Results 21 to 30 of about 20,977,794 (309)

Rasch Rating Scale Model: Bias Detection and Validation Test of Indonesian-Adolescent Life Satisfaction Scale

open access: yesPsympathic: Jurnal Ilmiah Psikologi, 2022
Life satisfaction instrument among psychology related analyses has weaknesses in terms of gender bias testing, especially among adolescents. Therefore, this research aims to develop and validate a life satisfaction instrument in the Indonesian language ...
Yonathan Natanael   +6 more
doaj   +1 more source

Effect of model scale and airflow velocity on aerodynamic noise prediction for high-speed train leading car and bogie

open access: yesEngineering Applications of Computational Fluid Mechanics
Predicting noise from the actual train model by numerical simulation and wind tunnel testing requires appropriate corrections based on reduced model scale and airflow velocity.
Deng Qin, Tian Li, Peng Zhou, Jiye Zhang
doaj   +1 more source

Ship Flow of the Ryuko-maru Calculated by the Reynolds Stress Model Using the Roughness Function at the Full Scale

open access: yesJournal of Marine Science and Engineering
The k-omega SST turbulence model is extensively employed in Reynolds-averaged Navier–Stokes (RANS)-based Computational Fluid Dynamics (CFD) calculations.
Satoshi Matsuda, Tokihiro Katsui
doaj   +1 more source

Research on Strength Degradation and Crack Development in Defective Concrete

open access: yesGeoHazards
Tunnel linings play a vital role in underground infrastructure, yet their performance can be severely affected by pre-existing cracks. This study investigates the mechanical behavior and failure mechanisms of C30 concrete with artificial cracks under ...
Qiwei Lin   +2 more
doaj   +1 more source

Bridging the Loneliness Gap: Depression, Connectivity, and Isolation in Pediatric Oncology Patients and Their Peers

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Loneliness is associated with adverse physical and mental health outcomes and remains understudied in children and adolescents undergoing cancer therapy. Pediatric oncology patients may be at increased risk due to medical isolation and disruption of social networks.
Charlotte N. Stahlfeld   +5 more
wiley   +1 more source

Strut optimization analysis of azimuth thruster with contra-rotating propellers

open access: yesZhongguo Jianchuan Yanjiu
Objective This paper aims to investigate the effect of the strut geometry on the open water performance of the azimuth thruster with contra-rotating propellers (CRPs ).
Zhenhua LIU, Yan ZHANG, Junsong HE
doaj   +1 more source

Early Body Mass Index z‐Score Change and Resolution of Severe Malnutrition in Children With Sickle Cell Anemia in a Low‐Income Setting: A Prospective Single‐Arm Extension Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Children with sickle cell anemia (SCA) in low‐income settings are at risk of severe malnutrition, but optimal nutritional management has not been established. We evaluated an intensified ready‐to‐use therapeutic food (RUTF) regimen in children with persistent severe malnutrition after initial treatment and assessed whether early ...
Safiya Gambo   +9 more
wiley   +1 more source

Generation of rogue waves at model scale

open access: yesJournal of Ocean Engineering and Science, 2019
The study of rogue waves is becoming increasingly important, as the offshore oil and gas, as well as renewable energy industries, expand. The unpredictability of such disastrous waves poses a significant risk to floating and fixed structures, making it ...
Bailey Groves, Nagi Abdussamie
doaj   +1 more source

Evaluating Model Fit in Two-Level Mokken Scale Analysis

open access: yesPsych, 2023
Currently, two-level Mokken scale analysis for clustered test data is being developed. This paper contributes to this development by providing model-fit procedures for two-level Mokken scale analysis.
Letty Koopman   +2 more
doaj   +1 more source

Genome-Scale Metabolic Model Reconstruction and Validation

open access: yes, 2023
This thesis delves into the intricacies of microbial metabolism, crucial for optimizing bioprocesses and improving product quality and quantity. Focused on the thraustochytrid strain T18, the genome-scale metabolic model was constructed, emphasizing the ...
Rezaei, Leila
core  

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