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    Wyświetlanie 1-9 z 9
    Tytuł:
    Analysis of the impact of nano-zinc, nano-iron, and nano-manganese fertilizers on chickpea under rain-fed conditions
    Autorzy:
    Sabaghnia, Naser
    Janmohammadi, Mohsen
    Powiązania:
    https://bibliotekanauki.pl/articles/763837.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
    Tematy:
    nano-fertilizer
    nanotechnology
    yield components
    Opis:
    Nanotechnology is an emerging field of science widely exploited in many scientific fields but its application in agriculture is rarely studied in the world. In the current study, application of nanotechnology in agricultural via the application of some micronutrient nano-fertilizers (nano-zinc, nano-iron, and nano-manganese) and different sulfur fertilizers have been investigated. Three levels of sulfur fertilizer (S1: no application, S2: 15 Kg ha-1, S3: 30 Kg ha-1) and three micronutrients nano-fertilizer (Nano1: nano-chelated zinc, Nano2: nano-chelated iron, and Nano3: nano-chelated manganese) were studied on some morphophysiological traits of chickpea. Results showed that the first two principal components of treatment × trait (TT) biplot accounted to 56% and 18% respectively of total variation. The vertex treatments in polygon biplot were S1-Nano2, S1-Nano3, S2-Nano1, S3-Nano1, and S3-Nano2 which S3-Nano1 treatment indicated high performance in day to maturity, plant height, first pod height, primary branch per plants, secondary branch per plant, number of pods per plant, number of seeds per plant and 1,000 seed weight. According to vector-view biplot, seed yield was positively associated with the number of pods per plant, harvest index and day to maturity. The ideal treatment identified the S3-Nano1 (30 kg ha-1 sulfur plus nano-chelated zinc) that might be used in selecting superior traits and it can be considered as the candidate treatment. The ideal trait of biplot showed that seed yield had the highest discriminating ability and they were the most representative and as the final target trait of producers, it has the ability of discrimination among different treatm ents. The best fertilizer treatment for obtaining of high seed yield was identified in the vector-view function of TT biplot as S3-Nano1 (30 kg ha-1 sulfur plus nano-chelated zinc).
    Źródło:
    Annales Universitatis Mariae Curie-Sklodowska, sectio C – Biologia; 2015, 70, 2
    2083-3563
    0066-2232
    Pojawia się w:
    Annales Universitatis Mariae Curie-Sklodowska, sectio C – Biologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effects of common and nano-zinc foliar application on the alleviation of salinity stress in Rosmarinus officinalis L.
    Autorzy:
    Mehrabani, L.V.
    Hassanpouraghdam, M.B.
    Shamsi-Khotab, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/11877337.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Opis:
    Foliar application of micronutrients (both in common and nano-forms) to meet the nutritional demands of plants and even to overcome the stressful environments has gained great attention of agricultural systems. In our experiments, we tried to use the foliar nano-zinc and common zinc sources under salinity conditions and study their effects on some morpho-physiological traits of rosemary (Rosmarinus officinalis) as factorial experiment based on RCBD design. ANOVA results revealed the interaction effects of salinity and zinc foliar application on elemental content (K+, Na+ and Zn2+), as well as essential oil yield of the plants. Carotenoids were influenced by the salinity levels. Soluble sugars content, flavonoids, H2O2 and MDA contents were influenced by individual levels of salinity and zinc foliar applications. Eventually, nano-zinc foliar spray was able to overcome the mild salinity effects on the plant growth and physiological parameters and it could be administered to the production systems and pioneer plant producers.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2018, 17, 6; 65-73
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Hydrotermalna synteza nano tlenku cynku z zastosowaniem wybranych substancji strącających
    Hydrothermal synthesis of nano zinc oxide with selected precipitating substance application
    Autorzy:
    Strachowski, T
    Powiązania:
    https://bibliotekanauki.pl/articles/168146.pdf
    Data publikacji:
    2013
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Ceramiki i Materiałów Budowlanych
    Tematy:
    synteza hydrotermalna
    strącanie
    nanotlenek cynku
    reaktor mikrofalowy
    hydrothermal synthesis
    precipitation
    nano zinc oxide
    microwave reactor
    Opis:
    Celem pracy było zbadanie wpływu zastosowanych substancji strącających na morfologię, wielkość ziarna nano tlenku cynku otrzymanego metodą hydrotermalną w reaktorze mikrofalowym. Jako substancji strącających użyto: zasady potasowej, mocznika, amoniaku oraz trietanoloaminy (TEA). Przeprowadzone eksperymenty pokazały jak istotny wpływ na właściwości otrzymywanego produktu ma dobór odpowiednich substancji strącających. Zauważyć można różny kształt ziaren, ich wielkość oraz powierzchnię właściwą. Wyniki przedstawione w niniejszym artykule są kontynuacją pracy nad doborem optymalnego reaktora do syntez hydrotermalnych nano tlenku cynku. Zamieszczone wyniki autor przedstawił w swojej rozprawie doktorskiej.
    The aim of this study was to investigate the effect of the substance precipitating on the morphology, particle size nano zinc oxide derived hydrothermal method in a microwave reactor. Was used as the precipitating substances: potassium hydroxide, urea, ammonia and triethanolamine (TEA). Conducted experiments have shown a significant effect on the properties of the resultant product is the selection of suitable precipitants. However, there were different grain shape, size and surface area. The results presented in this article is a continuation of work on the selection of the optimal reactor for hydrothermal synthesis of nano zinc oxide. Posted by results presented in his doctoral thesis.
    Źródło:
    Szkło i Ceramika; 2013, R. 64, nr 2, 2; 28-33
    0039-8144
    Pojawia się w:
    Szkło i Ceramika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of concomitant use of nano-structured essential metals and sulfur on growth characteristics of safflower
    Autorzy:
    Janmohammadi, Mohsen
    Seifi, Akbar
    Sabaghnia, Naser
    Aghaee, Ahmad
    Dashti, Shahriar
    Powiązania:
    https://bibliotekanauki.pl/articles/763914.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
    Tematy:
    balanced nutrition, calcareous soils, combined application, nano-chelated micronutrients, nano zinc oxide
    Opis:
    Deficiencies of zinc, manganese and iron are common in calcareous soils of arid and semiarid regions due to their reduced solubility alkaline conditions. However, sustainable crop production is essential for growing population. Sulfur fertilizers can increase micronutrients availability by decreasing soil pH. In order to investigate the influence of nano-chelated essential metals (Zn, Mn, Fe) and sulfur application (zero and 40 kg ha-1) an experiment was carried out in Maragheh, northwest of Iran. Phenological development, morphological and agronomic traits significantly responded to both factors. Results revealed that application of sulfur fertilizer considerably increased morphological traits such as ground cover, stem diameter, plant height and capitulum diameter. Mean comparison between nano-chelated metal showed that the highest value for seed yield and yield components (number of the capitulum per plants, seed number per capitulum and seed weight) was achieved through the application of nano-chelated Zn. The best performance was related to combined application of sulfur and nano-chelated Zn which was followed by nano-chelated Fe. Seed oil content was only affected by nano-metals, so the highest value was obtained by application of nano-chelated Zn. Overall our finding revealed that integrated application of sulfur and essential metals, especially Zn, is required to grow safflower successfully on calcareous soils. The efficiency of nano-chelated fertilizers can be noticeably increased by balanced nutrient management in semi-arid regions.
    Źródło:
    Annales Universitatis Mariae Curie-Sklodowska, sectio C – Biologia; 2016, 71, 1
    2083-3563
    0066-2232
    Pojawia się w:
    Annales Universitatis Mariae Curie-Sklodowska, sectio C – Biologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Coating synthetic materials with zinc oxide nanoparticles acting as a UV filter
    Pokrywanie materiałów syntetycznych cząstkami nano-tlenku cynku pełniącymi funkcję filtru UV
    Autorzy:
    Woźniak, B.
    Dąbrowska, S.
    Wojnarowicz, J.
    Chudoba, T.
    Łojkowski, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/168967.pdf
    Data publikacji:
    2017
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Ceramiki i Materiałów Budowlanych
    Tematy:
    nano zinc oxide
    UV filters
    polyethylene terephthalate (PET)
    ultrasounds
    nanotlenek cynku
    filtry UV
    politereftalan etylenu (PET)
    fale ultradźwiękowe
    Opis:
    Zinc oxide (ZnO) is one of physical filters that effectively absorb ultraviolet light in the UV-A range. ZnO produced at the Laboratory of Nanostructures was characterised by nanometric particle size of 28±4 nm (SSA BET). By coating the surface of a transparent film of polyethylene terephthalate (PET) with ZnO nanoparticles, the authors aimed at obtaining a coating that absorbs UV-A radiation. The coating process took place in a water suspension of ZnO, in which the phenomenon of acoustic cavitation was triggered, where the implosion of cavitation bubbles led to deposition of ZnO nanoparticles on the PET film surface. As part of the work, optimum parameters of the PET film coating process were developed, thus obtaining a filter in the form of a ZnO coating that effectively absorbs UV light.
    Tlenek cynku (ZnO) jest zaliczany do filtrów fizycznych skutecznie pochłaniających światło ultrafioletowe w zakresie UV-A. ZnO wytworzony w Laboratorium Nanostruktur charakteryzował się nanometryczną wielkością cząstek 28±4 nm (SSA BET). Pokrywając powierzchnię transparentnej folii z politereftalanu etylenu (PET) nanocząstkami ZnO autorzy mieli na celu uzyskanie warstwy pochłaniającej promieniowanie UV-A. Pokrywanie odbywało się w wodnej zawiesinie ZnO, w której wytworzono zjawisko kawitacji akustycznej, gdzie implozja pęcherzy kawitacyjnych prowadziła do osadzenia się nanocząstek ZnO na powierzchni folii PET. W ramach prac opracowano optymalne parametry procesu pokrywania folii PET uzyskując filtr w postaci warstwy ZnO, skutecznie pochłaniającej światło UV.
    Źródło:
    Szkło i Ceramika; 2017, R. 68, nr 3, 3; 15-17
    0039-8144
    Pojawia się w:
    Szkło i Ceramika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zinc and nano-ZnO – influence on living organisms
    Autorzy:
    Mielcarz-Skalska, L.
    Smolińska, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/410473.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Łódzka. Wydawnictwo Politechniki Łódzkiej
    Tematy:
    zinc
    nano-ZnO influence on organisms
    nano-zinc
    zinc NPs ecotoxicity
    cynk
    wpływ cynku na organizm
    nanotlenek cynku
    nanocząsteczki cynku
    Opis:
    The use of zinc is very common in many industries. The multitude of advantages, and capabilities make use of different forms of penetration of zinc into the environment. Due to its ability to migrate, zinc is also accumulated in living organisms. Zn is an essential trace element but both the deficiency or excess are extremely dangerous for living organisms. Nowadays nanozinc has been increasingly used. Nanozinc is a component of daily used products, like plastics, ceramics, glass, cement, rubber, foods and many others. This leads to spreading nanozinc the environment with the possibility of its penetration into living organisms. This article is a review of the impact of zinc and zinc nanoparticles on a variety of organisms: ranging from microorganisms through plants and animals, to people.
    Źródło:
    Biotechnology and Food Science; 2017, 81, 2; 93-102
    2084-0136
    2299-6818
    Pojawia się w:
    Biotechnology and Food Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect on magnetic properties of zinc doped nano ferrites synthesized by precursor or metod
    Autorzy:
    Anjaneyulu, T.
    Murthy, P. N.
    Rafi, Sk. Md.
    Bademiya, Sk.
    John, G. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/412213.pdf
    Data publikacji:
    2013
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Nanoferrites
    Cu-Zn ferrite
    Precursor Method
    Magnetic properties
    Opis:
    Nanocrystalline Cu-Zn ferrites have been synthesized using precursor method. Cu-Zn ferrites were formed at low temperature without any impurities. The particle sizes were observed to decrease from 60 nm to 50 nm with increasing non-magnetic Zn doping. Cu is used to decrease the sintering temperature. The X-ray diffraction (XRD) and IR analysis of Cu-Zn revealed the formation of Single-Phase Spinel structure at very low annealing temperature. The particle sizes observed from XRD is very well in agreement with SEM analysis. Cu-Zn ferrite nanoparticles were observed to be dependent on the particle size. Saturation (Ms) and Remanence (Mr) magnetization of ferrites increases due to the modifications occurred among the A-B, A-A and B-B interactions of Spinel structure. The Coercive force (Hc) decreases with increase of Zn ions concentration.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2013, 14; 37-43
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Oil Recovery from Oilfield Produced Water Using Zinc Oxide Nano Particle as Catalyst in Batch and Continuous System
    Autorzy:
    Alkhazraji, Hussein Ali Jabbar
    Alatabe, Mohammed Jaafar Ali
    Powiązania:
    https://bibliotekanauki.pl/articles/1955502.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    photocatalytic
    produced water
    oil content
    advanced oxidation processes
    AOPs
    ZnO/UV
    Opis:
    This article describes the design of photo catalyst reactor for oil removing from produced water. Real produced water containing a combination of organic compounds was treated with zinc oxide nanoparticles. In this study, ultraviolet radiations were used to find the efficiency of removing the oil content from the water produced that brought from the Al-Ahdab oilfield in kut/ Iraq by advanced oxidation process (AOP) using (ZnO/UV) in batch system and continuous system. In batch system were studied the effect of zinc oxide concentration (nanoparticles), time of irradiation, and pH. The highest removal rate of oil from the produced water (100%) was obtained during the following optimal conditions: ZnO NPs as catalyst = 55 mg/L, pH =3, at the time of irradiation of 90 minutes in batch experiments. In the continuous system, the effects of flowrate, number of UV-A lamp and time of reaction were studied, the results obtained were the efficiency of decomposition decreases with increasing the flow rate of solution in reactor, the maximum removal efficiency of the process (ZnO/UV) was 80% at 20 mL/min and irradiation time 120 min. In general, zinc oxide is beneficial through its high oil adsorption capacity in addition, It lowers the amount of oil in the produced water.
    Źródło:
    Journal of Ecological Engineering; 2021, 22, 8; 278-286
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fabrication and Investigation of Thermal and Wear Properties of Zinc Novel Coatings Reinforced with Nano-Al2O3 and Cr2O3 Particles
    Autorzy:
    Popoola, A. P. I.
    Malatji, N.
    Fayomi, O. S. I.
    Powiązania:
    https://bibliotekanauki.pl/articles/356056.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    microstructure
    corrosion
    nanocomposite coatings
    thermal stability
    tribology
    Opis:
    The study of the thermal, wear and corrosion properties of developed nanocomposite coatings of Zn-Al2O3 and Zn-Cr2O3 was carried out. The coatings were produced by electrodeposition technique from chloride acidic bath. Laboratory tube furnace was used for the thermal analysis. The wear test was performed using CETR tribo-tester dry reciprocating tester. The hardness properties were investigated using diamond base Dura microhardness tester. Scanning electron microscope (SEM) affixed with energy dispersive spectrometry was used to study the morphological characteristics, before and after wear deformation. The corrosion degradation behavior was observed using linear polarization technique in 3.5% NaCl. In all the interaction, the effects of the incorporated Al2O3 and Cr2O3 nanoparticulates on zinc rich coatings were found to have an excellent influence on the wear, corrosion and thermal stability properties. The fabrication and properties exhibited by the alloys were therefore found to be satisfactory and shows good predictability and applicability.
    Źródło:
    Archives of Metallurgy and Materials; 2016, 61, 3; 1671-1676
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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