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Wyniki wyszukiwania dla: Materials Science
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Analysis of Transparent Concrete as an Innovative Material Used in Civil Engineering
PublikacjaSince the dawn of history concrete has been, right behind stone and brick, one of the oldest building materials. The ancient Romans took advantage of its opportunities. They constructed amazing architectural objects, which survived centuries as whole buildings or parts of them. Concrete is so ubiquitous, that when we are walking in a newer districts of cities we are virtually surrounded by concrete from everywhere. Sometimes...
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Investigation of changes in the type B PLC effect of Al–Mg–Cu type alloy for various strain rates
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Investigation of changes in the type B PLC effect of Al-Mg-Cu type alloy for various strain rates
PublikacjaEfekt Portevina-LeChateliera ujawnia się w postaci skokowych zmian naprężenia w trakcie procesu odkształcenia próbek pewnych stopów. Zjawisko PLC występuje w kilku odmianach charakteryzujących się istotnymi różnicami zarówno w przestrzennym rozkładzie pasm odkształcenia jak też przebiegu krzywej naprężeniowej. Przebiegi odpowiadające różnym odmianom serration charakteryzują się odmiennymi właściwościami rozkładu energetycznego...
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Facile synthesis and characterization of graphene and N-doped graphene by CVD method from liquid precursors for promising electrode materials
PublikacjaIn this study, high-quality and few-layered graphene was synthesized using the chemical vapor deposition (CVD) method from liquid sources. Two different liquid carbon sources, pyridine, and benzene, were used and deposited on nickel foam under heat conditions using a bubbler in a quartz tube. X-ray diffraction (XRD) and Raman analysis confirmed the crystalline properties of graphene and N-doped graphene, demonstrating the high...
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Polish experience with cold in-place recycling
PublikacjaDeep cold in-place recycling using cement and asphalt emulsion has been used for reconstruction of existing roads since the beginning of the 1990s. This paper describes the first Polish requirements for mineral-cement-emulsion mixtures. As requirements stated for the strength of the mineral-cement-emulsion mixtures were quite high, most of the mixtures were designed using high amount of cement and aggregate added for the improvement...
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The Dilemmas of Choosing a Suitable Technology for Low Energy and Passive Houses in the Context of their Overheating Issues
PublikacjaIn compliance with European Union directives, numerous countries are introducing increasingly stricter legal limits on the estimated energy consumption of newly designed residential buildings. However, the fact, that regulations and designers' efforts are focused on decreasing energy consumption (and consequently carbon dioxide emissions) only at the post-occupancy stage, may lead to a significant increase in the carbon footprint...
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Ergonomic Aspects of Transport of Patient through the Operating Theatre
PublikacjaOne of the most crucial decisions to be made while designing and re-modernizing an operating theatre is selecting a method of transporting the patient through the hospital’s spatial arrangement. This decision, while irrelevant at first thought, implies numerous project and functional consequences. Designing an operating theatre within a hospital is related to numerous specialist requirements with an aim of minimizing the risk of...
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Functionalized nanodiamonds as a perspective green carbo-catalyst for removal of emerging organic pollutants
PublikacjaRapid industrial and urban development jointly with rising global population strongly affect the large-scale issues with drinking, groundwater, and surface water pollution. Concerns are not limited to environmental issues but also human health impact becoming serious global aspect. Organic pollution becomes a primarily serious hazard, therefore, the novel sophisticated approaches to treat them are thoroughly investigated. Among...
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Analysis of the Toxic Element Concentrations in the Mesozoic Siliceous Rocks in Terms of the Raw Material Importance
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Tourism Infrastructure Providing Access to Areas of Protected Landscape and Nature in Poland. Selected Examples
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Health-Promoting Places: Rain Gardens and Sustainable Water Management
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Health-Promoting Places: Architectural Variety
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Some of Challenges Faced by Eco-Neighbourhoods in Poland in Comparison with EcoQuartier Program in France
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Multiplication Analysis of the Cause, Form and Extent of Damage to Buildings in Areas with Mining Impact
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Impact of Mining Exploitation on Properties with Engineering Structures by Local Urban Development Plans
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Scheduling Repetitive Construction Processes Using the Learning-Forgetting Theory
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Optimization of inventory costs management in the construction enterprise
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Slope Reinforcement with the Utilization of the Coal Waste Anthropogenic Material
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Evaluation of Supply Chain Management Systems Used in Civil Engineering
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Using CFD software for the evaluation of hygrothermal conditions at wall-window perimeters
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Modelling of Edge Insulation Depending on Boundary Conditions for the Ground Level
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Porosimetric, Thermal and Strength Tests of Aerated and Nonaerated Concretes
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Reasons for changes in the value of unit pressure of compression products supporting external treatment
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New method of processing heat treatment experiments with numerical simulation support
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Electrochemical oxidation of sulphamerazine at boron-doped diamond electrodes: Influence of boron concentration
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Electrochemical oxidation of ionic liquids at highly boron doped diamond electrodes
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Motion laws synthesis for cam mechanisms with multiple follower displacement
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The features of steel surface hardening with high energy heating by high frequency currents and shower cooling
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Hybrid Processing: the Impact of Mechanical and Surface Thermal Treatment Integration onto the Machine Parts Quality
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Kinematic analysis of crank -cam mechanism of process equipment
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Modeling knee joint endoprosthesis mode of deformation
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Integrated Processing: Quality Assurance Procedure of the Surface Layer of Machine Parts during the Manufacturing Step "Diamond Smoothing"
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Grinding specifics of plasma coatings melted with high-frequency currents
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Research of Influence Electric Conditions Combined ElectroDiamond Processing by on Specific Consumption of Wheel*
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Synthesis of irregular motion mechanisms for production machine drives
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Research into properties of wear resistant ceramic metal plasma coatings
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Ways to implement hybrid finishing technology with a hand-held rotary tool
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Formation of high-carbon abrasion-resistant surface layers when high-energy heating by high-frequency currents
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A comparison of exhaust emissions from vehicles fuelled with petrol, LPG and CNG
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Influence of the use of ethanol fuel on selected parameters of the gasoline engine
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Adhesion of AlCrN coating deposited on TiB2/Ti composites sintered by SPS dedicated for high temperature tribological applications
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The method of tribotesting of PVD coated elements in oscillation motion at high temperature
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Meta-Design and the Triple Learning Organization in Architectural Design Process
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Influence of the Organizational Schemes of the Construction Process on the Quality of the Structures Erected Based on Selected Legal Aspects from Russia, Slovakia, and Poland
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Comparison of ANN Classifier to the Neuro-Fuzzy System for Collusion Detection in the Tender Procedures of Road Construction Sector
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Modelling Negotiations of Construction Subcontract based on a Game Theory – Results of an Experiment
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Long Short-Term Memory (LSTM) neural networks in predicting fair price level in the road construction industry
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Managing Delays in Construction Projects Aiming at Cost Overrun Minimization
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Loads from Compressive Strain Caused by Mining Activity Illustrated with the Example of Two Buildings in Silesia
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Application of decision–making parametric structures in the analysis of a compound planetary gear
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