Applications of the homotopy theory of DG categories
Construction of apparatus to work with 1-local systems of chain complexes, replacing the fundamental groupoid 1(X) of a topological space X by its 1-groupoid 1(X), and vector spaces vect with chain complexes Ch. Local systems of chain complexes.
Подобные документы
The peculiarity of studying the value of the protein-hydrogen index in the technology of milk production. Colorimetric and potentiometric methods of measuring pH in chemical and biological systems. Determination of basic acidity of dairy products.
статья, добавлен 22.08.2022Proposes a method to increase information content in studying frequency properties of automatic control systems typical dynamic links based on representation of the link transfer functions in the form of graphs. Examples of separate links are provided.
статья, добавлен 25.01.2022Determination the rigidity of constructive elements involved into the rated diagram of electromechanical system of the drive of spherical mill. Defining the rigidity of the elements entering a kinematic circuit of any electromechanical systems of drives.
статья, добавлен 28.11.2016The containment reservoir is where water accumulates during the flood season, one of the facilities that are absolutely essential for the proper functioning of every city. Use of this type of site as an open public space, regardless of water filling.
статья, добавлен 20.09.2021Types of the combined mechanisms of simultaneous turning and folding blades, which can be stabilized the frequency of rotation of horizontal-axis wind turbines. Analysis of the dependence of the adjusting movement of the slide from rotation angles.
статья, добавлен 27.10.2016The concept, meaning and essence of a digital work, the use of technologies and equipment in the digitization of works. Features of converting a work into a digital format. Study of the main recommendations of the International Telecommunication Union.
статья, добавлен 17.09.2021In 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 30.07.2016Types of tool materials: from high-carbon steel to ceramics and diamonds, and their use as cutting tools in the modern metal industry. Cutting tool and its characteristics: hardness, strength. Achieving an acceptable tool life before replacing it.
статья, добавлен 26.04.2019The results of expedition research of some solar salt works of the South of Ukraine (Kherson region, AR Crimea) and lake Baskunchak (Astrachan region, Russia). Discussing the approaches to modeling natural environment in D. salina laboratory culture.
статья, добавлен 27.07.2016The processes of generating large-dimension permutation matrices and their matrix powers, including in their new spaces, along with their features and advantages for modeling a protocol for the agreement of a main cooperative secret key-permutation.
статья, добавлен 11.12.2024Peculiarities of application of mathematical apparatus for the calculation of point Baluba-Naidysh to develop the technology for scanning of the light openings of different configurations. Method of determining point equations for parabolic window.
статья, добавлен 07.12.2016Environmental biotechnology study the use of living organisms for a wide range of applications in hazardous waste treatment and pollution control. The use of biotechnology in the dairy industry. Methods for producing whey. Security staff activity.
курсовая работа, добавлен 13.04.2015Clothes for different purposes. The appearance of the clothing and its main functions. Master classes of the famous couturier Vyacheslav Zaitsev. Fibres of animal origin: wool and silk. New fabric for hygiene applications. Clothes from synthetics.
учебное пособие, добавлен 24.09.2014The link between scientific discoveries and their subsequent applications to human needs and quality of life. History and main branches of engineering. Social context of engineering in Ukraine. European federation of engineering consultancy associations.
реферат, добавлен 16.11.2014Super ultrahard nanostructured and nanocomposite thin films. Preparation and industrial applications of hard and superhard nano-structured coatings on tools for machining (drilling, milling, turning), forming, stamping, injection moulding and the like.
статья, добавлен 30.07.2016The mixed approach that combines theoretical research, analysis of scientific research with analysis of practical examples, increasing visitor engagement through augmented reality, virtual reality technologies, also encompasses important design aspects.
статья, добавлен 24.06.2024Methods of optimization and control of asynchronous electric drives of pumping machine. Application of asynchronous electric drives in industry due to their efficiency, reliability and control flexibility. Vector speed control and pulse-width modulation.
статья, добавлен 10.12.2024A lightweight, environmentally friendly nanocomposite based on thermoplastic potato starch plasticized with glycerin is described. Adding cellulose nanofibers, improving the barrier properties of films due to the tortuous path for penetrating molecules.
статья, добавлен 14.04.2022New approaches to research and construction microbial producers of antibiotics. Nutrient mediums for biosynthesis. Oil refining, purification and quality control. Screening of libraries of synthetic compounds. Culturing producer strains broad spectrum.
курсовая работа, добавлен 18.04.2015The study of methods of improving mechanical properties of coatings of implants by reducing the value of young's modulus and coefficient of friction in the fluids of the body to improve the tribological parameters of the implants with ceramic coatings.
статья, добавлен 29.01.2016Strength is assumed - index for materials which can take standard, calculated values. Significant dependence between bending resistance, absolute size of structural elements. The structure of the wood fibers - factor which determine timber quality.
статья, добавлен 25.12.2016The model is based on a regional convolutional neural network architecture that can identify and classify different types of damage, including those caused by natural disasters, accidents, or deliberate warfare attacks, such as shelling and bombardment.
статья, добавлен 12.12.2024The model is based on a regional convolutional neural network architecture that can identify and classify different types of damage, including those caused by natural disasters, accidents, or deliberate warfare attacks, such as shelling and bombardment.
статья, добавлен 12.12.2024Huge gaps in structure and performance between different types of engines. The types and performance of modern advanced aero-engines, their practical applications in various aviation fields, and the development direction of future aircraft engines.
статья, добавлен 04.09.2024Test the tribological properties of lubricants as the main stage of assessing their suitability for use in friction. The scheme of the "cone - three ball" with the use of objects of simple geometric shapes to test different construction materials.
статья, добавлен 29.01.2016