- 241. Strength characteristics of a composite laminate with a center hole under biaxial tensile loading
The developing of a useful model dealing directly with biaxial loading of composite plates with stress concentrations, which can be called progressive damage model. Progressive damage model was utilized to analyze the damage evolution of specimen.
Model for calculation of nominal stresses in characteristic points of the surface fatigue crack to the tubular shaft in bending with rotation. Reasons for the decrease of the propagation velocity of cracks in the center and changing the geometry.
Application and classification of construction materials. Definition of key indicators affecting the choice of material. Alloys based on copper and aluminum. Properties, applications and benefits of innovative materials, thermosetting plastics, ceramics.
NbN and Nb-Si-N films were deposited by magnetron sputtering the Nb and Si targets on silicon wafers at various bias voltage. The films were annealed to establish their stability. The films were nanostructured represented an aggregation of crystallites.
Study 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.
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.
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.
- 248. 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.
Development of flexible-wing Micro Air Vehicles at the University of Florida. Design intent and approach, identifying airplane components, fabrication techniques and various testing methods used to assess overall airplane and component performance.
Systematization of lean production tools that can be implemented at enterprises. Possibilities of using each of the proposed tools to solve problems of Ukrainian business development. Determination of prerequisites for the formation of corporate culture.
Development of a managed system architecture with the possibility of full-scale parametric optimization. Systematization of the architecture of the conversion system by the example of the technological process of liquid heating. Software designer EFFLI.
Technocracy is the form of government, which attempts to distance itself from political representation or affiliation with a particular ideology. Technocrats derive their legitimacy from their skills and expertise, and focus primarily on problem-solving.
Obtaining prototypes of hemp oil by cold pressing. Determination of mass fraction of moisture оil content measurement. Indicators of seeds' quality during long storage. Yield and quality indicators of by-products obtained in the production of hemp oil.
- 254. Technological aspects of dicarboxylic acids esterification in the presence of aprotic catalysts
Investigation of obtaining diesteriv aliphatic dicarboxylic acid in the presence of aprotic catalysts - Lewis acids. Influence of catalysts on the technological indicators esterification process. Esterification process in the presence of aprotic acids.
The aim of the article is to consider issues related to the technological process of preserving and enriching the composition of milk. It is noted that milk, which is of great importance in nutrition due to the presence of proteins, fats, minerals.
This work is devoted to the decision of scientific and technical problems of the day, namely to the development of scientific and methodological bases of forming of structural and phase composition of alloys synthesized by the combined processes
New 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.
Trends in the development of international legal regulation of technology transfer. Challenges related to overcoming the fragmentation of international legal regulation in this area. Components of technology transfer, legal principles of their regulation.
Offered and analysed of the method of calculating the operating parameters of warping spools and mode of winding. A formula that is obtained allows to define relationship between the parameters of the threads wound on a warping spool and their pull.
The importance of packaging in the production and sale of cheese. Ways to extend the shelf life without loss of useful properties of the product. History and vacuum packaging function. Nanocomposites in modern packaging. Utilization of the container.
Use of fluid with magnetorheological effect in crane’s system can reduce significantly unwanted overload, vibrations and resonances arising from them. Applying periodically changing strengths of an external synchronized with cycles of periodical crane's.
The model of the disperse material behavior under vibration in the hole of the dispenser based on the Navier-Stokes equations. The influence of the power factor on the movement of the product and the parameters of the hole on the vibrating dosing process.
The sustained propagation of combustion fronts in porous media is as a condition for the success of in situ combustion for oil recovery. The analysis of a method for modeling the propagation of combustion fronts in porous media. Problem of loss of a heat.
Research foaming effect, which can be the addition of zeolite in the asphalt mixture that causes the of the asphalt, better adhesion and ability lehkoukladalnist mixture. Characteristics of adsorbed water allocation as a function of time and temperature.
The system of rest is energy-saving, with power supply from alternative energy sources intended for complex recovery of an organism in house conditions. Determine the effectiveness of panel modules on the level of stress. Application panel "Ananta 2016".
- 266. The evaluation of snowdrifting simulation by snow and wind tunnel for urban design in winter cities
Factors of snowfall and wind load. Simulate snow and wind with wind tunnels that allow you to define the quality of city plans to reduce the impact of weather conditions. Computational fluid dynamics of snow drifts, its application in urban planning.
Methods 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.
Studies of Heat and Mass of drying in the process for the production of slag gravel. Determination of the temperature of the thermal agent at the height of the layer of materials. The dependence of the velocity of the mass transfer of temperature zones.
- 269. The history of jeans
Revolution in denim fashion in the 60s of the twentieth century. The technology of using different colors and shades fabric for jeans. Release of the "Levis" final version of durable and comfortable original studded jeans with contrasting thread.
Creating Levi Strauss jeans in a working quality clothing for farmers. Features tissue, characteristic for trousers. Popularity of jeans among young people. A patent to a production of "workers in overalls strapless with pockets for knife and money".