Article
Environmental Sciences
Huanxin Zhang, Shiliang Wu, Eric M. Leibensperger
Summary: The study focuses on understanding the source-receptor relationships for mercury deposition in the context of global change using a global 3-D chemical transport model. It finds that under different emission scenarios, the relative contributions from anthropogenic emissions to total mercury deposition in different regions show significant changes, while impacts from changes in climate and land use/land cover are generally smaller in magnitudes but show stronger spatial variations.
ATMOSPHERIC ENVIRONMENT
(2021)
Article
Geosciences, Multidisciplinary
Yaxin Cao, Longyi Shao, Tim Jones, Marcos L. S. Oliveira, Shuoyi Ge, Xiaolei Feng, Luis F. O. Silva, Kelly BeruBe
Summary: COVID-19 pandemic has brought aerosol transmission as a significant research topic, with two main routes of human-exhaled aerosol transmission and ambient aerosol transmission. Lockdown measures have led to a significant decrease in atmospheric pollution, reducing aerosol pollution levels.
Article
Environmental Sciences
P. G. Simmonds, P. I. Palmer, M. Rigby, A. McCulloch, S. O'Doherty, A. J. Manning
Summary: Atmospheric tracers are essential for characterizing dispersion and testing computational models of atmospheric transport. They help infer geographical surface flux distributions and are crucial for robust flux estimates, relying on well-validated knowledge of atmospheric chemistry, loss processes, and transport. The use of atmospheric trace gas measurements is increasingly important in improving national and global greenhouse gas emission budgets in the context of the Paris Agreement.
ATMOSPHERIC ENVIRONMENT
(2021)
Article
Environmental Sciences
Li-wen Zheng, Wei-dong Zhai
Summary: Through analysis of survey datasets, it was found that the Bohai and Yellow seas exhibit variations in marine and non-marine nitrogen, as well as N* levels. The study emphasizes the impact of atmospheric nitrogen deposition, current inputs, and riverine inputs on coastal eutrophication.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Geosciences, Multidisciplinary
Gaige Hunter Kerr, Darryn W. Waugh, Scot M. Miller
Summary: This study investigates the impact of the upper-level jet stream on surface-level trace gas variability using idealized tracers within a chemical transport model. Results show a strong correlation between the position of the jet stream and the daily variability of the tracers, with variations in the north-south wind and latitudinal tracer gradient playing key roles in predicting the phase relationship between the jet stream and tracers. These findings provide valuable insight into understanding changes in trace gas variability under potential shifts in the jet stream's position or major emission sources in the future.
GEOPHYSICAL RESEARCH LETTERS
(2021)
Article
Engineering, Environmental
Jochen Bundschuh, Nabeel Khan Niazi, Mohammad Ayaz Alam, Michael Berg, Indika Herath, Barbara Tomaszewska, Jyoti Prakash Maity, Yong Sik Ok
Summary: Arsenic contamination is a significant global issue, with exposure through food imports and exports posing potential risks worldwide. Despite not being explicitly recognized as a right in international declarations and goals, addressing arsenic contamination is crucial for achieving human rights, sustainable development goals, and global priorities. Establishing an international platform for sharing knowledge and resources can help mitigate arsenic contamination and contribute to global economic development and human health.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Environmental Sciences
W. Steven Rosenthal, Paul W. Eslinger, Brian T. Schrom, Harry S. Miley, Doug J. Baxter, Jerome D. Fast
Summary: A high-performance surrogate model is developed to accelerate the simulation of radionuclide transport. The model can efficiently predict the path of radionuclide particles and possible source fields, providing a basis for probabilistic source prediction and estimation of radionuclide background.
JOURNAL OF ENVIRONMENTAL RADIOACTIVITY
(2022)
Review
Environmental Sciences
Shaveta Padha, Rakesh Kumar, Anjali Dhar, Prabhakar Sharma
Summary: This review paper examines the sources, distribution, behavior, and ecological impact of microplastic pollution in mountain ecosystems. It identifies a knowledge gap in understanding the pathways of microplastics in mountainous areas and the assessment of plastic polymers, as well as the limited research on the ecological and biological risks posed by microplastics in remote mountains in relation to global climate change, biodiversity loss, and ecosystem services.
ENVIRONMENTAL RESEARCH
(2022)
Article
Meteorology & Atmospheric Sciences
Bin Guan, Duane E. Waliser, F. Martin Ralph
Summary: Atmospheric rivers (ARs) are narrow corridors of enhanced water vapor transport that play important roles in the global water cycle. The AR scale helps evaluate and communicate the global influences of ARs, with AR event count inversely related to AR rank and peaking in midlatitude oceans. As precipitation intensity increases, ARs account for a larger fraction of precipitation occurrences.
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
(2023)
Article
Geosciences, Multidisciplinary
Joseph P. Clark, Steven B. Feldstein, Sukyoung Lee
Summary: Trends in moist static energy transport were investigated using four reanalysis datasets from 1980 to 2018. The datasets showed agreement in eddy MSE transport trends and latitudinal structure of MSE trends, but varied widely in the trend of climatological zonal mean MSE flux. Further analysis revealed that dry static energy increases dominate MSE trends at all latitudes, contradicting the prediction of latent energy increases dominating in the tropics. This calls for further investigation of reanalysis MSE transport.
GEOPHYSICAL RESEARCH LETTERS
(2022)
Article
Environmental Sciences
Chibuike Chiedozie Ibebuchi, Cameron C. Lee
Summary: Global warming leads to changes in atmospheric thickness, which can be monitored and predicted through research. The study reveals a consistent positive trend in atmospheric layer thickness, but the magnitude varies regionally and seasonally. The impact of tropical and extra-tropical climate modes on these trends is also explored. Strong correlation is found between sea surface temperature changes in the Pacific warm pool region and global average thickness, indicating the significant role of oceanic-atmospheric interactions in driving global climate variations and extremes.
ENVIRONMENTAL RESEARCH LETTERS
(2023)
Review
Biotechnology & Applied Microbiology
Jitender Singh, Shubhashis Das, Kapuganti Jagadis Gupta, Aashish Ranjan, Christine H. Foyer, Jitendra Kumar Thakur
Summary: The SWEET family of transporters in plants is a novel class of sugar carriers that can transport sugars, sugar alcohols, and hormones. They play important roles in intercellular sugar transport and influence various physiological processes. SWEETs regulate the development of sink organs, respond to abiotic stresses, and affect host-pathogen interactions.
PLANT BIOTECHNOLOGY JOURNAL
(2023)
Article
Meteorology & Atmospheric Sciences
Pengfei Zhang, Gang Chen, Weiming Ma, Yi Ming, Zheng Wu
Summary: Idealized and comprehensive climate models have shown that with global warming, atmospheric rivers undergo significant changes, including expansion in size, intensified moisture transport upon landfall, increased frequency, and a poleward shift in frequency maximum latitude. The thermodynamic effect, particularly an increase in water vapor, plays a dominant role in these changes, while both dynamic and thermodynamic effects contribute to the poleward shift in frequency.
JOURNAL OF CLIMATE
(2021)
Article
Environmental Sciences
Chengkai Qu, Benedetto De Vivo, Stefano Albanese, Alberto Fortelli, Nicola Scafetta, Jiji Li, Dave Hope, Pellegrino Cerino, Antonio Pizzolante, Shihua Qi, Annamaria Lima
Summary: This study investigated the atmospheric spatial variations of persistent organic pollutants (POPs) in the Campania region of Italy, revealing hotspots of POP contamination in the Naples metropolitan area. Specific problematic areas in the NMA were identified, showing serious POP pollution. Results suggest that large sample sizes are advantageous for identifying POP sources and achieving geospatial visualization of POP concentration and risk assessment levels.
ENVIRONMENTAL POLLUTION
(2021)
Article
Environmental Sciences
Filip Pawlak, Krystyna Koziol, Marcin Frankowski, Lukasz Nowicki, Christelle Marlin, Anna Maria Sulej-Suchomska, Zaneta Polkowska
Summary: In this study, the researchers investigated whether sea spray can act as a secondary source of chlorinated persistent organic pollutants (POPs) in the terrestrial Arctic. They analyzed polychlorinated biphenyls and organochlorine pesticides concentrations in fresh snow and seawater samples, and conducted isotopic analysis to support their interpretations. The results show a significant correlation between POPs concentrations and proximity to the sea, suggesting that sea spray can indeed contribute to the presence of chlorinated POPs in the Arctic.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Operations Research & Management Science
Cui-Xia Li, Shi-Liang Wu
Summary: In this paper, a class of modulus-based matrix splitting iteration methods is proposed for solving the vertical linear complementarity problem (VLCP). The convergence properties of the proposed methods are discussed in depth. Numerical experiments confirm the efficiency of the proposed methods, showing that they are superior to the classical modulus-based matrix splitting iteration methods.
Article
Agricultural Engineering
Shaojun Ren, Shiliang Wu, Qihang Weng
Summary: Machine learning methods have shown a broad application prospect in biomass gasification modeling, but their physical interpretability is poor when relying on limited experimental data. In this study, a physics-informed neural network method (PINN) is developed to predict biomass gasification products, providing physically feasible predictions. The PINN models outperformed other machine learning methods in prediction capability and demonstrated better generalizability and scientific interpretability.
BIORESOURCE TECHNOLOGY
(2023)
Article
Mathematics, Applied
Liyan Pang, Shi-Liang Wu, Shigui Ruan
Summary: This paper investigates the long-time behavior of bounded solutions to a two-species time-periodic Lotka-Volterra reaction-diffusion system with strong competition. By transforming the system into a cooperative system on [0,1], it is shown that solutions converge to diverging periodic traveling fronts under certain conditions. Additionally, it is proved that solutions spread to 1 under certain conditions. Furthermore, it is demonstrated that if the two species are initially absent from the right half-line x > 0 and the slower one dominates the faster one on x < 0, solutions approach a propagating terrace with multiple invasion speeds.
CALCULUS OF VARIATIONS AND PARTIAL DIFFERENTIAL EQUATIONS
(2023)
Article
Green & Sustainable Science & Technology
Bo Zhang, Jiapeng Wang, Zhixiang Xu, Shiliang Wu, Rafael Luque, Huiyan Zhang
Summary: Hydrothermal carbonization is an effective method to treat sludge, but the high nitrogen content in the sludge hydrochar causes environmental pollution. This study used layered double oxides (LDO) catalysts to catalytically remove nitrogen during hydrothermal carbonization. The LDO catalysts significantly improved nitrogen removal, achieving more than 57.00% at 240 degrees C. Additionally, by adjusting the metal ratio of the catalysts, the acid-base sites could be modified to produce low nitrogen hydrochar.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Operations Research & Management Science
Shuang Yang, Shi-Liang Wu
Summary: In this paper, a modified Barzilai-Borwein algorithm is presented for solving the generalized absolute value equation Ax + B|x| = b. The global convergence of the proposed algorithm is discussed under appropriate conditions. Finally, numerical results demonstrate the feasibility and efficiency of the algorithm and surpass some existing algorithms, including the SOR-like algorithm, the GN algorithm, and the sign accord algorithm.
OPERATIONS RESEARCH LETTERS
(2023)
Article
Operations Research & Management Science
Shi-Liang Wu
Summary: This paper studies the convergence property of the new modulus-based matrix splitting (NMMS) method for linear complementarity problem of H+-matrix. A new sufficient condition of the NMMS method is obtained, which is weaker than the result in the previous work by Wu and Li (Opt Lett 16:1427-1443, 2022).
OPTIMIZATION LETTERS
(2023)
Article
Chemistry, Multidisciplinary
Seenu Ravi, Jinwoo Kim, Yujin Choi, Hyug Hee Han, Shiliang Wu, Rui Xiao, Youn-Sang Bae
Summary: In this study, novel amine-anchored covalent triazine aromatic polymers (CTP-1-NH2 and CTP-2-NH2) were synthesized and exhibited high CO2 uptake and selectivity, outperforming previously reported COP materials. Metal-free CTP-1-NH2 with n-Bu4NBr showed high conversion and selectivity for epoxide under mild and solvent-free conditions. A plausible mechanism for CO2 cycloaddition over the CTP-1-NH2 catalyst is proposed. Incorporating amine functionalities into a nitrogen-rich structure could be a promising strategy for developing materials with simultaneous CO2 capture and conversion.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2023)
Article
Engineering, Environmental
Dongxu Cui, Shiliang Wu, Tao Li, Yuxin Zhang, Sang Jun Yoon, Youn-Sang Bae, Bugae Park, Yinlong Wu, Rui Xiao
Summary: A novel gas-solid phase fluidized bed catalytic electrode was proposed for N2O decomposition in a solid oxide fuel cell (SOFC) system. By using cerium oxide particles coated with lanthanum, strontium, and iron (CeO2-LSF) as the fluidized bed material, N2O conversion rate reached 99.78% at 720 degrees C. Assisting particle fluidization with argon led to a maximum improvement of 39.86% in peak power density at 670 degrees C compared to the fixed bed electrode. Furthermore, the maximum temperature difference inside the reactor decreased significantly from 92 degrees C to 42 degrees C when the cathode particles were fluidized.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Mathematics, Applied
Liyan Pang, Shi-Liang Wu
Summary: This paper investigates the time-periodic traveling waves of a periodic Lotka-Volterra competition system with nonlocal dispersal. The existence of periodic traveling fronts connecting stable semi-trivial periodic solutions is proved under the assumption of strong competition. The monotonicity and global exponential stability of smooth periodic traveling fronts are established by introducing new strong comparison theorems and constructing auxiliary monotone systems. The Liapunov stability of the periodic traveling fronts is also proven.
COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION
(2023)
Article
Electrochemistry
Xiaoyan Xu, Jianzhong Chen, Lifei Wang, Juan Zhao, Shiliang Wu, Yanyan Yin, Hongyun Li
Summary: Researchers used graphene quantum dots as fillers to enhance the ionic conductivity of poly(ethylene oxide) (PEO) solid electrolyte. The well-dispersed graphene quantum dots provided favorable conduction pathways and significantly improved the ionic conductivity. This study contributes to the improvement and application of polymer solid electrolyte in solid-state batteries.
JOURNAL OF SOLID STATE ELECTROCHEMISTRY
(2023)
Article
Operations Research & Management Science
Shi-Liang Wu, Wen Li, He-Hui Wang
Summary: In this paper, the perturbation analysis of the extended vertical linear complementarity problem (EVLCP) is discussed. Several absolute and relative perturbation bounds for EVLCP are derived under the assumption of the row W-property, which extends existing results. Numerical examples are provided to illustrate the proposed bounds.
JOURNAL OF THE OPERATIONS RESEARCH SOCIETY OF CHINA
(2023)
Article
Energy & Fuels
Xinchi Zhang, Shiliang Wu, Yuan Liu, Ziwei Wang, Huiyan Zhang, Rui Xiao
Summary: Rice husk-based activated carbon (RH-AC) was prepared using microwave and electrical dual-mode heating with the aid of zinc chloride. The RH-AC exhibited a specific surface area of 1719.32 m2/g and a total pore volume of 1.05 cm3/g. Its performance for Cr(VI) removal from aqueous solution was examined, and it showed the highest adsorption capacity of 56.82 mg/g at pH 3.0 and an equilibrium time of 90 min. Kinetic and isothermal models were applied to simulate the absorption mechanism, and reasonable agreements were obtained with the pseudo-second-order kinetic model and Langmuir, Freundlich, and Tempkin isothermal models. The adsorption process of Cr(VI) on RH-AC was found to be controlled by external mass transfer.
CARBON RESOURCES CONVERSION
(2023)
Article
Energy & Fuels
Jiajing Bao, Xingchi Zhang, Hongfei Bie, Rui Xiao, Andre L. Boehman, Shiliang Wu
Summary: In this study, the potential energy surfaces of the internal H-migration and alcohol elimination reactions of TPGME were calculated using a high-level computational method. Rate constants for these reactions were then obtained and a revised model was developed. The revised model improved the prediction accuracy and showed that TPGME has stronger low-temperature oxidation activity due to the presence of more available hydrogens and higher concentrations and rate of production of key low-temperature intermediate species.
Article
Mathematics, Applied
Cui-Xia Li, Shi-Liang Wu
Summary: This paper proposes a class of modulus-based matrix splitting methods for solving the complex linear complementarity problem (CLCP) by expressing it as equivalent absolute value equations. Sufficient conditions for the convergence of the proposed methods are provided, and numerical examples are presented to demonstrate their feasibility and efficiency.
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS
(2023)
Article
Chemistry, Physical
Zixiang Gao, Dewang Zeng, Shiliang Wu, Shaojun Ren, Fu Zhou, Ming Gao, Feng Song, Yunfei Zhai, Rui Xiao
Summary: This study proposes a novel method that converts real biomass pyrolysis vapors into H2 via a chemical looping process. The Fe-Al-Ni composite oxides exhibited high selectivity for CO2 and H2 purity when operated above 850 degrees C. Long cycling tests showed relatively stable H2 energy efficiency and purity.
SUSTAINABLE ENERGY & FUELS
(2023)