Search Results - "Butkus, Donatas"

Radiological assessment of ionizing radiation impact on the terrestrial non-human biota in Lithuania by Konstantinova, Marina, Prokopčiuk, Nina, Gudelis, Arūnas, Butkus, Donatas

“…The quantitative assessment of radionuclides transfer to non-human biota using their activity concentration ratios is required for models of predictive doses…”
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THE RESULTS OF MEASURING AND MODELLING SOIL-INDOORS RADON TRANSPORTATION / RADONO PERNAŠOS IŠ DIRVOŽEMIO Į PATALPAS MATAVIMO IR MODELIAVIMO REZULTATAI by Streckyte, Erika, Butkus, Donatas

“…The article presents the entry of radon gas into premises and introduces the parameters accelerating and slowing this process. The paper determines the…”
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MODELLING OF CU, NI, ZN, MN AND PB TRANSPORT FROM SOIL TO SEEDLINGS OF CONIFEROUS AND LEAFY TREES by Baltrėnaitė, Edita, Butkus, Donatas

“…Transport of trace metals (TMs) from the soil to a plant involves chemical, physical and biological processes (such as diffusion, adsorption, absorption,…”
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INVESTIGATION OF HEAVY METAL AND RADIONUCLIDE DISTRIBUTION IN SILT OF LAKE DIDŽIULIS / SUNKIŲJŲ METALŲ IR RADIONUKLIDŲ PASISKIRSTYMO DIDŽIULIO EŽERO DUMBLE TYRIMAS / ИССЛЕДОВАНИЕ РАСПРЕДЕЛЕНИЯ ТЯЖЕЛЫХ МЕТАЛЛОВ И РАДИОНУКЛИДОВ В ИЛЕ ОЗЕРА «ДИДЖУЛИС by Butkus, Donatas, Šalčiūnienė, Kristina

“…The article deals with research of the ecological situation in Lake Didžiulis, located nearby the highway Vilnius–Kaunas (Trakai District); the most polluted…”
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Investigation And Assessment Of 40k Accumulation In The Segments Of An Ordinary Carrot (Daucus Carota L.) And Red Beet (Beta Vulgaris L.) by Mikalauskiene, Renata, Butkus, Donatas

“…The article deals with an alteration in specific activity and transfer factor of naturally occurring radionuclide 40K from soil with a loamy structure to the…”
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ACOUSTIC INVESTIGATIONS OF THE EXTERIOR AND INTERIOR WALL OF A LOG HOUSE / RĄSTINIO NAMO IŠORINĖS IR VIDINĖS SIENOS AKUSTINIAI TYRIMAI / АКУСТИЧЕСКИЕ ИССЛЕДОВАНИЯ НАРУЖНОЙ И ВНУТРЕННЕЙ СТЕНЫ БРЕВЕНЧАТОГО ДОМА by Butkus, Donatas, Januševičius, Tomas

“…With the rapidly changing environment and growing cities and increasing traffic flows the problem of noise pollution is becoming more and more relevant. As…”
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Comparison of three tree-ring sampling methods for trace metal analysis by Baltrenaite, Edita, Butkus, Donatas, Booth, Colin A.

“…Tree-ring growth analysis can provide information about tree development for forest inventory, environmental assessment, atmospheric and soil monitoring. Metal…”
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Research of Equivalent and Maximum Value of Noise Generated by Wind Power Plants by Butkus, Donatas, Grubliauskas, Raimondas, Mažuolis, Jurgis

“…According to the Directive 2009/28EC of European Parliament and Council, dated April 23, 2009, Lithuania should strive for the part of renewable energy sources…”
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Research on Motor Transport Produced Noise on Gravel and Asphalt Roads by Leipus, Linas, Butkus, Donatas, Januševičius, Tomas

“…Vehicles in motion on roads are the main source of noise in the environment. The noise in a car is created by structural noises from car construction,…”
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Research On Changes In The Volumetric Activity Of Radon In Soil Air Depending On Depth by Streckyte, Erika, Gagiskis, Audrius, Butkus, Donatas

“…The article discusses radon concentrations measured in the upper and deeper sandy-loam soil air. The conducted research has disclosed that the volumetric…”
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RESEARCH ON CHANGES IN THE VOLUMETRIC ACTIVITY OF RADON IN SOIL AIR DEPENDING ON DEPTH / TŪRINIO RADONO AKTYVUMO DIRVOŽEMIO ORE KAITOS PAGAL GYLĮ TYRIMAS by Streckyte, Erika, Gagiskis, Audrius, Butkus, Donatas

“…The article discusses radon concentrations measured in the upper and deeper sandy-loam soil air. The conducted research has disclosed that the volumetric…”
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ACOUSTIC PROPERTIES OF A RENOVATED BUILDING by Januševičius, Tomas, Butkus, Donatas

“…The article explores the effects of partitions, ceilings and facades on noise insulation in the renovated different buildings. The conducted experiments were…”
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CHAMBER INVESTIGATION AND EVALUATION OF ACOUSTIC PROPERTIES OF MATERIALS/KAMERINIAI MEDŽIAGŲ AKUSTINIŲ SAVYBIŲ TYRIMAI IR VERTINIMAS/КАМЕРНЫЕ ИССЛЕДОВАНИЯ И ОЦЕНКА АКУСТИЧЕСКИХ СВОЙСТВ МАТЕРИАЛОВ by Grubliauskas, Raimondas, Butkus, Donatas

“…Traffic‐generated noise accounts for 60–80% of the noise prevailing in towns. With the aim of reducing the impact of noise on humans, measures and methods of…”
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INVESTIGATION OF 137CS TRANSFER IN THE SYSTEM “SOIL‐MUSHROOMS‐HUMAN”/137CS PERNAŠOS SISTEMOJE „DIRVOŽEMIS – GRYBAI – ŽMOGUS“ TYRIMAS/ИЗУЧЕНИЕ ПЕРЕНОСА 137CS В СИСТЕМЕ «ПОЧВА–ГРИБЫ–ЧЕЛОВЕК by Butkus, Donatas, Dimavičienė, Diana

“…The paper analyses specific activity of an artificial radioisotope 137Cs in edible mushrooms and in the soil. Specific activity of 137Cs was measured in…”
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Investigation of 137Cs and 90Sr transfer from sandy soil to Scots pine (Pinus sylvestris L.) rings by Bataitiene, Ingrida Pliopaite, Butkus, Donatas

“…Artificial radionuclides entered the environment mostly as a result of nuclear explosions, accidents at nuclear power plants and are entering due to the…”
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STUDY AND ESTIMATION OF THE RATIO OF 137CS AND 40K SPECIFIC ACTIVITIES IN SANDY AND LOAM SOILS / 137CS IR 40K SAVITŲJŲ AKTYVUMŲ SANTYKIŲ TYRIMAS IR VERTINIMAS PRIESMĖLIO IR PRIEMOLIO DIRVOŽEMYJE by Mikalauskienė, Renata, Butkus, Donatas, Bataitienė, Ingrida Pliopaitė

“…The present article describes changes in specific activities and fluctuations in the ratio of natural 40K and artificial 137Cs radionuclides in soil samples…”
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MODELLING VERTICAL MIGRATION OF 137CS IN LITHUANIAN SOILS/137CS VERTIKALIOSIOS MIGRACIJOS LIETUVOS DIRVOŽEMIUOSE MODELIAVIMAS/МОДЕЛИРОВАНИЕ ВЕРТИКАЛЬНОЙ МИГРАЦИИ 137CS В ПОЧВАХ ЛИТВЫ by Butkus, Donatas, Konstantinova, Marina

“…137Cs vertical migration in soil was evaluated using two methods: evaluating migration parameters using the quasi‐diffusion model, and modelling vertical…”
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EFFICIENCY EVALUATION OF A NOISE BARRIER by Baltrėnas, Pranas, Butkus, Donatas, Nainys, Vytautas, Grubliauskas, Raimondas, Gudaitytė, Jurgita

“…Mechanization of industrial and agricultural production, increase of urban and rural traffic flows, modernization of domestic facilities cause a rapid…”
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RESEARCH INTO THE FACTORS OF TRANSFERING RADIONUCLIDES FROM SOIL TO THE COMPONENTS OF FRUIT TREES / RADIONUKLIDŲ PERNAŠOS FAKTORIŲ IŠ DIRVOŽEMIO Į VAISMEDŽIŲ SANDUS TYRIMAS by Brogaite, Dorita, Butkus, Donatas, Pliopaite-Bataitiene, Ingrida

“…The study reveals the factors of transferring radionuclides 137Cs, 40K and 232Th from soil under fruit trees to the components of fruit trees. Three fruit…”
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INVESTIGATION OF 90SR ACUMULATION IN PINEWOOD (PINUS SYLVESTRIS L.)/90SR KAUPIMOSI PAPRASTOSIOS PUŠIES (PINUS SYLVESTRIS L.) MEDIENOJE TYRIMAS/НАКОПЛЕНИЕ 90SR В ДРЕВЕСИНЕ ПРОСТОЙ СОСНЫ (PINUS SYLVESTRIS L.) by Butkus, Donatas, Bataitienė, Ingrida Pliopaitė, Bataitis, Tautvydas

“…The paper presents changes of 90Sr activity in pinewood (Pinus sylvestris L.), which in studied conditions varies from (0,03±0,01) Bq/kg to (2,32±0,34) Bq/kg…”
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