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6021
ANALYTICAL SYNTHESIS OF FORCED PULSE ELECTRONIC DRIVE CONTROL OF A TRACKING SYSTEM
Published 2018-02-01“…Expressions are obtained for the matrix of transitions of the system and the control signal in a vector form.As an example, the electric drive described by the widespread second-order mathematical model is considered to evaluate the efficiency of the proposed method. Qualitative illustrations of the operability of the proposed approach, obtained by modeling in the Mathcad environment, and quantitative characteristics of the change in the input and output signals of the hypothetical control system are presented. …”
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6022
CALCULATION OF OPERATION MODE OF OUTDOOR LIGHTING LINE WITH BILATERAL SUPPLY. Part 1
Published 2016-12-01“…Power magnitudes were determined for two points of supply and one can determine the power consumption provided that the time of operation of electric lighting is known. …”
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6023
The influence of nano-scale aluminum on the energetic potential of energetic materials: Theoretical and experimental observations
Published 2024-01-01“…For selected energetic materials, the energetic potential during combustion in an inert atmosphere was determined using the method of isoperibolic calorimetry. …”
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6024
Mesh-free SPH modelling of sediment scouring and flushing considering grains transport and transformation
Published 2024-12-01“…To tackle this challenge, a comprehensive sediment model based on the meshless Smoothed Particle Hydrodynamics (SPH) method was developed. Firstly, to enhance computational efficiency and mitigate the high cost of Fluid-Solid Interaction (FSI) between water and sediments, cohesionless sediment grains were modelled as non-Newtonian fluids, with yield strength determined according to a combined strength criterion. …”
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6025
ENVIRONMENTAL SECURITY STRUCTURE FORMING THE GROUNDWORK FOR A TERRITORIAL ENVIRONMENTAL PASSPORT
Published 2020-04-01“…As part of mitigation efforts, an environmental passport is required to assess and control the environmental safety of construction areas and building sites.Method. The study is based on the development of a sound model of integrated environmental safety in construction projects and a methodology for calculating its indicators, in particular, the indicator of “degree of concentration”. …”
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6026
Crop water stress index assessment of safflower (Carthamus tinctorius L.) under limited water conditions
Published 2024-11-01“…Irrigation applications were conducted using the line-source sprinkler irrigation method to create three constraints (35, 75, and 100 % of the water requirement) and a rainfed condition (control plot) under different crop growth periods. …”
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6027
Psychometric evaluation of Stanford health assessment questionnaire 8-item disability index (HAQ 8-item DI) in elderly people
Published 2014-04-01“…Objective: Survey the reliability and validity of the HAQ 8-item DI in older people residing in Kashan Golabchi nursing home. Methods: In this methodological study, samples were chosen by census method (n=100). …”
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6028
Leakage Detection in Subway Tunnels Using 3D Point Cloud Data: Integrating Intensity and Geometric Features with XGBoost Classifier
Published 2025-07-01“…Comparative analysis further shows that XGBoost outperforms other classifiers, such as Random Forest, AdaBoost, LightGBM, and CatBoost, in terms of balance of accuracy and computational efficiency. Moreover, compared to deep learning models, including PointNet, PointNet++, and DGCNN, the proposed method demonstrates superior performance in both detection accuracy and computational efficiency.…”
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6029
Electroacupuncture Reduces Cerebral Hemorrhage Injury in Rats by Improving Cerebral Iron Metabolism
Published 2022-01-01“…The modified neurological severity score (mNSS) was used to assess the neurological function, and the total iron content in brain tissue was determined using atomic absorption spectrometry; the expression of Hepc, Ft, Tf, and TfR in perihematoma tissue was detected using immunohistochemistry; the interference efficiency of Hepc siRNA was detected using western blot and reverse transcription polymerase chain reaction (RT-PCR). …”
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6030
Joint flow of Giesekus fluid and viscous Newtonian fluid in a circular tube
Published 2017-12-01“…The thermal and exergetic balances are compiled, the thermal and exergy efficiency of gasifiers is determined; thermal efficiency values range from 40.4 to 96.7 %, exergetic efficiency - from 17.0 to 58.2 %.…”
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6031
University proceedings. Volga region. Technical sciences
Published 2025-05-01“…Materials and methods. These issues are investigated based on the developed ΣT-ADC using simulation modeling in the NI Multisim environment. …”
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6032
A.S. MAKARENKO’ YOUTH PEDAGOGY: EXPERIENCE OF ANTINOMIC DIALECTICS FORMATION
Published 2017-12-01“…Makarenko.The aim of the article is to disclose and scientifically justify the efficiency of dialecticantinomic approach of A. S. Makarenko to the solution of problems of love in youth environment.Methodology and research methods. …”
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6033
Optimizing E-Commerce Selection Under Uncertainty: A New Framework for Decision-Making With Extended Fuzzy TOPSIS
Published 2024-01-01“…The findings provide critical insights into how website characteristics relate to consumer behavior, thereby assisting online retailers in improving their digital strategies. The extended TOPSIS method was utilized to determine how closely each website aligns with the ideal and anti-ideal solutions, resulting in a ranking based on this proximity. …”
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6034
k0-PGNAA of pollutants in aqueous samples using MCNP code
Published 2014-03-01“…The properties of neutron flux were determined by MCNP code calculations. In order to determine the efficiency curve of an HPGe detector, the prompt γ-rays from chlorine were used and an exponential curve was fitted. …”
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6035
Investigation of Pulsed UV Light Effects on Turkey Salami
Published 2020-12-01“…Pulsed UV light application has been a method used frequently in ensuring food safety recently. …”
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6036
INCREASE IN THE WORKING LIFE OF SCREWS OF IMMERSION PUMPS BY VIBRATORY FINISHING OF THEIR SURFACES
Published 2017-03-01“…The task of developing methods for determining the vibratory finishing regime is complicated, firstly by the number of parameters that determine the process conditions being considerably greater than tumbling and other processing methods with relatively simple kinematics; secondly, due to the fact that all the mode parameters affect all surface quality characteristics in one way or another. …”
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6037
The effectiveness of minimally invasive surgical techniques for treating patients with chronic venous insufficiency in the stage of trophic disorders: comparative study
Published 2024-05-01“…In group 2 (n = 60) – method of intervention was determined by the diameter of Cockettʹs perforants.Results. …”
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6038
Factors Influencing the Use of Delivery Services: A Study of Service Quality, Timeliness, and Social Media
Published 2025-02-01“…The sampling technique used was purposive sampling. The method of analysis is the multiple linear regression test, simultaneous significance test (F test), partial significance test (t-test), and coefficient of determination test (R2). …”
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6039
Pengaruh Gaya Belajar terhadap Tingkat Stres Siswa Sekolah Menengah Kejuruan Polimedik Depok
Published 2021-04-01“…This is known based on the results of the correlation coefficient of -0.515 and the coefficient of determination R-square of 0.265. …”
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6040
Reducing the Frame Vibration of Delta Robot in Pick and Place Application: An Acceleration Profile Optimization Approach
Published 2018-01-01“…A surrogate model-based optimization method is proposed to solve the practical issues. …”
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