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38 Results Found

  • Article
  • Open Access
51 Citations
12,674 Views
15 Pages

21 September 2019

To study the impact of the promotion of electric vehicles on carbon emissions in China, the full life carbon emissions of electric vehicles are studied on the basis of considering such factors as vehicle weight and grid mix composition, and fuel vehi...

  • Article
  • Open Access
8 Citations
3,371 Views
13 Pages

Antibacterial Efficiency of Stainless-Steel Grids Coated with Cu-Ag by Thermionic Vacuum Arc Method

  • P. Dinca,
  • B. Butoi,
  • M. Lungu,
  • C. Porosnicu,
  • I. Jepu,
  • C. Staicu,
  • C.P. Lungu,
  • A. Niculescu,
  • I. Burducea and
  • G. Soreanu
  • + 3 authors

28 March 2020

Autonomous smart natural ventilation systems (SVS) attached to the glass façade of living quarters and office buildings can help reducing the carbon footprint of city buildings in the future, especially during warm seasons and can represent an...

  • Article
  • Open Access
8 Citations
2,311 Views
15 Pages

9 September 2024

This study aims to develop thermoplastic (TP) and thermoset (TS) based mixed matrix composite using design dependent physical compatibility. Using thermoplastic-based (PLA) skeletal lattices with diverse patterns (gyroid and grid) and different infil...

  • Article
  • Open Access
17 Citations
4,764 Views
13 Pages

Impact of Hydrogen on Natural Gas Compositions to Meet Engine Gas Quality Requirements

  • Christina Ingo,
  • Jessica Tuuf and
  • Margareta Björklund-Sänkiaho

27 October 2022

To meet the target of reducing greenhouse gas emissions, hydrogen as a carbon-free fuel is expected to play a major role in future energy supplies. A challenge with hydrogen is its low density and volumetric energy value, meaning that large tanks are...

  • Article
  • Open Access
2 Citations
2,353 Views
25 Pages

11 July 2024

Laser additive manufacturing with mixed powders of aluminum alloy and silicon carbide (SiC) or boron carbide (B4C) is investigated in this experiment. With various mixing ratios of SiC/Al to form metal matrix composites (MMC), their mechanical and ph...

  • Article
  • Open Access
1 Citations
2,685 Views
13 Pages

14 July 2023

Carbon fiber-reinforced plastic (CFRP) has been widely investigated as a reinforcement material to address the corrosion and durability issues of reinforced concrete (RC). To improve the strain of FRP grids, we investigated the effect of single-fiber...

  • Article
  • Open Access
13 Citations
3,822 Views
13 Pages

20 December 2019

We propose a paper solar cell based on carbon nanotube (CNT)-composite papers. To fabricate this cell, we use dye-sensitized solar cells (DSCs) for generating power through the redox reaction of dyes in conjunction with CNT-composite papers, which ar...

  • Article
  • Open Access
13 Citations
2,830 Views
21 Pages

15 September 2020

Power distribution systems nowadays are highly penetrated by renewable energy sources, and this explains the dominant role of power electronic converters in their operation. However, the presence of multiple power electronic conversion units gives ri...

  • Article
  • Open Access
10 Citations
7,709 Views
12 Pages

Racial geography, mapping spatial distributions of different racial groups, is of keen interest in a multiracial society like the United States. A racial dot map is a method of visualizing racial geography, which depicts spatial distribution, populat...

  • Proceeding Paper
  • Open Access
552 Views
6 Pages

14 November 2024

The establishment of the patterns of formation and structure of mesh polymers, as well as the methods of their controlled synthesis, makes it possible to rationally manage the technological processes of obtaining and processing materials based on the...

  • Communication
  • Open Access
7 Citations
6,514 Views
8 Pages

In this paper, we apply a special application of the Rao quadratic diversity for multiscale analysis of land use changes in a mixed agricultural-forest landscape in Central Italy. The proposed approach is similar to a block-size analysis of compositi...

  • Article
  • Open Access
37 Citations
5,402 Views
23 Pages

Structural Behavior of Large-Scale I-Beams with Combined Textile and CFRP Reinforcement

  • Jan Bielak,
  • Maximilian Schmidt,
  • Josef Hegger and
  • Frank Jesse

3 July 2020

With the innovative composite material carbon-reinforced concrete, thin-walled, high-performance components can be realized. A combination of carbon fiber reinforced polymer (CFRP) bars and non-metallic textile grids is advantageous as it exploits th...

  • Article
  • Open Access
22 Citations
5,627 Views
21 Pages

6 September 2020

The rapid evolution of cities has brought new challenges to urban planning and management. The accurate evaluation of urban functional structure and mixed use is critical, especially at a fine scale such as by blocks. The composition and mixing of ur...

  • Article
  • Open Access
29 Citations
9,564 Views
30 Pages

Steel, Aluminum, and FRP-Composites: The Race to Zero Carbon Emissions

  • Vaishnavi Vijay Rajulwar,
  • Tetiana Shyrokykh,
  • Robert Stirling,
  • Tova Jarnerud,
  • Yuri Korobeinikov,
  • Sudip Bose,
  • Basudev Bhattacharya,
  • Debashish Bhattacharjee and
  • Seetharaman Sridhar

30 September 2023

As various regions around the world implement carbon taxes, we assert that the competitiveness of steel products in the marketplace will shift according to individual manufacturers’ ability to reduce CO2 emissions as measured by cradle-to-gate...

  • Article
  • Open Access
6 Citations
3,180 Views
17 Pages

13 April 2022

The increasing share of variable renewable energies in the power grid is an incentive to explore demand response strategies. Chlor-alkali processes are high potential candidates, according to previous publications. Within Germany’s chemical ind...

  • Case Report
  • Open Access
13 Citations
3,314 Views
11 Pages

Analysis of Salt Mixture Contamination on Insulators via Laser-Induced Breakdown Spectroscopy

  • Shan Lu,
  • Xinwei Wang,
  • Tianzheng Wang,
  • Xinran Qin,
  • Xilin Wang and
  • Zhidong Jia

10 April 2020

The composition of contamination deposited on transmission line insulators can affect their surface flashover voltage. Currently, there is no rapid on-line method to detect this contamination composition in power grids. In this paper, we applied lase...

  • Article
  • Open Access
22 Citations
4,675 Views
19 Pages

Substitution of Natural Gas by Biomethane: Operational Aspects in Industrial Equipment

  • Felipe Solferini de Carvalho,
  • Luiz Carlos Bevilaqua dos Santos Reis,
  • Pedro Teixeira Lacava,
  • Fernando Henrique Mayworm de Araújo and
  • João Andrade de Carvalho Jr.

11 January 2023

Global gas markets are changing as natural gas (NG) is replaced by biomethane. Biomethane is produced by upgrading biogas, which can have a molar concentration of methane to over 98%. This renewable energy has been injected into the pipeline networks...

  • Article
  • Open Access
12 Citations
3,772 Views
14 Pages

Topographic Effects on the Spatial Species Associations in Diverse Heterogeneous Tropical Evergreen Forests

  • Nguyen Hong Hai,
  • Yousef Erfanifard,
  • Van Bac Bui,
  • Trinh Hien Mai,
  • Any Mary Petritan and
  • Ion Catalin Petritan

25 February 2021

Studying spatial patterns and habitat association of plant communities may provide understanding of the ecological mechanisms and processes that maintain species coexistence. To conduct assessments of correlation between community compositions and ha...

  • Article
  • Open Access
2 Citations
2,327 Views
18 Pages

LEVIS is an innovation project funded by the EU Horizon 2020 program. Its main objective is to develop lightweight multi-material solutions based on bio-based materials and carbon fiber thermoplastic composites for electric vehicle components and dem...

  • Article
  • Open Access
14 Citations
10,052 Views
16 Pages

26 April 2021

The main aim of the study was to assess the environmental performance, through the application of the life cycle assessment, of a recycled paper production process focusing on the energy aspect. The production process occurred in a paper mill that pr...

  • Article
  • Open Access
11 Citations
4,613 Views
14 Pages

Detection of 8-Hydroxy-2′-Deoxyguanosine Biomarker with a Screen-Printed Electrode Modified with Graphene

  • Codruta Varodi,
  • Florina Pogacean,
  • Maria Coros,
  • Marcela-Corina Rosu,
  • Raluca-Ioana Stefan-van Staden,
  • Emese Gal,
  • Lucian-Barbu Tudoran,
  • Stela Pruneanu and
  • Simona Mirel

4 October 2019

In this work we present the preparation of graphene material by exfoliation of graphite rods via pulses of current in electrolyte, containing a mixture of boric acid (0.05 M) and sodium chloride (0.05 M). The material was morphologically and structur...

  • Article
  • Open Access
714 Views
14 Pages

Composite Material Formation Based on Biochar and Nickel (II)-Copper (II) Ferrites

  • Nina P. Shabelskaya,
  • Alexandr V. Vyaltsev,
  • Neonilla G. Sundukova,
  • Vera A. Baranova,
  • Sergej I. Sulima,
  • Elena V. Sulima,
  • Yulia A. Gaidukova,
  • Asatullo M. Radzhbov,
  • Elena V. Vasileva and
  • Elena A. Yakovenko

26 September 2025

This paper studies the formation process of a composite material based on an organic substance, biochar from sunflower husks, and an inorganic substance, nickel (II)-copper (II) ferrites of the composition CuxNi1−xFe2O4 (x = 0.0; 0.5; 1.0). The...

  • Article
  • Open Access
52 Citations
7,131 Views
18 Pages

Microbial Resource Management for Ex Situ Biomethanation of Hydrogen at Alkaline pH

  • Washington Logroño,
  • Denny Popp,
  • Sabine Kleinsteuber,
  • Heike Sträuber,
  • Hauke Harms and
  • Marcell Nikolausz

Biomethanation is a promising solution to convert H2 (produced from surplus electricity) and CO2 to CH4 by using hydrogenotrophic methanogens. In ex situ biomethanation with mixed cultures, homoacetogens and methanogens compete for H2/CO2. We enriche...

  • Feature Paper
  • Article
  • Open Access
17 Citations
3,890 Views
13 Pages

Cinnamal Sensing and Luminescence Color Tuning in a Series of Rare-Earth Metal−Organic Frameworks with Trans-1,4-cyclohexanedicarboxylate

  • Pavel A. Demakov,
  • Alena A. Vasileva,
  • Sergey S. Volynkin,
  • Alexey A. Ryadun,
  • Denis G. Samsonenko,
  • Vladimir P. Fedin and
  • Danil N. Dybtsev

25 August 2021

Three isostructural metal–organic frameworks ([Ln2(phen)2(NO3)2(chdc)2]·2DMF (Ln3+ = Y3+ for 1, Eu3+ for 2 or Tb3+ for 3; phen = 1,10-phenanthroline; H2chdc = trans-1,4-cyclohexanedicarboxylic acid) were synthesized and characterized. The compounds a...

  • Article
  • Open Access
1 Citations
809 Views
22 Pages

We investigate the Optimal Obstacle Placement (OOP) problem under uncertainty, framed as the dual of the Optimal Traversal Path problem in the Stochastic Obstacle Scene paradigm. We consider both continuous domains, discretized for analysis, and alre...

  • Feature Paper
  • Article
  • Open Access
12 Citations
3,190 Views
20 Pages

19 January 2022

The degree to which burn severity influences the recovery of aboveground carbon density (ACD) of live pools in shrublands remains unclear. Multitemporal LiDAR data was used to evaluate ACD recovery three years after fire in shrubland ecosystems as a...

  • Article
  • Open Access
3 Citations
3,518 Views
15 Pages

Mapping Ecological Units in Mesophotic Coral Ecosystems of San Andrés Island (Southwestern Caribbean)

  • Katherine Mejía-Quintero,
  • Cristina Cedeño-Posso,
  • Santiago Millán and
  • Luis Chasqui

19 August 2022

To map ecological units in mesophotic coral ecosystems on the western side of San Andrés Island (Colombia) considering biotic components and geomorphic zonation among 30–140 m deep, 27 video transects were done using an ROV. In total, 14...

  • Article
  • Open Access
11 Citations
3,136 Views
29 Pages

18 June 2024

The wind energy sector faces a persistent challenge in developing sustainable solutions for decommissioned Wind Turbine Blades (WTB). This study utilises Lifecycle Assessment (LCA) to evaluate the gate-to-gate carbon footprint of high-profile disposa...

  • Article
  • Open Access
978 Views
30 Pages

22 September 2025

This study investigates urban–remote disparities in the science performance of Taiwanese eighth-grade students, particularly in matter-related domains, using an explanatory–sequential mixed-methods design. For the quantitative phase, we a...

  • Article
  • Open Access
12 Citations
3,488 Views
21 Pages

19 November 2021

Spectral unmixing remains the most popular method for estimating the composition of mixed pixels. However, the spectral-based unmixing method cannot easily distinguish vegetation with similar spectral characteristics (e.g., different forest tree spec...

  • Article
  • Open Access
10 Citations
5,281 Views
16 Pages

16 June 2024

Globally, we produced 489 million tonnes of plastic in 2023 and we recycled only 8.17%. This study navigates the landscape of recycling practices, highlighting the imperative to reevaluate and upgrade industry-standard protocols. The central focus of...

  • Article
  • Open Access
5 Citations
3,883 Views
28 Pages

13 July 2023

Renewables-based power grid expansion has increased the use of wood biomass as a low-carbon fuel, resulting in the generation of predominantly inorganic wood biomass ash (WBA) as waste during biomass combustion. The conservation of historically valua...

  • Article
  • Open Access
12 Citations
5,534 Views
12 Pages

The soil exchange complex consists of colloidal materials on which ion exchange phenomena occur allowing it to attract, retain, and exchange elements that have opposite electric charges. Since their mineral constituents (clay) and organic components...

  • Article
  • Open Access
13 Citations
4,569 Views
20 Pages

Life Cycle Assessment of Advanced Building Components towards NZEBs

  • Despoina Antypa,
  • Foteini Petrakli,
  • Anastasia Gkika,
  • Pamela Voigt,
  • Alexander Kahnt,
  • Robert Böhm,
  • Jan Suchorzewski,
  • Andreia Araújo,
  • Susana Sousa and
  • Elias P. Koumoulos

5 December 2022

The building sector accounts for 40% of the total energy consumed in Europe at annual basis, together with the relevant Greenhouse Gas (GHG) emissions. In order to mitigate these impacts, the concept and establishment of the Nearly Zero Energy Buildi...

  • Article
  • Open Access
790 Views
35 Pages

3 November 2025

Against the backdrop of Shenzhen’s high-density urban environment, the multifunctional design of water purification plants offers dual benefits: providing residents with urban green spaces while simultaneously mitigating NIMBY sentiments due to...

  • Feature Paper
  • Article
  • Open Access
282 Views
25 Pages

5 March 2026

The oceanic wet–thermal and chloride salt environment creates extremely harsh service conditions for marine infrastructures. As a green construction material, geopolymer concrete has a promising application prospect in marine engineering due to...

  • Article
  • Open Access
19 Citations
3,778 Views
18 Pages

31 August 2020

In recent years, carbon nanofibers have been investigated as a suitable reinforcement for cementitious composites to yield novel multifunctional materials with improved mechanical, electrical, magnetic, and self-sensing behavior. Despite several stud...

  • Article
  • Open Access
6 Citations
2,402 Views
22 Pages

The Influence of Typhoon-Induced Wave on the Mesoscale Eddy

  • Zeqi Zhao,
  • Jian Shi,
  • Weizeng Shao,
  • Ru Yao and
  • Huan Li

9 December 2023

The strong wind-induced current and sea level have influences on the wave distribution in a tropical cyclone (TC). In particular, the wave–current interaction is significant in the period in which the TC passed the mesoscale eddy. In this study...