Investigation of gold tissues surface from the cathedral of assumption (kyiv) sarcophagus
The objects of the cultural heritage discovered by archaeologists on the area of ancient Kyiv. The topographical examination the fragments of gold tissues (XI–XVI ad.). Content two kinds of materials: golden spiral threads and light colour flakes.
Подобные документы
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 16.01.2021Investigation 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.
статья, добавлен 31.05.2022Synthesation, physicochemical properties of nanopowders LaPO4-LuPO4-H2O and LaPO4-YPO4-H2O. Investigation of thermal behavior orthophosphate nanosized solid solutions. Discussion results of the experiment, solubility and melting temperatures of systems.
статья, добавлен 13.02.2015The 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 23.02.2016Control of the stability of calibration characteristic Algorithm of operational control of the error of determination of ammonium ions in drinking water. Photocolorimetric determination of ammonium ion content. Precautions when performing the analysis.
реферат, добавлен 19.06.2022Study 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 23.02.2016The 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 23.02.2016