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Showing 1 to 20 of 26 for “"KNO3"”.
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Vejos mišinio lapų atspindžių matomoje ir artimojoje infraraudonoje šviesoje tyrimas /
… with solutions of different concentration of KNO3 nutrients). The reflection of leaves was measured using photo-electronic registration system with light emitting diodes in four wavelength bands- 470, 525, 660 and 860 nm and CCD color camera for calculation of visible wavelength reflection in …
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Culturing and processing of Dunaliella for enrichment of enzymatic antioxidants
… (10, 20, 30°C), nitrogen level (0.05, 0.5, 5 mM KNO3)] on cell density, the accumulation of antioxidant molecules, antioxidant enzyme activity and protein content were investigated. To evaluate the post-harvest storage stability of antioxidant enzymes, the effect of storage time (0 - 247 days) …
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Field Measurements of Denitrification From Fertilizer Applied to Turfgrass
… conditions. Highly enriched 15N-labeled KNO3 or urea was applied to replicated plots on a Flanagan silt loam soil under Kentucky bluegrass (Poa pratensis L.) or creeping bentrgrass (Agrostis palustris Huds). Atmospheric samples were collected daily (data extrapolated to a 24-h period) for …
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Thermo properties of quaternary molten salt heat transfer fluid for heat recovery system
… composition of 10wt% LiNO3 + 10wt% NaNO3 + 40wt% KNO3 + 40wt% Ca(NO3)2) has been verified to be below 100oC, which was 97.71oC with the highest heat capacity of 0.46J/goC. From TGA testing, the liquidus temperature and maximum thermal stability temperature of Sample 5 were detected at the …
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Electrocaloric materials and devices
… Single crystals of inorganic salts (NH4)2SO4 , KNO3 and NaNO2 were obtained. Applying 380 kV cm−1 across (NH4)2SO4 , it was found that |∆S| ∼ 20 J K−1 kg−1 and |∆T | ∼ 4 K, using the indirect method near the Curie temperature TC = 223 K. Without the ‘resetting’ indirect method, |∆S| ∼ 45 J K−1 …
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GERMINACIÓN, VIGOR, VIABILIDAD, CALIDAD Y MEJORA DE SEMILLAS DE CEBOLLA (ALLIUM CEPA L.)
… conditioning were done with deionized water, KNO3 0,1 and 0,3 M and 150, 250 and 350 g•kg-1 PEG-6000 solutions for periods of 24, 48 and 96 h. In PEG-6000 seed osmoconditioning, a significant loss of germination was observed. Deionized water and KNO3 solutions improved seed quality, improving …
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Investigation of nutrient solutions for the hydroponic growth of plants
… containing isotopically-enriched nitrogen-15 KNO3 (98% labelled) as the only source of nitrogen. Plants were cropped and left to ferment in water for 2 weeks to create a radish "tea", which was used as a source of nitrogen for radish grown in a second hydroponics experiment. After 5 weeks of …
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Electrochemical Synthesis of Silver Nanoparticles for Applications in Nitrate Detection, Catalysis and Antibacterial Activity
… containing 0.05 mol dm-3 AgNO3, 0.1 mol dm-3 KNO3 and 423.75 g dm-3 PVP with an electrochemical pulse of -6.0 V vs Ag+/Ag. The PVP-protected silver nanoparticles showed excellent stability over a 30 day period and instability was only observed on the addition of AgNO3 or KNO3. The …
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Ocorrência e superação da dormência em sementes de mamão (Carica papaya L.) em função da época de colheita dos frutos
… em NaOCl 0,5% por 1, 2, 3, 4 e 5 h, imersão em KNO3 1 M por 30, 60, 90 e 120 min., imersão em GA3 400, 600 e 800 ppm por 24 h, umedecimento do substrato com GA3 400, 600 e 800 ppm, armazenamento das sementes por 3, 6 e 9 meses e choque térmico a 15-35º C . Quantificou-se ainda, o conteúdo de …
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Synthese und Komplexbildungseigenschaften ausgewählter Maillard-Reaktionsprodukte
… wurden pH-potentiometrisch bestimmt (I[KNO3] = 0,15 M; θ = 25 °C). Durch die Auswertung der Protonierungskonstanten der gebildeten Komplexe und das Vermessen geeigneter Derivate konnten für die untersuchten Komplexe zusätzlich die Koordinationsstellen der Liganden aufgeklärt werden. Die …
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Modification of Ternary Nitrate Mixture's Thermal Properties
… A ternary nitrate salt mixture (Ca(NO3)2 ·4H2O+KNO3+ NaNO3) at equal ratio embedded with MWCNTs and doped with Sol-gels were prepared and tested. The weight percentage of MWCNTs and aluminum dopant was approximately 1-2% each. After the samples were mixed together, they were placed in a vacuum …
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Formation and segregation of melts during deformation : an approach with analogue material
… analogues consisting of mixtures of LiNO3 and KNO3 as a melting component and crushed baryte featuring as a non-melting framework. Four sets of experiments with strain rates from 1x10E-5 s-1 to 5x10E-4 s-1 at melt contents between 4.4 , 8.8 , 17.7 and 26.6 have been conducted. Hot isostatically …
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Novo método para a síntese de sulfonamidas mediado pela célula eletroquímica de cavidade
… no compartimento intermediário (LiClO4, KNO3 e NaI) e (5) proporção entre os reagentes benzilamina/p- toluenossulfinato de sódio. As condições experimentais ideais foram: 300 mg de pó de grafite, corrente de 20 mA, tempo de eletrólise de 1 h, LiClO4 como eletrólito de suporte e proporção …
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Lead Sorption Efficiencies of Natural and Sunthetic Mn and Fe-oxides
… ionic strength of either 0.01 M NaNO3 or 0.01 M KNO3 both at pH 5.5. The experimental effluent solution was analyzed using aqueous spectroscopic methods and the reacted solids were analyzed using microscopy (field emission scanning electron microscopy, FE-SEM), structure analysis (powder X-ray …
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Germination of the grass weed Eleusine indica (L.) Gaertn. population as affected by temperature light and its response to glyphosate
… conditions (82.42%). Seeds germinated best in KNO3 medium regardless of alternating temperature regimes or light conditions. The highest final germination was recorded in KNO3 medium in the dark (99.17%). Germination of E. indica was high (>80%) at all three alternating day/night temperature …
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Implementing Electrochemical Impedance Spectroscopy for the In Situ Analysis Of Conducting-Membrane Fouling
… buffered saline (PBS) and potassium nitrate (KNO3), respectively. To better understand the spatial position and magnitude of fouling, EIS spectra were interpreted by fitting equivalent circuits informed by the physical structures of the membrane surface and interior. </p><p>Data from the EIS …
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Intact soil core experiments reveal that temperature and depth influence microbial community function and impact the fate of nitrogenous fertilizer amendments
… IL were imbibed with 15N labelled NH4Cl and KNO3 to simulate fertilizer input. The unsaturated cores were then incubated under a summer diurnal temperature regime reflective of natural temperature profiles observed at specified depths (20-35°C shallow, 22-24°C deep). At nine time points over …
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Molekulių įspaudų technologijos taikymas melamino jutikliuose /
… coating from a solution of 5 mM HAuCl4 and 0.1 M KNO3 was found to be the most suitable for the system, with the following parameters: potential: 120 s, -0.4 V. This allowed to increase the sensitivity of the sensor by a factor of 4 compared to the standard introduction of nanoparticles via a …
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Investigation of Natural Zeolitic Tuffs on their Ability for Sewage Cleaning Purposes
… on the regeneration solution used (CaCl2, KNO3 or NaNO3) as well as the previously used form of zeolitic tuff. In general, more metal ions were removed from the Na-form of brownish zeolitic tuff, and this amount it was further increased by a second cycle of regeneration.
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Synthesis and characterization of high-performance supercapacitor devices based on carbon/MnO2 composite and carbonized iron cations adsorbed onto polyaniline/nickel graphene foam
… 1.0 A g-1 and cell potential of 2.2 V in 2.5 M KNO3 electrolyte, the MnO2-C//C-Fe/PANI/Ni-GF asymmetric device displayed a high specific energy and power of 34.6 W h kg-1 and 1100.0 W kg-1 respectively. The device further displayed long-term cycling stability with capacitance retention of 98% …
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