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Construction using 3D printer technology seems to be not just a passing trend and a growing number construction companies are approaching this new construction methodology. Although construction processes with printers are becoming standardized, it is also true that many other aspects must be considered in the design phase. Better this construction methodology becomes known, more architects and engineers will have to learn how to design these constructions, in the methods of statics, systems, etc. A very important...

Bottom sediments of continental limnic ecosystems are of great interest to researchers as paleoarchives of changes taking place in the environment. Use of diatoms allows to reconstruct the main stages of life of lakes against the background of changing environmental conditions caused by natural and anthropogenic causes. The core of the bottom sediments selected from Pleshcheyevo Lake (Russia). The maximum age of the core was 5070В±150 year BP (Holocene period). Diatom analysis of 73 samples revealed 127 taxa. In t...

A natural zeolite, Clinoptilolite was used to investigate its adsorption capacity for the lead (II) ions from artificial polluted tap water in this study. For the experimental studies, Clinoptilolite mineral which is 25-140 mesh size was used by activating with HCl, and lead ion removal efficiencies were examined. Experiments were studied under laboratory batch conditions were run at different pH values, temperatures. The highest removal efficiency was found as about 87\% at pH 5. Similarly, experiments were carri...