Now showing items 1-443 of 443

      Subject
      Race typing [1]
      Racemic resolution [1]
      Radar [1]
      Radar graphs [1]
      Radial basis function interpolation [1]
      Radial basis function neural network [1]
      Radiation [1]
      radiation mechanisms: non-thermal [1]
      Radiation-Measurement [1]
      Radiation-Safety measures [1]
      Radiative cooling [2]
      Radical scavenging [1]
      radio [1]
      Radio astronomy [1]
      radio astronomy [1]
      Radio continuum [1]
      radio free-free emission [1]
      Radio galaxies [1]
      radio lines - Masers [1]
      Radio lines: ISM [2]
      Radio recombination lines [1]
      Radio telemetry [1]
      Radio telescope receiver [1]
      Radioactive substance in [1]
      Radioactivity [3]
      Radioactivity-Safety measures [1]
      Radioisotope [1]
      Radioisotopes [1]
      Radiometric risk assessment [1]
      Radionuclide [1]
      Radionuclide generators [1]
      Radionuclide speciation [1]
      Radioteleskoop ontvanger [1]
      Radium equivalent activity [1]
      Radon measures [1]
      Rain gauge data quality control [1]
      Rain intensity [1]
      Rain rates [1]
      Rainbow trout [1]
      Rainfall [2]
      Rainfall estimation Kriging [1]
      Rainfall variability [2]
      Rainfall-runoff model [1]
      Ralstonia solanacearum [1]
      Raman spectroscopy [1]
      Ramsar [3]
      Rand [1]
      Rand Highveld Grassland [1]
      Randfontein [1]
      Random Forest [1]
      Random Linear Network Coding [1]
      Random measures [1]
      Random Number Generation [1]
      Random number generator [1]
      Randse Hoëveld Grasveld [1]
      Range expansion [1]
      Rangeland [1]
      Rangeland condition [2]
      Rangeland degradation [2]
      Rangeland degradation and management [1]
      Rangelands [3]
      Ranking prioritisation [1]
      RAPD [2]
      RAPDs [1]
      Raphanus [1]
      Rapid Assessment [1]
      Rapid rural appraisal [1]
      rapid-onset disasters [1]
      Rare variant [1]
      Ratio of two exponential parameters [1]
      Rational symbol [1]
      Rationalsymbol [1]
      Raw materials formulations [1]
      Rayleigh distribution [2]
      RBBP6 [1]
      rbcL [1]
      RCW 34 [2]
      RDF [1]
      RDP (Reconstruction and Development Program) [1]
      RDP housing [1]
      Re-acceleration [1]
      Re-coded objectives [1]
      Re-folding [1]
      Re-growth [1]
      Re-seeding [2]
      Re-use [1]
      re-vegetation [1]
      Re-watering of dolomitic compartments [1]
      Rea Vaya [1]
      Reaction evaluation [1]
      Reaction pathway [1]
      Reactive nitrogen species [1]
      Reactive oxygen species [5]
      reactive oxygen species [1]
      Reactive oxygen species (ROS) [1]
      Reactive sputtering [1]
      Reactivity Coefficients [1]
      Reading coordinates [1]
      Reaksiepad [1]
      Reaktiewe suurstof spesies [1]
      Real interpolation theory [1]
      Real noncommutative functions [1]
      Real Time quantitative Polymerase Chain Reaction [1]
      Real-time methylation-specific PCR [1]
      Real-time PCR [2]
      Real-time PCR/ qPCR [1]
      Realistic mathematics education (RME) [1]
      Rearing [1]
      receiving wastewater [1]
      Receptor genes [1]
      Receptor-oriented source apportionment [1]
      Receptors [1]
      Recharge [1]
      Recombinant enzyme production [1]
      Recombinant GLYAT [1]
      Recombinant protein expression [1]
      Recommendations [1]
      Recovery [3]
      Recovery rate [1]
      Recruitment [2]
      Recruitment bottleneck [1]
      Rectification [1]
      Recurrent cosmic ray variations [1]
      Recurrent cosmic-ray variations [2]
      Recurring traffic congestion [1]
      Recycling [6]
      Red grape pomace [1]
      Red meat [1]
      Red-copper coupons [1]
      Redlich-Mayer type equation [2]
      Redox zones in gold mine tailings [1]
      Redoximorphic characteristictics [1]
      Reduction [1]
      reduction [1]
      reduction in safety defects [1]
      Reduction of environmental damage [1]
      redundancy analysis [1]
      Reënval [1]
      Reference condition [1]
      Reference conditions [1]
      Reference evapotranspiration [1]
      Reflection [1]
      Reflective practice [1]
      Refleksie [1]
      reflux classification [1]
      Reform [1]
      Refuge compliance [1]
      refugia [1]
      Refuse and refuse disposal [1]
      Regeneration [1]
      Regional climate models [1]
      Regional economic development [1]
      Regional economic resilience [1]
      regional growth [1]
      Regional integration [1]
      regional integration [1]
      Regional land use planning [1]
      Regional planning [1]
      regional planning [1]
      regional planning and policy [1]
      Regional planning instruments [1]
      Regional policy [2]
      Regional resilience [2]
      Regional risk assessment [1]
      Regional structural geology [1]
      Registrasievereistes [1]
      Registration requirements [1]
      Regression [2]
      regression analysis [2]
      Regression based index tracking [1]
      Regressions [1]
      Regret [1]
      Regulating [1]
      Regulation [2]
      Regulator perception [1]
      Regulators [3]
      Regulatory capital [1]
      Regulatory evaluation [1]
      Regulering [1]
      Reguleringsliggaam [1]
      Rehabilitasie [3]
      Rehabilitation [13]
      rehabilitation [1]
      Rehabilitation fund [1]
      Rehabilitation plan [1]
      reheating furnaces [1]
      Reintroduction [1]
      Rekenaarlêerformaatidentifisering [1]
      Rekenaarlêerfragmentformaatidentifisering [1]
      Rekenaarwetenskaponderwys [1]
      Rekombinante ensiem uitdrukking [1]
      relatedness [1]
      Relational Database [1]
      Relational database [1]
      Relationships [1]
      relative abundance [1]
      Relative biological effectiveness (Radiobiology) [1]
      Relative enzyme activity [1]
      Relative risk assessment [1]
      Relative trade advantage [1]
      relativistic astrophysics [1]
      Relevance [1]
      Reliability and validity [1]
      Remediation [4]
      remediation [1]
      Remote Sensing [1]
      Remote sensing [9]
      Removal [1]
      Renal system [1]
      Renewable Energy [1]
      Renewable energy [4]
      Renewable Energy Projects [1]
      Renien [1]
      Renin [1]
      Report quality [1]
      Report quality review [1]
      Reporter-gene assays [1]
      reporting [1]
      Reproducibility [1]
      Reproduction [3]
      reproduction [1]
      Reproduction potential [3]
      Reptile [1]
      Republic of South Africa (RSA) [1]
      Rescue [1]
      Research [3]
      Research exposure [1]
      Research methodology [1]
      Research paradigms [1]
      Reserve [2]
      reserve determination [1]
      Reservoirs [1]
      Residence time [1]
      Residensiële verbandlenings verwysingsproses [1]
      Residential mortgage loan (RML) [1]
      Residential mortgage-backed securities (RMBSs) [1]
      Residential mortgage-backed security (RMBS) [1]
      Residential solid fuel combustion [2]
      residential solid fuel use [1]
      Residents [1]
      Residual radioactivity [1]
      residues [1]
      Resilience [7]
      resilience [2]
      Resilience assessment approach [1]
      Resistance [10]
      Resistance development [2]
      resistance development [1]
      resistance management [1]
      Resolution [1]
      resource allocation [1]
      Resource efficiency [1]
      Resource estimation [1]
      Resource management [2]
      Resource Quality Objectives [3]
      Resource quality objectives [2]
      Resource utilisation [1]
      resource-poor farmers [1]
      Resources [1]
      resources directed measures [1]
      Respirable particulate matter [1]
      Respiration [1]
      Respiratoriese kettingdefekte [1]
      Respiratory chain [1]
      Respiratory chain deficiencies [2]
      Respiratory chain deficiency [2]
      Respiratory chain disorders [1]
      Response [1]
      Response diversity [1]
      Responsible environmental behaviour [1]
      Responsible tourism [2]
      Resrad [1]
      Restaurant waste [1]
      resting metabolic rate [1]
      Resting metabolic rate (RMR) [1]
      Restorasie [1]
      Restorasietegnologieë [1]
      Restoration [6]
      Restoration monitoring [1]
      Restoration of riparian areas [1]
      Restoration technologies [2]
      Retail credit [1]
      Return to play [1]
      Reuse [2]
      Revenue recycling [1]
      Reverse genetics [2]
      reverse genetics [2]
      Reverse genetics (RG) [1]
      Reverse osmosis [1]
      Reverse transcription polymerase chain reaction (RT-PCR) [1]
      Reverse transcription real-time PCR (RT-qPCR) [1]
      Review Areas [1]
      Review guide [1]
      Review package [2]
      RFLP [1]
      Rhabdosargus sarba [1]
      RHAMM (Rapid Habitat Assessment Method and Model) [1]
      Rhipicephalus sanguineus [1]
      Rhizobacteria [1]
      Rhizoctonia solani [1]
      Rhizopheric [1]
      Rhizosphere [3]
      Rhizosphere soil [1]
      Rhodes grass [1]
      Rhodium [1]
      Ribosomal RNA [1]
      Ricinus communis [1]
      Rickettsia africae [1]
      Rickettsia sp. [1]
      Rickettsia spp [1]
      Riesz ruimte [1]
      Riesz space [1]
      Riesz spaces [1]
      Rietfontein Complex [1]
      Rietvlei Dam [1]
      Rietvleidam [1]
      Rifampicin-resistance [1]
      Rigid structures [1]
      Ring-opening metathesis polymerisation [1]
      Riparian corridors [2]
      Riparian landscapes [1]
      Riparian vegetation [3]
      Riparian vegetation transformation [1]
      Riparian zone [2]
      Risiko assessering [1]
      Risiko assesserings [1]
      Risikobestuurs opsies [1]
      Risikos [1]
      Risk [1]
      risk [1]
      Risk assessment [11]
      Risk awareness strategy [1]
      Risk communication [1]
      Risk contributions [1]
      Risk factors [2]
      Risk homeostasis [1]
      Risk Management [2]
      Risk management [1]
      Risk management options [1]
      Risk mitigation strategies [1]
      Risk score [1]
      Risk-based investing [1]
      Risks [3]
      risks and opportunities [1]
      Riurnal [1]
      RIVDINT (River Data Integration System) [1]
      River [1]
      River dischange [1]
      River morphology [1]
      River2D [1]
      Rivers [1]
      Rivieroewerplantegroei [1]
      Rivieroewers [1]
      Rivieroewersone [1]
      RML reference process [1]
      RNA [1]
      Road [1]
      Road pricing [1]
      Road Side Vegetation [1]
      Roan antelope (Hippotragus equinus) [1]
      Robin boundary conditions [1]
      Robot swarms [1]
      Robust regression [1]
      Rock art [1]
      Rodents [1]
      Roertoetse [1]
      Rojected Over-Relaxation method (PSOR) [1]
      Rol van viroplasmas [1]
      Rol van vroue in oorwegend landelike gebiede [1]
      Role of viroplasms [1]
      Role of women in predominantly rural areas [1]
      role players [1]
      ROMP [1]
      Roosterontwerp [1]
      Root anatomy [1]
      Root and crown rot [1]
      Root discolouration [1]
      Root exudates [1]
      root system architecture [1]
      root-knot nematode [1]
      Root-knot nematodes [6]
      Rosa roxburghii [1]
      Rotating disc electrode [1]
      Rotating disk electrode [1]
      rotation measure [1]
      Rotational Moulding [1]
      Rotavirus [7]
      Rotavirus (RV) [1]
      Rotavirus DS-1 strain [1]
      Rotavirus genogroup [1]
      Rotavirus SA11 strain [2]
      rotavirus SA11 strain [1]
      Rotavirus transcript translation [1]
      Rotavirus transkrip translasie [1]
      Rotavirus virus-like particles [1]
      Rotavirus virusagtige partikels [1]
      Rotavirus Wa and SA11 strains [1]
      Rotavirus Wa en SA11 variante [1]
      Rotavirus-like particles [1]
      Rotenone [1]
      Rotor Blades [1]
      Rotylenchulus parvus [1]
      RoundUp ® Ready (RR) sojaboon [1]
      RoundUp ® Ready (RR) soybean [1]
      Row spacing [1]
      RPLI [1]
      RPSI [1]
      RS 230 [1]
      RT-LAMP [1]
      RT-PCR [1]
      RT-qPCR [1]
      Rubbish [1]
      Rubisco [1]
      Ruderal [1]
      Rugby [1]
      Rugby unie spelers [1]
      Rugby union [1]
      Rugby union players [1]
      Ruimtelike beplanning [2]
      Ruimtelike beplanning en sektor planne [1]
      Ruimtelike gesegregeerde nedersettings [1]
      Ruimtelike integriteit [1]
      Running modalities [1]
      Running performance [1]
      Rural [2]
      Rural and peri-urban informal settlements [1]
      Rural areas [2]
      Rural communities [3]
      Rural community [1]
      Rural heterogeneity [1]
      Rural landscapes [1]
      Rural planning [1]
      Rural settlements [2]
      Rural subsistence households [1]
      Rust [1]
      Rustenburg [1]
      Rustenburg Layered Suite [1]
      rustende metaboliese tempo [1]
      Rustende metabolism (RM) [1]
      Ruta graveolens [1]
      Ruthenium carbene catalysts [1]
      Ruthenium-carbene [1]
      Ruthenium-indenylidene [1]