One of the key problems in billet and shaped casting aluminum alloys is presence various undesirable inclusions impurities melt, which can serve as stress concentrators finished product, well dissolved hydrogen, contributes to formation porosity. The interaction with other gases produced by combustion fuel particles, oil, paint materials brought into furnace together charge scrap increases amount nitrides, oxides, carbides, sulfides melt. Flux treatment widely used protection from oxidation...

We apply the Lifshitz theory of dispersion forces to find a contribution free energy peptide films that is caused by zero-point and thermal fluctuations electromagnetic field. For this purpose, using available information about imaginary parts dielectric permittivity peptides, an analytic representation for typical along frequency axis devised. Numerical computations fluctuation-induced are performed at room temperature freestanding containing different fractions water, similar deposited on...

Cancer is the leading cause of death in world and delayed detection being most significant factor for its high mortality rate. Computers can help radiologists analyzing medical images cancer. Radiomics refers to computerized extraction information from provides potential making cancer screening with rapid more accurate using machine learning algorithms. Endoscopic imaging X-ray (Computed tomography) are two common methods used imaging. In this paper, advantages limitations endoscopic CT scan...

The Casimir free energy and pressure of thin peptide films deposited on a dielectric substrate are investigated in the region parameters where they change their sign. Numerical computations performed for modelled film silica glass plate. is computed at room temperature as function thickness fraction water contained film. It shown that values from negative to positive when decreases below some value 115 133 nm depending Possible applications obtained results problem stability coatings discussed.

Lung segmentation in Computed Tomography (CT) images plays a vital role the diagnosis, detection and three-dimensional visualization of lung nodules. In addition, stability, accuracy efficiency CT have significant impact on performance Computer-Aided Detection (CAD) systems. is usually first step analysis. this paper, fully automated algorithm for recognition 3D X-ray using Active Shape Model (ASM) presented. Proposed algorithms not only split left right lungs automatically, but also include...

The article deals with dendritic structures resulting from self-organization processes in aqueous solutions of albumin proteins. methods for obtaining the and experimental results are presented. It is shown that dendrites fractal symmetric under certain conditions their formation can have different characteristics depending on isothermal dehydration liquid samples. dimension films protein solution has been calculated. Dependences concentrations salts initial also temperature revealed. as...

This paper is concerned with studies of protein films as a basis for nonlinear optical devices biomolecular electronics, in particular, molecular computer. A possibility creation an analog neural network based on the film structure considered. Some experiments specially structured were conducted. The great influence magnetic field was detected.

In this paper we considered the processes of interaction albumin protein molecules and ferrofluids. Our experimental studies allowed measuring size bound to ferrofluid particles. addition, structures щa self-assembled films were obtained. The dependence formation from magnetic liquids concentration in solutions is shown. findings may be useful for medical applications.

Abstract Main principles of endoscopic image processing are considered. Specific characteristics such images and complexities in their classification discussed. We suggest that several features may be regarded as specific signs can used to discriminate between benign malignant loci. The methods colour histograms, gradients texture analysis considered

A non-destructive optical control of dynamics protein aqueous solution drying under different conditions is considered. The processes organization structures in films are discussed.

Thin organic films find expanding applications in electronic and optoelectronic devices, biotechnology, food packing, for many other purposes. Among factors, the stability of with a thickness below micrometer is determined by zero-point thermal fluctuations electromagnetic field. These result van der Waals Casimir free energy forces between film substrate. The fluctuation-induced force may be both attractive repulsive making either more or less stable, respectively. Here, we review recently...

This article investigates contribution to the free energy of thin protein films, deposited on substrates made inorganic materials, which is caused by fluctuations electromagnetic field. It shown that for thinner than 1 μm films a silica glass substrate magnitude fluctuation-induced order 0.1 fJ/mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> , Dependence this volume fraction plasticizer and film thickness are found.

Abstract Study of the dielectric parameters different materials attracts great attention researchers as these allow knowing various characteristics and chemical substances. This article presents studies loss tangent albumin protein water solution. Measurements frequency dependence in range 10–10 6 Hz were performed. The experimental results showed non-linear dependences tangent.

In this study, interactions of Fe3O4 magnetic nanoparticles with serum albumin biomolecules in aqueous solutions were considered. The studies conducted the laser correlation spectroscopy and optical analysis dehydrated films. It was shown that addition magnetite to an solution at low concentrations up 10-6 g/L led formation aggregates sizes 300 nm liquid phase increase number spiral structures films, which indicated their stability. With a further concentration (from 10-4 g/L), particles...

Formation of different structures protein films in process dehydration water solutions albumin is discussed. Optical method observation was used for analysis molecular the films. The influence magnetic field and solution acidity during drying on considered.

In the work scheme of differential sensor for non-invasive distant anemometry microcirculatory bloodstream is described. The designed on base laser speckle theory. Some important parameters like maximal distance and time measurement are calculated. Experimental results blood speed determination presented.

The paper presents preliminary results of studies the temporal dependence refractive index, current-voltage characteristics, resistance on voltage, and dynamics variations in time for biomolecular films during dehydration. experimental demonstrated efficiency use refractometry regime total internal reflection determining optical physical properties self-assembled molecular electronics.

In this paper conductivity of biomolecular films are considered. Experimental results on study electric response albumin solution under the influence external magnetic field and without presented. The electrical characteristics protein is discussed.