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4161
点接触渐开线少齿差行星传动齿面构建
Published 2014-01-01“…According to kinematics method of gear geometry principle,the tubular enveloping surface is firstly proposed.It is generated by the sphere motion along an equidistant curve which is developed based on a selected smooth curveГattached to the planetary wheel external tooth surface in the given direction.The new meshing pair is formed in terms of the established tubular surface and the general equations of gear pair are derived.Then the generation of tooth profiles of planetary wheel drive is discussed.Meanwhile,the conjugated contact curve for selected smooth curveГis determined. …”
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4162
Diagnostical meaning acute phase proteins in cerebrospinal liquid in children with neuroinfections
Published 2014-09-01“…Developed method of express diagnostics of the severity of inflammatory damage of the brain in bacterial meningitis in children by determination in cerebrospinal liquid alpha-2-macroglobulin is described.…”
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4163
ATO Controller Research Based on Predictive Fuzzy Control Algorithm
Published 2018-01-01“…So in this paper, a predictive fuzzy control method was used for train automatic operation. It summarized the train movement equation and determined its corresponding evaluation function in the process of train running according to several optimization goal, and established the multi-step predictive control model, its rolling optimization using fuzzy multi-objective optimization model. …”
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4164
Adsorption properties of tea polyphenols by hyperbranched poly (amine-ester)
Published 2014-05-01“…Therefore, it was studied widely to develop new methods or techniques to enhance the efficiency of extraction and purification of TPs (including EGCG).Now column chromatography is the main method in purification industry of TPs. …”
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4165
Clinical and economic evaluation of the effectiveness of modern strategies for screening and early diagnosis of cervical cancer in the Russian Federation
Published 2025-05-01“…Aim. To determine the most appropriate strategy for screening and early diagnosis of cervical cancer in the Russian Federation in terms of clinical (diagnostic) and cost-effectiveness.Materials and methods. …”
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4166
Keratorefractive Surgery for Residual Refractive Error Correction in Pseudophakic Patients
Published 2020-06-01“…Conclusion. The high efficiency of the correction using the LASIK, PRK and femtoLASIK methods on pseudophakic eyes with the achievement of the target refraction in most of the studied cases was shown. …”
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4167
Investigation of the multi-pass drawing process for steel thin-walled ribbed tube using Taguchi-grey relational analysis optimisation
Published 2025-05-01“…Furthermore, the efficiency and effectiveness of this method are verified through MPD experiments using the derived optimal parameter sets. …”
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4168
Structural, Optical and Photocatalytic Properties of Cerium Oxide Nanoparticles
Published 2025-01-01“…The crystal structure of cubic fluorite and its average particle size range between 10- 20 nm, as determined by X-ray diffraction analysis. The diameters of the cerium dioxide nanoparticles in the range of 23.52 nm were determined using high-resolution scanning electron microscopy. …”
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4169
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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4170
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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4171
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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4172
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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4173
ENVIRONMENTAL SECURITY STRUCTURE FORMING THE GROUNDWORK FOR A TERRITORIAL ENVIRONMENTAL PASSPORT
Published 2020-04-01“…The threshold of environ-mental safety is set for each geographical area under assessment (i.e., for each building project and geographical area, it is determined by the composition of relevant factors) and the existing level of environmental pollution is determined along with the ecological reserve of the area and its steady state range, i.e., the acceptable level of deviation of environmental safety indicators, which depends on temporary factors and the objective reality of the functioning of the infrastructure of the evaluated territory. …”
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4174
Crop water stress index assessment of safflower (Carthamus tinctorius L.) under limited water conditions
Published 2024-11-01“…The threshold value at which irrigation should commence was determined to be 0.63, and it will serve as a valuable reference data source for irrigation scheduling.…”
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4175
Optimization of Gas-Liquid Sulfonation in Cross-Shaped Microchannels for α-Olefin Sulfonate Synthesis
Published 2025-05-01“…To achieve multi-objective optimization considering product active substance content and energy efficiency, a strategy combining a two-population genetic algorithm with the entropy-weighted TOPSIS (Technique for Order of Preference by Similarity to Ideal Solution) method was implemented. …”
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4176
Practical Steps for Urban Flood Risk Mitigation Using Nature-Based Solutions—A Case Study in <i>New Cairo</i>, Egypt
Published 2025-03-01“…Vulnerability assessment determined the vulnerable characteristics of exposed populations and buildings to flood risk. …”
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4177
Evaluating the physicochemical properties of camelina (Camelina sativa) seed oil obtained through optimized ultrasonic-assisted extraction
Published 2025-07-01“…In contrast, the oil extraction efficiency and total phenol content initially increased and then declined. …”
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4178
Particle Swarm Optimization Based Optimal Design of Six-Phase Induction Motor for Electric Propulsion of Submarines
Published 2022-04-01“…The motor designed is optimized using efficiency and power losses as the fitness function. …”
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4179
Improving the Packaging Process of a Textile Company with Lean Production, Time Study and REBA Analysis
Published 2022-12-01“…Firstly, the standard time of the operations was determined by the time study method. The time study method was carried out with the ProTimeEstimation program. …”
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4180
Dangerous attack paths analysis for power networks based on adaptive limited depth search and improved Z-score pruning
Published 2024-12-01“…Experiments show that the proposed method can improve the search efficiency and reduce the search of unnecessary nodes while ensuring the accuracy of the search results of the attack path.…”
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