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    Wyświetlanie 1-14 z 14
    Tytuł:
    Mechanochemical Preparation of Organic-Inorganic Hybrid Materials of Drugs with Inorganic Oxides
    Autorzy:
    Shakhtshneider, T.
    Myz, S.
    Dyakonova, M.
    Boldyrev, V.
    Boldyreva, E.
    Nizovskii, A.
    Kalinkin, A.
    Kumar, Rakesh
    Powiązania:
    https://bibliotekanauki.pl/articles/1503409.pdf
    Data publikacji:
    2011-08
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    62.25.-g
    Opis:
    The nanocomposites of piroxicam and meloxicam with alumina were obtained by ball-milling as a result of distribution of the drugs at the surface of oxide with formation of the stable composites. The observed changes in the IR spectra of the ball-milled mixtures suggested the interaction of the drugs with the alumina active surface sites. The functional groups in molecules of piroxicam and meloxicam involved into formation of bonds between the drugs and the surface of the oxide were determined, they are amide, sulfate, enol groups, and pyridyl / thiazolyl nitrogen atoms. It appears that the formation of the new bonds at the contacts of particles in the composite leads to the stabilization of the drugs in metastable state inhibiting their transformation into initial crystalline form.
    Źródło:
    Acta Physica Polonica A; 2011, 120, 2; 272-278
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of soil specimen preparation and test methods on soil organic matter content
    Wpływ przygotowania próbek gruntów i metodyki oznaczania na zawartość części organicznych w gruncie
    Autorzy:
    Nguyen, Giang
    Powiązania:
    https://bibliotekanauki.pl/articles/22676575.pdf
    Data publikacji:
    2023-12
    Wydawca:
    Uniwersytet Bielsko-Bialski
    Tematy:
    soil organic matter content
    oxidation method
    loss of weight on ignition
    specimen preparation
    organic soil
    zawartość części organicznych w gruncie
    metoda utleniania
    strata masy przy prażeniu
    grunt organiczny
    przygotowanie próbek
    Opis:
    Soil organic matter content (SOM) is used e.g. in soil classification and erosion evaluation. However, its value depends on soil specimen preparation and test method so it is useful to deal with these issues. Totally 150 specimens of soils CI, MS (from Bielsko-Biała, Poland) and different 3 soils, all classified as GC (from Ujsoły, Poland) were tested. To obtain values of SOM, the oxidation method using 30% hydrogen peroxide solution (H2O2) and loss of weight on ignition method (LOI) at 800°C (LOI-800) according to Polish Standard PN-88/B-04481 and LOI at 440°C according to the ASTM D 2974-87 (LOI-440) were applied. The tests were carried out for particles smaller than 0.5 mm. For every soil, 30 specimens (every with a mass about 10 g of dry soil) were prepared from 2400 g of dried soil for 3 methods, so for every method, 10 specimens, taken from various soil amount in frame of total 800 g were prepared. The results showed that values of SOM of tested soils varied from 0.33% to 6.09%. The largest relative difference in values of SOM, caused by soil specimen preparation, was 97.63% (H2O2, soil GC) and the smallest relative difference was 1.65% (LOI-800, soil CI). The largest relative difference in values of SOM, caused by test method was 1126.53% (LOI-800 and H2O2, soil GC) and the smallest relative difference was 15.17% (LOI-800 and H2O2, soil CI). The various values of SOM caused by different test method differently classify soils from organic point of view by the ISO14688-2:2004.
    Przeanalizowano wpływ przygotowania próbki gruntu i metody oznaczania na zawartość materii organicznej (SOM). W sumie przebadano 150 próbek gruntów (przygotowanych z różnej ilości gruntu) z Bielska-Białej (CI, MS) oraz z Ujsół (GC). Aby uzyskać wartości SOM zastosowano metodę utleniania 30% roztworem nadtlenku wodoru (H2O2) oraz metodę straty masy przy prażeniu (LOI) w temperaturze 800°C (LOI-800) i 440°C (LOI-440). Badania przeprowadzono dla cząstek gruntu mniejszych niż 0,5 mm. Wartości SOM wahały się od 0,33 do 6,09%. Największa względna różnica wartości SOM spowodowana przygotowaniem próbek wyniosła 97,63% (H2O2, grunt GC), a najmniejsza 1,65% (LOI-800, grunt CI). Największa względna różnica wartości SOM spowodowana metodą badania wyniosła 1126,53% (LOI-800 i H2O2, grunt GC), a najmniejsza 15,17% (LOI-800 i H2O2, grunt CI). Uzyskiwane różne wartości SOM mogą skutkować odmiennym klasyfikowaniem gruntu pod kątem organicznym.
    Źródło:
    Polish Journal of Materials and Environmental Engineering; 2023, 6(26); 57-65
    2720-1252
    Pojawia się w:
    Polish Journal of Materials and Environmental Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Organic bio-wastes as potential precursors used for preparation of activated carbons- review
    Autorzy:
    Zięzio, Magdalena
    Charmas, Barbara
    Powiązania:
    https://bibliotekanauki.pl/articles/2079939.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
    Tematy:
    bio-wastes utilization
    pyrolysis
    activated carbons
    Opis:
    Currently significant amounts of wastes, which pose a real threat to the natural environment and human health, are produced worldwide. One way to get rid of waste materials is to dispose them in landfills but some of them no longer perform their function due to overfilling. For this reason, scientists pay more and more attention to the search for  their possible disposal and/or recycling, as it is impossible to prevent its generation completely. Recently, many researchers have taken up the topic of the use of agri-food wastes due to their low cost and widespread availability as a starting material for the production of activated carbons. As a result, it was found out that organic wastes are very successful precursors of organic matter and the obtained activated carbons are characterized by a very well developed porous structure. The paper presents a literature review regarding the possibility of using various waste materials under different impregnation and preparation conditions to obtain activated carbons with a developed surface area and good adsorption properties.
    Źródło:
    Annales Universitatis Mariae Curie-Skłodowska, sectio AA – Chemia; 2019, 74, 1; 9-29
    2083-358X
    Pojawia się w:
    Annales Universitatis Mariae Curie-Skłodowska, sectio AA – Chemia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Tekhnologicheckie osnovy poluchenija i primenenie gribnykh polisakharidov v organicheskom zemledelii
    Technological basis of preparation and mushroom polysaccharides in organic farming
    Autorzy:
    Melnychuk, M.
    Golub, H.
    Dubrovin, V.
    Teslyuk, V.
    Baranovsky, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/77563.pdf
    Data publikacji:
    2013
    Wydawca:
    Komisja Motoryzacji i Energetyki Rolnictwa
    Tematy:
    plant protection
    plant disease
    protective mechanism
    chitin
    glucan
    fungi
    mushroom
    polysaccharide
    technical efficiency
    organic farming
    Opis:
    Found that an effective and new areas to protect plants from diseases is the induction of protective mechanisms. Study of various substances that are elisytorni properties and determined that the promising applcations of chitin and its derivatives. Affordable source of chitin and glucans can be mushrooms. The technology of obtaining mikobiopreparatu from fungal glucans and sound biological effectiveness of its use on different crops.
    Źródło:
    Motrol. Motoryzacja i Energetyka Rolnictwa; 2013, 15, 4
    1730-8658
    Pojawia się w:
    Motrol. Motoryzacja i Energetyka Rolnictwa
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    New insight into organic anion transporters from the perspective of potentially important interactions and drugs toxicity
    Autorzy:
    Mor, A.L.
    Kaminski, T.W.
    Karbowska, M.
    Pawlak, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/70038.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Fizjologiczne
    Tematy:
    organic anion transporter
    transmembrane transporter
    drug-drug interaction
    central nervous system
    glycosylation
    herbal preparation
    dietary supplement
    pharmacokinetic interaction
    Źródło:
    Journal of Physiology and Pharmacology; 2018, 69, 3
    0867-5910
    Pojawia się w:
    Journal of Physiology and Pharmacology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preparation of a solid product with high water content and water retention properties
    Autorzy:
    Cvijić, Marko
    Golob, Janvit
    Powiązania:
    https://bibliotekanauki.pl/articles/778509.pdf
    Data publikacji:
    2020
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    water in organic phase emulsion
    phase equilibrium
    mass transfer
    Luikov’s parameters
    theory of drying
    Opis:
    This work presents the development of a solid product with a high water content (99.08%) and water retention properties. Water was chosen as a potential carrier of a volatile active substance and water retaining properties of material were studied at a temperatures and relative air humidity values with the support of the theory of drying. The study first confirmed the role of Gibbs’ phase rule in the research of solid-gas phase equilibrium, and second presented drying kinetics developed from Fick’s second law and expressed with the first term of the Fourier equation. Solutions of equations for phase equilibrium and mass transfer enabled the calculation of Luikov’s parameters, which are important for equilibrium relations and for the diffusivity of water in a solid for mass transfer prediction. The obtained thermodynamic and kinetic parameters enabled product characterisation that may be important for the prediction of retention times.
    Źródło:
    Polish Journal of Chemical Technology; 2020, 22, 3; 17-23
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preparation of conjugated nitroalkenes: short review
    Autorzy:
    Zawadzińska, Karolina
    Gaurav, Gajendra Kumar
    Jasiński, Radomir
    Powiązania:
    https://bibliotekanauki.pl/articles/35110314.pdf
    Data publikacji:
    2022
    Wydawca:
    Radomskie Towarzystwo Naukowe
    Tematy:
    nitroalkenes
    organic synthesis
    nitrocompounds
    nitroalkeny
    synteza organiczna
    nitrozwiązki
    Opis:
    Key protocols of the preparation of conjugated nitroalkenes were reviewed and critically discussed. It was established, that optimal strategy for the obtaining of target compounds are small molecules extrusion processes from saturated nitro-compounds. Among them, the most universal methodologies based on carboxylic acids elimination have been discussed, which provide for smooth applications.
    Źródło:
    Scientiae Radices; 2022, 1, 1; 69-83
    2956-4808
    Pojawia się w:
    Scientiae Radices
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preparation and selected properties of organic/inorganic composites based on poly(ester-ether-ester) terpolymers and nanocrystalline hydroxyapatite
    Autorzy:
    Fray, M. el
    Zdebiak, P.
    Ślósarczyk, A.
    Paszkiewicz, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/284343.pdf
    Data publikacji:
    2007
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
    Tematy:
    poliestry
    elastomer
    hydroksyapatyt
    nanokompozyty
    polyesters
    thermoplastic elastomers
    hydroxyapatite
    nanocomposites
    Opis:
    Novel organic/inorganic hybrid materials prepared from multiblock terpolymer as a polymeric matrix containing phthalic acid segments (as in poly(butylene terephthalate) (PBT) as hard block and hydrogenerated dimmer fatty acid, namely dilinoleic acid sequences (DLA) as hydrophobic soft block, and poly(ethylene glycol) (PEG) as second soft block of hydrophilic nature are presented in this work. Two types of nanocrystalline hydroxyapatites (non-calcined, HAP I, and sintered, HAP III) were used in amount of 0.5 wt% as inorganic phase within hydrophilic/hydrophobic multiblock terpolymer matrix. These hybrid materials were prepared during in situ polycondensation method. Alpha-tocopherol was used as non-toxic thermal stabilizer since these materials are targeted for biomedical applications. Additionally, the possibility of stabilizing effect of HAPs was evaluated through the synthesis of nanocomposites without alpha-tocopherol (only in the presence of HAP). It has been found that naocrystalline hydroxyapatite can serve as a very effective stabilizing agent in term of the enhancement of mechanical properties of poly(ester-ether-ester) terpolymers containing PEG. Thermal and mechanical properties of organic/inorganic composite (hybrid) materials were strongly dependent on the type of HAP: higher tensile stress and strain, and increased glass transition temperature were found for composites containing sintered HAP III.
    Źródło:
    Engineering of Biomaterials; 2007, 10, 62; 2-7
    1429-7248
    Pojawia się w:
    Engineering of Biomaterials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biological nitrogen in Belarusian farming
    Autorzy:
    Persikova, T.F.
    Tsyganov, A.R.
    Vildflush, I.R.
    Powiązania:
    https://bibliotekanauki.pl/articles/9740354.pdf
    Data publikacji:
    2004
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    nitrogen
    biological nitrogen
    clover
    lupin
    wheat
    potato
    organic matter
    mineral fertilizer
    application method
    bacterial preparation
    growth regulator
    productivity
    quality
    soil fertility
    efficiency
    forecast
    farming
    Belorussia
    Źródło:
    Annales Universitatis Mariae Curie-Skłodowska. Sectio E. Agricultura; 2004, 59, 4; 1651-1661
    0365-1118
    Pojawia się w:
    Annales Universitatis Mariae Curie-Skłodowska. Sectio E. Agricultura
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of the Effect of Biological Growth-Regulating Preparations on the Yield of Agricultural Crops under the Conditions of Steppe Zone
    Autorzy:
    Skok, Svetlana
    Breus, Denys
    Almashova, Viktoria
    Powiązania:
    https://bibliotekanauki.pl/articles/27323837.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    agricultural land
    winter wheat
    sunflower hybrid
    vegetable pea
    growth-regulating preparation
    organic agriculture
    Opis:
    Increasing the production of high-quality agricultural products with minimal negative impact on environmental components is one of the priority tasks of modern agriculture. Due to the global world trends aimed at ensuring a sustainable and safe economy and reducing the use of chemical protection agents, it is predicted that the share of alternative biological methods in the European agricultural sector will increase to 10%, the area of agricultural land for organic farming will increase by 50%. Under the conditions of intensification of agricultural production, a comprehensive approach to the use of microelements and microbial biological preparations, which enhance growth processes, anti-stress, protective effect and increase the yield of agricultural crops, becomes expedient. The article deals with the effects of biological growth-regulating preparations on winter wheat, sunflower hybrids, and vegetable peas. It was established that when processing winter wheat with the “Grainactive-C” preparation, the greatest increase in grain yield was observed under the conditions of 3-fold treatment of crops in the phase of tillering, flag leaf, and grain filling (3.2 t/ha, or 18%). At the same time, the greatest effect was recorded when treating crops in the tillering phase, where the yield increase was 2.9 c/ha, or +16% compared to the control. It has been studied that the effectiveness of the preparation “Nano-Agro” when applied to sunflower hybrids also depends on the time of its application. The same increase – 0.9 t/ha of seeds (+12% compared to the control) was observed during pre-sowing treatment of seeds and during the vegetation phase (before flowering), but the yield increase when treating sunflower after flowering phase was only 0.32 t/ha (4%). In order to restore disturbed soils and increase the efficiency of agricultural production, the introduction of leguminous crops into the crop rotation becomes important, after harvesting them up to 80 kg/ha of biological nitrogen remains and humus accumulates in the arable layer of the soil up to 10.8 t/ha. Treatment of vegetable peas seeds with Rhizohumin contributed to the accumulation of humus by 3.96 t/ha. Through field studies, the article proves the positive effect of growth-regulating preparations on agricultural crops under the conditions of the Steppe zone of Ukraine.
    Źródło:
    Journal of Ecological Engineering; 2023, 24, 7; 135--144
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The method of preparation and use of cutting fluids based on organic components
    Metoda wytwarzania i zastosowanie cieczy obróbkowych na bazie składników ekologicznych
    Autorzy:
    Rogoś, E.
    Urbański, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/257622.pdf
    Data publikacji:
    2015
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Technologii Eksploatacji - Państwowy Instytut Badawczy
    Tematy:
    cutting fluids
    cardanol ethoxylates
    glycerol fraction
    ciecz obróbkowa
    oksyetylaty kardanolu
    frakcja glicerynowa
    Opis:
    The specificity of the machining operation, during which the machining fluids have direct contact with the environment and the human body, creates the need to seek solutions that would increase the application of ecologically safe products. An alternative to petroleum and synthetic bases may be vegetable products having good ecological properties. This paper presents a method for producing cutting fluids based on glycerol fraction from the production of biodiesel and a mixture of cardanol ethoxylates and synthetic ester. The produced fluids were studied in terms of their functional properties, which determine their operational suitability as well as their physicochemical and microbiological properties. The wear of a tool bit after working in an environment of such fluids was also determined. It has been found that the cutting fluids, prepared according to the method developed, have preferred functional properties. They meet the performance requirements for these products and can be used in metalworking erosive processes.
    Specyfika eksploatacji, podczas której ciecze obróbkowe mają bezpośredni kontakt z otoczeniem i organizmem człowieka, generuje potrzebę poszukiwania rozwiązań zwiększających aplikację produktów bezpiecznych ekologicznie. Alternatywą dla baz naftowych i syntetycznych mogą być produkty roślinne, charakteryzujące się dobrymi właściwościami ekologicznymi. W artykule przedstawiono metodę wytwarzania cieczy obróbkowych na bazie frakcji glicerynowej z produkcji biodiesla oraz mieszaniny oksyetylatu cardanolu z syntetycznym estrem. Zbadano właściwości funkcjonalne wytworzonych cieczy, decydujące o ich przydatności eksploatacyjnej, a także ich właściwości fizykochemiczne i mikrobiologiczne. Określono także zużycie noża tokarskiego po obróbce w środowisku tych cieczy. Stwierdzono, że ciecze obróbkowe, wytworzone według opracowanej metody, charakteryzują się korzystnymi właściwościami funkcjonalnymi. Spełniają wymagania eksploatacyjne, dotyczące tego rodzaju produktów i mogą być stosowane w procesach ubytkowej obróbki metali.
    Źródło:
    Problemy Eksploatacji; 2015, 2; 111-119
    1232-9312
    Pojawia się w:
    Problemy Eksploatacji
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Using Gas Chromatography for Indoor-Air Quality Control in Conservation and Renovation Studios
    Autorzy:
    Ligor, T.
    Gorczyca, P.
    Buszewski, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/90290.pdf
    Data publikacji:
    2005
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    volatile organic compounds (VOCs)
    air analysis
    gas chromatography
    occupational exposure
    sample preparation
    chromatografia gazowa
    zagrożenia chemiczne
    jakość powietrza
    analiza powietrza
    kontrola powietrza
    Opis:
    Investigations were carried out in the Department of Conservation of Painting and Polychrome Sculpture and in the Screen Printing Studio of the Faculty of Art at Nicolaus Copernicus University. Concentration of the vapours of organic solvents was measured in 2 workshops: the Art Conservation Studio and the Screen Printing Studio. This study attempts to evaluate the work environment in both studios by analysing the concentration of vapour solvents over 5 to 7 years of measurements. Volatile solvents—aliphatic and aromatic hydrocarbons, alcohols, esters and ketones—were detected in investigated workplaces. These compounds have a wide range of applications in cleaning and removing old varnishes, lacquers and paints; inhalation is the main route of exposure. Vapour was collected using an active sampling method.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2005, 11, 3; 251-261
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Effect of Organic Fertilisation of Liquid Manure and the PRP Fix Preparation on the Yield and Chemical Composition of Winter Rape Seeds and Spring Wheat Grain
    Autorzy:
    Możdżer, E.
    Meller, E.
    Sammel, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/123495.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    lead
    cadmium
    chromium
    metal fraction
    sewage sludge
    Opis:
    In 2011–2013, a field experiment was carried out at the Experimental Station of Cultivar Evaluation in Szczecin-Dąbie. The experiment aimed at determining the effect of slurry without and with addition of increasing PRP Fix preparation doses on the crop yields and some of their qualitative traits. The soil where the experiment was set up was slightly acidic (pHKCL 5.95); nitrogen, phosphorus and potassium contents were 0.86, 1.55 and 2.70 g·kg-1 d.m., respectively. The total content of macro-elements for this type of soil was average. The content of bioavailable forms of phosphorus, magnesium and sulphur was average, while that of potassium was high. The content of organic carbon in soil was low, while the C:N ratio was 10.2:1 and was average for that type of soils. The obtained results show that the applied fertilisation with slurry combined with PRP Fix preparation and PK fertilisation increased the yield of winter rape seeds and spring wheat grain and the content of macro-elements being examined in them. The yields of the test plants were larger in the fertilisation objects where fertilisation with slurry with addition of 8 kg PRP Fix preparation per 1 m3 slurry was applied, when compared to those where only mineral fertilisation or slurry was used. Winter rape seeds and spring wheat grain usually contained more nitrogen, phosphorus, potassium, magnesium, calcium and sulphur in the fertilisation objects being fertilised with slurry with PRP Fix preparation in the amount of 8 or 12 kg per 1 m3 slurry with additional PK fertilisation (experimental series II) compared to experimental series I without additional PK fertilisation. Differences in the content of macro-elements in test plants after application of the fertilisation scheme being used varied. These differences were not always significant.
    Źródło:
    Journal of Ecological Engineering; 2017, 18, 1; 139-146
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of ProBio Original TM (EM-Farming TM) on the composting process of biodegradable waste; its influence on final product quality and quantity
    Autorzy:
    Hlisnikovsky, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/61550.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    composting process
    biodegradable waste composting
    final product
    quality
    quantity
    organic matter
    bioactive additive
    ProBio Original preparation
    garden composter
    compost quality
    nutrient concentration
    temperature
    chemical analysis
    Opis:
    The aim of this experiment was to establish the effect of the ProBio OriginalTM preparation (hereinafter "preparation") on the composting process of biologically degradable waste in garden composters. The first stage of research was focused on the effect of different concentrations of the preparation onto the composting process in garden composters. Monitored parameters were the effect of the preparation on the course of temperatures during the composting process, material volume decrease and effect on the quality of the composted material. The input raw material was freshly cut grass provided by Centrální kompostárna (Central Composting Plant) Brno, a.s. The experiment was carried out in five garden composters (290 L) for a period of 13 weeks. Three composters were enriched with the preparation at different concentrations, two of them were reference composters. During the experiment, the course of the composting process was monitored (temperature, loss in material volume) as well as the compost quality (C/N ratio, nutrients, heavy metals).During the experiment, a positive influence was observed of the preparation on the course of temperature in the composters. The enriched composters reached in the mineralization phase the thermophilic temperature ranges for a period of two weeks. The rate of composted material volume reduction in the composters with the preparation was higher than that in the reference composters. Moreover, a positive effect of the preparation was observed on the compost quality. As compared with composts from the reference composters, Ca and Mg concentrations in the resulting compost from the enriched composters were higher. The effect of the preparation on the concentration of other nutrients was not demonstrated.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2011, 11
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-14 z 14

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