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11521
An experimental and numerical investigation on aerodynamic characteristics for different airfoil sections for external flow
Published 2025-01-01“…Comparative assessments of drag and lift coefficients are conducted at four varying angles of attack (-6.3 degrees to 12.6 degrees) for each airfoil. …”
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11522
Secure and efficient group handover authentication protocol based on trajectory prediction in 5G-V2X
Published 2023-08-01“…Aiming at the efficiency issue of handover authentication for a large number of vehicles in the 5G-V2X scenario, a secure and efficient group handover authentication protocol based on trajectory prediction was proposed.Firstly, the effect of completing key agreement protocol in advance was achieved by predicting vehicle trajectories.Secondly, vehicles with mobility relevance were treated as the same group through user grouping algorithms, and then all vehicles within the group were batch verified using certificateless aggregation signature technology.In addition, to address the vulnerability of aggregated signature technology to DoS attacks, a binary search method was used to quickly locate malicious users and improve the efficiency of group handover authentication protocol.Finally, the security analysis of the protocol was conducted using the formal verification tool Scyther, and compared with the existing optimal protocol, the computational efficiency is improved by 30%.…”
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11523
Multi-walled carbon nanotubes modified by polyaniline for the removal of alizarin yellow R from aqueous solutions
Published 2018-02-01“…The removal capacity of alizarin yellow R (AYR) with O-MWCNTs/PANI was further investigated. Experiments were conducted to optimize the adsorption conditions, including contact time, pH, initial concentration of AYR and temperature. …”
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11524
Performance Evaluation of China's Basic Pension Insurance Based on a Three-Stage Superefficient SBM-DEA Model
Published 2022-01-01“…By studying the basic pension insurance for employees, this study analyses the basic pension insurance data of 31 provinces in China from 2016 to 2020 and conducts experiments. The results show that the overall performance of the basic endowment insurance system for urban workers in all provinces of China shows a downward trend. …”
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11525
DESIGN AND THE ANALYSIS OF SIX-DEGREE-OF-FREEDOM ADJUSTING MECHANISM WITH HIGH ACCURACY AND STIFFNESS
Published 2019-01-01“…Firstly, the configuration of adjusting mechanism was designed and the kinematics analysis was conducted; Then, the error model was established and the precision of the configuration of parallel platform was analyzed. …”
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11526
La voie entre Cessero (Saint-Thibéry, Hérault) et Segodunum (Rodez, Aveyron) : lieux d’étape de la moyenne vallée de l’Hérault
Published 2016-12-01“…This article provides an overview of the research conducted for over two decades on the portion of the Roman road from Cessero (Saint-Thibéry, Hérault) to Segodunum (Rodez, Aveyron) in the Hérault Valley, in particular the halting places dotted along this route. …”
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11527
One Laptop per Child and its Implications for the Process of Written Language Learning: A Case Study in Brazil
Published 2013-08-01“…This is a case study on the reading and writing practices of six year old children engaged in the daily use of digital technology, conducted in a public school in Porto Alegre (RS/Brazil) and made possible by the One Laptop per Child (OLPC) project. …”
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11528
Trajectoires de vulnérabilité des territoires ruraux dans les Andes d’Équateur : une analyse comparative
Published 2019-01-01“…While the peasant populations of the Ecuadorian Sierra have been marked by multiple constraints in their history, for thirty years, the liberal policies that aimed at the “modernization” of the primary sector of the economy in Ecuador have led to profound changes in the Andean regions. From fieldwork conducted in the provinces of Azuay, Cotopaxi and Chimborazo, during which interviews with institutional actors and surveys within family farms were carried out, it was highlighted that the disappearance of public agricultural services, the promotion of chemical pesticides and the development of mining have favored the disunity of the peasant groups. …”
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11529
Cognitive Behavioral Therapy in Children and Adolescents with Anxiety Disorder
Published 2013-04-01“…Anxiety disorders are one of the most common problems in the field of childhood and adolescent psychiatry. In the studies conducted, the effectiveness of CBT was demonstrated in anxiety disorders of the children and adolescents. …”
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11530
Ovarian Mature Cystic Teratoma: Challenges of Surgical Management
Published 2016-01-01“…The search was limited to articles in English language, humans, and female. The two authors conducted the search independently. The laparoscopic approach is generally considered to be the gold standard for the management. …”
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11531
Research Progress of Treatment of Black and Odorous Water Bodies with Aeration Technology
Published 2022-01-01“…When treating black and odorous water bodies,the current aeration technology is faced with problems such as unscientific aeration design,unreasonable design of parameters such as aeration volume,aeration time,and influence radius,and unclear mechanism of coupling with other technologies.To solve these problems,this paper conducts a literature study of the effect of aeration in reducing common pollutants in water bodies and clarifies the effectiveness of aeration in the treatment of black and odorous water bodies.Then,factors affecting the aeration effect are comprehensively analyzed,and the following conclusions are drawn from the results.Bottom microbubble aeration has significant advantages in effect and energy consumption;clear correlations among aeration intensity,aeration time,and pollutant removal rate are observed;when energy consumption and effect are comprehensively considered,the room for optimization of aeration/non-aeration ratio remains large.Finally,an overview and prospects of the coupling study of aeration and other technologies are presented.This research is expected to provide a theoretical reference for the treatment of black and odorous water bodies with aeration technology.…”
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11532
Researching youth voices on Comprehensive Sexuality Education: A literature review of qualitative studies
Published 2024-12-01“…A review of qualitative studies and a meta-synthesis were conducted to outline a state-of-the-art of qualitative research on youth perceptions of CSE. …”
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11533
Atypical EEG Responses to Nonverbal Emotionally Charged Stimuli in Children with ASD
Published 2020-01-01“…This study focused on auditory emotional perception in children with low-functioning autism and investigated the children’s response to emotionally charged nonverbal sounds which regularly induced emotional response in typically developing (TD) peers. An EEG was conducted, and emotional reactions were assessed using analog scales and images of presented sounds with additional images during the presentation of emotional stimuli. …”
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11534
On one type of pedagogical situations: classification and practical aspects
Published 2023-04-01“…On the basis of the previous theoretical research conducted by the author, in this paper the concept of pedagogical situation in described in connection with the concept of pedagogical event. …”
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11535
A Thematic Review of Tablet-Based Science Education Studies
Published 2019-01-01“…In this context, it was considered that analyzing the studies conducted in the field of science education, which was one of the courses where tablet use was recommended, will be important for both teacher - prospective teacher candidates who were practitioner and literature. …”
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11536
The Comparison Of Outcome In Engaged Versus Unengaged Fetal Heads In Primigravida
Published 2023-12-01“…Methods: The study was conducted at the obstetrics & gynaecology unit, FGPC Hospital, Islamabad. …”
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11537
Collaborative Task Offloading Strategy of UAV Cluster Using Improved Genetic Algorithm in Mobile Edge Computing
Published 2021-01-01“…To verify the performance of the proposed method, simulations are conducted on MATLAB. Simulation results showed that the joint utilization of UAV and MEC improves the offloading efficiency of the proposed strategy. …”
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11538
Plagiarism and Authorship Credit
Published 2024-04-01“…While the scientific community is often severe in its approach toward the act of plagiarism, there is still a lack of clarity around the code of conduct of the same as there are several grey areas related to such a misconduct on which the law remains silent. …”
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11539
A Bayesian Markov Framework for Modeling Breast Cancer Progression
Published 2024-12-01“…While the analysis is conducted with simulated data, the framework is adaptable to real-world datasets, offering valuable insights for refining screening policies and optimizing inter-screening intervals.…”
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11540
Study of Severe Preeclampsia: Epidemiological, Diagnostic, Therapeutic, and Prognostic Aspects over One Year at SMGS Hospital, Jammu: A Retrospective Study
Published 2024-12-01“…Background: This research was conducted retrospectively, with a focus on description and analysis, spanning from July 2022 to June 2023. …”
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