Suggested Topics within your search.
Showing 5,541 - 5,560 results of 7,703 for search '"carbon"', query time: 0.12s Refine Results
  1. 5541

    Assessment of forest soil contamination by heavy metals in the Polish National Park near Warsaw by Aneta Łukaszek-Chmielewska, Joanna Rakowska, Marzena Rachwał, Olga Stawarz

    Published 2025-02-01
    “…The content of the cadmium, lead, manganese and chromium (using atomic emission spectroscopy with induction-coupled plasma), as well as granulometric composition, pH value and nitrogen and total carbon content, were conducted on soil samples taken from the surface layer (0–10 cm) in the protected area of the Kampinos National Park in Poland. …”
    Get full text
    Article
  2. 5542

    Potential Functions and Thermodynamic Properties of UC, UN, and UH by Shuang-Ling Tang, Yu Wang, Qi-Ying Xia, Xue-Hai Ju

    Published 2020-01-01
    “…Potential energy surface scanning for UC, UN, and UH was performed by configuration interaction (CI), coupled cluster singles and doubles (CCSD) excitation, quadratic configuration interaction (QCISD (T)), and density functional theory PBE1 (DFT-PBE1) methods in coupling with the ECP80MWB_AVQZ + 2f basis set for uranium and 6 − 311 + G∗ for carbon, hydrogen, and nitrogen. The dissociation energies of UC, UN, and UH are 5.7960, 4.5077, and 2.6999 eV at the QCISD (T) levels, respectively. …”
    Get full text
    Article
  3. 5543

    Paleohydrology based on sedimentology on Dasht e Arzhan basin SW Iran by zahra sadat Hoseini, shahriar khaledi, Abdolmajid Naderi Bani

    Published 2018-03-01
    “…Finally four samples of pace of plant were selected and have been dated in carbon 14 dating laboratory of Poznan, Poland, and calibrated trough of core based on Calib rev. 7.1. …”
    Get full text
    Article
  4. 5544

    Humus of reclaimed Cu post-flotation tailings Humus content and composition of soil from reclaimed Cu post-flotation tailings (Bor, Serbia) by Lilić Jasmina, Gajić-Kvaščev Maja, Dugonjić Mladen, Radmanović Svjetlana

    Published 2024-01-01
    “…The humus composition was assessed on the basis of the ratio of humic acids to fulvic acids (Ch/Cf), the ratio of humic acids to total organic carbon (C) (Ch/C) and the ratio of fulvic acids to total organic C (Cf/C). …”
    Get full text
    Article
  5. 5545

    Review of Reforming Processes for the Production of Green Hydrogen from Landfill Gas by Dhruv Singh, Piero Sirini, Lidia Lombardi

    Published 2024-12-01
    “…The growing challenges of climate change, the depletion of fossil fuel reserves, and the urgent need for carbon-neutral energy solutions have intensified the focus on renewable energy. …”
    Get full text
    Article
  6. 5546

    Structural Design of Hybrid Fillers in a Polymer Matrix for Advanced Electromagnetic Interference Shielding by Uiseok Hwang, Jinwoo Lee, Seunghyun Kim, Xin Yang, Soochan Kim, Jonghwan Suhr, Jae‐Do Nam

    Published 2025-02-01
    “…Herein, a multifunctional polyamide‐6 composite is introduced using a carbon‐fiber flame‐retardant hybrid filler to design a next‐generation electromagnetic interference (EMI) shielding system. …”
    Get full text
    Article
  7. 5547

    Safety Enhancements for PHWRs Based on Macroscopic Losses of the Fukushima Accident by Sang Ho Kim, Tsuneo Futami, Soon Heung Chang, Yong Hoon Jeong

    Published 2015-01-01
    “…The role of nuclear energy is to supply electric power on a stable basis to meet increasing demands, reduce carbon dioxide emissions, and maintain stable electric power costs while ensuring safety. …”
    Get full text
    Article
  8. 5548

    Synthesis, Characterisation, Theoretical NMR Calculations and Crystal Structure of the 3-methyl-1H-1,2,4?4-triazole-5-amine acetate by Patricia Saraiva Vilas Boas Almeida, José Roberto da Silveira Maia, Márcia Cristina de Souza, Alison Geraldo Pacheco

    Published 2022-09-01
    “…To investigate the formation of possible tautomeric conformations of mta, pta and mpta in solution, a theoretical approach was used to calculate the chemical shifts of carbon 13, based on the values of magnetic shielding tensor (NMR) by MPn and DFT methods. …”
    Get full text
    Article
  9. 5549

    Strategic Approaches to Define the Production Rate in Conceptual Projects of Critical Raw Materials by Lucas Zucchi Silva, Anna Luiza Marques Ayres da Silva

    Published 2025-01-01
    “…Copper and zinc are crucial for renewable energy systems and low-carbon technologies, while lead supports energy storage applications. …”
    Get full text
    Article
  10. 5550

    Schottky‐barrier graphene nanoribbon field‐effect transistors‐based field‐programmable gate array's configurable logic block and routing switch by Sayed Ali Seif Kashani, Hossein Karimiyan Alidash, Sandeep Miryala

    Published 2017-11-01
    “…Researches on post‐Si materials have proved that carbon could be one of the material which can replaced with Si. …”
    Get full text
    Article
  11. 5551

    Brittle crack propagation acceleration in a single crystal of a 3% silicon-Fe alloy by Tomoya Kawbata, Noritaka Nakamura, Shuji Aihara

    Published 2018-12-01
    “…Brittle fracture in carbon steel has a serious impact on the safety of steel structures. …”
    Get full text
    Article
  12. 5552

    Potential for biogas production from the anaerobic digestion of chicken droppings in Morocco by Ouahid Elasri, Mohamed El Amin Afilal

    Published 2024-01-01
    “…After pretreatment (heating and grinding), this waste produced a large quantity of biogas, on the order 230,58 ml/gCOD, equivalent to 64.4 m3 for one ton of fresh waste, with 60.2 % methane, 38.8 % carbon dioxide and 0 % hydrogen. This biogas production has a lower heating value of 385 kWh for one ton of chicken droppings. …”
    Get full text
    Article
  13. 5553

    Diversity of 4-Chloro-2-nitrophenol-Degrading Bacteria in a Waste Water Sample by Pankaj Kumar Arora, Alok Srivastava, Vijay Pal Singh

    Published 2016-01-01
    “…Eighteen bacterial strains, isolated from a waste water sample collected from a chemically contaminated site, Patancheru (17°32′N 78°16′E/17.53°N 78.27°E), India, were able to decolorize 4-chloro-2-nitrophenol (4C2NP) in the presence of an additional carbon source. These eighteen 4C2NP-decolorizing strains have been identified as members of four different genera, including Bacillus, Paenibacillus, Pseudomonas, and Leuconostoc based on the 16S rRNA gene sequencing and phylogenetic analysis. …”
    Get full text
    Article
  14. 5554

    Quality of Wood and Charcoal from Eucalyptus Clones for Ironmaster Use by Bárbara Luísa Corradi Pereira, Aylson Costa Oliveira, Ana Márcia Macedo Ladeira Carvalho, Angélica de Cássia Oliveira Carneiro, Larissa Carvalho Santos, Benedito Rocha Vital

    Published 2012-01-01
    “…Basic density, chemical composition, and higher heating value were determined. Carbonizations in a laboratory kiln were done and the levels of volatile matter, ash, and fixed carbon, higher heating value, and bulk density of the charcoal produced were determined. …”
    Get full text
    Article
  15. 5555

    In Silico Analysis on the Interaction of Haloacid Dehalogenase from Bacillus cereus IndB1 with 2-Chloroalkanoic Acid Substrates by Enny Ratnaningsih, Saepulloh Saepulloh

    Published 2022-01-01
    “…This research proved that computational studies could be used to figure out the effect of substrates enantiomer and length of carbon skeleton to Bcfd1 affinity toward 2-chloroalkanoic acids.…”
    Get full text
    Article
  16. 5556

    Probing Electronic Coherence between Core-Level Vacancies at Different Atomic Sites by Jun Wang, Taran Driver, Paris L. Franz, Přemysl Kolorenč, Emily Thierstein, River R. Robles, Erik Isele, Zhaoheng Guo, David Cesar, Oliver Alexander, Sandra Beauvarlet, Kurtis Borne, Xinxin Cheng, Louis F. DiMauro, Joseph Duris, James M. Glownia, Martin Graßl, Paul Hockett, Matthias Hoffman, Andrei Kamalov, Kirk A. Larsen, Siqi Li, Xiang Li, Ming-Fu Lin, Razib Obaid, Philipp Rosenberger, Peter Walter, Thomas J. A. Wolf, Jon P. Marangos, Matthias F. Kling, Philip H. Bucksbaum, Agostino Marinelli, James P. Cryan

    Published 2025-01-01
    “…Here we report on the coherent motion of electrons in the 1,1-difluoroethylene ion following ionization of the K shell of the two nonequivalent carbon sites with a subfemtosecond x-ray pulse. Using the angular streaking technique to track the Auger-Meitner decay, we observe temporal modulations of the emission, indicating the electronic coherence of the core-excited ionic states, and extract a 6.5±0.8  fs average lifetime of the core-level vacancies. …”
    Get full text
    Article
  17. 5557

    Plant Adaptability to Improved Dredged Sediment by Shoulong Zhang, Rixiong Mo, Haorong Shi, Yuanzhen Li, Yaoyao Zhou, Chenhao Wang, Guanlong Yu

    Published 2025-01-01
    “…Traditional dredged sludge disposal methods are characterized by low resource utilization and high carbon emissions, leading to serious environmental pollution. …”
    Get full text
    Article
  18. 5558

    Optimization of phenol biodegradation by efficient bacteria isolated from petrochemical effluents by M. Shahriari Moghadam, N. Safaei, G.H. Ebrahimipour

    Published 2016-05-01
    “…In a nutshell, the results revealed thatphenol efficiently consumed by NS1 as the sole carbon source. Obviously, the isolate strain may be seen as an important tool in the bioremediation of wastewater effluent, petrochemical complex.…”
    Get full text
    Article
  19. 5559

    Olericulture No-Till System at Mountain Region: Physical and Biological Attributes of the Soil by Laura Vaillant Ribeiro Mauri, Eduardo de Sá Mendonça, Lenita Julia Bolzan, Maria da Penha Angeletti

    Published 2024-01-01
    “…Physical and organic matter attributes and carbon (C) and nitrogen (N) stock were evaluated. …”
    Get full text
    Article
  20. 5560

    Investigation of the Performance of Aucore-Pdshell/C as the Anode Catalyst of Direct Borohydride-Hydrogen Peroxide Fuel Cell by Hong Wang, Ying Wang, Xianyou Wang, Peiying He, Lanhua Yi, Wei Yi, Xue Liu

    Published 2011-01-01
    “…The carbon-supported bimetallic Au-Pd catalyst with core-shell structure is prepared by successive reduction method. …”
    Get full text
    Article