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Mokslas: Lietuvos Ateitis
ISSN 2029-2341 · Vilnius Gediminas Technical University · 1,376 articles in the index
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Journal Article
A sensitivity analysis of data imputation in daily PM10 prediction
Reliable daily prediction of particulate matter (PM10) depends not only on model structure and predictor selection, but also on how missing data are treated during preprocessing. In air-quality applications, gaps are common in both ground-based monitoring records and satellite-derived predictors…
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Journal Article
Trends in research on leaching of biogenic substances from drainage systems: a systematic literature review
Due to the increasing human impact on nature, the significance of environmental research is constantly growing. Inefficient or poorly maintained drainage systems can lead to significant losses of nutrients, promote soil erosion, eutrophication processes, and reduce the biodiversity and resilience…
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Journal Article
Biofilm formation kinetics and sulfur oxidation performance of Acidithiobacillus spp. cultivated in biofilter packing composed of KOH-modified biochar and FECO₃-impregnated CLC waste
This article interrogates the sulfur-oxidation kinetics and spatial biofilm architecture of Acidithiobacillus spp. (DSM 12475, DSM 739) supported on KOH-activated biochar and FeCO₃-modified Cellular Light-weight Concrete (CLC) waste within a 1.0-m controlled biofilter. Pure cultures were…
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Journal Article
Application of BIM to analyze the causes of construction project delays and completions
This article analyses the significance of Building Information Modeling (BIM) technology for identifying and preventing the causes of delays in construction projects. The research problem is associated with recurring issues in the construction sector, including missed deadlines, design errors…
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Journal Article
Methodology for planning bicycle path connections through urban recreational areas
Urbanization and the increasing use of private cars lead to higher levels of environmental pollution, traffic congestion, and a negative impact on quality of life. Cycling is considered one of the most important measures for promoting sustainable mobility; however, cycling infrastructure in cities…
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Journal Article
Sustainability assessment of urban heat island mitigation measures in street environments: an analysis of street trees and cool pavements
This study evaluates the sustainability of two passive UHI measures – street trees (ST) and reflective pavements (RP) – in a street context using a multi-criteria SMART approach. Criteria covered environmental, social, and economic dimensions, with scores based on literature and expert judgment…
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Journal Article
Analysis of raw wastewater heat recovery in the TRNSYS modeling environment
The potential for thermal energy recovery from wastewater in the climatic conditions of Vilnius city is analyzed using the TRNSYS modeling tool. The article examines how much heat can be recovered from domestic wastewater and to what extent this energy can be effectively used, contributing to…
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Journal Article
The impact of building renovation material selection on CO₂ emissions over the entire life cycle
Building renovation is one of the main measures for reducing CO₂ emissions in the construction sector; however, the selection of materials in the renovation of older multi-apartment buildings is often assessed only from the perspective of energy efficiency. This study analyses the environmental…
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Journal Article
Geopolymer reinforcement of road embankment slopes under low seismic loading conditions
Lithuania is classified as a region of low seismic hazard; however, even low-intensity dynamic actions may affect the stability of marginally stable geotechnical structures. Road embankment slopes are particularly sensitive to changes in stress state caused by traffic loads and dynamic effects…
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Journal Article
Biologically-derived corn starch and glycerol coatings for possible wood surface modification: analysis of strength and moisture-related properties
The current study analyses the possible application of corn starch- and glycerol-based coatings on wood surfaces to assess their impact, both positive and negative, and the necessity to modify them to improve strength and moisture-related properties. It was determined that glycerol content up to…
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Journal Article
Impact of influencer’s authenticity and credibility on purchase intention: case of virtual vs. human influencer
This study investigates the influence of influencers’ authenticity and credibility on purchase intention, with a focus on the differences between virtual influencers and human influencers. Using a 2×2 factorial design experiment, the research explores the mediating role of influencer authenticity…
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Journal Article
Assessing the progress of EU countries towards achieving the Sustainable Development Goals
This study evaluates the extent to which European Union countries are meeting the Sustainable Development Goals (SDGs). It analyses a range of factors to measure the progress being made. The research pays attention to areas such as reducing poverty, promoting gender equality and examining labour…
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Journal Article
Evaluating the integration of apartment building heating systems with low-temperature district heating networks
Any renovation of apartment buildings by replacing or keeping their heating devices usually means that high temperatures of the heat carrier are maintained, which restricts boosting the efficiency of a central heating supply system. This also limits the scope for a switch to more efficient systems…
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Journal Article
Optimization of biogas production from Phragmites australis using first-order kinetic models
This study investigates the viability of Phragmites australis, commonly known as the common reed, as a sustainable feedstock for biogas production, emphasizing the effectiveness of pretreatment techniques to enhance biogas production. Given the invasive nature of Phragmites australis, the…
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Journal Article
Detection of pneumonia from chest X-rays using convolutional neural networks
Pneumonia detection from chest X-rays is crucial for early diagnosis, and deep learning models –specifically convolutional neural networks (CNNs) – have shown promise in automating this process. In this study, a CNN using the DenseNet-121 architecture was developed and trained, referred to as…
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Journal Article
Evaluation of Life Cycle Assessment (LCA) and sound absorption properties of composite materials made from coconut and sugarcane fibers
Agriculture plays a crucial part in the economic growth of several developing nations; however, it creates 1,300 million tons of waste each year, which generates environmental issues. Noise pollution, particularly in urban environments, is an expanding global health issue for emotional and physical…
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Journal Article
Deflection analysis of composite reinforced concrete elements
This article examines the deflections of layered reinforced concrete bending elements, which are influenced by interlayer slip. Also, the study shows the work stages of such elements and methods for calculating their deflections. The experimental part analyzes composite reinforced concrete beam…
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Journal Article
Investigation of the thermal conductivity of RT58 phase change material during the charging process of a thermal storage tank under natural convection conditions
As global energy demand grows, more and more attention is being paid to efficient energy storage solutions, among which Phase Change Materials (PCMs) are particularly promising. They allow efficient thermal energy storage by using the latent heat that is absorbed or released during the…
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Journal Article
Application of global navigation satellite systems and synthetic aperture radar technology in environmental and earth surface stability research: a reviews
Environmental monitoring technologies have advanced, offering reliable data to assess and mitigate the impacts of climate and ecosystem changes on the planet. Global Navigation Satellite Systems (GNSS) and Synthetic Aperture Radar (SAR) technology have contributed to this progress. The combined use…
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Journal Article
Dependence of cadmium, lead, and copper speciation on soil pH and temperature using VISUAL MINTEQ
Soil contamination by heavy metals poses a significant threat to the environment and human health, primarily due to the toxicity of these metals and their ability to accumulate in organisms. To determine how soil pH and temperature affect the chemical speciation, mobility, and immobilization…
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