Olulisemad publikatsioonid ja patendid

Patendid 2018:  
EE 05807 B1 Meetod tööprotsessi ja töötehnoloogia analüüsimiseks
EE 05801 B1

 Patendid 2015−2017:

EE 057848 B1 Lämmastiklõhkamismeetod biomassi rakustruktuuri lõhkumiseks
EE 05748 B1 Lignotselluloossest biomassist etanooli tootmise integreeritud läbivooluline seade
EE 05740 B1 Kanepikoristi
EE 05741 B1 Lisatoitesüsteem vedelate biokütuste doseerimiseks survesüütega mootorisse


Olt, J.; Maksarov, V. V.; Krasnyy, V. A. (2018). Provision of adhesion strength of gas-thermal coatings on piston rings of quarry transport engines. Journal of Mining Institute, 229, 77−83.10.25515/PMI.2018.1.77.

Arak, Margus; Soots, Kaarel; Starast, Marge; Olt, Jüri (2018). Mechanical properties of blueberry stems. Research in Agricultural Engineering (RAE), 64 (4), xxx−xxx [ilmumas].

Bulgakov, V.; Nikolaenko, S.; Adamchuk, V.; Ruzhуlo, Z.; Olt, J. (2018). Theory of retaining potato bodies during operation of spiral separator. Agronomy Research, 16 (1), 41−51.10.15159/AR.18.036.

Bulgakov, V.; Nikolaenko, S.; Adamchuk, V.; Ruzhylo, Z.; Olt, J. (2018). Theory of impact interaction between potato bodies and rebounding conveyor. Agronomy Research, 16 (1), 52−63.10.15159/AR.18.037.

Bulgakov, V.; Bandura; V.; Arak, M.; Olt, J. (2018). Intensification of rape seed drying process through the use of infrared emitters. Agronomy Research, 16 (2), 349−356.10.15159/AR.18.054.

Olt, J.; Maksarov, V. V.; Krasnyy, V. (2018). Pre-surface preparation features when applying wear resistant composite sprayed coatings. Építőanyag - Journal of Silicate Based and Composite Materials, 70 (2), 34−37.10.14382/epitoanyag-jsbcm.2018.7.


Olt, J.; Maksarov, V.; Keksin, A. (2018). Internal thread cutting process improvement based on cutting tools treatment by composite powders in a magnetic field. Építőanyag - Journal of Silicate Based and Composite Materials , 70(4), 128−131.10.14382/epitoanyag-jsbcm.2018.24.

Bulgakov, V.; Nikolaenko, S.; Arak, M.; Holovach, I.; Ruzhуlo Z.; Olt, J. (2018). Mathematical model of cleaning potatoes on surface of spiral separator. Agronomy Research, 16 (4), 1590−1606.10.15159/AR.18.173.

Bulgakov, V.; Adamchuk, V.; Arak, M.; Olt, J. (2018). The theory of cleaning the crowns of standing beet roots with the use of elastic blades. Agronomy Research, 16 (5), 1931−1949.10.15159/AR.18.213.

Raide, Veljo; Ilves, Risto; Küüt, Arne; Olt, Jüri (2018). Development of heat exchange reactor for preparation of air-fuel mixture in spark ignition engine. ENGINEERING FOR RURAL DEVELOPMENT, 2040−2047.

Tärgla, Tanel; Olt, Jüri; Liivapuu, Olga (2018). Simulation of plastic deformation and destruction in the process of chip formation. MATEC Web of Conferences , 211, 1−5.10.1051/matecconf/201821117007.

Raud, Merlin; Rooni, Vahur; Kikas, Timo (2018). The Efficiency of Nitrogen and Flue Gas as Operating Gases in Explosive Decompression Pretreatment. Energies, 11 (2074).10.3390/en11082074.

Rocha-Meneses, Lisandra; Ivanova, Anastasia; Atouguia, Guilherme; Ávila, Isaac; Raud, Merlin; Orupõld, Kaja; Kikas, Timo (2018). The effect of flue gas explosive decompression pretreatment on methane recovery from bioethanol production waste. Industrial Crops And Products, 127, 66−72.10.1016/j.indcrop.2018.10.057.

Raud, Merlin; Rooni, Vahur; Kikas, Timo; (2018). Explosive decompression pretreatment - nitrogen or flue gas? European Biomass Conference and Exhibition Proceedings, 2018: 26th European Biomass Conference, 14-17 May 2018, Copenhagen, Denmark. ETA-Florence Renewable Energies, 973 −978.10.5071/26thEUBCE2018-3CO.7.1.

Raud, Merlin; Kikas, Timo; Sippula, Olli; Shurpali, Narasinha (2018). Potential and challenges in lignocellulosic biofuel production technology. Renewable and Sustainable Energy Developments Beyond 2030. Proceedings of the 11th International Conference on Sustainable Energy & Environmental Protection, 2, 115−120.

Bulgakov, V.; Melnik, V.; Ruzhylo, Z.; Arak, M.; Olt, J.; Ihnatiev, Y. (2018). Justification of scientific and practical approaches to rational use of straw and plant residues. Proceedings. Volume 2. Uses of Machines. Innovative Technologies. Conserving Soils and Water., 2: VI International Scientific Congress "Agricultural Machinery", Burgas, Bulgaria, 25-06-28.06. 2018. Scientific-Technical Union of Mechanical Engineering, 195−198.

Olt, J.; Maksarov, V.; Efimov, A. (2018). Impacts of Gradient Structure on the Dynamic Characteristics of Machining Process System. In: B. Katalinic (Ed.). Proceedings of the 29th DAAAM International Symposium (0190−0196). Vienna, Austria: DAAAM International Vienna.10.2507/29th.daaam.proceedings.027.

Küüt, Arne; Ilves, Risto; Küüt, Keio; Ritslaid, Kaie; Olt, Jüri (2018). Euroopa Liidu õigusaktide mõju vedelate biokütuse kasutamisele transpordisektoris. Taastuvate energiaallikate uurimine ja kasutamine: TEUK: 8. november 2018, Tartu, Eesti Maaülikool. Toim. Vollmer, Elis; Lehis, Margit. Eesti Maaülikool, 41−56.

Olt, J.; Kikas, T.; Meneses, L. (2018). 9th International Conference on Biosystems Engineering 2018. Book of Abstracts.

Pitman, Kätlin; Nerut, Jaak; Lust, Enn; Raud, Merlin; Kikas, Timo (2018). Measuring oxygen with different electrochemical arrays. Book of Abstracts: 9th International Conference Biosystems Engineering 2018. 9–11 May 2018, Tartu – Estonia. Eesti Maaülikool, 123−123.

Raud, Merlin; Rooni, Vahur; Kikas, Timo (2018). Explosive decompression pretreatment – nitrogen or flue gas? 9th International Conference Biosystems Engineering 2018 BOOK OF ABSTRACTS: 9th International Conference Biosystems Engineering 2018, 9-11.05.2018, Tartu, Estonia. Ed. Olt, Jüri; Kikas, Timo; Meneses, Lisandra. Tartu, Estonia: Eesti Maaülikool, 64−64.

Bulgakov, V.; Arak, M.; Boris, A.; Boris M.; Olt, J. (2018). Experimental study of the distribution of the heights of sugar beet root crown protrusion above the field surface level. Program & Abstracts' Book: XIX World Congress of CIGR. Sustainable Life for Children, Antalya, Turkey, 22-25 April 2018. CIGR Journal, 229.

Tärgla, T.; Olt, J.; Liivapuu, O. (2018). Simulation of plastic deformation and destruction in the process of chip formation. Book of Abstract: 14th International Conference on Vibration Engineering and Technology of Machinery, Lisbon, Portugal, 10-13 September 2018 (VETOMAC XIV). Ed. Nuno Maia; Zuzana Dimitrovova. Univrsity of Lisbon (IDMEC/IST/UL), 84.

Olt, J.; Maksarov, V.; Keksin, A. (2018). Internal Thread Cutting Process Improvement Based on Cutting Tools Treatment by Composite Powders in a Magnetic Field. Book of Abstracts: The 5th International Conference on Competitive Materials and Technology Processes; Miskolc-Lillafüred, October 8-12, 2018. Ed. L.A. Gömze. Igrex Ltd, Igrici, Hungary, 92

Bulgakov, V.; Adamchuk, V.; Arak, M.; Olt, J. (2017). A theoretical study of haulm loss resulting from rotor topper oscillation. Chemical Engineering Transactions 58, 223−228.10.3303/CET1758038.

Juhanson, K.; Merisalu, E. (2017). Ergonomic intervention programs in different economic sectors: a review article. Agronomy Research 15(1), 170−186.

Küüt, A.; Ilves, R.; Küüt, K.; Raide, V.; Ritslaid, K.; Olt, J. (2017). Influence of European Union Directives on the Use of Liquid Biofuel in the Transport Sector. Procedia Engineering, 30−39.

Maksarov, V., Khalimonenko, A., Olt, J. (2017). Managing the process of machining on machines on the basis of dynamic modelling for a technological system. Építőanyag - Journal of Silicate Based and Composite Materials 69 (2), 66−71.

Pitman, K.; Nerut, J.; Lust, E.; Franssila, S.; Raud, M.; Kikas, T. (2017). Electrooxidation of Hexacyanoferrate(II) Anions and Electroreduction of Oxygen in the Microfabricated Electrochemical Sensor-Array System. ECS Transactions 77(11), 1771−1782.10.1149/07711.1771ecst.

Pitman, Kätlin; Raud, Merlin; Scotti, Gianmario; Jokinen, Ville P.; Franssila, Sami; Nerut, Jaak; Lust, Enn; Kikas, Timo (2017). Electrochemical Characterization of the Microfabricated Electrochemical Sensor-Array system. Electroanalysis 29, 249−258.10.1002/elan.201600559.

Podkuiko, L.; Olt, J.; Kikas, T. (2017). Growth of Scenedesmus obliquus under artificial flue gas with a high sulphur concentration neutralized with oil shale ash. Proceedings of the Estonian Academy of Sciences 66(2), 151−158.10.3176/proc.2017.2.03.

Raide, V.; Ilves, R.; Küüt, A.; Küüt, K.; Olt, J. (2017). Existing state of art of free-piston engines. Agronomy Research 15(SI), 1204−1222.

Raud, Merlin; Mitt, Marion; Oja, Tõnu; Olt, Jüri; Orupõld, Kaja; Kikas, Timo (2017). Utilization potential of urban greening waste: Tartu case-study. Urban Forestry and Urban Greening, 21, 96−101.10.1016/j.ufug.2016.11.014.

Rocha-Meneses, Lisandra; Raud, Merlin; Orupõld, Kaja; Kikas, Timo (2017). Second-generation bioethanol production: A review of  strategies for waste valorisation. Agronomy Research 15(3), 830−847.

Rooni, Vahur; Raud, Merlin; Kikas, Timo (2017). Technical solutions used in different pretreatments of lignocellulosic biomass: a review. Agronomy Research 15(3), 848−858.

Rooni, Vahur; Raud, Merlin; Kikas, Timo (2017). The Freezing Pre-Treatment of Lignocellulosic Material: A Cheap Alternative for Nordic Countries. Energy, 139, 1−7.10.1016/j.energy.2017.07.146.

Soots, K., Olt, J. (2017). Non-stationary processing center for small and medium sized blueberry farms. Research in Agricultural Engineering (RAE), 3, 3, 136−144. 42/2015-RAE.

Adamchuk, V.; Bulgakov, V.; Skorikov, N.; Yezekyan, T.; Olt, J. (2016). Development a new design of wood chopper for grape vine and fruit tree pruning and the results of field testing. Agronomy Research 14(5), 1519−1529.

Adamchuk, A.; Bulgakov, V.; Nadykto, V.; Ihnatiev, Y.; Olt, J. (2016). Theoretical research into the power and energy performance of agricultural tractors. Agronomy Research 14(5), 1511−1518.

Bulgakov, V.; Adamchuk, V.; Gorobey, V.; Olt, J. (2016). Theory of the oscillations of a toothed disc opener during its movement across irregularities of the soil surface. Agronomy Research 14(3), 711−724.

Bulgakov, V.; Adamchuk, V.; Arak, M.; Nadykto, V.; Kyurchev, V.; Olt, J. (2016). Theory of vertical oscillations and dynamic stability of combined tractor-implement unit. Agromomy Research 14(3), 689−710.

Coggon, David; Ntani, Georgia; Walker-Bone, Karen; Palmer, Keith TDM; Felli, Vanda E; Harari, Raul; Barrero, Lope H; Felknor, Sarah A; Gimeno, David; Cattrell, Anna; Vargas-Prada, Sergio; Bonzini, Matteo; Solidaki, Eleni; Merisalu, Eda; Habib, Rima R; Sadeghian, Farideh; Kadir, M Masood; Warnakulasuriya, Sudath SP; Matsudaira, Ko; Nyantumbu, Busisiwe ... Vega, Eduardo J. Salazar (2016). Epidemiological Differences Between Localised and Non-localised Low Back Pain. Spine, online.10.1097/BRS.0000000000001956.

Freimann, Tiina; Pääsuke, Mati; Merisalu, Eda (2016). Work-Related Psychosocial Factors and Mental Health Problems Associated with Musculoskeletal Pain in Nurses: A Cross-Sectional Study. Pain research and management, online.10.1155/2016/9361016.

Gaworski, M.; Leola, A.; Sada, O.; Kic, P.; Priekulis, J. (2016). Effect of cow traffic system and herd size on cow perfomance and automatic milking systems capacity. Agronomy Reserch 14(1), 33−40.

Indermitte, E.; Orru, H.; Merisalu, E. (2016). Self-reported health status and occupational exposures among military personnel in Estonia. Occupational and Environmental Medicine, 73: EPICOH 2016: Occupational Health: Think Globally, Act Locally. Barcelona, September 4–7, 2016. UK: BMJ Publishing Group Ltd, A234.(1).10.1136/oemed-2016-103951.650.

Johansson, D.; Leemet, T.; Allas, J.; Madissoo, M.; Adoberg, E.; Schultheiss, F. (2016). Tool life in stainless steel - influence of varying tool coatings on Colding's tool life equation. Proceedings of the Estonian Academy of Sciences, 12−14.

Kikas, Timo; Tutt, Marti; Raud, Merlin; Alaru, Maarika; Lauk, Ruth; Olt, Jüri (2016). Basis of Energy Crop Selection for Biofuel Production: Cellulose vs. Lignin. International Journal of Green Energy, 13(1), 49−54.10.1080/15435075.2014.909359.

Merisalu, E.; Hiir, K., Männaste, M.; Traumann, A. (2016). Individual and job related risk factors for musculoskeletal pain among sewing machine operators. Agronomy Research 14(4), 1417−1426.

Merisalu, E., Hiir, K., Männaste, M., Traumann, A. (2016). Individual and job related risk factors for musculoskeletal pain among sewing machine operators. Occupational and Environmental Medicine, 73: EPICOH 2016: Occupational Health: Think Globally, Act Locally. September 4–7, 2016. Barcelona: BMJ Publishing Group Ltd, A71.(1; A71).10.1136/oemed-2016-103951.192.

Merisalu, Eda; Animägi, Liina; Oha, Kristel; Freimann, Tiina; Sirk, Tuuli (2016). Job-Specific Factors and Prevalence of Multiple and Disabling Musculoskeletal Pain Among Office Workers, Nurses, and Caregivers in Estonia. Proceedings of the Latvian Academy of Sciences Section B Natural Exact and Applied Sciences , 70(5), 286−293.10.1515/prolas-2016-0044.

Nautras, Arles; Reppo, Boris; Kuzmin, Jüri (2016). Pulse-video method for determining the workload and energy expenditure for assessing of work environment. Agronomy Research 14(3), 846−852.

Olt, J.; Liivapuu, O.; Maksarov, V.; Liyvapuu, A.; Tärgla, T. (2016). Mathematical Modelling of Cutting Process System. In: Engineering Mathematics I, Springer International Publishing (Springer Proceedings in Mathematics & Statistics), 173−186. 10.1007/978-3-319-42082-0_11.

Olt, J.; Liyvapuu, A.; Madissoo, M.; Maksarov, V. (2016). Dynamic simulation of chip formation in the process of cutting. International Journal of Materials and Product Technology 53(1), 1−14.

Raud, Merlin; Olt, Jüri; Kikas, Timo (2016). N2 explosive decompression pretreatment of biomass for lignocellulosic ethanol production. Biomass & Bioenergy, 90, 1−6.10.1016/j.biombioe.2016.03.034.

Raud, Merlin; Tutt, Marti; Olt, Jüri; Kikas, Timo (2016). Dependence Of The Hydrolysis Efficiency On The Lignin Content In Lignocellulosic Material. International Journal of Hydrogen Energy 41(37), 16338−16343.10.1016/j.ijhydene.2016.03.190.

Raud, Merlin; Rooni, Vahur; Kikas, Timo (2016). Explosive decompression pretreatment: nitrogen vs. compressed air. Agronomy Research 14(2), 569−578.

Sada, O.; Leola, A.; Kic, P. (2016). Choosing and evaluation of milking parlours for dairy farms in Estonia. Agronomy Reserch 14(5), 1694−1701.

Sarquis, LM; Coggon, D; Ntani, G; Walker-Bone, K; Palmer, KT; Felli, VE; Harari, R; Barrero, LH; Felknor, SA; Gimeno, D; Cattrell, A; Vargas-Prada, S; Bonzini, M; Solidaki, E; Merisalu, E; Habib, RR; Sadeghian, F; Kadir, MM; Warnakulasuriya, SS; Matsudaira, K ... Salazar, Vega EJ. (2016). Classification of neck/shoulder pain in epidemiological research: a comparison of personal and occupational characteristics, disability, and prognosis among 12,195 workers from 18 countries. Pain, 157(5), 1028−1036.10.1097/j.pain.0000000000000477.

Soots, K.; Leemet, T.; Tops, K.; Olt, J. (2016). Development of belt sorters smoothly adjustable belt drums. Agronomy Research 14 (3), 917−928.

Tutt, Marti; Raud, Merlin; Kahr, Heike; Pointner, Manuel; Olt, Jüri; Kikas, Timo (2016). Nitrogen explosion pretreatment of lignocellulosic material for bioethanol production. Energy Sources 38(12), 1785−1789.10.1080/15567036.2014.1002950.

Vargas-Prada S, Coggon D, Ntani G, Walker-Bone K, Palmer KT, Felli VE, Harari R, Barrero LH, Felknor SA, Gimeno D, Cattrell A, Bonzini M, Solidaki E, Merisalu E, Habib RR, Sadeghian F, Kadir MM, Warnakulasuriya SSP, Matsudaira K, Nyantumbu B, Sim MR, Harcombe H, Cox K, Sarquis LMM, Marziale MH, Harari F, Freire R, Harari N, Monroy MV, Quintana LA, Rojas M, Harris EC, Serra C, Martinez JM, Delclos G, Benavides FG, Carugno M, Ferrario MM, Pesatori AC, Chatzi L, Bitsios P, Kogevinas M, Oha K, Freimann T, Sadeghian A, Peiris-John RJ, Sathiakumr N, Wickremasinghe AR, Yoshimura N, Kelsall HL, Hoe VCW, Urquhart DM, Derrett S, McBride D, Herbison P, Gray A, Vega EJS. (2016). Descriptive Epidemiology of Somatising Tendency: Findings from the CUPID Study. PlosOne, 11(4): e0153748.10.1371/journal.pone.0153748.


Bulgakov, V.; Adamchuk, V.; Arak, M.; Olt, J. (2015). Theory of vibration-assisted sugar beet root lifting. Agronomy Research 13 (5), 1165−1192.

Bulgakov, V.; Adamchuk, V.; Olt, J.; Orszaghova, D. (2015). Use of Euler equations in research into three-dimensional oscillations of sugar beet root during its vibration-assisted lifting. Agronomy Research 13(1), 33−45.

Freimann, T.; Merisalu, E.; Pääsuke, M. (2015). Effects of a home-exercise therapy programme on cervical and lumbar range of motion and musculoskeletal pain among nurses: a quasi-experimental study. BMC Sports Science, Medicine & Rehabilitation 7(1), 31−37.10.1186/s13102-015-0025-6.

Freimann, Tiina; Merisalu, Eda (2015). Work-related psychosocial risk factors and mental health problems amongst nurses at a university hospital in Estonia: A cross-sectional study. Scandinavian Journal of Public Health 43(5), 447−452.10.1177/1403494815579477.

Gaworski, M.; Leola, A. (2015). Comparison of dairy potential in Europe and its effect on assesment of milking systems. Agronomy Research 13(1), 223−230.

Hönig, Vladimír; Smrčka, Luboš; Ilves, Risto; Küüt, Arne (2015). Adding biobutanol to diesel fuel and impact on fuel blend parametres. Agronomy Research 13 (5), 1227−1233.

Küüt, A.; Ilves, R.; Hönig, V.; Vlasov, A.y; Olt, J. (2015). The impact of bioethanol on two-stroke engine work details and exhaust emission. Agronomy Research 13(5), 1241−1252.

Madissoo, M.; Rossner, A.; Olt, J.; Maksarov, V. (2015). Testing of the External Turning Tool Holder Equipped With Alternate Bars in Its Construction. Materials Science 21 (3), 391−395. 10.5755/j01.ms.21.3.7351.

Merisalu, Eda; Vähi, Mare; Kinnas, Siim; Oja, Margit; Sarapuu, Karin; Novikov, Oleg; Pärnapuu, Margus; Indermitte, Ene; Lea, Kersti; Orru, Hans (2015). Job specific factors, demographic parameters and musculo-skeletal disorders among military personnel depending on type of service. Agronomy Research 13(3), 775−785.

Nadykto, V.; Arak, M.; Olt, J. (2015). Theoretical research into the frictional slipping of wheel-type undercarriage taking into account the limitation of their impact on the soil. Agronomy Research 13(1), 148−157.

Olt, J.; Mikita, V.; Roots, J.; Jasinskas, A. (2015). Cylinder pressure characteristics of turbocharged and naturally aspirated diesel engines. Procedia Engineering 100, 350−359. 10.1016/j.proeng.2015.01.378.

Pitman, Kätlin; Raud, Merlin; Kikas, Timo (2015). Biochemical oxygen demand sensor arrays. Agronomy Research 13(2), 382−395.

Raud, Merlin; Tutt, Marti; Olt, Jüri; Kikas, Timo (2015). Effect of lignin content of lignocellulosic material on hydrolysis efficiency. Agronomy Research 13(2), 405−412.

Varasemad publikatsioonid ja patendid