Search Results - "Lehtomäki, A."

Laboratory investigations on co-digestion of energy crops and crop residues with cow manure for methane production: Effect of crop to manure ratio by Lehtomäki, A., Huttunen, S., Rintala, J.A.

“…Anaerobic co-digestion of grass silage, sugar beet tops and oat straw with cow manure was evaluated in semi-continuously fed laboratory continuously stirred…”
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Trends in the Incidence, Etiology, Treatment, and Outcomes of Pleural Infections in Adults Over a Decade in a Finnish University Hospital by Lehtomäki, A., Nevalainen, R., Ukkonen, M., Nieminen, J., Laurikka, J., Khan, J.

“…Background and Aims: The aim of the study was to ascertain changes in the incidence, etiology, treatment, and outcomes of pleural infections over a decade in a…”
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Anaerobic digestion of grass silage in batch leach bed processes for methane production by Lehtomäki, A., Huttunen, S., Lehtinen, T.M., Rintala, J.A.

“…Anaerobic digestion of grass silage in batch leach bed reactors, with and without a second stage upflow anaerobic sludge blanket (UASB) reactor, was evaluated…”
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The Occurrence of Lung Cancer and Non-Pulmonary Malignancies After Pleural Infections by Khan, J., Ala-Seppälä, H., Lehtomäki, A., Toikkanen, V., Pohja, E., Laurikka, J., Ukkonen, M.

“…Background and Aims: Patients who develop infections of the pleura have several risk factors for malignancies, particularly lung cancer, and the infections…”
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Long-Term Prognosis and Causes of Death After Pleural Infections by Khan, J. A., Lehtomäki, A. I., Toikkanen, V. J., Ukkonen, M. T., Nevalainen, R. M., Laurikka, J. O.

“…Background and Aims: The development of pleural infection may imply a worse state of health and prognosis. The objective of this study was to ascertain the…”
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Comparison of laboratory-scale thermophilic biofilm and activated sludge processes integrated with a mesophilic activated sludge process by Suvilampi, J., Lehtomäki, A., Rintala, J.

“…A combined thermophilic–mesophilic wastewater treatment was studied using a laboratory-scale thermophilic activated sludge process (ASP) followed by mesophilic…”
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Hydrolysis and microbial community analyses in two‐stage anaerobic digestion of energy crops by Cirne, D.G., Lehtomäki, A., Björnsson, L., Blackall, L.L.

“…Aims:  The roles of the diverse populations of micro‐organisms responsible for biodegradation of organic matter to form methane and carbon dioxide are…”
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Screening boreal energy crops and crop residues for methane biofuel production by Lehtomäki, A., Viinikainen, T.A., Rintala, J.A.

“…The purpose of the study was to screen potential boreal energy crops and crop residues for their suitability in methane production and to investigate the…”
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Biogas from energy crops--optimal pre-treatments and storage, co-digestion and energy balance in boreal conditions by Seppälä, M, Paavola, T, Lehtomäki, A, Pakarinen, O, Rintala, J

“…The objective of this research was to evaluate the biogas production from crops in boreal conditions, focusing on the optimal pre-treatment and storage…”
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Two-Stage Anaerobic Digestion of Energy Crops: Methane Production, Nitrogen Mineralisation and Heavy Metal Mobilisation by Lehtomaeki, A, Bjoernsson, L

“…Energy crops (willow, sugar beet and grass silage) were digested in pilot scale two-stage anaerobic digesters. The specific methane yields obtained were 0.16,…”
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CO-DIGESTION OF GRASS SILAGE AND COW MANURE IN A CSTR BY RE-CIRCULATION OF ALKALI TREATED SOLIDS OF THE DIGESTATE by Jagadabhi, P. S., Lehtomäki, A., Rintala, J.

“…Three laboratory, continuously stirred tank reactors (CSTRs) co-digesting grass silage and cow manure (forming 30% and 70% of substrate volatile solids (VS),…”
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Impact of crop species on bacterial community structure during anaerobic co-digestion of crops and cow manure by Wang, Hong, Lehtomäki, Annimari, Tolvanen, Katariina, Puhakka, Jaakko, Rintala, Jukka

“…The bacterial communities in three continuously stirred tank reactors co-digesting cow manure with grass silage, oat straw, and sugar beet tops, respectively,…”
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Comparative study of laboratory-scale thermophilic and mesophilic activated sludge processes by Suvilampi, J., Lehtomäki, A., Rintala, J.

“…Laboratory-scale mesophilic (20–35 °C) and thermophilic (55 °C) activated sludge processes (ASPs) treating diluted molasses wastewater were compared in…”
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Biomass Characterization of Laboratory-Scale Thermophilic-Mesophilic Wastewater Treatment Processes by Suvilampi, J., Lehtomäki, A., Rintala, J.

“…Two thermophilic-mesophilic wastewater treatment processes, one as the combination of the thermophilic activated sludge process (ASP), followed by the…”
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Robustness and modeling error characterization by Lehtomaki, N., Castanon, D., Levy, B., Stein, G., Sandell, N., Athans, M.

“…The results on robustness theory presented here are extensions of those given in [1]. The basic innovation in these new results is that they utilize minimal…”
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Robustness results in linear-quadratic Gaussian based multivariable control designs by Lehtomaki, N., Sandell, N., Athans, M.

“…The robustness of control systems with respect to model uncertainty is considered using simple frequency domain criteria. Available and new results are derived…”
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Compensation of Adaptive Arrays by Lehtomaki, N.A.

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Further comments on "Application of 0-1 integer programming to multitarget tracking problems" by Lehtomaki, N.

“…The 0-1 integer programming formulation of the multitarget tracking problem reported in [1] is claimed in [2] to be inappropriate without additional…”
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Implementation of a robustness constraint in adaptive beamforming by Lehtomaki, N.A.

“…In highly nonstationary environments, the time available to estimate the correlation matrix used in the MVDR (minimum variance distortionless response)…”
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Robustness tests utilizing the structure of modelling error by Lehtomaki, N. A., Castanon, D., Levy, B., Stein, G., Sandell, N. R., Athans, M.

“…The results on robustness theory presented here are extensions of those given in [1]. The basic innovation in these new results is that they utilize minimal…”
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