Showing 2,441 - 2,460 results of 4,802 for search 'complex have problems', query time: 0.18s Refine Results
  1. 2441

    Research on muck conditioning for EPB shield tunnelling in composite formation by Yalong Jiang, Xin Tang, Bitang Zhu, Kai Zhou, Yucong Pan, Changjie Xu

    Published 2024-12-01
    “…With a high moisture content and complex composite formation ratio, it is quite difficult to determine the optimum muck conditioning scheme, and thus, muck spewing accidents frequently occur during the tunnelling process. …”
    Get full text
    Article
  2. 2442

    Physicochemical properties and biological activity of extracts of dried biomass of callus and suspension cells and in vitro root cultures by Yong Yang, Asyakina Lyudmila K., Babich Olga O., Dyshlyuk Lyubov S., Sukhikh Stanislav A., Popov Alexander D., Kostyushina Nina V.

    Published 2020-10-01
    “…Introduction. One of the urgent problems of medicine and biology is the use of plant objects as industrial producers of target metabolites in vitro. …”
    Get full text
    Article
  3. 2443

    DEVISING STRATEGIES FOR RECLAMATION OF DERELICT SITES DUE TO MINING OF RESIDUAL SOIL (“SAIBRO”) AT UBATUBA, NORTH COAST OF SÃO PAULO STATE, BRAZIL: THE VIEWS AND ROLES OF THE STAKE... by Cláudio José Ferreira, Paulo C. Fernandes da Silva, Sueli Ângelo Furlan, Maria José Brollo, Lídia Keiko Tominaga, Ricardo Vedovello, Antonio Carlos Moretti Guedes, Doneivan F. Ferreira, Antonio Sérgio Eduardo, José Maria Azevedo Sobrinho, Elisabete Aparecida Lopes, John Canning Cripps, Fabián Alberto Pérez, Gilmar Rodrigues da Rocha

    Published 2005-05-01
    “…However no land reclamation was undertaken until present. One of the main problems would be related with the procedures for mining and environmental licensing that were considered to be too complex and long (usually involving up to seven decisional instances and 2,5 years in average). …”
    Get full text
    Article
  4. 2444

    Bread Production and Bakery Products in Russia: Current State and Prospects by Kiryuhina A., Grigor'eva R., Kozhevnikova A.

    Published 2019-07-01
    “…The transformation of the Russian economy has led to a significant reduction in the production of bread and bakery products. The recent years have seen a groing competition between retail chains, mini-bakeries, and bakeries. …”
    Get full text
    Article
  5. 2445
  6. 2446
  7. 2447

    Similarity measure for intuitionistic fuzzy sets and its applications in pattern recognition and multimodal medical image fusion by Anjali Patel, Deepa Gupta, E. A. Gopalakrishnan, Divya Sasidharan, V. Sowmya, Mohammed Zakariah, Abdulaziz S. Almazyad

    Published 2025-07-01
    “…Abstract Intuitionistic fuzzy similarity measures (IFSMs) play a significant role in applications involving complex decision-making, pattern recognition, and image processing. …”
    Get full text
    Article
  8. 2448

    BEAUTY IN MATHEMATICAL EDUCATION: SYNERGETIC WORLDVIEW by V. A. Testov

    Published 2019-03-01
    “…The synergetrics as a general scientific theory about self-organisation of complex systems allows us to give another interpretation of beauty – as a kind of attractor, the result of self-organisation of nature or theflight of human thought. …”
    Get full text
    Article
  9. 2449

    Circulating Current Suppression and Midpoint Potential Balance of Flexible DC T-Type Three-Level Bidirectional Converter for Urban Rail Transit by LIU Jianhua, LI Dongdong, LI Hao

    Published 2025-04-01
    “…In the field of low-voltage DC traction power supply, converters have the characteristics of low voltage and high current. …”
    Get full text
    Article
  10. 2450

    Blockchain enabled deep learning model with modified coati optimization for sustainable healthcare disease detection and classification by Heba G. Mohamed, Fadwa Alrowais, Fahd N. Al-Wesabi, Mesfer Al Duhayyim, Anwer Mustafa Hilal, Abdelwahed Motwakel

    Published 2025-07-01
    “…Abstract The growing number of patients and the emergence of new symptoms and diseases make health monitoring and assessment increasingly complex for medical staff and hospitals. The execution of big and heterogeneous data gathered by medical sensors and the necessity of patient classification and disease analysis have become serious problems for various health-based sensing applications. …”
    Get full text
    Article
  11. 2451

    Transform-Based Multiresolution Decomposition for Unsupervised Learning and Data Clustering of Cellular Network Behavior by Juan Cantizani-Estepa, Sergio Fortes, Javier Villegas, Javier Rasines, Raul Martin Cuerdo, Raquel Barco

    Published 2024-01-01
    “…To ease the management and automatically detect network problems, unsupervised techniques have been put to use. …”
    Get full text
    Article
  12. 2452

    Deformation Monitoring of Truss Structure Bridge With Time-Series InSAR Analysis by Chuanxu Sun, Gen Li, Zihan Hu, Yifan Wang, Zehua Dong, Tao Zeng

    Published 2025-01-01
    “…However, large-span steel truss structure bridges have complex bridge structures and deformation forms, which make it difficult for the traditional persistent scatterer interferometry (PSI) method to realize the precise detection of their deformation, resulting in a series of limitations. …”
    Get full text
    Article
  13. 2453

    Optimized conductor selection and phase balancing in unbalanced distribution networks: Economic optimization via the vortex search algorithm by Brandon Cortés-Caicedo, Jhony Andrés Guzmán-Henao, Oscar Danilo Montoya, Luis Fernando Grisales-Noreña, Rubén Iván Bolaños

    Published 2025-09-01
    “…The inherent characteristics of unbalanced three-phase distribution networks can have negative technical and financial effects. In this vein, optimal conductor size selection and phase balancing are among the most common strategies for improving these indicators, which involves dealing with complex optimization problems. …”
    Get full text
    Article
  14. 2454
  15. 2455

    Abuse of law as a form of opposition to the implementation of the law in the context of modern scientific discourse and law enforcement practice by N. I. Sukhova

    Published 2022-03-01
    “…The analysis of the given problems showed that despite of the prevalence in relations regulated by various law branches and the frequent reference to it among scholars, it was not possible to develop the unanimous approach to understanding of the abuse of law. …”
    Get full text
    Article
  16. 2456

    Realistic dual-task listening-while-balancing in older adults with normal hearing and hearing loss with and without hearing aids by Niroshica Mohanathas, Lianna Montanari, Grace A. Gabriel, Rachel Downey, Karen Z. H. Li, Jennifer L. Campos

    Published 2024-11-01
    “…Abstract Age-related hearing loss is a risk factor for mobility problems and falls, possibly due to poor access to spatial sounds or the higher allocation of attention required to listen, thereby reducing cognitive resources to support mobility. …”
    Get full text
    Article
  17. 2457

    ‘Long journey to shelter’: a study protocol: a prospective longitudinal analysis of mental health and its determinants, exposure to violence and subjective experiences of the migra... by Amal R Khanolkar, Erica Mattelin, Frida Fröberg, Linda Jonsson, Laura Korhonen

    Published 2021-09-01
    “…Exposure to violence and mental health problems such as posttraumatic stress disorder are frequently reported among migrant children, but there is a knowledge gap in our understanding of the complex longitudinal interplay between individual, social and societal risk and resilience factors that impact mental health and well-being, quality of life and ability to function and adapt. …”
    Get full text
    Article
  18. 2458

    Cancellation of Elective Surgery and Its Associated Factors in Public Teaching Hospitals of Addis Ababa, Ethiopia, 2021 by Tezazu Engidayehu, Yohannes Ayalew, Debela Gela, Fekadu Abera

    Published 2024-11-01
    “…Elective surgical case cancellation is common and can have significant adverse effects by causing prolonged waiting times, harm to patients, and wasting of scarce resources in countries like Ethiopia. …”
    Get full text
    Article
  19. 2459

    Helping tools for the regular expression author for test questions in LMS Moodle by O. A. Sychev, G. V. Terehov

    Published 2016-07-01
    “…Composing regular expressions for test questions is often a difficult thing for the teachers; so many teachers avoid using regular expression questions. Similar problems hinder students learning regular expressions as a part of computer science. …”
    Get full text
    Article
  20. 2460

    Navigating Coastal Vulnerability: Introducing the Coastal Fuzzy Vulnerability Index (CFVI) by Zekâi Şen

    Published 2025-05-01
    “…Vulnerability impacts have increased in an unprecedented way with the effects of global warming, climate change, erosion, sea level rise, tsunami, flood, and drought—natural events that jointly cause geomorphological changes, especially in coastal zones. …”
    Get full text
    Article