Oil Shale

2001 Estonian Academy absolute horizontal deformations alkylresorcinol ash deposits ash particles Baltic Sea Belarus boiler heating surfaces calculated caldera lakes chemical cobalt coefficient column combustion complex concentration conifers correlation corrosion of heating corrosive activity crown damage class decrease diatremes Dictyonema shale durability of pillars dust Eesti elution Engineering Environ environmental equation Estonian Academy Publishers Estonian oil shale flue gas fluorescence fly ash Forest formation fouling and corrosion fraction gas stream humic acids humic substances hydrophobic Ilmar Opik influence Kohtla-Jarve Kunda cement plant laboratory leaching low-temperature heating surfaces method mining molecular weight needles nitrite Norway spruce oil shale industry oil shale PF Oil Shale Research optical density pollution load radial increment Rechitsa samples Scots pine seawater shale PF boilers Sillamae size exclusion chromatography sulfate sulfuric acid Tallinn Technical University technologies temperature tion trees uranium values XAD-2 resins Zhlobin