidelines [1]
      sediment quality triad [1]
      Sediment retention [1]
      Sediment source fingerprinting [1]
      Sediment stability [1]
      sediment toxicity [1]
      Sediment-dwelling organisms [1]
      Sediments [3]
      seed germination [1]
      Seed pelleting [1]
      seed structure [1]
      Seed yield [1]
      Seed-bioprospecting [1]
      Seedless [1]
      seedling growth [1]
      seedling transpiration [1]
      Seepage pollution [1]
      Segmentation [1]
      sekao sa setlhare se se okeditsweng ka kgetsi [1]
      Sekhukhune Centre of Endemism [1]
      Sekhukhuneland [1]
      Sekhukhuneland Centre of Endemism [1]
      sekondêre stede [1]
      Selar crumenophthalmus [1]
      Selati tailings storage facility [1]
      Selective ethylene dimerization [1]
      Selectivity [2]
      Selectivity indices [1]
      Selectivity ratio [1]
      Selenium [1]
      self confidence [1]
      Self starting [2]
      Self-assembly [1]
      Self-consistency [1]
      Self-consistent sources [1]
      Self-directed learning. [1]
      Self-driving cars [1]
      Self-esteem [2]
      self-evaluation [1]
      Self-organised mapping [1]
      Self-organising maps [1]
      Self-organizing maps [1]
      Self-orthogonal designs [1]
      Self-powered [1]
      Self-regulation [1]
      Self-regulatory styles [1]
      self-regulatory styles [1]
      Self-reported alcohol intake [1]
      SEM [39]
      sem [2]
      SEM/EDX [1]
      SEM/EDX/AFM [1]
      Semantic annotation [1]
      Semantic Web [1]
      semantic web [1]
      Semantic web service [1]
      Semantics [1]
      semantics [1]
      Semen Quality [1]
      Semi-arid [1]
      Semi-arid savannah [1]
      Semi-coked coal briquettes [1]
      Semi-finite [1]
      Semi-finite von Neumann algebras [1]
      Semi-linear model [1]
      Semi-parametric [1]
      Semi-supervised [1]
      Semi-supervised segmentation [1]
      Semiconductor [1]
      Semiconductors [3]
      Semiochemical cues [1]
      Semiparametric [1]
      Senecio [1]
      Senecio burchelli [1]
      Senegal [2]
      Senegalia [1]
      Senegalia caffra [1]
      Senescence [1]
      sense of escape [2]
      sense of place/community [1]
      Sensible heat TES [1]
      Sensing devices [1]
      Sensitivity [3]
      Sensitivity analysis [2]
      Sensitivity index [1]
      sensitivity mapping [1]
      Sensorimotor gating [1]
      Sensory stimulation therapy [1]
      Sentinel animal [1]
      Separation [3]
      Separation of NF3 and CF4 [1]
      separation science [1]
      Sequence analysis [1]
      Sequence context [1]
      Sequence-independent cDNA synthesis and amplification [1]
      Sequence-independent genome [2]
      Sequence-independent genome amplification and 454® pyrosequencing [1]
      Sequencing [3]
      Sequential decision-making [1]
      sequential extraction [2]
      Sequential monitoring [1]
      Sequential ranks [2]
      Serial dependence tests [1]
      Serial independence [1]
      Series [1]
      Serious Games [1]
      Serious games [3]
      Serogroup-specific (pan-reactive) assays [1]
      Serological DIVA [1]
      Serology [1]
      Seroprevalence data [1]
      Serotonin [2]
      Serotype [1]
      Serotype-specific assays [1]
      Serpentine [7]
      serpentine [3]
      serpentine ecology [1]
      serpentine endemism [1]
      Serpentine geoecology [1]
      serpentine geoecology [1]
      Serpentine vegetation [1]
      Serpents [2]
      Serra do Navio manganese deposit [1]
      Serratia marcescens [1]
      SERS [2]
      Sertoli Cells [1]
      Serum [3]
      Serum sialic acid [1]
      Service delivery [2]
      Service delivery indicator [1]
      Service desk [1]
      service quality [1]
      Service readiness [1]
      Sesamia calamistis [3]
      Sesamiina [2]
      Setswana [2]
      Severe air pollution episode [1]
      severe storm [1]
      Severe weather [1]
      severity distribution [1]
      Sewer overflow [1]
      Sex [1]
      Sex Difference [1]
      Sex differences [1]
      sex hormones [1]
      Sex-related behaviours [1]
      sexism [1]
      Sexual assault [1]
      sexual dichromatism [1]
      Sexual selection [1]
      Sécheresse [1]
      shade-drying [1]
      Shannon Weaver diversity index [1]
      Shape [1]
      shape [1]
      Shape descriptor [1]
      Shared instruments [1]
      Shark framing [1]
      Shark hazard mitigation [1]
      Sharpe Ratio [1]
      Sharpe ratio [2]
      Sharptooth catfish [1]
      Shear-free spacetimes [1]
      Sheather's Solution [1]
      Sheep [8]
      Shiga-Toxin [1]
      Shiga-toxin [1]
      Shigella species [1]
      Shock acceleration [1]
      Shock wave [1]
      Shock waves [8]
      shock waves [1]
      Shocks [1]
      Shooting Method [1]
      Short and long-term exposure [1]
      Short rate models [1]
      short-side-chain ionomer [1]
      Shortening [1]
      shortening [1]
      Shortwave aerosol radiative forcing [1]
      Short‐interval intracortical inhibition [1]
      Shrub encroachment [1]
      Shrub‐encroachment [2]
      Shuttleworth-Wallace model [1]
      Si ferroalloys production [1]
      Si production [1]
      SIA practitioners [1]
      Siboga Expedition [1]
      Sicelo township [1]
      Side effect [1]
      Siderophore [1]
      Sigma-finite Von Neumann algebra [1]
      sign [2]
      Sign characteristic [1]
      Signaling [1]
      Signalling [1]
      Signed sequential ranks [1]
      Significance [1]
      Significance determination [1]
      significance testing [1]
      Silage [1]
      silage [1]
      Silencing [1]
      Silent ischemia [3]
      Silent myocardial ischaemia [1]
      Silica [1]
      silica [1]
      Silica dust [1]
      Silicon carbide [1]
      Silicosis [1]
      silicosis [1]
      Silk inoculation [1]
      silo-based expertise [2]
      Silver [3]
      silver [1]
      Silver nanoparticles [5]
      Silverantibiotic nanoparticles [1]
      similarity reductions [1]
      Simplest equation method [4]
      simplest equation method [4]
      Simplified water poverty index [1]
      simplifying assumption [1]
      Simulated fluids [1]
      Simulated gastric fluid [1]
      Simulated ruminal fermentation [1]
      Simulation [4]
      Simulation experiments [1]
      simulation experiments [1]
      Simultaneous Equation Model (SEM) [1]
      Singabodes rarus [1]
      Singapore [4]
      Single cells [1]
      single crystal [1]
      Single scattering albedo [2]
      Single scattering albedo (ω0) [1]
      Single-crystal X-ray study [1]
      singular spectrum analysis [2]
      singular value decomposition [2]
      singular values [2]
      singular vectors [1]
      Sintering [2]
      SiO reactivity [1]
      Sisyranthus sekhukhuniensis [1]
      Sisyranthus vryheidensis [1]
      Site selection [1]
      Size classes [1]
      Size fraction [1]
      size-resolved [1]
      Skeletal muscle [1]
      Skeletal muscle (myotubes) [1]
      Skill [2]
      skills mismatches [1]
      Skin [1]
      skin [1]
      Skin bacteria [2]
      Skin products [1]
      Skoenlus [1]
      Slag [1]
      Slag reactivity [1]
      Slagging behaviour [1]
      Sludge balancing dam [1]
      Sludge treatment [1]
      Small and medium enterprise (SME) [2]
      small ball probability [1]
      Small business development [1]
      Small Magellanic Cloud [1]
      Small town [1]
      Small-scale [1]
      Small-scale fisheries [1]
      small-scale growers [1]
      Smallholder farmer [1]
      Smallholder farmers [1]
      smallholder farmers [2]
      Smallholders [1]
      Smallholding farmers [1]
      Smart cities [1]
      Smelter waste [1]
      smelters [1]
      smoking [1]
      Smooth function model [2]
      smoothing [5]
      Snakes [2]
      SnO2 [1]
      SNP [1]
      SNPs [1]
      SNS [1]
      SO2 [5]
      SO2 electro-oxidation [5]
      SO2 electrolyser [1]
      SO2 electrolysis [6]
      SO2-depolarized electrolysis [1]
      SO2-drought interaction [1]
      Soccer [3]
      Social accounting matrix [1]
      Social aspects [1]
      social classes [1]
      Social effects [1]
      Social engineering [1]
      social engineering [2]
      Social impact assessment (SIA) [1]
      Social issues [1]
      Social Media [1]
      Social media [3]
      Social network analysis [2]
      Social networking sites (SNS) [2]
      Social networks [2]
      Social research [1]
      Social support [2]
      Social sustainability [2]
      social systems [1]
      Social-ecological systems [1]
      Socially Responsible Investment [1]
      Socio-cultural Protocols [1]
      socio-demographic [1]
      Socio-economic characteristics [1]
      sociocultural values [1]
      socioeconomic conditions [1]
      socioeconomic factors [1]
      Socioeconomic status [1]
      Sodic [1]
      sodic patches [1]
      Sodium [3]
      Sodium carbonate [1]
      Sodium chloride [1]
      Sodium hydroxide [1]
      sodium separation [1]
      Sodwana Bay [2]
      SoER [1]
      Soft coral [1]
      Soft decisions [1]
      Soft gamma-ray repeaters [1]
      Soft Skills [1]
      soft skills [1]
      Soft systems methodology [1]
      Soft systems thinking [1]
      Software [1]
      Software design [1]
      Software developers [1]
      Software development [2]
      Software development education [3]
      software development education [1]
      Software development methodologies [1]
      Software development methodology [1]
      Software engineering [1]
      software industry [2]
      software maintenance [1]
      software professionals [1]
      Software quality [1]
      Software systems [1]
      Soil [3]
      soil [2]
      Soil amendments [2]
      Soil buffering [1]
      soil chemistry [2]
      soil contamination [1]
      Soil development [1]
      Soil ecology [1]
      Soil ecosystem function [1]
      Soil ecotoxicology [2]
      Soil enzymes [1]
      Soil exposure [1]
      Soil fauna [1]
      Soil fertility [1]
      soil fertility [1]
      soil fertility management [1]
      Soil function [1]
      Soil health [3]
      soil improvement [1]
      Soil mesofauna [1]
      Soil metagenomics [1]
      Soil microbes [1]
      Soil microbial communities [1]
      Soil microbial community [1]
      Soil microbiome [1]
      Soil microorganism [1]
      Soil microorganisms [1]
      Soil mites [1]
      Soil moisture [1]
      soil moisture [1]
      Soil N-NH4 [1]
      Soil N-NO3 [1]
      Soil nematode assemblages [1]
      Soil organic matter [1]
      Soil physicochemical conditions [2]
      Soil pollution [2]
      Soil properties [1]
      Soil quality [4]
      soil quality [1]
      Soil remediation [1]
      soil surface indices [2]
      Soil survey [1]
      soil temperature [1]
      Soil texture [3]
      Soil threats [1]
      Soil tillage operations [1]
      Soil Water Assessment [1]
      Soil water balance [1]
      Soil water content [2]
      Soil-derived product [1]
      Soils [1]
      Solanum lycopersicum [1]
      Solar activity [4]
      solar activity [3]
      Solar cooking thermal oils [2]
      Solar cosmic rays [1]
      Solar cycle [3]
      solar cycle [1]
      Solar cycle, models [1]
      Solar cycles [1]
      solar cycles [1]
      Solar dynamo [1]
      Solar energetic particles [3]
      Solar energy [1]
      Solar energy conversion [1]
      solar flares [1]
      Solar influences [2]
      Solar magnetic fields [1]
      solar minimum activity [1]
      Solar modulation [6]
      solar modulation [9]
      solar neighbourhood [1]
      solar oscillations [1]
      Solar oscillations: distance moduli [1]
      Solar physics [1]
      Solar receiver [2]
      Solar rotation [1]
      Solar system: general [1]
      Solar wind [18]
      solar wind [3]
      solar wind plasma [1]
      Solar wind termination shock [3]
      Solar winds [1]
      Solar-terrestrial relations [3]
      solar-terrestrial relations [1]
      Solenozetes makokouensi n. sp. [1]
      Solenozetes redefined [1]
      Soli DFT [1]
      Solid dispersion [1]
      Solid fuel burning [1]
      Solid fuels [2]
      Solid lipid nanoparticles (SLN) [1]
      Solid phase extraction [1]
      Solid rocket operation [1]
      Solid solutions [1]
      Solid state reduction [1]
      Solid waste [1]
      Solid-solid reaction [2]
      Solid-state reduction [1]
      Solid-state reduction of chromite [1]
      Solitary wave [2]
      Soliton [2]
      Soliton solution [2]
      Solubility [3]
      Solutions [1]
      Solvency II [2]
      Solvent [1]
      Solvent extraction [7]
      solvent-extractable chlorophyll [1]
      Solventless catalysis [1]
      solvothermal [1]
      Somatic mtDNA variation [1]
      Sommerfeld enhancement [1]
      Sooty Tern [1]
      Sorghum [1]
      sosiale sisteme [1]
      Sosiale volhoubaarheid [1]
      Sound velocity [5]
      Sound velocity mixing rules [1]
      Sour cherry [1]
      Source apportionment [2]
      Source identification [1]
      South Africa [174]
      South Africa 2005-2012 [1]
      South African [4]
      South African Banks [1]
      South African bituminous coal fines [1]
      South African Broadcasting Corporation [1]
      South African coal [1]
      South African consumers [1]
      South African context [1]
      South African Diatom Index [1]
      South African Diatom Index (SADI) [1]
      South African Highveld [2]
      South African highveld [1]
      South African Indians [1]
      South African Institute of Chartered Accountants [1]
      South African languages [2]
      South African municipalities [1]
      South African national parks [1]
      South African National Parks (SANParks) [1]
      South African Press Ombudsman [1]
      South Atlantic Ocean [1]
      South-Africa [1]
      SouthAfrica [1]
      Southeastern Atlantic Ocean [1]
      Southern Africa [11]
      southern Africa [2]
      Southern Africa taxonomy [1]
      Southern African Development Community [3]
      Southern Ground Hornbill [1]
      Southern Ground-Hornbill [1]
      Southern Marginal Zone of the Limpopo Complex [1]
      Southwestern Pacific [1]
      Sovereign ratings [1]
      Soweto [3]
      soy products [2]
      Soy-daddawa [3]
      Soya [1]
      Soybean [5]
      soybean [2]
      soybean meal [1]
      soybean meals [1]
      Söderberg electrode paste [1]
      Söderberg electrodes [2]
      space [1]
      Space & astrophysical plasma [1]
      Space climate [1]
      Space economy [1]
      Space physics [2]
      Space plasma physics [1]
      Space weather [2]
      Space weather instrumentation [1]
      Spain [1]
      spam [2]
      SPARQL [1]
      Sparsity order [1]
      Spatial [2]
      spatial [1]
      Spatial and temporal [1]
      Spatial assessment [1]
      spatial comparisons [1]
      Spatial development planning [1]
      Spatial disaggregation [1]
      spatial distribution [1]
      Spatial modelling [1]
      Spatial planning [6]
      spatial planning [1]
      Spatial proximity [1]
      Spatial scale [1]
      Spatial variation [2]
      spatial variation [1]
      Spatial variations [1]
      Spearman's rho [1]
      special purpose vehicle (SPV) [1]
      Specialization [1]
      Specialized learning [1]
      Speciation [8]
      speciation [1]
      Species [1]
      species [2]
      Species complex [1]
      species complex [1]
      Species composition [3]
      species composition [1]
      species conservation [1]
      Species delimitation [2]
      species description [1]
      Species difference [1]
      species difference [1]
      Species differences [1]
      Species distribution [1]
      species distribution [1]
      species distribution model [2]
      Species distribution modeling [1]
      species distribution modelling [1]
      Species diversity [1]
      species diversity [1]
      Species interactions [1]
      Species key [1]
      Species richness [4]
      species richness [3]
      Species sensitivity distribution [1]
      Species variations [1]
      Species-specific density [1]
      Specific activity [1]
      Specific growth rate [1]
      Specific media (hypertext, Internet, film, music, etc.) [1]
      specific surface area/volume [1]
      Specification test [2]
      Spectral analysis [2]
      Spectral collocation [1]
      spectral theory [1]
      Spectrophotometry [2]
      spectrophotometry [1]
      Spectropolarimetry [1]
      Spectroscopy [3]
      Spectrum [2]
      Speech and language resources acquisition [2]
      Speech corpora [2]
      Speech Corpus [1]
      Speech interface [1]
      Speech recognition [6]
      Speech synthesis [3]
      Speech-enabled IVR [1]
      Speed of sound [3]
      Spent Benfield salt [1]
      Spent coffee grounds [1]
      Spent mushroom substrate [1]
      Spent paint organic solvents [1]
      Spermatocytes [1]
      Spermatogonic Cells [1]
      Spermatozoa [1]
      Sphaeroma [1]
      Sphaeromatidae [2]
      Sphaerotheca [1]
      Sphagnum [1]
      Spheniscus demersus [1]
      Spherical encapsulation [1]
      Spherical mirrors [1]
      Spherical symmetry [2]
      spherical symmetry [1]
      Spherically complete [1]
      Spheroid [1]
      SPICE [1]
      Spin density [1]
      Spinach beet [1]
      Spinibdella [1]
      Spinibdellinae [2]
      Spiny bollworm [1]
      Spiracle occlusion [1]
      Spiral arms [1]
      Spiral colonies [1]
      Spiral diatom [1]
      Spiral nematodes [1]
      spiritualiteit [1]
      spirituality [3]
      Spodoptera frugiperda [2]
      Spoken term detection 1 [1]
      Spoken web [1]
      sporocysts [1]
      Sporothrix [1]
      sporozoites [1]
      Sport [3]
      sport [1]
      Sport coach [1]
      Sport coach and Volunteers [1]
      Sport coaches [5]
      Sport coaching [1]
      Sport domain involvement [1]
      Sport organisation [1]
      Sport organization [1]
      Sport participants [1]
      Sport participation [1]
      Sport spectator motives [1]
      Sport students [1]
      Sport tourism [2]
      Sporting events [1]
      sporting events [1]
      Sports concussion [1]
      Sports injuries [2]
      Spot urine [1]
      Spotted stem borer [1]
      Sprague Dawley rats [1]
      Sprint cycling [1]
      sprituality [1]
      Spurious oscillations [1]
      Sputtering [3]
      Sputum [4]
      spvC [1]
      SQGs [1]
      Square wave voltammetry [1]
      Squat [2]
      Sri Lanka [1]
      SrTiO3 [1]
      SSR markers [1]
      SSRQ [1]
      SSU [1]
      St. John [1]
      St. Thomas [1]
      Stability [5]
      stability [2]
      Stability constant [1]
      Stability constants [2]
      Stable isotope ecology [1]
      Stable isotopes [2]
      Stable Pb isotope [1]
      Stable Pb isotopes [1]
      stable Pb isotopes [1]
      stable rational matrix functions [3]
      Stacked GMO [1]
      stadsbeplanning [1]
      stakeholder participation [1]
      Stakeholders [4]
      stakeholders [1]
      Standardisation [2]
      Standardising Instrument/Questionnaire [1]
      Staphylococci [1]
      Staphylococcus aureus [2]
      Star formation [2]
      Star-forming regions [1]
      Starch [1]
      Starch mobilization [1]
      STARMEM™ [1]
      Stars [1]
      Stars – rotation [1]
      stars: activity [2]
      Stars: AGB and post-AGB [1]
      Stars: binaries: general [1]
      Stars: black holes [1]
      Stars: chemically peculiar [2]
      stars: chemically peculiar [2]
      Stars: early-type [1]
      Stars: emission-line [1]
      Stars: emission-line, Be [1]
      Stars: formation [12]
      stars: formation [3]
      stars: formation; stars: pre-main sequence [1]
      Stars: individual [3]
      Stars: individual (LS 5039) [1]
      stars: individual: 1FGL J1018.6-5856 [1]
      Stars: individual: G25.65+1.05 [1]
      Stars: individual: HD 217522 [1]
      Stars: individual: J1940 [1]
      stars: individual: LS 2883 [1]
      Stars: magnetars [5]
      Stars: magnetic field [5]
      Stars: magnetic fields [1]
      Stars: mass-loss [1]
      Stars: massive [6]
      Stars: neutron [16]
      stars: neutron [2]
      Stars: oscillations [2]
      stars: oscillations [2]
      Stars: protostars [5]
      stars: pulsars: general [1]
      Stars: rotation [1]
      Stars: supernovae: general [1]
      Stars: variables: other [1]
      Stars: winds [1]
      Stars: winds, outflows [4]
      stars: winds, outflows [1]
      starspots [1]
      start of rainfall [1]
      starved crabs [1]
      STAT2 [1]
      state communication [1]
      state funding [1]
      state of the art [1]
      State of the environment reporting [1]
      State space realizations [1]
      State space representation [1]
      state space representations [2]
      State-space-similarity theorem [1]
      Statins [1]
      stationarity [1]
      Statistical design of experiments [1]
      Statistical error [1]
      Statistical language modeling [2]
      Statistical physics [1]
      Status [2]
      Status consumption [1]
      Stavudine [3]
      Steady-state water chemistry model [1]
      Steam flow [2]
      stedelike funksie [1]
      Stedelike randsprei [1]
      stedelike sisteem [1]
      stedelike vernuwing [1]
      Steel [4]
      Steer [1]
      Stegastes [1]
      Stegelletina [1]
      Steinberg triality [1]
      Steinernema monticolum group [1]
      Stellar accretion disks [1]
      Stellar evolution [1]
      Stellar jets [1]
      Stellar mergers [1]
      Stellar oscillations [1]
      Stellar surface [1]
      Stem [1]
      Stem borer [5]
      Stem borers [2]
      stem borers [3]
      Stemborer [1]
      Stenetriidae [1]
      Stenobermuda [1]
      Stenostelma ligulatum [1]
      Stenostelma umbelluliferum [1]
      Stenostelma urceolatum [1]
      Stercoraria [1]
      Sterics [1]
      Stewardship [1]
      Stigma [1]
      Stigmaeidae [2]
      stigmaeidae [1]
      Stigmaeus Koch [1]
      Stimulation [1]
      Stochastic differential equations [4]
      stochastic differential equations [3]
      Stochastic intensity modelling [1]
      Stochastic process [4]
      stochastic process [1]
      Stochastic process with continuous parameter [1]
      stochastic processes [1]
      stochastic programming [2]
      Stochastic volatility [1]
      Stochastic volatility model [1]
      Stock market [1]
      Stockholm Convention [2]
      Stockholm convention [1]
      Stockpile [1]
      stockpiles [1]
      Stockpiling [1]
      Stomata [1]
      Stomatal limitation [1]
      Stomatale geleiding [1]
      Stomate [1]
      stopped process [1]
      Stopping time [1]
      stopping time [1]
      Storage [1]
      Storage function [2]
      Storage pests [1]
      Storage practices [1]
      Store choice [1]
      Store loyalty [1]
      Store satisfaction [1]
      Storm events [1]
      Storm surge [1]
      Stove ranking [1]
      Stoves [1]
      Strain difference [1]
      Strain scanning [1]
      Strategic [1]
      Strategic assessment [1]
      Strategic Environmental Assessment [1]
      Strategic environmental assessment [2]
      Strategic environmental assessment (SEA) [2]
      Strategic management [1]
      Strategic plan [1]
      Strategies, methods, and materials [1]
      Strategy [1]
      Strategy execution [1]
      Strategy planning [1]
      Stratification [1]
      stream flow [1]
      Stream interfaces [1]
      Stream sediments [1]
      Streams [1]
      streekontwikkelingsbeleid [1]
      street dust [1]
      street trading [1]
      Strength [3]
      strength [1]
      Strength exercise [1]
      Strength test [1]
      Strength training [3]
      strength training [2]
      Strengths [1]
      Strenuous exercise [1]
      strenuous exercise [1]
      Streptococc [1]
      Streptococci [1]
      Streptozotocin [2]
      Stress [3]
      Stress physiology [1]
      Stressor [1]
      Stretching Sheet [1]
      Striatum [1]
      strictly convex Banach space [1]
      String-net [1]
      Strobilurins [1]
      Stroke [1]
      Stromal interacting protein 1 (STIM1) [1]
      Strong tightness [1]
      Strongylopus [2]
      Strontium isotope [1]
      Structural control [1]
      Structural equation model [1]
      structural equation model [1]
      Structural equation modeling [1]
      structural equation modeling [1]
      Structural equation modelling [2]
      Structural equation modelling (SEM) [1]
      structural equation modelling (SEM) [1]
      Structural properties [5]
      structural studies [1]
      Structural vascular disease [1]
      Structure-activity relationships [1]
      Structured operators [1]
      Structured singular value [1]
      Student [2]
      Student coaches and factors [1]
      Student dropout [1]
      Student dropout rate [1]
      student participation [1]
      Student ranking [1]
      student ranking [1]
      Student retention [1]
      Student satisfaction [1]
      Student-athlete [1]
      Student-athletes [1]
      Student-readiness [1]
      Student-teachers [1]
      Students [2]
      students [2]
      Students at risk [1]
      stuksgewyse lineêre regressie [1]
      Stunting [1]
      Styrene [1]
      Styrene oxidation [1]
      Styrene Phenylglyoxylic acid [1]
      Sub-concussion [1]
      Sub-lethal effects [1]
      sub-microscopic approach [1]
      Sub-microscopic particles [1]
      Sub-Saharan [1]
      Sub-Saharan Africa [2]
      sub-sample size [1]
      Sub-tribe Asclepiadeae [1]
      Sub-tropical [1]
      Subaerial [1]
      Subanguina [1]
      Subclinical atherosclerosis [1]
      Subdiagonal algebras [1]
      Subdiagonal operator algebra [2]
      subequations [1]
      Subjective well-being [2]
      subjective well-being [1]
      Subjectivity [1]
      Submaximal [1]
      Submicrometer aerosols [1]
      Submicron particles [1]
      Submillimeter: ISM [2]
      Subnasionale regerings [1]
      Subnational governments [3]
      subprime investing bank [1]
      Subprime mortgage crisis [1]
      subprime mortgage crisis [1]
      subsistence agriculture [1]
      Subsistence Farming [1]
      Substance Abuse [1]
      Substance use [1]
      Substantive [1]
      substantive effectiveness [1]
      Substorm [1]
      Substrate conditions [1]
      Substrate scope [1]
      Substratum specificity [1]
      Subterranean ecosystems [1]
      subterranean environments [1]
      Subterranean pests [1]
      Subthalamic nucleus [1]
      Subtropical [1]
      Subtropical Olifants River Basin [1]
      Subunit vaccine [1]
      Successful schools [1]
      Succession [1]
      succession [1]
      Succinamide [1]
      Succinate [1]
      Succinylacetone [1]
      succulent [1]
      Succulent Karoo [1]
      succulent Karoo hotspot [1]
      Sudan [1]
      Sudoku [1]
      Sugarcane [1]
      sugarcane [2]
      Sugarcane cultivation [1]
      Sugarcane farmers [1]
      Suid-Afrika [2]
      Suitability analysis [1]
      suksesfaktore [1]
      Sulfadoxine-pyrimethamine [1]
      Sulfamethoxazole [1]
      Sulfate [1]
      Sulfation [1]
      sulfation [1]
      Sulfide chemistry [2]
      Sulfolane [1]
      Sulfonated fluorophenyl-sulfone polybenzimidazole (sFS-PBI) [1]
      Sulfonated poly(p-phenylenediamine) [1]
      Sulfonation [1]
      sulfonation [2]
      Sulfur dioxide crossover [1]
      Sulfur isotopes [2]
      Sulfuric acid [2]
      Sulphate [1]
      sulphates [1]
      Sulphonation [1]
      Sulphur capturing [1]
      Sulphur deposition [1]
      Sulphur dioxide [6]
      sulphur dioxide [1]
      Sulphuric acid [1]
      sulphuric acid [1]
      SULT1A1 [1]
      SULT1A1*1 [1]
      SULT1A1*2 [1]
      Sun [1]
      Sun-drying [1]
      Sun-photometer measurements [1]
      Sun: activity [8]
      Sun: coronal mass ejections (CMEs) [1]
      sun: coronal mass ejections (CMEs) [1]
      sun: flares [2]
      Sun: heliosphere [39]
      sun: heliosphere [8]
      Sun: magnetic fields [4]
      Sun: particle emission [4]
      sun: particle emission [2]
      Sun: radio radiation [1]
      sun: X-rays [1]
      Sunflower [1]
      sunflower [2]
      Sunflower Oil [1]
      Sungai Brunei [1]
      Sunspot detection [1]
      Super Hamiltonian structure [1]
      Super novae [1]
      Super Q [1]
      Superabsorbent [1]
      supercell [1]
      Supercell thunderstorms [1]
      Supercontinents [1]
      supercontinents [1]
      Supercritical carbon dioxide [1]
      Supercritical carbon dioxide (sc-CO2) [1]
      SuperDARN SANAE radar [1]
      Superfund sites [1]
      Supermarket [1]
      Supernova remnants 95.85.Pw [1]
      Supernovae: general [2]
      Supernovae: individual (IC 443) [1]
      Supernovae: individual (SNR G40.5–0.5) [1]
      Supernovae: individual: Crab Nebula [1]
      supernovae: individual: HESS J1818-154 [1]
      Supernovae: individual: SN 1006 (G327.6+14.6) [1]
      Superoxide dismutase [2]
      supervising agent [1]
      supplementation [1]
      Supply chain [1]
      Support [3]
      Support vector machine [1]
      support vector machines [1]
      Supporting [1]
      Surface [1]
      surface aquatic ecosystems [1]
      surface electromyography [1]
      Surface energy [1]
      Surface imaging [1]
      Surface ozone trends [1]
      Surface plasmon resonance [1]
      Surface water [2]
      surface water [1]
      Surface water sources [1]
      Surface water systems [1]
      surface waters [2]
      Surfactant [2]
      Surgeonfish [1]
      Surirella [2]
      Surirellaceae [1]
      Surjective and injective hull [1]
      Surrogate [1]
      Survey [1]
      survey [1]
      Surveys [8]
      surveys [2]
      Survival [2]
      survival [2]
      Survival analysis [4]
      survival analysis [1]
      survival and development [1]
      Survival model [1]
      Susceptibility [5]
      susceptibility [2]
      Susceptible [1]
      susceptible [1]
      Sustainability [5]
      Sustainability assessment [4]
      sustainability assessment [1]
      Sustainability in higher education [1]
      Sustainable agriculture [2]
      Sustainable change [1]
      Sustainable consumption [1]
      Sustainable development [8]
      sustainable development [2]
      Sustainable development goals [1]
      sustainable diets [1]
      Sustainable economic recovery [1]
      Sustainable environments [1]
      Sustainable land management [3]
      sustainable land management [1]
      Sustainable livelihoods [1]
      sustainable management [1]
      Sustainable packaging [1]
      Sustainable production [1]
      Sustainable rural livelihood [1]
      Sustainable tourism [1]
      Sustainable urban design [1]
      Sustainable urban form [1]
      Sustainable urban infrastructure [1]
      Sustainable urban planning [1]
      Sustained [1]
      Sustained release [1]
      Swallows [1]
      Swans [1]
      Swarming motility [1]
      SWAT+ model [1]
      Swaziland [2]
      SWEBOK [1]
      Sweet potato [1]
      Sweet sorghum bagasse [1]
      Swelling [2]
      Swimming behaviour [1]
      Sylow p-subgroups [1]
      Symbiosis [3]
      Symbolic brands [1]
      Symbolic computation [2]
      symbolic computation [1]
      Symmetric and quasi-symmetric designs [1]
      Symmetric Banach-Finsler manifolds [1]
      symmetric designs [1]
      Symmetric distributions [1]
      Symmetric operators [1]
      Symmetries [1]
      Symmetry [1]
      symmetry classification [1]
      Symmetry test [2]
      Symmetry testing [1]
      symmetry transformation [1]
      sympathetic activity [1]
      Sympatry [1]
      Symplectic group [1]
      symplectic group [1]
      symplectic groups [1]
      Symplectic matrix [1]
      symptom [2]
      Symptoms [2]
      Synapomorphy [1]
      Synergism [3]
      Synergist [2]
      synergistic effect [1]
      Synergistic interaction [1]
      synergistic interaction [1]
      Synkrotima [1]
      Synodontella zambezensis [1]
      Synodontis [1]
      Synodontis zambezensis [1]
      Synonomy [2]
      synonymy [2]
      Syntax [1]
      Synthesis [4]
      Synthetic [1]
      Synthetic insecticides [1]
      Synthetic jet fuel [1]
      Syria [1]
      System development [1]
      System Development Methodologies [1]
      System development methodologies [1]
      system development methodologies [1]
      System software [1]
      Systematic Review [1]
      Systematic review [2]
      Systematics [20]
      systematics [3]
      Systemic complications [1]
      systemic risk [1]
      Systems analysis and design [2]
      Systems approach [1]
      systems development methodologies [2]
      systole [1]