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.
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.
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.
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.
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.
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.
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.
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.
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.
The 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.
The study of the properties of low carbon steel. Methods of cold plastic deformation. The rationale for the recommended annealing temperature. Is the microstructure of low-carbon metal. The study of the conditions of plastic deformation of ferrite.
Processes of change of mechanical properties and microtexture of castings from gazars. Effect of monolithic areas formation inside the porous structure. Consideration of monolithic formations inside porous structure of gazar after annealing, x 50.
Research process to ensure the values of the endurance limit of the material details. The establishment of correlations between the modes of machining, quality of the surface layer and the fatigue limit. The characteristics of processed material.
Physical and chemical research methods of mechanically hydrated cement binder with organo-mineral additive - silica fume. Study the effect of additives on the kinetics of the formation of calcium silicate core lowly. Role the microsilica as a binder fume.
Super 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.