Study of thermodynamics of complex formation of flavonoids of steviа (Stevіa rebaudіana Bertonі) leaves
The study of the formation mechanism of flavonoid complex with aluminum ions. On the basis of the negative low Gibbs free energy values it found that chelation is a natural phenomenon. Determination of the antioxidant capacity of flavonoids stevia leaf.
Подобные документы
An experimental study of backscattering factor for a linear accelerator Siemens Oncor Impression Plus for photon energies of 6 and 18 MV with asymmetric radiation fields. Development and implementation method for determining the backscattering factor.
статья, добавлен 29.07.2016A study of the collections of young Moldovan designers, graduates of the KSPU. I. Kryanga. Conceptual trends in the contemporary art of design and fashion in the country, based on the creative interpretation of artistic images by young designers.
статья, добавлен 22.05.2022The present study is a mathematical modeling aimed at the dynamic force analysis of printed circuit boards in order to eliminate dynamic stresses to an acceptable level and ensure the strength and reliability of the printed circuit board design.
статья, добавлен 02.06.2022Study of the main tasks of industrial enterprises. A number of key factors affecting production. Ways to ensure production of high-quality products necessary for society, ways to improve production indicators based on increasing production efficiency.
статья, добавлен 26.02.2023Study the effects of man-made nano-additive on basic physical and mechanical properties of foamed glass. Use tare and flat glass as the main raw material. Investigation the effect of nano-additive on structural features of the resulting foam glass.
статья, добавлен 30.07.2016System for billet continuous caster’s mould heat engineering parameters monitoring. Formation of the internal heat transfer surfaces. Calculation the indicators: average heat flux density, overall heat exchange coefficient. Effective gas gap thickness.
статья, добавлен 30.01.2016- 107. Chinese space policy narrative in 2000-2022: comparative analysis of five white papers on space
Study of evolutionary processes of Chinese space policy, transformation of the country into one of the space leaders. Progress of space technology, applications, science. Guiding principles of international cooperation in the field of space cooperation.
статья, добавлен 25.11.2023 Analysis of the effect of deposition parameters on the crystal structure, surface morphology and compositional properties of an indium sulfide films. The use of electron microscopy to study the orientation of grains. Investigation of optical absorption.
статья, добавлен 21.12.2016Investigation of the surface layer structure at high resolution. Study of surface morphology of treated detail. The use of electric-surface alloying components operating under conditions of friction and abrasionerosion wear and their restoration.
статья, добавлен 22.03.2016In this study, porous Ti-Nb-Zr biomaterial which is not included poison elements was successfully fabricated by powder metallurgy using space holder of NH4HCO3 and foaming agent of TiH2. Biocompatibility of porous Ti-Nb-Zr alloys is similar to Ti-6Al-4V.
статья, добавлен 30.07.2016Study of field distribution in structures such as a gold lattice, a graphene layer, and a silicon substrate. Conditions of maximum electromagnetic field distribution by these structures for the purpose of using them in photonics and electronics devices.
статья, добавлен 24.02.2024Experimental improvement of the stability of the bolt connection of the technological and power modules of the new design of the modular machine-tractor unit. The new construction of the pivot connection of the technological module with the power module.
статья, добавлен 10.08.2022Study the structure of the coating made of composite material that contains wear-resistant components SiC-Al2O3. The use of a metallic binder based on iron in composite production. The properties of the obtained coatings with the steel counterface.
статья, добавлен 29.01.2016The study of magnetron sputtered coatings on base AlN-TiB2(TiSi2). The structural composition, morphology coated materials. Features amorphous-like coatings AlN-TiB2(TiSi2) after annealing and their impact on physical and mechanical properties changes.
статья, добавлен 30.07.2016The study of the influence of the surface hardness of the auger on its wear during dehydration of solid waste in the garbage truck. Usage of the method of regression analysis, the logarithmic dependencies of auger wear depending on the hardness.
статья, добавлен 23.06.2022Estimating the number of conduction modes can, their evaluation. Analysis of the model for the mean free path for backscattering. Calculation of near equilibrium thermoelectric transfer coefficients. Setting the differences in voltage and temperature.
статья, добавлен 30.07.2016Consideration the vibroactivity in the refined dynamic model of the mandrel bar. An acoustic positioning system of screw-rolling mill. The study of dynamic processes in the tube. Mathematical model of vibroactivity of screw-rolling mill mandrel bar.
статья, добавлен 30.01.2016Study of emotional intelligence. Research of emotional intelligence of primary school children and features of emotional intelligence of children separated from their parents. Relationship between the level of emotional intelligence, sociometric status.
статья, добавлен 12.11.2022Requirements to design and placement of dairy enterprises. The basic stages of development, preconditions and signs of emergency situations in such enterprises are provided. Schedule of trouble-free stop shop production of condensed canned milk.
статья, добавлен 13.08.2016Transit of natural gas along the territory of Ukraine to the countries of the Western and Central Europe. Main resons of the loss of pipeline efficiency. Necessity for studying of the operation modes of the gas transport system during underloading.
статья, добавлен 01.12.2017Improving matching techniques constructional and technological parameters of the installation with the modes of its work taking into account the features of the resonator. The changes in the dielectric parameters of raw material during the heat treatment.
автореферат, добавлен 30.04.2018The surfactants have been objects of studies all over the world. Development of approach to surfactants with controllable structure and properties based on the natural raw materials applicable for cosmetics production as dispersed systems stabilizers.
статья, добавлен 23.09.2016The main production methods jet fuels rocket engines. Prospects for the use of various raw materials to produce jet fuels in the context of limited energy resources. The impact of processing production and use of aviation fuels on the environment.
статья, добавлен 23.02.2016The regularities of macromolecules behavior in the flow with longitudinal velocity gradient and manifested in this case effects of elastic deformations have importance in understanding the mechanism of anomalously high cutting power of water-polymer jet.
статья, добавлен 28.02.2016A modern house built using materials that "smell of the past, but strive for the future." The use of mechanical ventilation with dehumidification, radiant floor, photovoltaic panels with energy storage and heat pump. Creating a comfortable temperature.
статья, добавлен 04.10.2021