Determination of Heating Value of Estonian Oil Shale by Laser-Induced Breakdown Spectroscopy von Riisalu, H., Piip, K., Laan, M., Paris, P., Aints, M., Tufail, I.

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DETERMINATION OF THE CALORIFIC VALUE AND MOISTURE CONTENT OF CRUSHED OIL SHALE BY LIBS von Aints, Mart, Paris, Peeter, Tufail, Iram, Jogi, Indrek, Aosaar, Hardi, Riisalu, Hella, Laan, Matti

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THE INFLUENCE OF PHENOLS AND OTHER COMPOUNDS ON CHEMICAL OXYGEN DEMAND (COD) OF PHENOLIC WATERS FROM THE KIVITER PROCESS von KEKISHEVA, L, SMIRNOV, I, OSTROUKHOV, N, PETROVICH, N, SITNIK, V, RIISALU, H, SOONE, Y

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Application of diffuse reflectance spectroscopy for quick laboratory assessment of Estonian oil shale quality von Tufail, Iram, Paris, Peeter, Jogi, Indrek, Aints, Mart, Siiman, Andres, Riisalu, Hella, Laan, Matti

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Fuel additives based on shale oil von Jarviste, R. T., Muoni, R. T., Soone, J. H., Riisalu, H. J.

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Change in the properties of diesel fuel during its storage von Muoni, R. T., Jarviste, R. T., Soone, J. H., Riisalu, H. J.

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Diesel fuel oxidation in storage von Jarviste, R. T., Muoni, R. T., Soone, J. H., Riisalu, H. J., Zaidentsal’, A. L.

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Loodusõpetus III klassile von Wick, H (co-author), publishing house Light (publisher), Tiits, H (kaasautor), Riisalu, J (kaasautor), Prikk, E (autor), kirjastus Valgus (väljaandja)

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