Showing 621 - 640 results of 654 for search '"methane"', query time: 0.06s Refine Results
  1. 621

    Life cycle greenhouse gas emissions of hydrogen imported by maritime transportation: A South Korean case study by Gyuna Kwak, Juha Lee, Yujin Jung, Wonjae Choi

    Published 2025-04-01
    “…This study compares five hydrogen production processes–coal gasification, natural gas steam methane reforming, grid electrolysis, renewable electrolysis, and nuclear electrolysis–and two hydrogen-import processes using liquid hydrogen and ammonia. …”
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  2. 622

    Effects of Different Technological Forms of the Perilla frutescens in the Diet on Ruminal Fermentation, Milk and Plasma Fatty Acid Composition, Ruminal Biohydrogenation and Milk Qu... by Selma Büyükkılıç Beyzi, İsmail Ülger, Emrah Kaya, Buğra Ocak, Yusuf Konca

    Published 2024-11-01
    “…Perilla oil supplementation in different forms to the diet did not affect ruminal pH, VFA and methane production. Perilla oil supplementation in different forms to the diet did not also affect the concentration of blood serum glucose, cholesterol and non‐esterified fatty acids. …”
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  3. 623

    The carbon footprint of pasture-based buffalo milk production in Colombia by Andrés F. Pérez, Felipe Vélez S., Juan F. Naranjo R.

    Published 2023-11-01
    “…These greenhouse gas emissions encompassed methane (CH4) from enteric fermentation and excretions left in paddocks, nitrous oxide (N 2 O) from excretions deposited on pastures and fertilizer application, and carbon dioxide (CO2 ) from lime and urea application, as well as the burning of fossil fuels. …”
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  4. 624

    Advanced perspective on heavily phosphorus-doped diamond layers via optical emission spectroscopy by Kil-dong Sung, Stefan Andrei Irimiciuc, Michal Novotný, Zdeněk Weiss, Pavel Hubík, Jaromír Kopeček, Martin Vondráček, Vincent Mortet

    Published 2025-01-01
    “…In this study, optical emission spectroscopy (OES) was used to correlate the emission intensity ratio of PH to CH radicals (IPH/ICH) with phosphorus concentration ([P]) in diamond layers synthesized under varying phosphine ([PH3]/[H2]) and methane ([CH4]/[H2]) concentrations using microwave plasma-enhanced chemical vapor deposition. …”
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  5. 625

    Concentrated Solar Power and Photovoltaic Systems: A New Approach to Boost Sustainable Energy for All (Se4all) in Rwanda by Noel Hagumimana, Jishi Zheng, Godwin Norense Osarumwense Asemota, Jean De Dieu Niyonteze, Walter Nsengiyumva, Aphrodis Nduwamungu, Samuel Bimenyimana

    Published 2021-01-01
    “…Although Rwanda has natural energy resources (e.g., hydro, solar, and methane gas, etc.), the country currently has an installed electricity generation capacity of only 226.7 MW from its 45 power plants for a population of about 13 million in 2021. …”
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  6. 626

    Low-Cost LoRa-Based System for Continuous GHGs Monitoring in Cattle: Enhancing Agricultural Sustainability by Boonyarit Kumkhet, Nisit Pukrongta, Noraset Wichaipanich, Pubet Sangmahamad, Tanaporn Pechrkool, Virote Pirajnanchai, Patchadaporn Sangpet, Utthapon Issara, Attaphongse Taparugssanagorn

    Published 2025-01-01
    “…This study introduces and validates a low-cost, LoRa based system for the continuous monitoring of methane (CH4) and carbon dioxide (CO2) emissions in cattle. …”
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  7. 627

    Influence of minor hydrocarbon seepage on sulfur cycling in marine subsurface sediments by E. Schnabel, A. Vuillemin, C. C. Laczny, B. J. Kunath, A. R. Soares, A. J. Probst, R. Di Primio, J. Kallmeyer

    Published 2025-02-01
    “…Metagenomic and metatranscriptomic data indicated metabolic potential and activity towards sulfate reduction and anaerobic oxidation of methane (AOM). Expression of functional marker genes (<i>aprAB</i>, <i>dsrAB</i>, <i>mcrA</i>) revealed metabolic activities by sulfate-reducing Desulfobacterota and methanotrophic ANME-1 archaea sustained by HC traces in the sediment. …”
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  8. 628

    Optomechanical energy enhanced BF-QEPAS for fast and sensitive gas sensing by Weilin Ye, Linfeng He, Weihao Liu, Zhile Yuan, Kaiyuan Zheng, Guolin Li

    Published 2025-02-01
    “…Experimental results using methane reveal a detection limit of 2.17 ppm with a rapid response time of 33 ms. …”
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  9. 629

    Seasonal carbon fluxes from vegetation and soil in a Mediterranean non-tidal salt marsh by L. Carrasco-Barea, D. Verdaguer, M. Gispert, X. D. Quintana, H. Bourhis, L. Llorens

    Published 2025-01-01
    “…Soil <span class="inline-formula">CO<sub>2</sub></span> and methane (<span class="inline-formula">CH<sub>4</sub></span>) fluxes from these habitats were also measured. …”
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  10. 630

    Degenerated vision, altered lipid metabolism, and expanded chemoreceptor repertoires enable Lindaspio polybranchiata to thrive in deep-sea cold seeps by Yujie Yan, Inge Seim, Yang Guo, Xupeng Chi, Zhaoshan Zhong, Dantong Wang, Mengna Li, Haining Wang, Huan Zhang, Minxiao Wang, Chaolun Li

    Published 2025-01-01
    “…Abstract Background Lindaspio polybranchiata, a member of the Spionidae family, has been reported at the Lingshui Cold Seep, where it formed a dense population around this nascent methane vent. We sequenced and assembled the genome of L. polybranchiata and performed comparative genomic analyses to investigate the genetic basis of adaptation to the deep sea. …”
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  11. 631

    Development of new powdery mildew resistant lines in garden pea (Pisum sativum L.) using induced mutagenesis and validation of resistance for the er1 and er2 gene through molecular... by Akhilesh Sharma, Devinder Kumar Banyal, Vinod Janardan Dhole, Bansuli, Ranbir Singh Rana, Rajesh Kumar, Prabhat Kumar, Nimit Kumar, Srishti, Arshia Prashar, Vivek Singh, Anoushka Sharma

    Published 2025-01-01
    “…The efforts were made to develop PM-resistant mutants of popular pea varieties “Lincoln” and “Azad P-1” through induced mutations by following gamma irradiation (300, 400, 500, and 600 Gy) and chemical mutagenesis, i.e., ethyl methane sulfonate (EMS) (0.3% and 0.4%). The screening of 13,868 M2 progenies at Kukumseri (summer season) followed by M3 generation at Palampur (winter season) resulted in the isolation of six putative PM-resistant mutants. …”
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  12. 632

    Formation of the Figge Maar Seafloor Crater During the 1964 B1 Blowout in the German North Sea by Jens Karstens, Jens Schneider von Deimling, Christian Berndt, Christoph Böttner, Michel Kühn, Benedict T. I. Reinardy, Axel Ehrhardt, Jonas Gros, Bettina Schramm, Dirk Klaeschen, Judith Elger, Matthias Haeckel, Mark Schmidt, Sven Heinrich, Philipp Müller, Frithjof Bense

    Published 2022-12-01
    “…Hydroacoustic and geochemical data indicate that the Figge Maar nowadays emits primarily biogenic methane, predominantly during low tide. The formation of Figge Maar illustrates hazards related to the formation of secondary fluid pathways, which can bypass safety measures at the wellhead and are thus difficult to control.…”
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  13. 633

    Utilization of biomass ash generated from combined heat and power generation system as a multi-nutrient source for crops by Tirthankar Mohanty, Subhaprada Dash, Priyabrata Pattanaik, Hara Prasada Tripathy, J.M.L. Gulati, Dilip Kumar Mishra, William Holderbaum

    Published 2025-01-01
    “…Thus, by integrating this method into modern agricultural production systems, it is possible to obtain plant health tonic and reducing landfill waste and methane emissions from decomposing organic matter and enhance soil health and agricultural productivity sustainably. …”
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  14. 634

    Building resilient cattle through better management of buffalo health by Alfredo Sánchez, Merilio Montero

    Published 2023-11-01
    “…The most effective way to stop it is to reduce methane, but it is not the only way. This refers to producing food through more sustainable, friendly models, less dependent on external inputs, with low energy consumption and reduced GHG emissions, but at the same time with better yields (productive and reproductive) and high efficiency. …”
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  15. 635

    Effects of converting cropland to grassland on greenhouse gas emissions from peat and organic-rich soils in temperate and boreal climates: a systematic review by Alena Holzknecht, Magnus Land, Jacynthe Dessureault-Rompré, Lars Elsgaard, Kristiina Lång, Örjan Berglund

    Published 2025-01-01
    “…No significant differences in carbon dioxide (CO2) or methane (CH4) emissions were found. Emissions of nitrous oxide (N2O) from grasslands were found to be 7.55 kg ha−1 y−1 lower than from cropland, however the sensitivity analysis showed that the difference was not robust, making it uncertain whether conversion from cropland to grassland has a significant effect on N2O emissions from organic soils. …”
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  16. 636

    Effect of practicing water-saving irrigation on greenhouse gas emissions and crop productivity: A global meta-analysis by Mingdong Tan, Ningbo Cui, Shouzheng Jiang, Liwen Xing, Shenglin Wen, Quanshan Liu, Weikang Li, Siwei Yan, Yaosheng Wang, Haochen Jin, Zhihui Wang

    Published 2025-03-01
    “…The results showed that WSI significantly alleviated the agricultural greenhouse effect by reducing carbon dioxide (CO2) emission (ln RR = −0.084, 95 %CI: −0.139 to −0.028) and methane (CH4) emissions (ln RR = −0.551, 95 %CI: −0.640 to −0.462). …”
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  17. 637

    Reductive acetogenesis is a dominant process in the ruminant hindgut by Qiushuang Li, Jiabin Huo, Gaofeng Ni, Fan Zhang, Shizhe Zhang, Xiumin Zhang, Rong Wang, Jinzhen Jiao, Zhongtang Yu, Xuanxuan Pu, Yipeng Yue, Emilio M. Ungerfeld, Xiaoli Zhang, Jian Wu, Zhiliang Tan, Chris Greening, Min Wang

    Published 2025-01-01
    “…Conclusions These findings highlight an enrichment of acetogenesis in a key region of the gastrointestinal tract and reshape our understanding of ruminant hydrogen metabolism and how the H2 can be managed in accord to livestock methane mitigation efforts. Video Abstract…”
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  18. 638

    Comment prendre en compte les mobilités saisonnières du bétail dans l’estimation de la charge animale d’un territoire sud-sahélien ? by Yanoussa Yakoubou Alzouma, Pierre Hiernaux, Mahamane Larwanou, Maguette Kaire, Issa Garba, Amadou Adamou Kalilou, Sambo Bode, Mahaman Maaouia Abdou Moussa, Harouna Abdou Bawa

    Published 2024-12-01
    “…Objectif : Notre étude visait à quantifier le cheptel présent au cours d’un cycle annuel sur le territoire de Dantchandou au Niger afin d’estimer les besoins en fourrages, les impacts sur les ressources disponibles, les flux de matière organique et les émissions de méthane entérique. Méthodes : Le cheptel communal a été dénombré sur une année par espèce, sexe et classe d’âge. …”
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  19. 639

    Synthesis, Characterization, and Cytotoxic Activity of New Lanthanum(III) Complexes of Bis-Coumarins

    Published 2006-01-01
    “…<p>Complexes of lanthanum(III) with bis-coumarins: 3,<mml:math alttext="$3'$"> <mml:msup> <mml:mn>3</mml:mn> <mml:mo>&#x2032;</mml:mo> </mml:msup> </mml:math>-benzylidene-bis(4-hydroxy-2H-1-benzopyran-2-one) (<mml:math alttext="$chem{H_{2}}$"> <mml:msub> <mml:mtext>H</mml:mtext> <mml:mn>2</mml:mn> </mml:msub> </mml:math>L1) and bis(4-hydroxy-2-oxo-2H-chromen-3-yl)-(1H-pyrazol-3-yl)-methane (<mml:math alttext="$chem{H_{2}}$"> <mml:msub> <mml:mtext>H</mml:mtext> <mml:mn>2</mml:mn> </mml:msub> </mml:math>L2) were synthesized by reaction of lanthanum(III) salt and the ligands, in amounts equal to metal : ligand molar ratio of <mml:math alttext="$1 : 2$"> <mml:mn>1</mml:mn><mml:mo>:</mml:mo><mml:mn>2</mml:mn> </mml:math>. …”
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  20. 640

    Fracture-seepage characteristic zones of the overburden of extra-thick coal seams: Evolutionary patterns and their engineering applications by Xiangguo KONG, Tianshuo ZHAO, Haifei LIN, Pengxiang ZHAO, Xu WANG, Yuchu CAI, Pengfei JI, Di HE, Ke LI, Chuanyu XU

    Published 2025-01-01
    “…The mining along the mining face yielded methane volume fractions of less than 1%, suggesting encouraging effects in the engineering practice. …”
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