Search results for: T. Zaleski

Items from 1 to 20 out of 40 results

article

Mineral composition of fruits and leaves of San Andreas® everbearing strawberry in soilless cultivation

K. Gondek, M. Mierzwa-Hersztek, M. Kopec, T. Zaleski, more

Journal of Elementology > 2020 > 25 > 4

article

Efekt stymulowania przyrostu biomasy truskawki powtarzającej odmiany San Andreas poprzez nalistną aplikację preparatu zawierającego cynk

M. Kopec, K. Gondek, M. Mierzwa-Hersztek, T. Zaleski, more

Progress in Plant Protection > 2019 > 59 > 2

article

Classification of brown earths based on field and laboratory properties: problematic issues and proposition of their solution

K. Woznica, A. Jozefowska, J. Sokolowska, R. Mazurek, more

Polish Journal of Soil Science > 2019 > 52 > 2

In this paper, the current problems associated with the classification of brown earths, are presented. According to the Polish Soil Classification (PSC) (1989, 2011), base saturation is the main parameter for identifying eutrophic and dystrophic brown soils. In practice, however, it is not possible to determine the base saturation value in the field. Therefore, the aim of this study was to estimate...

article

Variability of nutrients in the leachates from everbearing strawberry cultivated in soilless conditions on gutters

M. Kopec, M. Mierzwa-Hersztek, K. Gondek, T. Zaleski, more

Acta Scientiarum Polonorum. Formatio Circumiectus > 2019 > 18 > 4

Aim of the study Industrial soilless cultivation of plants is associated with the formation of leachate, which may pose a threat to the environment. Their management is an important issue due to the limitation of the dissipation of ingredients in the environment, but also with the view to limiting the use of water, which in this type of cultivation is key not only in terms of quantity but also quality...

article

A review of measured bioaccumulation data on terrestrial plants for organic chemicals: Metrics, variability, and the need for standardized measurement protocols

William J. Doucette, Chubashini Shunthirasingham, Erik M. Dettenmaier, Rosemary T. Zaleski, more

Environmental Toxicology and Chemistry > 37 > 1 > 21 - 33

Quantifying the transfer of organic chemicals from the environment into terrestrial plants is essential for assessing human and ecological risks, using plants as environmental contamination biomonitors, and predicting phytoremediation effectiveness. Experimental data describing chemical uptake by plants are often expressed as ratios of chemical concentrations in the plant compartments of interest...

article

A quantitative screening‐level approach to incorporate chemical exposure and risk into alternative assessment evaluations

Scott M Arnold, Bill Greggs, Katy O Goyak, Bryce D Landenberger, more

Integrated Environmental Assessment and Management > 13 > 6 > 1007 - 1022

As the general public and retailers ask for disclosure of chemical ingredients in the marketplace, a number of hazard screening tools were developed to evaluate the so‐called “greenness” of individual chemical ingredients and/or formulations. The majority of these tools focus only on hazard, often using chemical lists, ignoring the other part of the risk equation: exposure. Using a hazard‐only focus...

article

Wpływ wilgotności na wytrzymałość na ścinanie wybranych gruntów spoistych

T. Zydroń, M. Wojciechowska-Dymańska, A. T. Gruchot, T. Zaleski

Przegląd Komunikacyjny > 2017 > R. 72, nr 5 > 9--14

Celem pracy było określenie wpływu wilgotności na ich parametry wytrzymałości na ścinanie gruntów spoistych o różnej spoistości. Próbki formowano w cylindrze aparatu Proctora przy wilgotności równej optymalnej oraz większej i mniejszej od niej, a następnie je wycinano o wymiarach 6 x 6 x 1,8 cm odpowiadających skrzynce aparatu bezpośredniego ścinania. Badania przeprowadzono przy prędkości ścinania...

article

Optical Conductivity of Ultra-Cold Bosons in Optical Lattices

B. Grygiel, K. Patucha, T. Zaleski

Acta Physica Polonica A > 2016 > 130 > 2 > 633-636

We study ultra-cold bosonic systems in optical lattice using quantum rotor approach to calculate the current-current correlations, which provides the information about conductivity of the system. The method allows us to go beyond mean-field approximation and track the behavior of the real part of the conductivity along the phase transition between the Mott insulator and superfluid state for various...

article

Role of Bandwidths and Energy Gap in Formation of Ground State of Ultra-Cold Bosons in Artificial Magnetic Fields

K. Patucha, B. Grygiel, T. Zaleski

Acta Physica Polonica A > 2016 > 130 > 2 > 637-640

We study the properties of ultra-cold bosons in optical lattice in arbitrary gauge potentials. Using quantum rotor approach we are able to go beyond mean-field approximation thus taking into account subtleties of the band structure of the artificial magnetic field. This allows us to elucidate the interplay of the subbands widths and energy gaps on the formation of the coherent state. As a result,...

article

Phase Diagram of Mixtures of Ultracold Bosons in Optical Lattice

S. Anufriiev, T. Zaleski

Acta Physica Polonica A > 2016 > 130 > 2 > 629-632

We study a behaviour of mixture of two species of ultracold bosons trapped in optical lattice. Using mean-field approximation, we determine the phase diagram of the system for wide range of parameters. We observe that each of the groups of atoms can condense into superfluid state or localize and form the Mott insulator, which yields that the whole system is either superfluid, the Mott insulator, or...

article

Dynamic Structure Factor of Ultracold Bosons in Optical Lattice

T. Zaleski, T. Kopeć

Acta Physica Polonica A > 2016 > 130 > 2 > 564-568

Ultracold atoms in optical lattices have been intensively investigated in recent years as they provide a very well controllable environment for observation of many-body quantum phenomena, closely mimicking physics of strongly interacting electronic systems. Here, we use the quantum rotor approach supplemented by the Bogolyubov method to investigate one- and two-particle excitations, which are a measure...

article

Effect of the composting process on physical and energetic changes in compost

M. Kopec, K. Gondek, M. Mierzwa-Hersztek, T. Zaleski

Acta Agrophysica > 2016 > 23 > 4

Composting is one of the most common methods of treating biodegradable waste, and application of the process’ final product into the soil is, due to the high carbon content, one of the most rational ways of its management. If the compost is not in line with legal requirements, it is necessary to search for alternative ways of its use, such as application for energy purposes. The aim of this study...

article

Wpływ wilgotności i prędkości ścinania na wytrzymałości na ścinanie gruntów pylastych z okolic Kotliny Sądeckiej

T. Zydron, T. Zaleski, D. Janik

Acta Scientiarum Polonorum. Formatio Circumiectus > 2016 > 15 > 1

article

Hydrophysical and biological properties of sandy substrata enriched with hydrogel

A. Baran, T. Zaleski, E. Kulikowski, J. Wieczorek

Polish Journal of Environmental Studies > 2015 > 24 > 6

article

Wpływ sposobu koszenia na warunki glebowe i skład florystyczny ciepłolubnej łąki pienińskiej

T. Zaleski, J. Zarzycki, A. Kacprzak

Pieniny. Przyroda i Człowiek > 2014 > 13

article

Analiza porównawcza wybranych funkcji pedotransferu do określenia właściwości retencyjnych gruntów na przykładzie utworów pochodzących z obszarów osuwiskowych

T. Zydroń, T. Zaleski

Inżynieria Morska i Geotechnika > 2013 > nr 1 > 36--42

Wyniki obliczeń charakterystyki retencyjnej szesnastu gruntów za pomocą funkcji pedotransferu zaproponowanych przez różnych autorów. Porównanie wyników obliczeń z wynikami pomiarów laboratoryjnych przeprowadzonych metodą płyt porowatych w komorach ciśnieniowych w zakresie ciśnienia ssania 1 ÷ 15848 cm. Wykazano stosunkowo dobre dopasowanie wyników obliczeń do danych pomiarowych stosując model Aubertina...

article

Neutral Bosonic Condensates in Layered 2D Structures under Artificial Magnetic Field

T. Polak, T. Zaleski

Acta Physica Polonica A > 2012 > 121 > 5-6 > 1312-1314

We show that the properties of the ideal Bose gas in three-dimensional optical lattice can be closely mimicked by finite two dimensional systems with only ten of layers. The match between critical properties strongly depends on the anisotropy of the hopping amplitudes in and between layers which we fully control. The theory we provided can be directly used in the experiments and results in less challenging...

article

Ultra-Cold Bosons in Optical Lattice: Time-of-Flight Imaging of Atom-Atom Correlations

T. Zaleski, T. Kopeć

Acta Physica Polonica A > 2012 > 121 > 4 > 796-800

In the present paper, we investigate a system of strongly interacting bosons confined in two-dimensional optical lattice. We propose a combination of the Bogoliubov method with the quantum rotor approach and determine the spatial atom-atom correlations. This allows us to calculate time-of-flight absorption images, which exhibit all the characteristic features present in experimental results, namely...

article

Recycling of Calcium-Silicate Material After Wastewater Filtration to Agriculture - Soil Condition Impact

V. Cucarella, G. Renman, T. Zaleski, M. Ryszard

Ecological Chemistry and Engineering. S > 2012 > Vol. 19, nr 3 > 373-382

Reactive filter materials aimed at phosphorus (P) recovery is a novel method for on-site wastewater treatment. Once the bed filter is no longer effective, the sorbent must be replaced and can then be recycled as a soil amendment to agriculture. This study investigated the short-term effects of such amendments in a field with a wheat crop in order to evaluate the risks and/or potential benefits of...

article

Electron Spectral Functions in the Presence of the Antiferromagnetic Order in the Two-Dimensional Hubbard Model

T. Zaleski, T. Kopeć

Acta Physica Polonica A > 2010 > 118 > 2 > 267-272

We use a recently proposed quantum SU(2)×U(1) rotor approach for the Hubbard model to calculate electronic spectral functions in a presence of an antiferromagnetic state for any value of the Coulomb interaction. We isolate the collective variables for charge and spin in the form of the space-time fluctuating U(1) phase field and SU(2) rotating spin quantization axis, respectively. As a result, the...

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INFONA - science communication portal

Search results for: T. Zaleski

Mineral composition of fruits and leaves of San Andreas® everbearing strawberry in soilless cultivation

Efekt stymulowania przyrostu biomasy truskawki powtarzającej odmiany San Andreas poprzez nalistną aplikację preparatu zawierającego cynk

Classification of brown earths based on field and laboratory properties: problematic issues and proposition of their solution

Variability of nutrients in the leachates from everbearing strawberry cultivated in soilless conditions on gutters

A review of measured bioaccumulation data on terrestrial plants for organic chemicals: Metrics, variability, and the need for standardized measurement protocols

A quantitative screening‐level approach to incorporate chemical exposure and risk into alternative assessment evaluations

Wpływ wilgotności na wytrzymałość na ścinanie wybranych gruntów spoistych

Optical Conductivity of Ultra-Cold Bosons in Optical Lattices

Role of Bandwidths and Energy Gap in Formation of Ground State of Ultra-Cold Bosons in Artificial Magnetic Fields

Phase Diagram of Mixtures of Ultracold Bosons in Optical Lattice

Dynamic Structure Factor of Ultracold Bosons in Optical Lattice

Effect of the composting process on physical and energetic changes in compost

Wpływ wilgotności i prędkości ścinania na wytrzymałości na ścinanie gruntów pylastych z okolic Kotliny Sądeckiej

Hydrophysical and biological properties of sandy substrata enriched with hydrogel

Wpływ sposobu koszenia na warunki glebowe i skład florystyczny ciepłolubnej łąki pienińskiej

Analiza porównawcza wybranych funkcji pedotransferu do określenia właściwości retencyjnych gruntów na przykładzie utworów pochodzących z obszarów osuwiskowych

Neutral Bosonic Condensates in Layered 2D Structures under Artificial Magnetic Field

Ultra-Cold Bosons in Optical Lattice: Time-of-Flight Imaging of Atom-Atom Correlations

Recycling of Calcium-Silicate Material After Wastewater Filtration to Agriculture - Soil Condition Impact

Electron Spectral Functions in the Presence of the Antiferromagnetic Order in the Two-Dimensional Hubbard Model

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