Showing 261 - 280 results of 493 for search '"methane"', query time: 0.08s Refine Results
  1. 261

    Heat moisture treatment-induced changes in feed: A meta-analysis of effects on in vitro rumen fermentation by Rahmadani Mardiah, Susanto Irwan, Fidriyanto Rusli, Jayanegara Anuraga

    Published 2025-01-01
    “…This meta-analysis evaluates the impact of HMT on feed, focusing on fermentation characteristics and methane emissions. Data from the Scopus database were analyzed using a fixed-effect model, suitable for synthesizing studies with comparable conditions. …”
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    Article
  2. 262

    Optimization of Indirect Fracturing Process Parameters Based on Mechanical Properties of Fractured and Low-Permeability Coal by Wenfeng Yuan, Xigui Zheng, Niaz Muhammad Shahani

    Published 2022-01-01
    “…The coal-bed methane (CBM) resources in soft and low-permeability coals are assumed to be as much as 15 × 1012 m3 in China. …”
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    Article
  3. 263

    Trace Measurements of Ethylene Oxide Using Cavity-enhanced Absorption Spectrometry near 3066 cm−1 by Manish Gupta, Andrew P. Chan, Michael N. Sullivan, Rupal M. Gupta

    Published 2022-07-01
    “…A methane standard is used to determine the cavity gain factor, and the EtO absorbance spectrum is empirically determined. …”
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    Article
  4. 264

    Molecular Dynamics Simulation of CO<sub>2</sub>-ECBM Under Different Moisture Contents by Xiaoyu Cheng, Xuanping Gong, Cheng Cheng, Quangui Li, Ziqiang Li

    Published 2025-01-01
    “…The interactions among water molecules, coal beds, and gases during the process of coal bed methane mining are highly complex. The water and methane (CH<sub>4</sub>)/carbon dioxide (CO<sub>2</sub>) molecules compete for adsorption and undergo a series of reactions that affect gas diffusion. …”
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    Article
  5. 265

    Investigation of the Ultrasonic Stimulation Performance on Permeability Enhancement in Coal Seam: Field Tests and In Situ Permeability Evaluation by Jinbiao Fei, Peng Liu, LongKang Wang, Fangxiang Zhong, Chenglong Xie, Yongdong Jiang, Quangui Li, Mingyang Liu

    Published 2022-01-01
    “…Power ultrasonic-assisted reservoir modification is a promising technique for enhanced coalbed methane recovery. However, the in-site performance of ultrasound-assisted CBM production has not yet been revealed. …”
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    Article
  6. 266

    Simulation Experiment Study on Impacting the δD Value of Aromatic Compounds by Yi Duan, Yingzhong Wu, Lantian Xing, Yingqin Wu, Yang Zhao, Zhongping Li, Lanhua Ma

    Published 2023-01-01
    “…The thermodynamic fractionation of hydrogen isotopes between the PAHs produced by pyrolysis and both the n-alkanes and methane produced by pyrolysis indicated that the hydrogen isotopic value of the PAHs was higher than that of the n-alkanes or methane. …”
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  7. 267

    Determination of metallization degree of pre-reduced chromite with image and rietveld analysis by Leino T., Taskinen P., Eric R.H.

    Published 2020-01-01
    “…The chromite samples were reduced in the solid state by methane-hydrogen gas mixtures. First method was image analysis of micrographs obtained by scanning electron microscope where heavier metallic phases appeared as bright white areas which were relatively easy to segment using a thresholding algorithm. …”
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    Article
  8. 268
  9. 269

    Characteristics of In Situ Stress and Reservoir Pressure in Deep Coal Seams and Their Influences on Reservoir Depletion: A Field Case Study by Rui Li, Yiyu Lu, Binwei Xia, Wenwen Chen, Hansen Sun

    Published 2023-01-01
    “…The production of coalbed methane resources is greatly dependent on the reservoir depletion process. …”
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    Article
  10. 270

    Preliminary Study on the Impact of Ruminal Ciliate Inoculation in Fauna-Free Conditions on the Ruminal Fermentation and Ciliate–Prokaryote Association In Vitro by Geonwoo Kim, Woohyung Lee, Tansol Park

    Published 2025-01-01
    “…Among them, ruminal ciliates significantly influence ruminal fermentation, methane production, nitrogen utilization efficiency, and microbial interactions. …”
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    Article
  11. 271

    Control of regulated and unregulated emissions of an automotive spark ignition engine with alternative fuels (methanol, ethanol and hydrogen) by Akshey Marwaha, K.A. Subramanian

    Published 2025-03-01
    “…The experimental results indicate that the acetylene, propene, methane, and hydrogen cyanide emissions were reduced to zero levels with methanol. …”
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    Article
  12. 272
  13. 273

    Design and Fabrication of a Plastic Biogas Digester for the Production of Biogas from Cow Dung by KeChrist Obileke, Sampson Mamphweli, Edson L. Meyer, Golden Makaka, Nwabunwanne Nwokolo

    Published 2020-01-01
    “…In addition, the percentage concentration of methane and carbon dioxide were found to be 60% and 30%, respectively. …”
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    Article
  14. 274

    PRODUCTION OF THE PROFILED NICKEL CATHODE FALLOUT MICRO-ALLOYED BY SULFUR by L. V. Rybinskaja, A. N. Zadiranov, V. A. Brukvin

    Published 2017-01-01
    “…The high efficiency of application of electrolytes of new generation on the basis of methane-sulfonic acid and nickel acetate at production of profiled cathode sediments is shown.…”
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  15. 275
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  17. 277

    A Comprehensive Review of the Usefulness of Prebiotics, Probiotics, and Postbiotics in the Diagnosis and Treatment of Small Intestine Bacterial Overgrowth by Adrian Martyniak, Magdalena Wójcicka, Iwona Rogatko, Tomasz Piskorz, Przemysław J. Tomasik

    Published 2025-01-01
    “…The most commonly used method is a breath test, which enables the division of SIBO into the following three types: hydrogen-dominant (H-SIBO), methane-dominant (CH<sub>4</sub>-SIBO), and hydrogen/methane-dominant (H/CH<sub>4</sub>-SIBO). …”
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  18. 278

    Anaerobic Co-digestion of Palm Oil Sludge, Cassava Peels, Cow Dung and Ground Eggshells: Process Optimization and Biogas Generation by D. O. Olukanni, M. J. Kamlenga, C. N. Ojukwu and T. Mkandawire

    Published 2024-12-01
    “…The biogas produced after a hydraulic retention time (HRT) of over 20 days had the highest methane concentration of 60%, while days under 10 HRT had the lowest methane content of 45.5%. …”
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  19. 279

    Yeti claws: Cheliped sexual dimorphism and symmetry in deep-sea yeti crabs (Kiwaidae). by Christopher Nicolai Roterman, Molly McArthur, Cecilia Laverty Baralle, Leigh Marsh, Jon T Copley

    Published 2025-01-01
    “…Yeti crabs (Kiwaidae) are deep-sea hydrothermal vent and methane seep dwelling crustaceans that farm chemosynthetic microbes on their bodies. …”
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  20. 280

    A Gas Seepage Modeling Study for Mitigating Gas Accumulation Risk in Upper Protective Coal Seam Mining Process by Cun Zhang, Lei Zhang, Mingxue Li, Chen Wang

    Published 2018-01-01
    “…During the PCSM process, the phenomenon of methane concentration exceeding the limit usually occurs in the working face. …”
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    Article