Comparative 13C NMR spectroscopy of lignocellulose sorbents
The 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.
Подобные документы
The use of block copolymers on the basis of oxides of ethylene and propylene as demulsifiers of oil emulsions. Determination of the dependence of their physico-chemical properties from the content oxyethylene and oxypropylene groups in the molecule.
статья, добавлен 23.02.2016The development of rape-cake extract as eco-friendly volatile corrosion inhibitors. Analysis of volatiles by GC-MS. Theoretical study of molecular spatial structure, causes of the shortage of the energy and density of the extract, its key compounds.
статья, добавлен 23.02.2016The structure of the metal-containing azopolymers with electro-optical properties depending on the length of the spacer. Effect of electric field on absorption of metal-containing azopolymers. Reorientation of the dipole moments azobenzene groups.
статья, добавлен 21.12.2016- 79. The thermo- and magnetogalvanic phenomena in nanohybrid clathrates and their practical application
The changes in the properties of the structures at the formation them in a magnetic or electric field, as well as under light, were shown. According to impedance spectroscopy and thermally stimulated depolarisation methods structures were investigated.
статья, добавлен 30.07.2016 Characteristics: 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.
реферат, добавлен 13.11.2009Analysis, synthesis and properties of six isomeric heterocyclic systems containing two fused rings of pyridine with different relative positions of the atoms of nitrogen - naphthyridines. Physicochemical properties and reactivity of naphthyridines.
дипломная работа, добавлен 05.03.2013General 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.
книга, добавлен 05.03.2013Development of a method of mixing the hydroxides for the preparation of Lі[Ni0.5Co0.25Mn0.25]O2 from the respective products. Determination of average grain size, the measurement of impedance. Study of electrochemical properties using cyclic voltammetry.
статья, добавлен 21.12.2016The efficiency of using softened water in the removal of dissolved oxygen and iron ions has been determined. The dependence of the efficiency in the processes of the deoxygenation and iron removal of water on the filtering speed through the redox filter.
статья, добавлен 26.02.2021The study of the synthesis and physicochemical properties of derivatives of 4-phenyl-5-(1,2,3-benzotriazolyl 1)-3-merkapto-1,2,4-triazole(4H). Due to computer prognosis data the substances synthesized are prospective anticonvulsants and antiasthmatics.
статья, добавлен 05.03.2014The behavior of globular proteins and humic acids of coal in aqueous/oil and aqueous/graphene systems by means of tritium tracer. Obtaining of adsorption isotherms by liquid scintillation spectrometry of tritium either in traditional performance.
статья, добавлен 02.04.2014Influence 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.
статья, добавлен 04.04.2014The technology of obtaining and comparative tests of the medical enterosorbents, activated coal and lignin enterosorbents. High activity lignin enterosorbents at the treatment of lacto-dependent diarrhoea. Physical-chemical features of enterosorbents.
статья, добавлен 02.04.2014Examined of the physical-chemical properties and thermal decomposition, as well as infrared spectrum of glass. Acquaintance with the results of the derivatographic analysis. Study of the coincidence of crystallization temperatures of glass decomposition.
статья, добавлен 26.02.2021Synthesis of sorption-active material carrying groups 5% chlorosulfonic acid by radiation-induced graft polymerization of styrene monomer on the surface of non-woven polypropylene fabric with subsequent sulfonation of the grafted polystyrene chains.
статья, добавлен 02.04.2014Study of kinetic parameters and the basic kinetic regularities of aldol condensation reaction of propionic acid with formaldehyde on B2O3-P2O5-WO3/SiO2 catalyst in the gas phase. Methods of obtaining polymer materials with valuable technical properties.
статья, добавлен 23.02.2016Synthesis of two rare-earth nickel silicide PrNi9Si4 and NdNi9Si4. Their crystal structures, refined from X-ray powder diffraction data, structure type. The two compounds as Curie-Weiss paramagnets due to magnetic moments carried on the rare-earth atoms.
статья, добавлен 23.02.2017- 93. Growth of zinc oxide porous films via electrochemical anodization using glycerol based electrolyte
Formation of the porous structure of zinc oxide. Morphological properties of anodized films. Methods of diffraction of X-rays and scanning electron microscopy. Analysis of electrochemical anodizing of zinc oxide in electrolyte based on glycerol.
статья, добавлен 30.08.2016 Study films of CdxZn1-xTe solid solution, obtained by a close-spaced vacuum sublimation technique under different temperatures of glass substrate by energy dispersive analysis of X-rays, scanning electron microscopy and X-ray diffraction methods.
статья, добавлен 30.07.2016Dependence of the size of tannin nanocapsules on the nature of the shell. Considering the nanoparticle in guar gum having the lowest average value and the shell consisting of sodium alginate having the highest value. Properties of nanostructured tannin.
статья, добавлен 21.05.2023The syntheses of a new ligand: di (Furanyl Methylene hydrazono Ethyl) Benzene. It's structure, spectroscopy methods (IR, 13C NMR). Synthesizing of the complex by reactance the ligand with HgCh. Calcination process from mono nuclear complex, electrolyte.
статья, добавлен 15.01.2021The X-ray diffraction study of the isotypic structures of I and II reveals that the crystal structure consists of three structural units. The coordination polyhedron of the lanthanide atom. Atomic coordinates and equivalent displacement parameters.
статья, добавлен 23.02.2017Modern and effective methods of hardening metals. Nitriding in a glow discharge in ammonia or in an anhydrous medium. Tribological and physicochemical properties of hardened surfaces obtained by nitriding with autonomous and interconnected BATR modes.
статья, добавлен 22.05.2022- 99. The molecular structure and chromatographic parameters of calix[4]аrеnehydroxymethylphosphonic acids
A basic chromatographic characteristics of biologically significant calix[4]аrenehydroxymethylphosphonic acids. A study sodium salts in a reversed-phase high-performance liquid chromatography. The structure of calix[4]аrenehydroxymethylphosphonic acids.
статья, добавлен 05.03.2014 Crystalline and electronic structures of nanoalumina alone and in different mixtures with nanosilica. X-ray diffraction and ultrasoft X-ray emission spectroscopy. Pore size distributions calculated. Resalts of the OKa emission bands of alumina in samples.
статья, добавлен 20.03.2016