Kinetics of diffusion mass transfer during filtration drying of grain materials
Еxperimental investigations concerning coefficient of moisture pore diffusion from grain during filtration drying. The coefficient of pore diffusion the model was used basing on the solution of differential equation under boundary conditions of the type.
Подобные документы
Investigations concerning the processes of plugging stone structure formation, using X-ray diffraction, electronic microscopy were implemented. Influence of active mineral additives of metakaolin on the properties of plugging mortar were established.
статья, добавлен 21.12.2016The conditions of a reaction between pyrite medium-metamorphized coal and air-steam mixture in the kinetic area. Development of experimental-statistical mathematical models. Determination of the optimal factors for the oxidative desulfurization of coal.
статья, добавлен 23.02.2016Greater moisture sensitivity as a key factor for the sensory use of SnO2 based ceramics. General characteristics of the properties of oxide ceramics. Consideration of humidity sensors based on semiconductor varistor ceramics SnO2-Co3O4-Nb2O5-Cr2O3.
статья, добавлен 29.06.2020The chemical structure of the polymer latexes. The influence of surfactants on the drip solution. The mechanism of anionic with a negative charge in the screed, acting as air entrainment. Hydrogen bonding, water absorption and compressive strength.
статья, добавлен 22.02.2015Determined of the dissociation (deprotonation) constants of flavones in water-methanol mixtures. Research of features hydroxyflavones, which have been the convenient models for exploration of the intramolecular proton transfer in the excited state.
статья, добавлен 29.09.2016Study phase equilibria of the quasi-ternary system Cu2Se–PbSe–As2Se3 by X-ray diffraction and differential thermal analysis. The nonvariant processes in the As2Se3-rich part of the triangle in the large temperature. The formation of ternary compounds.
статья, добавлен 23.02.2017The role of the technique of volumetric titration with a working solution of sodium thiosulfate with a visual indication of the starch equivalence point during the analysis of the residual active chlorine. Evaluation of its advantages and disadvantages.
статья, добавлен 10.05.2018- 58. Study of processes during electrolysis of organic dye solution by means of ion-photon spectrometry
Spectral composition and quantum yield of radiation of the excited particles sputtered by an ion beam from surfaces of the dried sediment formed on electrodes at the electrolysis of the organic dye were studied by the method of ion-photon spectrometry.
статья, добавлен 27.07.2016 Halogenated hydrocarbons and their wide use in industry as a coolant, electric insulation and separation of liquids. Studies on modification of thermoplastic materials, on the basis of a mixture of polypropylene and polyamide 6 armored basalt fibers.
статья, добавлен 27.07.2016Physical and chemical properties of the drugs. Reactions to chloride ions Cl- in a solution of AgNO3 in HNO3. Photocolorimetry with painted ferum hydroxamate. Reaction on heterocyclic atom of nitrogen. Using of methods of quantitative determination.
презентация, добавлен 24.11.2016The study of the effect of bismuth nitrate (Bi (NO3) 3) deposited on tissue samples, coated tissue was evaluated by measuring the penetration of radiation. Various properties, such as mass per unit area, material thickness and surface morphology.
статья, добавлен 06.07.2020Features silver nanoparticles were produced using tannic acid solution as reducing and capping agent. Results of UV-Vis and XRD ensured the existence of silver nanoparticles in the final samples. Nanoparticles with different morphologies were detected.
статья, добавлен 30.07.2016Effect of polymerization copolymers on selenophenes and thiophenes. Analysis of electrosynthesis of selenofen-thiophene copolymers at a constant electrode potential. Stability of oxidation-reduction activity in electrolyte solution based on acetonitrile.
статья, добавлен 30.08.2016Change of palladium ions concentration during cementation on the magnesium disk in dimethylformamide solution. Chemical microparticles and agglomerates anorganic chlorine compound. Palladium adhesion to the substrate surface in dimethylformamide.
статья, добавлен 23.02.2016To study antimicrobial properties of the synthesized surfactants, the method of consequent dilution was used. The experiments were carried out in the test tubes contained a surfactant at different concentrations and 1 ml of the physiological solution.
статья, добавлен 03.03.2021Study of ternary intermetallic compounds RxMyXz (R = rareearth Element, M = d-metal, X = p-metal). Results of identification of the new R-Au-Al compound. The starting materials for the synthesis of R-Au-Ga. Function of the profile form of pseudo-Voigt.
статья, добавлен 23.02.2017The problem of identification of paints according to the commodity nomenclature of foreign economic activity. Chemical composition are received, structures, and other organoleptic, physical and chemical parameters of production of paints and varnishes.
статья, добавлен 10.03.2018The sequence of structural transformations occurring during the thermolysis of the solid solution of diphosphates of composition Zn-Co(II). The composition, temperature ranges of formation and stability of the products of partial, complete dewatering.
статья, добавлен 23.02.2017Research transparent conducting n-type semiconductor zinc oxide films, which have been extensively studied in recent year because they exhibit wide band gap. Analysis of scanning electron microscopy which used for study of surface morphological changes.
статья, добавлен 30.07.2016The study of the composition and the structure of the original and modified lignocellulosic materials. Analysis of the dependence of sorption properties of lignocellulosic composites in relation to heavy metals from changes in the functional composition.
статья, добавлен 04.04.2014The study and characterization of sustainable impact polyacrlic acid (anionic polymer) by adsorption on the surface of fumed silica (SiO). Monitoring changes in the suspension stability using a Turbiscan LabExpert with TLAb cooler cooling module at 25oC.
статья, добавлен 02.04.2014Study of the process of intramolecular cyclization products of epichlorohydrin aminolysis of secondary amines. Analysis of the energy characteristics obtained in vacuum and in acetonitrile solution with water as an "active" solvation partner of reaction.
статья, добавлен 30.10.2016Study of the reaction of polyelectrolytes. Research of the structure and membrane properties of sodium carboxymethylcellulose and urea-formaldehyde oligomer. Development of technology for manufacturing biocompatible polymeric materials for medicine.
статья, добавлен 17.02.2019- 74. Review of graphene properties in view of its use as a substrate for matrix-free mass spectrometry
The graphene basic properties is given. The possible role of intrinsic and deliberately induced structural defects in electronic and chemical properties of graphene substrates. Optimized geometric structures for the Stone-Wales defect functionalized.
статья, добавлен 02.04.2014 Ag-Ni alloy films were electrodeposited from an ammonia solution on copper substrates at various material ratios and current densities. Investigation of electrical conductivity and pH, formation of complexes with silver and nickel. X-ray diffraction.
статья, добавлен 16.01.2021