Browsing CMV - laboratoř anorganických materiálů by Title
Now showing items 1-20 of 30
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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 ... -
Application of fly ashes from fluid bed coal combustion within refractory materials
(IOP Publishing, 2018-07-12)The study deals with the possibility of utilization of fly ashes from coal combustion in refractory materials and its influence on resulting properties of the material. The effect of bed and filter ash addition on the ... -
The ash from fluidized bed combustion as a donor of sulfates to the Portland clinker
(Elsevier, 2016-08-03)The paper deals with possibilities of using solid residues from fluidized bed combustion of coal, bed and filter ash in the production of composite Portland cements. The ash from fluidized bed combustion contains a high ... -
The Characterization of Fixation of Ba, Pb, and Cu in Alkali-Activated Fly Ash/Blast Furnace Slag Matrix
(MDPI, 2016-06-30)The fixation of heavy metals (Ba, Cu, Pb) in an alkali-activated matrix was investigated. The matrix consisted of fly ash and blast furnace slag (BFS). The mixture of NaOH and Na-silicate was used as alkaline activator. ... -
Determination accuracy of analysis refractory materials by x-ray fluorescence
(IOP Publishing, 2018-07-12)This work was focused on the finding of the right way how to analyze refractory materials by X-ray fluorescence. This method can provide accurate results which can be easily repeated, what is the reason why this method is ... -
Determination of Critical Parameters of Drug Substance Influencing Dissolution: A Case Study
(Hindawi Publishing Corporation, 2014-09-15)The purpose of this study was to specify critical parameters (physicochemical characteristics) of drug substance that can affect dissolution profile/dissolution rate of the final drug product manufactured by validated ... -
The determination of the influence of pH value of curing conditions on Portland cement hydration
(Elsevier, 2016-09-01)Water composition during cement hydration can be changed due to migration of ions from the cement matrix to the solution. The storage of various materials together can lead to transfer of various ions and distortion of ... -
The effect of heat-treatment on properties of Ni-P coatings deposited on AZ91 magnesium alloy
(MDPI, 2019-07-23)The present study reports the effect of phosphorus content in deposited electroless nickel (Ni–P) coatings, the heat treatment on the microhardness and its microstructural characteristics, and the influence of the temperature ... -
Effect of Na3PO4 on the Hydration Process of Alkali-Activated Blast Furnace Slag
(MDPI, 2016-05-20)In recent years, the utilization of different non-traditional cements and composites has been increasing. Alkali-activated cementitious materials, especially those based on the alkali activation of blast furnace slag, have ... -
Effect of Ultrasonication Dispersion Technique on Sintering Properties of CNT Reinforced Al-Zn-Mg-Cu Powder
(Polish Academy of Sciences, 2017-01-01)CNT has been researched significantly due to its properties especially mechanical and conductivity properties. Due to strong affinity between particles, dispersion has been remained a problem for its applications. ... -
Elemental composition of fruits from different Black elder (Sambucus nigra L.) cultivars grown in the Czech Republic
(Polish Society for Magnesium Research, 2015-02-09)Black elder is a deciduous shrub widely used in medicine, pharmacy and food industry. This study presents a comparison of the elemental composition of fruits (berries) from the Black elder (Sambucus nigra L.) cultivars ... -
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 ... -
The field of solid solutions in ternary system of synthetic apatite-type alkaline earth element-yttrium-silicate oxybritholite phases of the composition: AEE(delta)Y(10-delta)[SiO4](6)O3-0.5 delta, where AEE=Ca, Sr and Ba
(Elsevier Ltd, 2016-01-08)This contribution deals with the synthesis, properties and investigation of the field of solid solutions formed between the three end-members of apatite-type alkaline earth element-yttrium-silicate oxybritholites with the ... -
The formation of feldspar strontian (SrAl2Si2O8) via ceramic route: Reaction mechanism, kinetics and thermodynamics of the process
(Elsevier, 2016-05-15)The reaction mechanism, the equilibrium composition, the temperature range of stability of formed intermediates as well as the kinetics and thermodynamics of activated state during the formation of monoclinic strontium-a ... -
Fracture properties of concrete specimens made from alkali activated binders.
(IOP Publishing, 2017-09-15)The aim of this paper is to quantify crack initiation and other fracture properties – effective fracture toughness and specific fracture energy – of two types of concrete with an alkali activated binder. The beam specimens ... -
Influence of Barium Oxide Additions on Portland Clinker
(Institute of Rock Structure and Mechanics of The Czech Academy of Sciences, v. v. i., 2017-01-02)Nowadays, nuclear power plants are widespread around the world and research is of great interest. Together with nuclear research, shielding of different types of radiation is an important current topic of research aiming ... -
Influence of Pb Dosage on Immobilization Characteristics of Different Types of Alkali-Activated Mixtures and Mortars
(Hindawi, 2018-01-11)Alkali-activated matrices are suitable materials for the immobilization of hazardous materials such as heavy metals.. is paper is focused on the comparison of immobilization characteristics of various inorganic composite ... -
The influence of starting materials´ solubility on tobermorite structure formation under the hydrothermal conditions
(IOP Publishing, 2018-07-12)Overall, the tobermorite mineral crystallises under the hydrothermal conditions from the CaO-SiO2-H2O system. The system of calcium hydrosilicates species is extremely complex and many factors play an important role. The ... -
Inhibition of Hydrogen Evolution in Aluminium-phosphate Refractory Binders
(Elsevier, 2016-08-03)The study deals with the possibilities of inhibition of the reaction of aluminium-phosphate binders with iron scale, which is contained in bauxite. This material is mixed with phosphate binders to form refractories. The ... -
Introduction of novel kinetic approach to calculation of activation energy and its application to the sinter-crystallization of strontian feldspar
(Elsevier, 2016-11-05)The kinetics, the mechanism and the thermodynamics of activated state of formation of primary strontian feldspar via sinter-crystallization of non-equilibrium melt during the thermal treatment of ceramic body was investigated ...