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The article deals with of a hydrogen pressure vessel suitable for high pressure of approximately 75 MPa. One of the goals is to design a vessel from materials whose strength will meet mechanical requirements a calculated in both analytical and numerical ways. Another objective is the simulation of the design the pressure vessel with regard to safety and weight requirements.

Based on the lighting systems efficient utilization strategies analysis of lighting systems efficient utilization and through its synthesis with the options of intelligent control were for a design and calculation of lighting systems analyzes of the reference shop energysaving lighting system designs were carried out. The results of the rationalization procedures and measures that have been made for the purpose of a reduction of energy demand of industrial operations lighting systems, were the basis for a developm...

Plastics are materials used in almost all areas of human activity and also in various branches of industry and in life in general. The growing production of plastics, their volume are evenly growing up also in the waste, therefore it is necessary to solve the plastic waste problem. The contribution deals with the using of recycled plastics plates and testing of sorted plastic waste. From the plastic waste as the semi-products re prepared for example the plastic plates by extruding technology, it means recycled pla...

The erosion of the soil is characterized for the disaggregation and transport of the superficial material, promoted by the hydric or eolic action, leading to the impoverishment of the soil, and in extreme cases to the desertification. This process is complex and depends on a multiplicity of factors that differ in the time and space, whose universality and simultaneous particularities, becomes it difficult to equate and to quantify. Modeling can provide a quantitative and consistent approach to estimate soil erosio...