Search alternatives:
factor » factors (Expand Search)
Showing 661 - 680 results of 17,248 for search 'issues factor', query time: 0.19s Refine Results
  1. 661
  2. 662
  3. 663
  4. 664
  5. 665
  6. 666
  7. 667

    Research progress,key scientific issues,and prospects of segmented fracturing and pressure relief gas drainage technology for coal seam roof horizontal wells by Ke YANG, Zhainan ZHANG, Xinzhu HUA, Wenjie LIU, Xin LYU, Xiaolou CHI, Changcheng WANG, Caiqing LI

    Published 2025-02-01
    “…The segmented fracturing and pressure relief gas drainage technology in the horizontal well of the coal seam roof is a key means to guide the efficient gas extraction in deep, high gas, soft and low permeability coal seams.Based on this, a full lifecycle development concept for the segmented fracturing, pressure relief,and gas drainage engineering of the coal seam roof horizontal well is proposed, including three stages: early scientific planning, mid-term engineering construction, and later safety management.This paper summarizes the research progress on the full life cycle development of segmented fracturing and pressure relief gas drainage in coal seam roof horizontal wells, constructs an overall research framework for key scientific issues related to segmented fracturing and pressure relief gas drainage in coal seam roof horizontal wells, and looks forward to its future development direction.The results show that the expansion of segmented fracturing cracks in the horizontal well of the coal seam roof is extremely complex due to geological factors, construction parameters, and physical properties.It is urgent to comprehensively evaluate the primary and secondary relationships under the influence of multiple factors in crack expansion, and reveal the mechanism of coal seam roof fracturing crack expansion under the influence of multiple factors.Exploring the critical relationship between the coupling of stress, water, temperature, and coal factors on the promotion and inhibition of coalbed methane adsorption, desorption, and migration, and establishing an optimal model for coalbed methane adsorption and desorption under multiple critical indicators, is the key to achieving efficient coalbed methane extraction. …”
    Get full text
    Article
  8. 668
  9. 669
  10. 670

    Empowering Fuel Cell Electric Vehicles Towards Sustainable Transportation: An Analytical Assessment, Emerging Energy Management, Key Issues, and Future Research Opportunities by Tuhibur Rahman, Md. Sazal Miah, Tahia F. Karim, Molla Shahadat Hossain Lipu, Abu M. Fuad, Zia Ul Islam, M. M. Naushad Ali, Mohammed Nazmus Shakib, Shafrida Sahrani, Mahidur R. Sarker

    Published 2024-10-01
    “…In this context, a comprehensive analytical assessment is conducted to examine several factors, including research trends, types of publications, citation analysis, keyword occurrences, collaborations, influential authors, and the countries conducting research in this area. …”
    Get full text
    Article
  11. 671
  12. 672
  13. 673

    CHRONIC CERVICITIS AS A RISK FACTOR FOR CERVICAL CANCER (CLINICAL CASE) by Лариса Юрьевна Меховская, Светлана Ивановна Елгина, Елена Владимировна Рудаева, Кира Борисовна Мозес

    Published 2025-02-01
    “…It is known that the violation of the morphofunctional properties of tissues due to inflammatory processes in a chronic course is an important factor in the development of neoplasia. However, this issue remains unresolved, since many authors focus on recognizing only the main role of HPV oncogenic types in the pathogenesis of dysplasia and cervical cancer and refute reports of the involvement of bacterial and other viral infections in the development of neoplastic processes of the cervix. …”
    Get full text
    Article
  14. 674

    Analysis and modeling of factor determinants of food provision at consumer market of Ukraine by O. Panukhnyk, N. Popadynets, Y. Fedotova

    Published 2019-08-01
    “…The present study investigates the socio-economic nature of the issue of food provision in the consumer market of Ukraine. …”
    Get full text
    Article
  15. 675

    Prevention of neutropenia as an important factor in successful chemotherapy for head and neck cancer by L. G. Babicheva, S. O. Podvyaznikov

    Published 2021-11-01
    “…Synthetic granulocyte colony-stimulating factors can be used to address this issue.Among patients with head and neck tumors, the most vulnerable population includes individuals receiving TPF or DCF regimen or chemoradiotherapy. …”
    Get full text
    Article
  16. 676

    Modelling the Impacts of Government Subsidies on Total Factor Productivity: An Empirical Study by Huixiang Wu, Zhi Chen, Hua Chen, Jingjing Jiang

    Published 2022-01-01
    “…Marine industry continues to grow rapidly in China, while the contribution of the total factor productivity (TFP) to its gross output still remains very limited. …”
    Get full text
    Article
  17. 677

    Retirement as a Factor of Treatment Adherence in Patients with Chronic Back Pain by A. V. Kotelnikova, A. S. Tikhonova, O. S. Shalina, A. A. Grigorieva

    Published 2025-05-01
    “…Back pain is a major medical and social issue. It degrades the quality of life, as well as affects the psyche, emotions, and volition, thus preventing full social integration. …”
    Get full text
    Article
  18. 678

    Neuroplasticity and tinnitus: the role of Brain-Derived Neurotrophic Factor in pathogenesis and treatment by Vincenzo Miranda, Sara Castiglioni, Jeanette A. Maier

    Published 2025-07-01
    “…As a significant individual and societal issue, preclinical and clinical studies have been conducted to investigate this condition and explore potential therapeutic approaches. …”
    Get full text
    Article
  19. 679
  20. 680