The authors showed the result of complication treatment of lower urinary tracts in 128 patients with localized prostate cancer. The patients underwent radical prostatectomy. Urinary discomforts included enuresis, urinary incontinence in postoperative period. Abnormalities of urine outflow due to urethral stricture were revealed in 6 (4,6%) patients by the 6 month after operation. These complications required surgical treatment. Urinary incontinence was noted in 20 (15,6%) patients in this period. It was stressful urinary incontinence in 16 (12,6%) and urgent - in 4 (3%). Patents with stressful urinary difficulty were advised to use the conservative treatment (pelvic floor muscle training and electrostimulation), but in case of inefficiency- surgical treatment
The studies on cementation focus exclusively on the carbon’s movement. It is described by diffusion equations, often with constant coefficients and without regard to the liaising with temperature. It does not allow to have regard to the further carbon diffusion into the workpiece with the lower temperature range. The most accurate prediction of carbon concentration profiles depending on the parameters of the carburization regime and the chemical composition of steel is possible with the mathematical models using. However, most models show good results for Fe-C austenite without affecting the effect of alloying substitution elements. Taking into account the influence of alloying elements leads to complex empirical dependencies with difficult selected coefficients. It makes their use difficult. The study describes the simulation using the finite element method for the process of austenite’s diffusion saturation Fe-C-Cr system with carbon during cementation. Here is an example of a steel gear 15Cr2 with the temperature influence. The COMSOL Multiphysics program is used to solve the problem numerically. It is found that the model of carbon diffusion in unalloyed austenite for the single-stage cementation regime is in good contact with the experimental data for the Fe-C-Cr austenite of 15Cr2 steel. For a two-stage process, the calculation of the carbon concentration in the surface layer has a slightly greater deviation from the experimental data than it is at a greater depth.
Features of the electric power market functioning, in comparison with common proper- ties of modern markets, are considered. It is shown that continuous reforms, which take place in many countries, are far from reaching effective solution. Sectoral peculiarities, connected with both technological complexity of the field and economic specificity of the market participants, form very special model of the market. The main way to increase effectivity of the market, to make it more competitive and, in the same time, socially responsible, is to use widely and deeply the modern information technologies, including technologies of artificial intelligence. A scheme of using the modern technologies has been proposed in the article. The first set of technologies merges methods of collection, storage, processing and presentation of information. The collection of market data can be realized. Particularly, by so-called “intellectual avatars”, which operate in the market as virtual agents. A reliable distributed storage of data, based on blockchain technology, is chosen. The big data technologies of data structuring, storage and processing are involved. Datamining methods include effective presentation of results in forms of graphs and diagrams. The second set of technologies includes core mathematical mod- els and “digital twins”. They are aimed for data interpolation and extrapolation; in particular, for prediction of further system dynamics. The used neural networks have option of self-learning and self-development. At last, the third set is a set of user interfaces, which provides market actors by complete and adopted information and is organized in accordance with ideas of ergonomics.
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