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  1. 9961
  2. 9962

    Refined Source Apportionment of Atmospheric PM2.5 in a Typical City in Northwest China by Yiting Wang, Yong Zhang, Xia Li, Junji Cao

    Published 2020-09-01
    “…The average annual PM2.5 mass was 67 µg m−3; loadings were high in winter and low in summer. Organic carbon (18.2%), nitrate (17.0%), and sulfate (13.1%) were the main chemical components of PM2.5. …”
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  3. 9963

    Study on the Effect of Polysulfide Content on the Micromorphology and Spontaneous Combustion Characteristics of Coal by Hai-Fei Yao

    Published 2021-01-01
    “…Under the same temperature condition of coal, carbon monoxide (CO) production basically occurred first as the sulfur content increased. …”
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  4. 9964

    Transformative Service Research and the role of service robots: a bibliometric analysis by Priscila Pasti Barbosa, Felipe Facco Mendes Ferreira, Larissa Cayla Cesário, Glauco Henrique de Souza Mendes

    Published 2025-01-01
    “…The analysis of several use cases of service robots in elderly care is carried out in the article to highlight the importance of using this service in cases of great importance, such as in cases of dementia. …”
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  5. 9965
  6. 9966

    Geogenic perspectives on potassium dynamics and plant uptake: insights from natural and submerged conditions across different soil types with machine learning predictions by Saibal Ghosh, Gourav Mondal, Shreya Chakraborty, Sonali Banerjee, Sumit Kumar, Riddhi Basu, Pradip Bhattacharyya

    Published 2025-01-01
    “…Black soil (S8) had the highest cation exchange capacity (CEC: 31.25 cmol (p+)/kg) and clay content (41.2%), while alluvial soil had the most organic carbon (S5: 1.74%). Submerged conditions enhanced potassium availability, with red soil showing the highest levels of water-soluble K (WsK), exchangeable K (ExK), and non-exchangeable K (NEK), particularly Step-K and constant rate K (CR-K) forms. …”
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  7. 9967

    Optimization Conditions of Extracellular Proteases Production from a Newly Isolated Streptomyces Pseudogrisiolus NRC-15 by El-Sayed E. Mostafa, Moataza M. Saad, Hassan M. Awad, Mohsen H. Selim, Helmy M. Hassan

    Published 2012-01-01
    “…The culture conditions for higher protease production by NRC-15 were optimized with respect to carbon and nitrogen sources, metal ions, pH and temperature. …”
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  8. 9968

    Catalytic Ozonation of Phenolic Wastewater: Identification and Toxicity of Intermediates by Mahdi Farzadkia, Yousef Dadban Shahamat, Simin Nasseri, Amir Hossein Mahvi, Mitra Gholami, Ali Shahryari

    Published 2014-01-01
    “…A new strategy in catalytic ozonation removal method for degradation and detoxification of phenol from industrial wastewater was investigated. Magnetic carbon nanocomposite, as a novel catalyst, was synthesized and then used in the catalytic ozonation process (COP) and the effects of operational conditions such as initial pH, reaction time, and initial concentration of phenol on the degradation efficiency and the toxicity assay have been investigated. …”
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  9. 9969
  10. 9970

    Effect of Multiple Injection Strategy Under High Ammonia Ratio on Combustion and Emissions of Liquid Ammonia/Diesel Dual DI Engine by Zhenbin Chen, Yudong Wan, Omar I. Awad, Zhiqiang Pan

    Published 2025-01-01
    “…Ammonia diesel dual fuel (ADDF) engine is one of the effective ways to reduce carbon emissions. This study investigated the effect of multiple injection strategy on the combustion and emission characteristics of liquid ammonia/diesel dual direct injection (DI) engines through numerical simulation. …”
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  11. 9971

    Influence of Solvents on the Electroactivity of PtAl/rGO Catalyst Inks and Anode in Direct Ethanol Fuel Cell by Thu Ha Thi Vu, Minh Dang Nguyen, Anh Tuan Ngoc Mai

    Published 2021-01-01
    “…The inks prepared by mixing PtAl/rGO catalyst, Nafion solution (5 wt%), and solvent were coated on carbon cloth by the spin coating method. The results obtained showed that ethanol was the most suitable solvent for the preparation of catalyst ink with a volume ratio between catalyst slurry and solvent of 1 : 1 (CI-EtOH (1/1) ink). …”
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  12. 9972
  13. 9973

    Removal of Polyvinyl Alcohol Using Photoelectrochemical Oxidation Processes Based on Hydrogen Peroxide Electrogeneration by Kai-Yu Huang, Chih-Ta Wang, Wei-Lung Chou, Chi-Min Shu

    Published 2013-01-01
    “…This study investigates the removal efficiency of PVA from aqueous solutions using UV irradiation in combination with the production of electrogenerated hydrogen peroxide (H2O2) at a polyacrylonitrile-based activated carbon fiber (ACF) cathode. Three cathode materials (i.e., platinum, graphite, and ACF) were fed with oxygen and used for the electrogeneration of H2O2. …”
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  14. 9974

    Concentration of viruses and electron microscopy by I. D. Petrova, B. N. Zaitsev, O. S. Taranov

    Published 2020-05-01
    “…The paper reviews studies on unique traps, magnetic beads, and composite polyaniline and carbon nanotubes, including those of changeable size to concentrate viral particles. …”
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  15. 9975

    O znanych i mniej znanych relacjach Leonharda Eulera z Polską by Roman Sznajder

    Published 2016-11-01
    “…Korespondencja Eulera z gdańskimi naukowcami i urzędnikami, w tym Carlem L. Ehlerem, Heinrichem Kühnem i Natanaelem M. von Wolfem zaczęła się już w połowie lat 30. …”
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  16. 9976

    Deal or no deal: U.S. homeowners’ willingness to pay for residential building retrofits by Zachary Berzolla, Ting Meng, Christoph Reinhart

    Published 2025-01-01
    “…With buildings accounting for nearly 40% of global carbon emissions, deep energy retrofits to reduce emissions in the majority of existing buildings are necessary to meet global climate goals. …”
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  17. 9977

    Supercritical Fluid Extraction of Quinones from Compost for Microbial Community Analysis by Ni Luh Gede Ratna Juliasih, Lee Chang Yuan, Yuki Sago, Yoichi Atsuta, Hiroyuki Daimon

    Published 2015-01-01
    “…The 0.3 g of dried compost was extracted using 3 mL min−1 of carbon dioxide (90%) and methanol (10%) at 45°C and 25 MPa for a 30 min extraction time. …”
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  18. 9978

    Effect of Acetone-n-Butanol-Ethanol (ABE) as an Oxygenate on Combustion, Performance, and Emission Characteristics of a Spark Ignition Engine by Gang Wu, Deng Wu, Yuelin Li, Lei Meng

    Published 2020-01-01
    “…In comparison with G100 under various engine loads and equivalence ratios, for the most part, ABE30 exhibits 1.4% higher brake thermal efficiency, 14% lower carbon monoxide, 9.7% lower unburned hydrocarbons, and 23.4% lower nitrogen oxides. …”
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  19. 9979

    Genesis of the Bairendaba Ag-Zn-Pb Deposit, Southern Great Xing’an Range, NE China: A Fluid Inclusion and Stable Isotope Study by Shunda Li, Keyong Wang, Yicun Wang, Xuebing Zhang, Hongyan Quan

    Published 2017-01-01
    “…Values of –15.9‰ to –12‰ (δ13CPDB) for hydrothermal quartz indicate that organic-rich strata were the source of carbon. Sulfur had a magmatic source, based on values of –0.1‰ to 1.5‰ (δ34SV-CDT) for sulfide minerals. …”
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  20. 9980

    Macroscopic perspective on phase transition behavior of natural single-crystal graphite under different pressure environments by Xiaoshuang Yin, Songyang Li, Lijuan Wang, Peiyuan Liu, Zhihai Cheng, Huiyang Gou, Liuxiang Yang

    Published 2025-01-01
    “…Our results provide a fresh perspective for studying the phase transition behavior of graphite and greatly deepen our understanding of this behavior, which will be helpful in guiding further high-temperature and high-pressure syntheses of carbon allotropes.…”
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