Silica GelQuartzSilicon DioxideQuartz Crystal Microbalance TechniquesGelsChromatography, Thin LayerSilicosisDustThreshold Limit ValuesChromatography, High Pressure LiquidFermentationAdsorptionPhysicochemical PhenomenaChemistry, PhysicalStreptomycesSurface PropertiesSpectrophotometry, InfraredBenzylammonium CompoundsMagnetic Resonance SpectroscopyMolecular StructureBoric AcidsEthylenethioureaCarbon Compounds, InorganicPolyvinylpyridine N-OxideChromatographyOccupational ExposureSilicon CompoundsPneumoconiosisMiningCoal MiningParticle SizeSilanesCoccidiostatsForssman AntigenSilver NitrateHexanesSpectrophotometry, UltravioletSpectrometry, Mass, Fast Atom BombardmentIndicators and ReagentsInhalation ExposureAir Pollutants, OccupationalMetals, Rare EarthDensitometrySpectrophotometry, AtomicPlant ExtractsEnzymes, ImmobilizedChemistryDiatomaceous EarthChromatography, GasChemical PhenomenaCerebrosidesMicroscopy, Electron, ScanningSilicic AcidMethodsNiobiumMicrochemistryAluminum SilicatesBiosensing TechniquesHydrogen-Ion ConcentrationStigmasterolSpectrum AnalysisMass SpectrometryStereoisomerismFungiCalibrationGlycolipids