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4861
Variogram modelling optimisation using genetic algorithm and machine learning linear regression: application for Sequential Gaussian Simulations mapping
Published 2025-06-01“…The objective of this study is to develop an advanced approach to variogram modelling by integrating genetic algorithms (GA) with machine learning-based linear regression, aiming to improve the accuracy and efficiency of geostatistical analysis, particularly in mineral exploration. …”
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4862
Modified fuzzy logic and artificial bee colony: An artificial intelligence approach to optimization and power quality improvement in an MPPT-based system
Published 2025-06-01“…Microgrids are the most efficient method for generating, distributing, and regulating power for consumers using localized distributed energy resources. …”
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4863
Characterizing Rock-Breaking Performance of PDC Cutters via Stability Metrics and Energy consumption in FDEM Simulations
Published 2024-10-01“…Abstract As oil production increasingly transitions from shallow to deep formation, the need for efficient PDC cutters to drill through deep hard rock becomes paramount. …”
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4864
Study on climatic quality evaluation technology of Dali Dongzao in Shaanxi based on meteorological factors
Published 2025-06-01“…The establishment of climate quality evaluation model of Dali Dongzao could provide technical guidance for objective evaluation and prediction of the climate quality of Dali Dongzao, which would be of great significance for improving the quality of the fruit and enhancing the market competitiveness. [Methods] Based on the daily meteorological data of Dali from 1991 to 2024 and years of quality inspection results, the key growth stages and weight coefficients affecting the climate quality of Dali Dongzao were determined by field investigation and expert decision method. …”
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4865
The issue of sustainable land use in Ukraine taking into account the consequences of the war
Published 2024-07-01“…In our opinion, this can happen thanks to the deepening of the theoretical, methodological and methodical foundations of the rational use of land resources (the synthesis method), and optimization of the economic, social and ecological components of land use on the basis of their expansion at the expense of the institutionalization component (deduction method), which in turn will contribute to increasing the socio-economic efficiency of the use and reproduction of the productive potential of Ukraine’s lands in the post-war period (system approach). …”
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4866
Maximum power point tracking enhancement for PV in microgrids systems using dual artificial neural networks to estimate solar irradiance and temperature
Published 2025-03-01“…Next, an adaptive computation block determines the maximum power point (MPP). The proposed MPPT method stabilizes output power at the MPP, unlike traditional MPPT methods, which oscillate. …”
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4867
FEATURES OF FORMATION AND EXECUTION OF THE FEDERAL BUDGET IN THE MILITARY-INDUSTRIAL COMPLEX OF RUSSIA
Published 2015-09-01“…Among them special urgency are those that relate to the need to develop such economic relations that would ensure and guarantee the efficiency, competitiveness and sustainability of defense enterprises. …”
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4868
Manufacturing of nanopillar (ultra-dispersed) catalytically active materials through chemical engineering
Published 2021-05-01“…The present work investigates the synthesis of catalytically active material including electrode materials, as well as their improved efficiency due to the nanodecoration of their surface.Methods. …”
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4869
Pilot study evaluating lipoma reduction with injected physiologic ice slurry
Published 2025-07-01“…Future studies could explore using coolants with more sustained coolant function and multiple injections to promote more efficient tumor reduction.…”
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4870
Fabrication of chitosan/CuO/grape seed extract biocomposite exhibiting synergistic antioxidant and antibacterial activity
Published 2025-06-01“…The unique characteristics of nanomaterials will be utilized to provide efficient treatments for resistant bacterial strains. …”
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4871
INVESTIGATION AND DEVELOPMENT OF CONSUMER PROPERTIES OF BALSAM BASED ON LOCAL RAW MATERIALS
Published 2015-03-01“…This way proves to be the most efficient and economically rational as well as acknowledged at the state level by the Decrees of President and Resolutions of the Government of the Russian Federation. …”
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4872
Updating a reservoir geological model in order to optimize waterflooding when extracting residual oil reserves from stagnant zones
Published 2021-12-01“…The negative consequences of non-stationary waterflooding can be the premature watering of the produced wells and the imbalance of the reservoir pressure maintenance system, as well as the formation of stagnant and weakly drained zones of the reservoir with residual reserves of hard-to-recover oil.Aim. To improve the efficiency of non-stationary waterflooding under the conditions of high geological and anthropogenic heterogeneity of oil and gas reservoirs in a floating oil reservoir propped up by edge and bottom waters.Materials and methods. …”
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4873
The Use of Photovoltaic Cells for Autonomous Power Supply of Radio Electronic Devices on the Example of a Wi-Fi Router
Published 2022-06-01“…The solar panel power supply circuit was developed, with the conversion efficiency in the working area achieving 90 %. The capacity of the external battery ensuring the system's autonomous operation for 7 days was determined. …”
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4874
Clinical characteristic, diagnosis and effectiveness of treatment of tuberculosis in HIV-infected patients in the Saratov region
Published 2016-04-01“…It was found increase of CD4 cell counts after treatment in patients TB/HIV, which, together with anti-tuberculosis therapy received ARVT 301 ± 45 cells/microliter vs. 202,3 ± 32 cells/microliter in patients without ARVT, p=0,0416.Conclusion: determined that TB in patients with HIV infection characterized by severe course of the process with low efficiency of treatment and high MDR, which requires the strengthening of measures to control the spread of TB in these patients.…”
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4875
DEFINING THE MAIN TYPES OF RESEARCH AND DEVELOPMENT FOR PURPOSES OF SHAPING STATE R&D POLICY IN RUSSIA AND IN OECD COUNTRIES
Published 2015-06-01“…The purpose of the paper is to clarify the conceptual framework and terminology that underlies state policy formulation in the area of R&D in theRussian Federationand to propose respective amendments to effective legislation. Sources and methods. Based on comparison and analogy, the paper analyses the application the concepts of main types of research and development in Russian and international practices of state policy formulation with the aim of improving the conceptual framework of policy analysis and improving the efficiency of R&D budgeting inRussia, as well as ensuring its compatibility with other countries. …”
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4876
ANALYSIS OF OPERATION AND RESEARCH OF THE ENERGY CHARACTERISTICS ROTARY DISPERSER
Published 2017-03-01“…Determined experimentally, depending on the frequency of spraying, the following quantities characterizing the dispersion process: the temperature of the mixture model, the efficiency of the grinding process, the degree of crushing. …”
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4877
Robot path planning using enhanced Q-learning algorithm based on single parameter.
Published 2025-02-01“…This reliance can reduce the number of parameters and increase the algorithm’s execution efficiency. A modified version of Q-learning was investigated with to determine the optimal path planning in several dynamic obstacle environments. …”
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4878
Woodchip-filled trenches: A solution to enhance urban water infiltration capacity?
Published 2024-11-01“…Soil hydraulic functions were determined according to the BEST method, then comparisons were drawn between the woodchip-filled trench and natural soil. …”
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4879
Two Parameters Deformations of Ninth Peregrine Breather Solution of the NLS Equation and Multi-Rogue Waves
Published 2013-01-01“…The representation in terms of a quotient of two determinants gives a very efficient method of determination of famous Peregrine breathers and their deformations. …”
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4880
Approximate power flow solutions‐based forecasting‐aided state estimation for power distribution networks
Published 2024-11-01“…Abstract This paper presents an approximate power flow model‐based forecasting‐aided state estimation estimator for power distribution networks subject to naive forecasting methods and nonlinear filtering processes. To this end, this estimator designs a voltage perturbation vector around the priori‐determined nominal value as the dynamic state variable, which enables more detailed depictions of voltage changes. …”
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