Fakulta chemická
Browse by
Recent Submissions
-
Compositional and Temperature Effects on the Rheological Properties of Polyelectrolyte–Surfactant Hydrogels
(MDPI, 2019-05-27)The rheological properties of hydrogels prepared by physical interactions between oppositely charged polyelectrolyte and surfactant in micellar form were studied. Specifically, hyaluronan was employed as a negatively charged ... -
How Humic Acids Affect the Rheological and Transport Properties of Hydrogels
(MDPI, 2019-04-19)Humic acids are often regarded as substances with a supramolecular structure which plays an important role in Nature. Their addition into hydrogels can affect their behavior and functioning in different applications. This ... -
Evaluation of the Surfactant Leaching from Alkali-Activated Slag-Based Composites Using Surface-Tension Measurements
(Institute of Metals and Technology, 2019-02-01)This work tries to evaluatethe amount of surfactant leached from the AAS-based mortars using a very simple surface-tension (ST) measuring technique.Mortars based on AAS with and without2%ofPEGvarying in molecular weight ... -
Plasmachemical Conservation of Corroded Metallic Objects
(IOP Publishing, 2016-05-17)Plasmachemical process for conservation of metallic objects is a new way of effective and fast treatment of corroded objects. This process consists of two main steps: corrosion removal and deposition of a protecting film. ... -
Density of bulk trap states of hybrid lead halide perovskite single crystals: temperature modulated space-charge-limited-currents
(Springer Nature, 2019-03-04)Temperature-modulated space-charge-limited-current spectroscopy (TMSCLC) is applied to quantitatively evaluate the density of trap states in the band-gap with high energy resolution of semiconducting hybrid lead halide ... -
Comparison of Electrochemical Methods for the Evaluation of Cast AZ91 Magnesium Alloy
(MDPI AG, 2016-11-15)Linear polarization is a potentiodynamic method used for electrochemical characterization of materials. Obtained values of corrosion potential and corrosion current density offer information about material behavior in ... -
Application of brick grind dust in systems based on Portland cement
(IOP Publishing, 2018-07-12)This paper deals with possibilities of application brick-grind-dust which is a secondary product from manufacturing of grinded bricks. This product is usually partially returned to brick manufacturing or buried on a land ... -
Vacuum deposited Diphenyl-Diketo-Pyrrolopyrrol solar cell structures
(IOP Publishing, 2016-04-07)In the present paper, DPP(TBFu)2:C60 donor-acceptor composite films were prepared by vacuum co-deposition and the photoelectrical properties of ITO|PEDOT:PSS| DPP(TBFu)2:C60|Al solar cell samples were investigated. -
Fotovoltaika, zvyšování její efektivity a trendy do roku 2030
(GIVERSDON s.r.o., 2016-07-04)Článek o současném trendech fotovoltaiky, informace o výhodách a nevýhodách fotovoltaických panelů -
Characterization of Electroless Ni–P Coating Prepared on a Wrought ZE10 Magnesium Alloy
(MDPI, 2018-03-07)Electroless low-phosphorus Ni–P coating was deposited on a wrought ZE10 magnesium alloy including an advanced pre-treatment of the material surface before deposition. Uniform Ni–P coating with an average thickness of 10 ... -
Effect of Selected Commercial Plasticizers on Mechanical, Thermal, and Morphological Properties of Poly(3-hydroxybutyrate)/ Poly(lactic acid)/Plasticizer Biodegradable Blends for Three-Dimensional (3D) Print
(MDPI, 2018-10-03)This paper explores the influence of selected commercial plasticizers structure, which are based on esters of citric acid, on mechanical and thermal properties of Poly(3-hydroxybutyrate)/Poly(lactic acid)/Plasticizer ... -
DC Underwater Capillary Discharge With Symmetrical Hole: Diagnostics and Pumping Effect
(IOP Publishing, 2014-06-03)Capillary discharge investigated by this work was created in the reactor using positive half-cycle of AC high voltage up to 2 kV. Electric field was created between two electrodes which were separated by the dielectric ... -
Complexation of Copper(II) with Humic Acids Studied by Ultrasound Spectrometry
(Hindawi Publishing Corporation, 2012-05-14)Copper biogeochemistry is controlled by bonding to natural organic matter. The soluble forms of bonded copper can be more biologically active due to the higher migration in environmental systems and instability of some ... -
Soluble collagen dissolution and assembling in pressurized carbon dioxide water solutions
(Budapest University of Technology, 2018-02-01)Dissolution and gelation procedures have a great influence on gelation time, microstructure and mechanical properties of reconstituted collagen products. We have investigated the dissolution of atelocollagen in CO2/water ... -
Tobermorite synthesis under hydrothermal conditions
(Elsevier, 2016-08-03)The influence of different hydrothermal conditions and starting materials on a preparation of tobermorite was examined. Tobermorite is a mineral, which, thanks to its composition and properties, is an important phase in ... -
Effect of the Side Chains and Anode Material on Thermal Stability and Performance of Bulk-Heterojunction Solar Cells Using DPP(TBFu) 2 Derivatives as Donor Materials
(Hindawi, 2015-12-08)An optimized fabrication of bulk-heterojunction solar cells (BHJ SCs) based on previously reported diketopyrrolopyrrole donor,ethyl-hexylated DPP(TBFu)2,aswellastwonewDPP(TBFu)2derivatives with ethyl-hexyl acetate and ... -
Remote operation of the GOLEM tokamak with hydrogen and helium plasmas
(IOP Science, 2016-11-04)The GOLEM tokamak was operated remotely via internet connection during the 6th International Workshop and Summer School on Plasma Physics. Performances of hydrogen and helium discharges are compared in this paper. It is ... -
Optimization of Enzymatic Hydrolysis of Waste Bread before Fermentation
(Mendel University Press, 2017-02-28)Finding of optimal hydrolysis conditions is important for increasing the yield of saccharides. The higher yield of saccharides is usable for increase of the following fermentation effectivity. In this study optimal conditions ... -
Transesterification of Lactic Acid Oligomers with Ethanol, a Way to Anhydrous Ethyl Lactate: A Kinetic Study
(MDPI, 2018-08-15)A new method for the preparation of anhydrous ethyl ester of lactic acid was studied. The selected method is based on catalytic transesterification of lactic acid oligomers, which were prepared for this purpose by autocatalytic ... -
Discharge Ignition in the Diaphragm Configuration Supplied by DC Non-Pulsing Voltage
(IOP Publishing, 2016-05-17)This work deals with the ignition of the discharge in the diaphragm configuration generated in water solutions containing supporting NaCl electrolyte. The reactor has volume of 110 ml and it is made of polycarbonate. HV ...
RSS 1.0