Humidity sensors based on SnO2-Co3O4-Nb2O5-Cr2O3semiconductor varistor ceramics
Greater 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.
Подобные документы
Synthesis methods development of ionic liquids based on quaternary ammonium salts, their application as components of the polymeric electrolytes for electrochemical devices. ?roperties of liquids depending on the structure of cationic and anionic parts.
??????, добавлен 20.03.2014Monomers conversion dependence on reaction mixture composition. Consideration of the dependence cooligomer of and its characteristics, average molecular weight. Study of liquid products of pyrolysis of hydrocarbons: styrene and dicyclopentadiene.
??????, добавлен 23.02.2016Analysis of the method of synthesis of new materials with carboxylic acid groups, based on the template method, was developed. The efficiency of this methodology was demonstrated by powder x-ray diffraction, infrared spectroscopy and thermal analysis.
??????, добавлен 02.04.2014Study of the electrochemical behavior of various anode materials in electrolytes containing trivalent chromium salts. Semiconductor properties of electrodes. The choice of the optimum anode material for the processes of chromium from electrolytes.
??????, добавлен 30.10.2016Investigation of the formation of complex nickel-based electrolytic coatings with filler particles of various sizes with silicon carbide. Prospects and efficiency of using CEP to increase the wear resistance of working bodies of tillage machines.
??????, добавлен 31.05.2022One- and two-dimensional p-conjugated materials containing a tetraoxa circulene monomer are predicted on the basis of density functional theory techniques. The synthesis organic p-conjugated materials and their applications in optoelectronic devices.
??????, добавлен 30.07.2016Characteristics of the methods of improving the electrical properties, the proper maintenance alloys for electrical purposes. Analysis of the influence of heating temperature on microhardness of the types foreign made Aluminium-Zirconium alloy wires.
??????, добавлен 25.12.2016Investigation of the reaction of e-caprolactone with methacrylic acid. Synthesis of the compound chloride with polyethylene glycol ether. Peculiarities of surface active methacrylate monomer. Surface tension in aqueous solution in contact with air.
??????, добавлен 23.02.2016Identification and characterization of phenotypic characteristics. Phylogenetic analysis of 16S rRNA genes, results of general chemical analysis of Bestobe deposits. Effect of different arsenic concentrations on the oxidative capacity of isolated strains
??????, добавлен 22.02.2021Influence of synthesis conditions on ceria particles size. Anticorrosion properties of modified carbon nanotubes. Realization the synthesis in aqueous solution at room temperature that reduces the cost of the preparation procedure of nanosized ceria.
??????, добавлен 04.04.2014Consideration of oxygen as a basic element of atmosphere of Earth, his constituents, oxides, behavior of oxygen as a result of combustion, use of oxygen in a fuel, way of his receipt, production and uses of oxygen in different industries of industry.
???????????, добавлен 23.02.2014A new amine-functionalized graphene oxide nanosheet was prepared via covalently grafting reaction. Results showed that adsorption capacity of GO was significantly improved by amine functionalization. The Langmuir isotherm and pseudosecond kinetic model.
??????, добавлен 15.01.2021The features of production of Fe:MgAl2O4 nanopowders by evaporation of targets made from a oxide mixture by repetitively pulsed laser radiation. Differences in the phase compositions of the solid powder substances. A rate of the cooling the ytterbium.
??????, добавлен 18.09.2018The basic properties of alkoxides. Production technology of alkali metals alkoxides. Direct Synthesis in the Interaction of Metal and Alcohol. Interaction Metals Oxides and Hydroxides with Alcohols. Exchange reactions with alcohols, transesterification.
??????, добавлен 28.07.2017A controlling the morphology of zinc hydroxide and zinc oxide at room temperature without using any template or surface ligand. Identify the precipitated materials. Dependence of ZnO morphology on Zn2+ concentration. Scanning electron microscopy of zinc.
??????, добавлен 30.07.2016Determination explosion ability of fine-dispersion substances as slaked lime, standard fire extinguishing powder containing ammophos, sludge from the chemical unit of the cold rolling plant of the steel sheet containing iron oxide, dolomite dust.
??????, добавлен 11.08.2021The possibility of the supramolecular nano structures formation on the basis of iron and nickel heteroligand complexes. Formation of different supramolecular nanostructures on the basis of nickel and iron heteroligand complexes as models for Ni(Fe)ARD.
??????, добавлен 30.08.2016- 68. 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.
??????, добавлен 02.04.2014 Synthesis of a polymer by the reaction between maleic acid and 2-methylquinoxaline 1,4-dioxide. Using photocatalysis during synthesis. The reaction of the polymer with maleic acid molecules. Determination of the reaction mechanism and polymer structure.
??????, добавлен 03.11.2020General properties of organometallic complexes. Metal alkyls and hydrides. Nucleophilic and electrophilic addition. Physical methods in organometallic chemistry. Insertion and Elimination. Homogeneous catalysis. Applications to organic synthesis.
?????, добавлен 05.03.2013Plastic additives as a wide range of chemicals used by resin manufacturers, compounds and manufacturers to improve the properties, processing and characteristics of polymers. Features of their chemical composition and conditions of effective use.
??????, добавлен 10.03.2019Molecular geometry - the general shape of a molecule or the arrangement of atoms in three dimensional space. Physical and chemical properties of an atom. Main examples of predicting molecular geometry. The valence shell electron and her repulsion.
???????????, добавлен 16.10.2014Analysis of the effect of resin in the carrier of the coating on its operational properties. Coating classification by type. Characteristics of the widely used resins for the manufacture of modern coatings: acrylics, alkyds, epoxy resins, polyesters.
??????, добавлен 10.03.2019Definition and characterization of the alginate-hydroxyapatite beads that potentially which can be used for drug release due to the adsorptive properties. Investigation and consideration of the main features of alginatecontrolled crystallization.
??????, добавлен 30.07.2016Characteristics: chemical properties, compounds, spectroscopy, isotopes. History, commercial production. Applications, biological role: maintaining body fluid volume in animals, maintaining electric potential in animal tissues. Dietary uses, precautions.
???????, добавлен 13.11.2009