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    Wyświetlanie 1-9 z 9
    Tytuł:
    Porównanie użyteczności energetycznej wybranych brykietów z biomasy
    Comparison of energy usefulness of the selected biomass briquettes
    Autorzy:
    Saletnik, B.
    Puchalski, C.
    Zaguła, G.
    Bajcar, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/288185.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Inżynierii Rolniczej
    Tematy:
    słoma
    brykiet
    wartość energetyczna
    wilgotność
    popiół
    pierwiastki budulcowe
    straw
    briquettes
    energy
    moisture
    ash
    elements of building blocks
    Opis:
    W pracy przedstawiono wyniki badań dotyczące kaloryczności, zawartości wody, popiołu oraz węgla, azotu i wodoru w czterech rodzajach brykietu. Materiał badawczy stanowiły brykiety ze słomy zbożowej z dodatkami, takimi jak: trociny olchy, siano łąkowe oraz ziarno owsa. Uzyskane wyniki posłużyły do celów porównawczych podstawowych parametrów fizyko-chemicznych brykietów. Określono, że brykiety uzyskane z połączenia słomy i trocin olchy wykazują najwyższą wartość opałową. Dodatkowo odnotowano zwiększoną zawartość pozostałego po spaleniu popiołu w próbkach, które miały wyższą zawartością węgla, co może wskazywać na straty związane z niecałkowitym spalaniem.
    This paper presents the results of the caloric value, content of water, ash and carbon, nitrogen and hydrogen in the four types of briquettes. Material consisted of wheat straw briquettes with additives such as alder sawdust, meadow hay and oats. The results were used for comparison purposes of the basic physicochemical parameters of briquettes. It was determined that the briquettes obtained from a combination of straw and alders sawdust have the highest caloric value. In addition, the increased level of ash remaining after burning in the samples, which had higher carbon content, was reported which may indicate losses related to incomplete burning.
    Źródło:
    Inżynieria Rolnicza; 2013, R. 17, nr 3, t. 2, 3, t. 2; 341-347
    1429-7264
    Pojawia się w:
    Inżynieria Rolnicza
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The impact of heat treatment on the components of plant biomass as exemplified by Junniperus sabina and Picea abies
    Autorzy:
    Drygaś, B.
    Depciuch, J.
    Puchalski, Cz.
    Zaguła, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/411289.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Oddział w Lublinie PAN
    Tematy:
    torrefaction
    biomass
    FTIR spectra
    changes
    biochars
    Opis:
    Torrefaction is the process of drying biomass at high temperatures in order to transform it into biofuels with properties and composition resembling carbon. The impact of high temperature breaks the chains of hemicellulose, lignin and cellulose and degrades the biomass to simpler organic compounds. The aim of this publication was to specify the impact of the duration of the heat treatment on the stability of biomass structures such as lignocellulose illustrated with examples of selected species of conifers. The research material consisted of shoot tips of Junniperus sabina and Picea abies. The material used in the process was air-dried, dried at 150oC and torrefied at temperatures of 200, 250 and 300oC in a LECO camera – TGA 701 apparatus for 30 minutes. Fresh needles and their torrefied products were measured spectroscopically using FTIR Vertex 70v made by Bruker. Microscopic photographs of samples were taken in the scales 10 μm, 20 μm, and 50 μm using the TESCAN VEGA3 scanning electron microscope. The unprocessed plant material did not differ significantly from one another – the FTIR spectra of both plants exhibited the same functional groups. The biomass heat treatment led to significant changes in its chemical composition and topographic changes in the obtained biochars.
    Źródło:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2016, 5, 3; 41-50
    2084-5715
    Pojawia się w:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Distribution system for generating slowly varying magnetic fields
    Autorzy:
    Zaguła, G.
    Puchalski, C.
    Czernicka, M.
    Bajcar, M.
    Saletnik, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/411311.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Oddział w Lublinie PAN
    Tematy:
    magnetic fields
    magnetic stimulation
    coils
    Opis:
    The presented system describes a concept for generating slowly varying signals to stimulate biological objects with magnetic field. The system enables independent control of up to 10 induction coil and it generates changeable signal inducing magnetic fields in the range from 0.1 to 150μT and the frequencies from 0.1 to 100 Hz. The proposed system was applied to investigate the influence of magnetic fields with the aforementioned parameters on physical and chemical properties in selected types of fruits.
    Źródło:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2016, 5, 4; 73-78
    2084-5715
    Pojawia się w:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Impact of the biomass pyrolysis parameters on the quality of biocarbon obtained from rape straw, rye straw and willow chips
    Autorzy:
    Saletnik, B.
    Bajcar, M.
    Zaguła, G.
    Czernicka, M.
    Puchalski, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/411033.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Oddział w Lublinie PAN
    Tematy:
    biomass
    straw
    willow chips
    pyrolysis
    biocarbon
    macroelements
    Opis:
    In the article the results of studies conducted regarding the thermal processing of rape straw, rye straw and willow chips applying various parameters of the pyrolysis process are presented. Samples of biomass were subject to thermal processing at various temperatures and process durations, assessing the impact of the applied conditions on physicochemical parameters of the obtained pyrolysis products. The contents of phosphorus, potassium, magnesium, carbon and nitrogen were analysed. The studies have indicated that the pyrolysis process can be used to refine biomass, among others obtained from straw and chips, in the context of using it for fertilization. Modification of the pyrolysis process parameters (temperature, time) significantly impacted the concentration of the analysed macroelements. It has been stated that the highest content of phosphorus, potassium and magnesium in biocarbon (rape straw, rye straw and willow chips) can be obtained performing pyrolysis at the temperature of 5000C for 10 minutes. A significant impact of the pyrolysis parameters – temperature and time on the total content of macroelements in the obtained biocarbon was observed. The highest contents of phosphorus, potassium and magnesium were observed in the case of biocarbon obtained at the temperature of 5000C during 10 minutes, while the temperature of 4000C and duration of 10 minutes allowed to obtain the maximum content of carbon and nitrogen.
    Źródło:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2016, 5, 2; 139-143
    2084-5715
    Pojawia się w:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of biochar and biomass ash applied as soil amendment on germination rate of Virginia mallow seeds (Sida hermaphrodita R.)
    Autorzy:
    Saletnik, B.
    Bajcar, M.
    Zaguła, G.
    Czernicka, M.
    Puchalski, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/411275.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Oddział w Lublinie PAN
    Tematy:
    Virginia mallow
    germination rate
    biochar
    biomass ash
    macroelements
    Opis:
    The paper presents findings showing the influence of amending soil with biochar and biomass ash on the germination rate of Virginia mallow. Comparative analyses examined the relationship between the applied dosage of the natural fertilizers and the effectiveness of seed germination as well as mass of the plants at the initial stage of growth. The obtained plant material was also examined for the contents of selected macro-elements (phosphorus, potassium and calcium). The study shows that biochar applied as a fertilizer, at specific dosage, may enhance germination rate of Virginia mallow seeds. Addition of biomass ash into the soil, at certain doses, significantly impacts the growth of mass in Virginia fanpetals at the initial stage of development. It has been determined that addition of biochar, or biomass ash or their mixtures into the soil alters the concentration of phosphorus, potassium and calcium in above-ground parts of the plants.
    Źródło:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2016, 5, 3; 71-76
    2084-5715
    Pojawia się w:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mineral components analysis of selected dried herbs
    Autorzy:
    Zaguła, G.
    Fabisiak, A.
    Bajcar, M.
    Czernicka, M.
    Saletnik, B.
    Puchalski, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/411353.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Oddział w Lublinie PAN
    Tematy:
    physical parameters
    de Provence
    Basil and Oregano herbs
    caloric value
    color
    minerals
    ICP-OES
    Opis:
    This study includes the content of water, ash and volatiles in dried herbs like Oregano, Basil and de Provance. Moreover, amounts of H, N and C, and their calorific value were measured. The content of the following elements (Al, Ba, Ca, Cr, Cu, Fe, K, Mg, Mn, Na, Ni, P, S, Sr, Zn) in the tested herbs were established using the ICP-OES method. Basil leaves had the highest nitrogen and ash content at the level 4.5% and 15,9%. These herbs were characterized by a darker color as compared to oregano. Basil contained the richest source of Ca, K, Mg and P, while the lowest was found in herbs de Provence. The best source of Ca, K, Mg and P was basil, while their lowest amount was found in herbs de Provence (containing a mixture of different herbs), which mostly likely was the reason for the low amount of macro- and micro-components.
    Źródło:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2016, 5, 2; 127-132
    2084-5715
    Pojawia się w:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effects of mineral fertilization and pre-sowing magnetic stimulation on the yield and quality of sugar beet roots
    Autorzy:
    Zardzewiały, M.
    Saletnik, B.
    Bajcar, M.
    Zaguła, G.
    Czernicka, M.
    Puchalski, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/410809.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Oddział w Lublinie PAN
    Tematy:
    magnetic stimulation
    fertilization
    sugar beet
    yield
    Opis:
    Magnetic field may be applied as a physical factor to improve germination capacity as well as growth and development of plants. In order to investigate the influence of stimulation with magnetic field and fertilization on the yield and quality of sugar beet roots, a field experiment was carried out in 2015 and it was designed to examine three cultivars of sugar beets, two variants of magnetic stimulation applied to seeds: stimulation in the magnetic field of 40 mT, and control conditions (no stimulation), as well as two variants of mineral fertilization: optimal, based on the contents of nutrients in soil, and control conditions (no fertilization). Observation of the plants’ growth and development was conducted during the vegetation period. The examined values included yield of roots and leaves, as well as contents of heavy metals, macro- and micro-elements and sugar. The observations carried out during the experiment and following harvest showed that the applied variable factors used in the experiment, i.e. the pre-sowing stimulation with magnetic field as well as properly designed fertilization, positively affect the parameters of the plants germination, growth and development as well as the contents of sugar in the examined sugar beet roots.
    Źródło:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2016, 5, 3; 51-58
    2084-5715
    Pojawia się w:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The magnetic field stimulation system applied on strawberry fruits
    Autorzy:
    Zaguła, G.
    Puchalski, C.
    Czernicka, M.
    Bajcar, M.
    Saletnik, B.
    Woźny, M.
    Szeregii, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/410837.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Oddział w Lublinie PAN
    Tematy:
    magnetic fields
    strawberry
    monosaccharides
    firmness
    pole magnetyczne
    truskawki
    monosacharydy
    jędrność
    Opis:
    This paper presents an influence of three different magnetic fields stimulation systems for growing strawberry fruits: permanent magnetic field generated by neodymium magnets, ”high” strengths slow varying amplitudes magnetic fields generated by coreless solenoids supplied by autotransformer and low-frequency and low-amplitude sinusoidal magnetic fields generator created for this research. The system is controlled by computer and allows for an independent control of up to 10 induction coils inducing magnetic fields with amplitudes from 0.1μT to 150μT and frequencies from 0.1Hz to 100Hz. The proposed set-up was used during the growing seasons for strawberry plants stimulation. An increase in the extract level was observed in the case of the alternating magnetic field stimulation with the parameters: frequency – from 50Hz to 100Hz and amplitude – from 50μT to 100μT.
    Źródło:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2017, 6, 1; 117-122
    2084-5715
    Pojawia się w:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effects of fertiliser use and pre-sowing seed stimulation with a magnetic field on the mineral content and yield of three varieties of sugar beet roots
    Autorzy:
    Zaguła, G.
    Zardzewiały, M.
    Saletnik, B.
    Bajcar, M.
    Czernicka, M.
    Grabek-Lejko, D.
    Kasprzyk, I.
    Puchalski, Cz.
    Powiązania:
    https://bibliotekanauki.pl/articles/962649.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Opis:
    The study investigated the effects of using mineral fertilisers and pre-sowing stimulation of seeds on the yield of roots and the content of selected mineral elements in the roots of three sugar beet cultivars. The treatment consisted of applying a slowly changing magnetic field of 50 mT induction for a period of 60 seconds, so as to avoid heating the research material. The biological material was divided into four groups, taking into account the magnetic field and fertiliser applied. The first group was untreated seeds, the second one comprised seeds stimulated only with a magnetic field, the third one consisted of seeds pre-sowing stimulated with a magnetic field and then treated with mineral fertilisers and the last group was composed of seeds treated with mineral fertilisers. The assessment focused on the total yield of sugar beet roots as well as the content of eleven mineral elements, including three toxic metals analysed on an ICP-OES optical spectrometer. The application of mineral fertiliser resulted in a significant increase in the yield of sugar beet roots, and in a higher content of basic macroelements. On the other hand, stimulation with a magnetic field led to an increase in the yield of sugar beet roots which, although statistically higher than in the control group, was lower than after an application of mineral fertilisers. Additionally, the pre-sowing magnetic stimulation of sugar beet seeds resulted in a mild reduction in the transfer of elements from soil to plant, and a nearly complete blocking of such transfer in the case of harmful elements.
    Źródło:
    Journal of Elementology; 2017, 22, 4
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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