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
Production polystyrene composite films with small content of fullerenes (up to 1 %) by casting o-xylene solutions. A dependence of the glass transition temperature of the composite material on its composition. The adsorption capacity of polymer material.
статья, добавлен 30.07.2016Improving the physical and mechanical properties of powder steels. Study of the effect of heat treatment on the structure of powder carbon steels with carbon-containing components. Research of heat treatment processes: hardening, tempering and annealing.
статья, добавлен 27.02.2021Methods of the equation of the cutting edge in the absolute coordinate system. A helix - a trace of movement of the cutting tool along the workpiece. Characteristics of the mathematical model of the formation of the microrelief surface when grinding.
статья, добавлен 06.05.2018Tissue Paper and its properties. Space and weight characteristics. Carrier and type of aircraft for transportation. Limitations by sizes, weight and loading on the floor. Calculation of number of bags that we can put into one box. Manipulation signs.
курсовая работа, добавлен 16.12.2013Determination of torque on the shaft of auger intensifier, power consumption, energy intensity and productivity of the backfilling workflow. Evaluation of soil properties, geometric parameters of the screw intensifier and speed of the bulldozer.
статья, добавлен 01.12.2017Research of influence of the electric discharge machining on change the properties of water. The formation of free radicals and hydrogen peroxide under the influence of cavitation is established, which leads to an increase in the whiteness of the wool.
статья, добавлен 21.12.2016Consideration of the problems of energy conservation and management of production costs at metallurgical enterprises. The necessity of carrying out an energy-resource-saving policy of metal producers has been substantiated; directions of energy saving.
статья, добавлен 30.09.2021Cream with a fat content of 10%, as well as creams with the addition of whey protein, hydrolysed whey concentrates, and glucose-fructose syrup served as objects of study. Study the influence of the presence of protein and carbohydrate ingredients.
статья, добавлен 14.02.2025Characteristics of distillation devices used in the production of alcohol in the XIX-XX centuries. Provisions of mechanical, microbiological, physicochemical, physiological theory of fermentation. The role of L. Pasteur in the study of alcohol production.
статья, добавлен 30.01.2022Study of sorption of oil substances such as diesel fuels on zeolite beds. The use of clinoptilolite as a sorbent for the removal of oil substances. Preparation of synthetic zeolite, the addition thereof to improve the sorptive capacity of the zeolite bed.
статья, добавлен 24.02.2016Substantiation of expediency of enzymatic processing of canola meal for increasing its nutritional value. The role of enzymatic hydrolysis in reducing the amount of cellulose and hemicelluloses, increasing the amount of free phosphorus in rapeseed rape.
статья, добавлен 30.04.2018- 37. Substantiation of the fashion system as the concept of fashion conduct in modern consumer society
Determination of the principles of formation of fashion innovations in society in the context of the functioning of the modern fashion system. Characteristics of fashion innovations as objects of the fashion system and means of fashion communication.
статья, добавлен 05.05.2022 The article discusses one of the promising directions of development of the electric power industry, associated with the use of controlled AC power lines using FACTS devices, in particular, the advantages of static thyristor compensators are considered.
статья, добавлен 10.12.2024Analyzed the impact of long-term operation of gas pipelines, as well as natural stress concentrators on the physico-mechanical properties of welded joints of steel 17G1S. Regularities of the destruction of the material of welded joints of gas pipelines.
статья, добавлен 30.01.2016Results Global Capstone Design Workshop in order to find eco-friendly, energy-saving methods in our daily lives and to develop and improve them. In particular, selecting topics based on practical methods for Global Capstone Design will be the main focus.
статья, добавлен 20.09.2021Analysis of the flow characteristics of diode and the relationship between the fluid flow characteristics diode. The study of the flow characteristics of the flow diode. Definition of flow rate of each seal of air pump in each working condition.
статья, добавлен 24.02.2025The deals with the consideration of the peculiarities of the translation of English phraseological units on the basis of media discourse. It was found that phraseological combinations are stable, where one of the components has an independent meaning.
статья, добавлен 27.12.2023The manufacturing industry may be a key sector for the application of this technology, reduce the use of conventional energy sources, especially in the food industry located in the Andean region. Ecuadorian policies and regulations on renewable energy.
статья, добавлен 23.07.2021The problem of fuzzy multicriterial analysis of local energy conversion systems. Construction of training samples for artificial neural networks. Application of multiagent calculating models. Transition from vectorial criterion to a scalar combination.
статья, добавлен 28.08.2016Consideration an alternative, in relation to the widely used "differential" one, "integrated" approach to solving the dynamics problems. Determining the natural frequencies of fluctuations case of the free surface liquid in containers of various shapes.
статья, добавлен 29.11.2016The same time in the Republic of Azerbaijan, the processes of complex processing of oil-plant hydrocarbon gases and the oxidation and conversion of these gases with the participation of heterogeneous catalysts of various types have been relevant.
статья, добавлен 14.02.2025Estimation of energy release in mills of various types to understand the thermodynamic aspect of processes during mechanoactivation treatment. Modeling the motion of the balls of a mill and evaluating the generation of energy in the ball system.
статья, добавлен 07.08.2020Character of force of friction is investigated and set in nominally-immobile connections on the stage of nominal adhesion and to passing to skidding. The capacity of connections are given by the method of coating on the basis of fusible to the alloy.
статья, добавлен 27.07.2021Design, develop Micro Air vehicle system provides a platform to support a very wide variety of missions for the small unit. Further miniaturization of electronics and sensors these vehicles to become even smaller and to operate in complex environments.
творческая работа, добавлен 18.01.2014The comparison of natural modes for the first and second transverse oscillation modes obtained by numerical simulation and finite element package of analytical calculation of the core model. The analysis waveforms for different values of the defect.
статья, добавлен 29.06.2017