Showing 201 - 220 results of 4,802 for search 'complex have problems', query time: 0.18s Refine Results
  1. 201

    Complex information resources of a research library: modernization and development by I. G. Yudina, E. A. Bazyleva

    Published 2018-12-01
    “…Library scientists have been actively considering the ways to improve various aspects of library activities recent decades. …”
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  2. 202

    On the Complementarity between CMMN and iStar in Complex Domain Modeling by Konstantinos Tsilionis, Miltiadis Geropoulos, Yves Wautelet

    Published 2024-07-01
    “…The results show that there can be areas of semantic convergence between the two techniques, suggesting their parallel use to effectively model complex domain problems. Overall, the present study aims to crystallize an approach for conducting complex modeling comparisons that transcends technical considerations.…”
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  3. 203
  4. 204

    Reviewing the complexity of endogenous technological learning for energy system modeling by Johannes Behrens, Elisabeth Zeyen, Maximilian Hoffmann, Detlef Stolten, Jann M. Weinand

    Published 2024-12-01
    “…Energy system components like renewable energy technologies or electrolyzers are subject to decreasing investment costs driven by technological progress. Various methods have been developed in the literature to capture model-endogenous technological learning. …”
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  5. 205
  6. 206

    THE PROBLEM OF SOIL DEFLATION IN THE AGROLANDSCAPES OF VOLGOGRAD REGION ARID ZONE by Marina V. Nazarova, Alexander М. Belyakov

    Published 2024-12-01
    “…The mechanism of soil and territory degradation in the conditions of  Volgograd region under the influence of deflation and the level of decrease in arable land productivity, where the damage to agricultural production in the region was  amounted to 27.6 billion rubles, have been established also. The influence of the entire complex of anthropogenic impacts on the properties and structure of soils included their erodibility, deflationary activity and, in general, on the formation of ecologically balanced agricultural landscapes which has been proven successfully. …”
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  7. 207
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    COMPOUNDS OF BISMUTH AND ITS PORPHYRINE COMPLEXES: APPLICATION, STRUCTURE AND PROPERTIES by A. S. Gorshkova, V. D. Rumyantseva, A. F. Mironov

    Published 2018-04-01
    “…The counterion nature and structure make a substantial contribution in solving the problem of complexes stability. The central bismuth atom in these complexes extends far above the plane of the macrocycle due to the large ionic radius. …”
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  9. 209

    Method of determining the normal modes of toothed gears with complex geometry by Stanisław NOGA, Tadeusz MARKOWSKI, Roman BOGACZ

    Published 2015-12-01
    “…This work deals with transversal vibrations of the toothed gear, which is discussed as an annular plate with a complex geometry. The procedure for determining the proper distorted normal modes of vibrations of the wheel with discontinuous geometry is discussed. …”
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  10. 210

    PROBLEMS OF DEVELOPMENT OF OIL AND GAS INDUSTRY OF RUSSIA IN MODERN CONDITIONS by Galina Chepurko, Zukhra Dotdueva

    Published 2022-05-01
    “…The oil and gas complex plays an important economic role for our country, however, in modern conditions it has a number of unsolved problems that hinder its dynamic development: low raw material processing, high wear and tear of equipment, imperfect tax system. …”
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  11. 211

    Arterial hypertension in chronic kidney disease: current state of the problem by T. V. Zueva, T. V. Zhdanova

    Published 2021-06-01
    “…Arterial hypertension (AHT) is a significant problem in the healthcare system. It is a major modifiable risk factor for cardiovascular disease (CVD), stroke, and renal failure. …”
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  12. 212

    Development of entrepreneurship in the oil industry of the Stavropol Krai: problems and prospects by N. E. Dimurina, V. V. Roshchupkina

    Published 2024-02-01
    “…The article examines the state of the oil industry of the Stavropol Krai, the problems of the development of the oil refining sector, which results in the purchase of petroleum products at higher prices compared to regions that have their own refining capacities, which negatively affects the economic efficiency of the region. …”
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  13. 213

    Theoretical study of the possibility of L-tryptophan with thiotriazoline complex formation by L. I. Kucherenko, I. A. Mazur, S. A. Borsuk, O. V. Khromylova, S. V. Shishkina

    Published 2018-02-01
    “…For the joint use of L-tryptophan with tiotriazoline, it is necessary to solve the problem of the possibility of formation of sufficiently stable intermolecular complexes of these compounds. …”
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  14. 214

    Modeling of Complex Life Cycle Prediction Based on Cell Division by Fucheng Zhang, Yahui Wang, De Zhang

    Published 2017-01-01
    “…We have established a moderate complexity of life prediction model across studying the complex multifactor correlation life model. …”
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  15. 215

    The aesthetics of simplification and complexity in contemporary sculpture according to postmodern concepts by Wed Dhafer Nama, Hella Abd AlSheead

    Published 2023-06-01
    “… The era after World War II witnessed a remarkable transformation in the formal structure of contemporary sculpture and demonstration techniques, with its new intellectual and cognitive frameworks full of rapid and successive changes of new artistic movements and trends that provided forms, formats, new relationships and different compositional systems that included simplifications, some of which tend towards complexity, so the current study aimed to identify the aesthetics of simplification and complexity in contemporary sculpture according to postmodern concepts, The problem of the research was to answer the following question: What is the aesthetics of simplification and complexity in contemporary sculpture, this research relied on the descriptive analytical approach being the most appropriate approach to achieve the goal of the research, the research sample (3 samples) were deliberately selected to suit the privacy of the current research, and the researchers have designed (analysis form) and the most important results reached by the researchers: …”
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  16. 216

    SURGICAL METHODS IN THE COMPLEX TREATMENT OF ORTHOPEDIC PATIENTS IN PERMANENT BITE by V. І. Kutsevliak, О. V. Liubchenko, Yu. H. Danilova, V.V. Starikov

    Published 2018-03-01
    “…Carrying out experimental and clinical studies have to prove complex design features mini implants, which provide the following advantages: - the presence of two diameters of the intra osseous mini implants - cortical - 2.4 mm and a sponge - 1.2 mm enables a differentiated redistribute mainly on cortical bone; - thread pitch intra osseous portion is 1 mm, which also reduces the stress in the cortical and cancellous bone in particular layer; - individually costed mini implants sizes allow to install it in any part of the alveolar process. …”
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  18. 218

    PROBLEMS OF USING NEURAL NETWORKS TO PREDICT THE PRICE OF VIRTUAL ASSETS by Andrii Tsemko, Maxym Matskiv

    Published 2025-03-01
    “…The use of ratio normalization with a k-factor improves accuracy, but it is not enough to solve the main problem. New approaches or improvements to existing methods are needed to allow the model to better understand complex relationships in time series and reliably predict future changes.…”
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  19. 219

    SOME TRIGONOMETRIC SIMILARITY MEASURES OF COMPLEX FUZZY SETS WITH APPLICATION by Md. Yasin Ali

    Published 2023-07-01
    “…Similarity measures of fuzzy sets are applied to compare the closeness among fuzzy sets. These measures have numerous applications in pattern recognition, image processing, texture synthesis, medical diagnosis, etc. …”
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  20. 220

    A YOLO-Based Method for Head Detection in Complex Scenes by Ming Xie, Xiaobing Yang, Boxu Li, Yingjie Fan

    Published 2024-11-01
    “…Secondly, it was found in practical operations that the original IoU function has a serious problem with overlapping detection in complex scenes. …”
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