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Suggested Topics within your search.
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1381
Evaluating the Digital Transformation of Cities with Multi-Criteria Decision-Making Techniques
Published 2021-12-01“…In these measurements, the SWARA technique was used in the calculation of CSFs weight percentages, the AHP technique was used in the calculation of dimensions weight percentages, and the Categorical Value Selection technique was used in the calculation of indicators weight percentages. …”
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1382
Basic Principles of Industrial Electric Power Network Computer Aided Design and Engineering
Published 2012-10-01“…The paper presents basic automation process principles including a graphical representation network and calculation results, convenient user interface, automatic mode calculation, selection of transformer rated power and cross-section area of wires. …”
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1383
The production of novolac oligomers
Published 2016-12-01“…The paper presents the improvement of production technology of novolac phenol-formaldehyde oligo-mers by introducing the new scheme of capture of exhaust gases due to waste production, which leads to a reduction of costs and increase economic efficiency. The calculation of the material balance of the pro-duction of novolac phenol-formaldehyde oligomer at 300 kg/h of technical product is performed, the technological calculation of the basic equipment and selection of auxiliary equipment is produced. …”
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1384
Organizational and methodological principles of stock analysis for enterprise management needs
Published 2020-08-01“…The study identifies the problems that arise in the course of stock management, which, in particular, include the following: the accurate calculation of cost per unit of products; the high-quality inspection of the actual condition of the stocks stored at warehouses; the selection of an optimal portfolio of contractual obligations for the supply of the stocks; and the selection of economically justified balances at the warehouse. …”
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1385
Non-Isothermal Degradation Kinetics of CaCO3 from Different Origin
Published 2013-01-01“…The comparison of the results obtained with these calculation procedures showed that they strongly depend on the selection of proper mechanism function for the process. …”
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1386
AGRITOURISM IN THE REPUBLIC OF MOLDOVA AND TOURISM PRODUCT COST - A REVIEW
Published 2023-01-01“…Based on the data of the National Bureau of Statistics of the Republic of Moldova, as well as publications of scholars from different countries, the present paper presents the role of agritourism as a field of activity and as an activity generating additional income and diversifying risks for agricultural entities. The selection of the appropriate method of calculating the cost of the agritourism product has been identified by the authors as an acute problem in the field of agritourism services. …”
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1387
Parameter Analysis and Elastohydrodynamic Lubrication of the Precision Steel Ball Transmission
Published 2015-01-01“…On the basis of the study of contact mechanics and kinematics of precision steel ball transmission,the minimum film thickness formula of precision steel ball transmission meshing vice is derived by applying Hamrock-Dowson formula.The influence rule of the basic parameters such as the short amplitude coefficient of cycloidal tooth profile,rolling circle radius and steel ball radius on the meshing pair minimum film thickness is studied by applying numerical calculation method.The lubrication condition of meshing pair is analyzed and discriminated,the calculation method of the parameter selection of meshing pair in a state of complete elastohydrodynamic lubrication is proposed with calculating the range of the basic parameters.The theory basis of design and application for precision steel ball transmission is provided.…”
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1388
Parameter Matching and Control Strategy Development for AMT Parallel Plug-in System
Published 2019-01-01“…In order to solve the component selection and control problem of AMT parallel plug-in system for hybrid electric vehicles, it proposed a method of parameter calculation and power train matching based on actual road conditions. …”
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1389
Estimation of Current RMS for DC Link Capacitor of S-PMSM Drive System
Published 2023-10-01“…The Cotes method eliminates numerous integration calculations, thus improving calculation accuracy. The proposed technique simplifies the tedious calculation process of traditional algorithms and guarantees high calculation accuracy, providing guidance for optimizing the selection of DC link capacitors and the design of life monitoring controllers. …”
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1390
Study on Actual Energy Consumption for Evaporative Condenser in Ammonia Refrigerating Plants
Published 2007-01-01“…The energy consumptions for evaporative condensers with different brands and water - cooled condensers were analyzed by theoretical calculation, product selection calculation, and field tests. …”
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1391
Research of Onboard Energy Storage System for Urban Railway Transit Vehicle Braking
Published 2015-01-01“…Through simulation calculation of the size of the regenerative braking energy, optimal initial charging voltage was determinated based on power-capacity constraint, then the super capacitor array optimization configuration was completed, which provided analysis basis for the overall structure of the energy storage system design and selection of inductance and capacitance.…”
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1392
Specific Features of Assessing Finance Efficiency of Deals on Russian M & A Market
Published 2019-08-01“…Apart from that the authors showed advantages and drawbacks of each method of financing M & A deals and put forward methodology of assessing and the calculation model for estimating finance efficiency of different ways of financing M & A deals and provided recommendations for choosing methods of financing on the basis of multiplayer selection substantiation within the frames of the calculation model designed by the authors. …”
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1393
沥青混合料保温车螺旋输送机结构设计和仿真
Published 2013-01-01“…For the screw conveyor of the asphalt mixture insulation vehicle,by means of the mathematical methods the axial movement speed and the circumferential speed of the screw conveyor are derived,and then the calculation formula of the spiral shaft rotation speed,helical blade diameter and pitch are deduced.According to the calculation formula,the design parameters of the screw conveyor of the asphalt mixture insulation vehicle are calculated.Finally,by using of Engineering Fluid Dynamics software the material flow analysis model of the screw conveyor is established,and the flow field of asphalt mixing material is simulated.The results show that the screw conveyor can stir and mix the materials,as a result of exit space limitation the material is dumped by screw extrusion and should minimize the extend size.The reference for the selection,design and optimization of the screw conveyor will be provided by the research results.…”
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1394
Local outlier factor algorithm based on correction of bidirectional neighbor
Published 2020-08-01“…A local outlier factor algorithm based on bidirectional neighbor correction was proposed to solve the problems of existing outlier detection algorithms such as difficulty in parameter selection,poor efficiency and low accuracy.The bidirectional neighbor searching algorithm was used to reduce the neighbor search time.Then the bidirectional neighbor pruning algorithm was used to reduce the number of parameters and unnecessary calculations.And the correction factor based on bidirectional neighbors was used to improve the calculation accuracy.Experimental results show that the proposed algorithm has better performance in parameter selection and time efficiency than other outlier detection methods.The correction factor improves the accuracy of the algorithm,in the synthetic data set and UCI data set.…”
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1395
Methods of biological age estimation and identification
Published 2023-08-01“…Introduction: The calculation of biological age is a fundamental element for the identification of individuals in legal, administrative, migratory, and forensic fields. …”
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1396
A Dual-unknown-input Self-calibration Filtering Method
Published 2019-01-01“…In many engineering fields, such as communication, navigation, guidance and control, fault diagnosis and so on, state equations and measurement equations often contain unknown inputs(systematic errors) due to the influence of environmental factors, improper selection of models and parameters, and failure of measuring equipment. …”
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1397
Exploring glymphatic system alterations in iRBD and Parkinson’s disease using automated DTI-ALPS analysis
Published 2025-04-01“…This study compared ALPS indices in treatment-naïve, de novo diagnosed patients with Parkinson’s disease (PD), patients with isolated REM behavior disorder (iRBD), and healthy controls using both manual and automatic approaches to the ROI selection used in ALPS-index calculation. ALPS indices were analyzed bilaterally and correlated with clinical severity (MDS-UPDRS) and nigrostriatal denervation (DAT-SPECT). …”
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1398
The Sloping Mire Soil-Landscape of Southern Ecuador: Influence of Predictor Resolution and Model Tuning on Random Forest Predictions
Published 2014-01-01“…For the same purpose, several model tuning parameters were tested and a prepredictor selection with the R-package Boruta was applied. Model versions were evaluated and compared by 100 repetitions of the calculation of the residual mean square error of a five-fold cross-validation. …”
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1399
Self-Adaptive Moving Least Squares Measurement Based on Digital Image Correlation
Published 2024-12-01“…Under this assumption, it analyses the random errors and systematic errors of the PMLS method under different calculation window sizes. The optimal size of the calculation window is determined by minimizing the errors. …”
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1400
On design of worm gears with cylindrical worms
Published 2016-12-01“…The recommendations for selection by standard depending on the set rotation frequency of the worm are developed. …”
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