Simultaneous Measurements of PM2.5- and PM10-bound Benzo(a)pyrene in a Coastal Urban Atmosphere in Poland: Seasonality of Dry Deposition Fluxes and influence of Atmospheric Transpo... by Patrycja Siudek, Wiesława Ruczyńska

“…During the period from October to November, high Pb/Zn ratios in PM2.5 and PM10 were also observed, suggesting significant contribution of industrial emission (coal combustion) and local non-exhaust traffic emissions, including tyre abrasion in the case of Zn and the resuspension of road dust rich in Pb. …”
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Experimental Investigation of Brazilian 14-X B Hypersonic Scramjet Aerospace Vehicle by João Felipe de Araujo Martos, Israel da Silveira Rêgo, Sergio Nicholas Pachon Laiton, Bruno Coelho Lima, Felipe Jean Costa, Paulo Gilberto de Paula Toro

“…The Brazilian hypersonic scramjet aerospace vehicle 14-X B is a technological demonstrator of a hypersonic airbreathing propulsion system based on the supersonic combustion (scramjet) to be tested in flight into the Earth’s atmosphere at an altitude of 30 km and Mach number 7. …”
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Research progress of Ti2AlNb alloy and feasibility analysis of its application in aero engines by PEI Huiping, LIU Dong, YAO Lipan, SHAO Tianmin, LIU Qiaomu, LIU Liangliang, CHEN Qianming

“…The analysis results indicate the feasibility of using Ti2AlNb alloy in aviation engines， with significant advantages in weight reduction： the alloy achieves a good balance of strength， toughness， and plasticity without obvious shortcomings； it has acceptable cold and hot processing performance， and can obtain engineering-sized parts through deformation， casting， and other methods； its combustion resistance is superior to traditional titanium alloys； when applied to static components such as casings， it can achieve a weight reduction of 35.3% compared to high-temperature alloys， and when applied to integral blade/disks and rotor components， it can achieve a weight reduction of 37.3% compared to nickel-based high-temperature alloys.…”
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Effect of vehicle operating parameters on fuel consumption and the overall energy efficiency of the drive system by Jaroslaw Gonera, Michał Janulin, Oleksandr Vrublevskyi

“…The application of the presented method enabled a comparison of the overall energy efficiency of two vehicles equipped with spark-ignition combustion engines, according to the criteria listed. …”
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The Role of Sulfur Emission from the Petroleum Industry on Ultrafine Particle Number Concentration in Singapore by Suyi Hou, Weihan Li, Liudongqing Yang, Guorong Chen, Yilin Zhang, Mikinori Kuwata

“…The particle number concentration (dp > 50 nm) correlated with the enhancements in CO concentration (ΔCO) for CH4-dominant air masses, suggesting that incomplete combustion processes, such as traffic emission, are important for the size range. …”
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Renewable Energy in Sudan: Current Status and Future Prospects by Ihab Jabbar Al‐Rikabi, Adil A. M. Omara, Mohamed Ali Abuelnour, Abuelnuor A. A. Abuelnuor, Ahmed Elbashir Mohamed, Najib Aminu Ismail

“…ABSTRACT Sudan relies heavily on refined petroleum products for electricity generation, excluding hydropower, contributing to environmental degradation through petroleum combustion. This challenge underscores the need to expand renewable energy utilization. …”
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Study on Seismic Dynamic Response of Deep-Buried Tunnel Based on Tectonic Stress by Junjie He, Song Hu, Yonggang Guo

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Overview of Aerosol and Air Pollution in South Eastern Asia Countries by Tsrong-Yi Wen, Somporn Chantara, Juliana Jalaludin, Puji Lestari, Arie Dipareza Syafei, Pham Van Toan, Ying I. Tsai

“…The main potential sources of PM2.5 were diesel vehicle emission, a mixture of Cu industry and biomass combustion, metal industries using Ni, and construction, with contributions of 33%, 24.1%, 11.4%, and 7.9%, respectively. …”
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Annual Variation of PM2.5 Chemical Composition in Ho Chi Minh City, Vietnam Including the COVID-19 Outbreak Period by Ngoc Tran, Yusuke Fujii, Vinh Xuan Le, Nguyen Doan Thien Chi, Hiroshi Okochi, To Thi Hien, Norimichi Takenaka

“…The OC/EC ratio (3.28 ± 0.61) and char-EC/soot-EC (4.88 ± 2.72) suggested that biomass burning, coal combustion, vehicle emissions, cooking activities are major PM2.5 sources in HCMC. …”
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Decarbonization of space heating in the Italian Alpine context: Thermo-economic assessment of the levelized energy cost of heating under alternative renewable scenarios by Lorenzo Menin, Gregorio Borelli, Alessandro Prada, Giovanni Pernigotto, Andrea Gasparella, Marco Baratieri

“…However, scenario (1) exhibits the highest competitiveness under recent subsidization policies, with a weighted average levelized energy cost of heat of 104 €/MWh, in line with the cost of standalone natural gas combustion in condensing boilers. PV delivers the second most cost-effective solution with strong improvement potential under grid electricity cost reductions. …”
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Aircraft hybrid-electric environment for analysis and design (AHEAD) applied on a fixed-wing drone by Manuel A. Rendón, Patrícia H. Hallak, Yipsy Roque Benito, Marcelo Assato, Camila de Oliveira Cunha, Daniel Miranda Esther, Rafael Grande Pancini Delmonte, Denys Pinto Gonçalves

“…Two topologies were analyzed: series configuration with internal combustion engine (ICE); and turbo-electric with fuel cell (FC). …”
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Modelling and analysis of coalbed methane drainage quality in penetrating-strata boreholes considering air leakage by Lizhen Zhao, Tianxuan Hao, Dengke Wang, Jianping Wei, Yang Du, Baisheng Nie, Jie Chen, Zhen Li, Yiju Tang, Fukai Zhang, Bowen Dong, Yuling Xia

“…Air leakage should be prevented during CBM drainage because it can reduce drainage concentration and induce produce accidents such as coal seam spontaneous combustion. However, existing theoretical models for CBM drainage do not consider the air leakage effect. …”
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Heavy Metals Pollution and Pb Isotopic Signatures in Surface Sediments Collected from Bohai Bay, North China by Bo Gao, Jin Lu, Hong Hao, Shuhua Yin, Xiao Yu, Qiwen Wang, Ke Sun

“…Compared with Pb isotopic radios in other sources, Pb contaminations in the surface sediments of Bohai Bay may be controlled by the mix process of coal combustion, aerosol particles deposition, and natural sources.…”
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Study on Pore and Fissure Structure Characteristics of Deep Soft Coal Rock by Minbo Zhang, Zhen Zhang, Dangyu Zhang, Delong Zou, Jinlei Du, Zichao Wang, Chunxin Li

“…The microscopic pore and fissure structure is the key factor affecting the exploitation, storage, and migration of coalbed methane and coal spontaneous combustion tendency. For further research of the microstructure of deep soft coal rock, such as pores and fissures, the coal samples from the Yangdong mining area were qualitatively and quantitatively analyzed in terms of morphological characteristics, pore shape, pore specific surface area, pore volume, and pore diameter by a scanning electron microscope (SEM) and a low-temperature liquid nitrogen adsorption experiment. …”
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A highly active, low-cost CoZn ferrite electrocatalyst in oxygen reduction reactions by Qurat-Ul-Ain, Fawad Ahmad, Muhammad Irfan, Muhammad Imran Khan, Komal Ali Rao, Naseem Akhter, Abdallah Shanableh, Muhammad Babar Taj, Leonid G. Voskressensky, Rafael Luque

“…Fuel cell technology offers a promising alternative to fossil fuel combustion, providing a clean, eco-friendly and a more efficient energy source. …”
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Sub-seasonal Patterns of PM10 and Black Carbon in a Coastal City: A Case Study of Salé, Morocco by Anas Otmani, Abdeslam Lachhab, Abdelfettah Benchrif, Mounia Tahri, Mohamed Azougagh, Mohammed El Bouch, El Mahjoub Chakir

“…The study centered on the repercussions of fossil fuel combustion (BCFF specifically, emissions from traffic) and biomass burning (BCBB Consisting of forest fires and agricultural burning) on BC2.5 levels. …”
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Ambient air pollution and carcinogenic activity at three different urban locations by Ivana Jakovljević, Zdravka Sever Štrukil, Gordana Pehnec, Tajana Horvat, Mandica Sanković, Antun Šumanovac, Silvije Davila, Nikolina Račić, Goran Gajski

“…The obtained results indicated petrogenic and pyrogenic sources, petroleum combustion, and vehicle emission as dominant sources at the UR and UB locations, while vehicle emission, biomass and coal burning, and pyrogenic sources were recognized as dominant sources at the UI location. …”
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Soil Degradation Evidence Following a Wildfire in Arequipa’s Andean Region, Peru by Lunsden Coaguila, Jorge Mataix-Solera, Sonia Nina, Minerva García-Carmona, Elizabeth T. Salazar

“…Soils under Berberis exhibited greater SOC losses, likely due to its larger biomass that intensified the combustion effects. The decrease in SOC resulted in soil compaction. …”
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Characteristics of Stratum Structure and Fracture Evolution in Stratified Mining of Shallow Buried High-Gas-Thick Coal Seam by Similarity Simulation by Qin Guangpeng, Cao Jing, Wang Chao, Wu Shuo, Zhai Minghua

“…The main coal seam thickness of Rujigou Coal Mine exceeds 20 m, due to the high gas content of the coal seam, it is prone to spontaneous combustion, and the stratified mining method is adopted. …”
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Characterizing PM2.5 Secondary Aerosols via a Fusion Strategy of Two-stage Positive Matrix Factorization and Robust Regression by Chun-Sheng Huang, Ho-Tang Liao, Chia-Yang Chen, Li-Hao Young, Ta-Chih Hsiao, Tsung-I Chou, Jyun-Min Chang, Kuan-Lin Lai, Chang-Fu Wu

“…The results from the fusion model showed that the majority of secondary aerosols (sum of secondary aerosol-related species = 2.67 µg m−3) within three hours were mainly contributed by oil combustion, while the largest contributor of secondary aerosols (1.65 µg m−3) over 24 hours was industry, highlighting the need for regulation of these two sources based on various temporal scales. …”
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