-
4521
Influence of the Technological Parameter and Die Structure on Metal Flow Line for Precision Forging Car Gear Blank
Published 2015-01-01“…The method of pre- control optimization can effectively reduce the number of tests,reduce the production costs and increase the production efficiency. …”
Get full text
Article -
4522
RESEARCH ON PARAMETRIC ANALYSIS AND MULTI-OBJECTIVE OPTIMIZATION OF CYLINDRICAL PRESSURE STRUCTURE
Published 2021-01-01“…In order to improve the design efficiency and performance of the cylindrical pressure structure,strength and stability analysis methods were determined,the initial scheme was analyzed. the second development of Abaqus software was carried out by using Python language,Abaqus was integrated with i Sight software,the parametric analysis flow of pressure structure was designed,could realize automatic modeling and analysis of cylindrical pressure structure. the most Latin hypercube method was used to selectting the sample points,the sensitivity analysis of the design variables were carried out,The comparison of the fitting accuracy shown that the response surface model had the highest accuracy,the approximate model of the cylindrical pressure structure based on the fourth-order response surface was obtained. the multi-objective optimization model was established,The second generation of non dominated sorting genetic algorithm was used to solving the multi-objective optimization problem,the results shown that the weight of the optimization scheme was reduced,while the ultimate strength was greatly improved,improved the performance of the cylindrical pressure structure.…”
Get full text
Article -
4523
Research on Visualization of Cylindrical Gear Hobbing Cutting Force and the Influence of Cutting Parameter on Hobbing Cutting Force
Published 2022-03-01“…In order to quantify the influence of machining parameters on the cutting force in hobbing process,a method for predicting the cutting force of gear hobbing based on three-dimensional (3D) geometric simulation is studied. …”
Get full text
Article -
4524
The Analysis of the Effective Factors on Urban Blight in District 3, Region 12, Tehran City
Published 2019-09-01“…These 6 factors express 69.53% of total variance in data. After determining the dimensions of urban blight, the regression analysis was used by a step-by-step method to identify the factors affecting urban blight in District 3, Region 12, Tehran. …”
Get full text
Article -
4525
Nash Bargaining-Based Coordinated Frequency-Constrained Dispatch for Distribution Networks and Microgrids
Published 2024-11-01“…The effectiveness of the proposed method in enhancing the operational security and economic efficiency of the distribution networks is validated through simulation analysis.…”
Get full text
Article -
4526
The Results of Transscleral Diode Laser Cyclophotocoagulation in Micropulse Mode Treatment in Patients with Primary Subcompensated Open-Angle Glaucoma and Toxic-Allergic Syndrome o...
Published 2021-04-01“…In addition, the use of DCPC in microimpulse mode leads to stabilization of functional and structural indicators, helps to prevent a decrease in visual functions. Thus, the described method is characterized by safety, high efficiency and a wide range of indications for its performance. …”
Get full text
Article -
4527
OPTIMIZATION TECHNOLOGY OF FAT-SOLUBLE VITAMINS PRODUCTION BASED ON ALKALINE HYDROLYSIS
Published 2022-07-01“…The yield of the target product has been determined by HPLC.Results. Methods for obtaining the substance of fat-soluble vitamin D from fish raw materials have been considered in detail. …”
Get full text
Article -
4528
In vitro activity of seven antifungal agents against Fusarium oxysporum and expression of related regulatory genes.
Published 2025-01-01“…In this study, the aims were to screen highly effective pesticides for F. oxysporum, reduce peasants' misunderstandings about pesticide application, improve disease control levels, and enhance economic efficiency. The toxicity of seven fungicides (carbendazim, pyraclostrobin, epoxiconazole, tricyclazole, azoxystrobin, difenoconazole, quintozene) on F. oxysporum were determined by the mycelium growth rate and the spore germination method, and single and compound fungicides with effective inhibitory effects on mycelial growth were screened. …”
Get full text
Article -
4529
Research on Multi-Objective Optimization of Helical Gear Shaping Based on an Improved Genetic Algorithm
Published 2025-04-01“…Traditional design and shaping methods of helical gears may have difficulties in meeting the requirements of multiple performance indicators simultaneously, such as tooth surface accuracy, load-carrying capacity, and transmission efficiency. …”
Get full text
Article -
4530
Enhancing Sink-Location Privacy in Wireless Sensor Networks through -Anonymity
Published 2012-04-01“…Furthermore, to solve k -anonymity sink-location problems more efficiently, we develop an artificial potential-based quasi-optimal (APQO) method that is of linear time complexity. …”
Get full text
Article -
4531
Modern understanding about the role of group A β -hemolytic streptococcus in acute tonsillitis
Published 2021-12-01“…The effectiveness of the rapid streptococcal antigen detection method in the oropharynx was determined by a prospective study involving 35 patients with acute tonsillitis.Results: in the study, we have found that bacterial culture results of a throat swab, the following were more common: Nesseria species (39 %), Streptococcus viridans (23 %), and Staphylococcus aureus (17 %). …”
Get full text
Article -
4532
Modelling of heat and mass transfer at oscillating drying in mobile grain dryer
Published 2015-10-01“…Key parameters of process and the device in a mobile grain dryer were determined. To increase efficiency and energy saving drying should be carried out at a temperature of grain heating close to maximum permissible. …”
Get full text
Article -
4533
Predicting Marshall stability and flow parameters in asphalt pavements using explainable machine-learning models
Published 2024-12-01“…The traditional method for determining the Marshall stability (MS) and Marshall flow (MF) of asphalt pavements is laborious, time consuming, and costly. …”
Get full text
Article -
4534
Extreme Learning Machine and Moving Least Square Regression Based Solar Panel Vision Inspection
Published 2017-01-01“…Finally, moving least square regression (MLSR) algorithm is introduced for solar panel position determination. Experimental results and comparisons show that the proposed ELM and MLSR based inspection method is efficient not only in detection accuracy but also in processing speed.…”
Get full text
Article -
4535
A Consensus Framework for Evaluating Dispute Resolution Alternatives in International Law Using an Interval-Valued Type-2 Fuzzy TOPSIS Approach
Published 2024-11-01“…—cost-efficiency, duration, impartiality, binding nature, and generalizability are considered essential in determining the best resolution method. …”
Get full text
Article -
4536
A novel approach for constructing plantation wood-based phase change energy storage composites exhibiting high dimensional stability and mechanical performance
Published 2025-09-01“…Through comprehensive property evaluation, a PEG 800 solution concentration of 40 % was determined to be optimal in the first step, achieving a balanced phase-change enthalpy of 20.11 J/g, improved dimensional stability (water-soaking anti-swelling efficiency: 68.01 %), and enhanced mechanical performance. …”
Get full text
Article -
4537
Designing a model of the role of social media in crisis management and digital supply chain resilience
Published 2025-06-01“…Using Cohen's table for sample size determination, a sample of 189 participants was selected. …”
Get full text
Article -
4538
CRISPR/Cas9 ribonucleoprotein mediated DNA-free genome editing in larch
Published 2024-01-01“…The optimal particle bombardment parameters were determined at 1,100 psi and a distance of 9 cm and the editing efficiency of the targets was verified in vitro. …”
Get full text
Article -
4539
Cost-effectiveness of risk model-based lung cancer screening in smokers and nonsmokers in China
Published 2025-05-01“…However, the cost-effectiveness of this model has yet to be determined. Methods The cost-effectiveness analysis simulates a Chinese birth cohort using a calibrated Markov model based on individual data from a prospective cohort of the Guangzhou Lung Cancer Screening Program. …”
Get full text
Article -
4540
Blind Parameter Identification of MAR Model and Mutation Hybrid GWO-SCA Optimized SVM for Fault Diagnosis of Rotating Machinery
Published 2019-01-01“…Signals collected from different types of faults were firstly split into sets of intrinsic mode functions (IMFs) by variational mode decomposition (VMD), the decomposing mode number K of which was preset with central frequency observation method. Then the multivariate autoregressive (MAR) model of all IMFs was established, whose order was determined by Schwartz Bayes Criterion (SBC), and all parameters of the model were identified blindly through QR decomposition, where key features were subsequently extracted via principal component analysis (PCA) to construct feature vectors of different fault types. …”
Get full text
Article