بدائل البحث:
significant 3 » significance _ (توسيع البحث)
3 based » _ based (توسيع البحث), ni based (توسيع البحث), cu based (توسيع البحث)
decrease » increase (توسيع البحث)
significant 3 » significance _ (توسيع البحث)
3 based » _ based (توسيع البحث), ni based (توسيع البحث), cu based (توسيع البحث)
decrease » increase (توسيع البحث)
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121
Investigating the Effectiveness and Teachers’ Perceptions of Rigorous Curriculum Design for Project-Based Learning Implementation on Middle School Science Students’ Achievement and...
منشور في 2023"…Results: The findings revealed several significant results: 1) implementing RCD-PBL has increased grades 6 to 8 students’ Pre-Posttest results in the SSKT in the experimental group compared to the control group. 2) implementing RCD-PBL has increased the students’ spring 2022 results in the MAP science exam for the experimental group compared to the control group for grades 6 to 8. 3) Teachers’ perceptions have evolved whereby they are more confident about the implementation of the RCD-PBL. …"
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122
Maternal and Neonatal Outcomes Post Bariatric Surgery: A Population-Based Study
منشور في 2023"…P value was regarded as significant at <0.05</p> <h3>Results</h3> <p>Qatari, advanced maternal age, Parity >1, diabetes, and hypertension were found to be significant risk factors for women with post-BS.…"
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123
Machine Learning based Model Reveals the Metabolites Involved in Coronary Artery Disease
منشور في 2025"…Therefore, advances in early identification and individualized treatment plans are crucial.</p><h3>Methods</h3><p dir="ltr">This article presents machine learning (ML) based model that can recognize metabolomic compounds associated with CAD in the Qatari population for the early detection of CAD. …"
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124
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125
Toward a Clearer Understanding of Value‐Based Healthcare: A Concept Analysis
منشور في 2025"…<h3>Background</h3><p dir="ltr"> Value‐based healthcare (VBHC) aims to improve the quality of healthcare delivery while reducing costs and also aims for outcomes that are of utmost importance from patients’ perspectives. …"
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126
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127
Hybrid deep learning based threat intelligence framework for Industrial IoT systems
منشور في 2025"…Besides complete automation and transformation, industrial IoT has so far created plenty of opportunities in several sectors 1.3such as smart manufacturing, energy, healthcare, smart agriculture, retail, supply chain, and transportation. …"
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128
Kernel-Ridge-Regression-Based Randomized Network for Brain Age Classification and Estimation
منشور في 2024"…In this study, a brain age classification and estimation framework is proposed using structural magnetic resonance imaging (sMRI) scans, a 3-D convolutional neural network (3-D-CNN), and a kernel ridge regression-based random vector functional link (KRR-RVFL) network. …"
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129
Multidimensional Risk-Based Real Options Valuation for Low-Carbon Cogeneration Pathways
منشور في 2023"…This study identified three price factors with significant fluctuations that impact conventional power generation, namely: wholesale electricity spot price, natural gas spot price, and CO<sub>2</sub> market price. …"
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130
Impacts of ultrasonication time and surfactants on stability and optical properties of CuO, Fe<sub>3</sub>O<sub>4</sub>, and CNTs/water nanofluids for spectrum selective applicatio...
منشور في 2022"…Furthermore, various surfactants (anionic, cationic, and polymer) were added to the base fluid. The study results revealed that surfactants have a significant effect on the stability of nanofluids over ultrasonication time. …"
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131
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132
The impact of STEM project-based learning on the achievement of high school students in UAE
منشور في 2018"…In order that the significance of this research is : 1)TO investigate the effects of using STEM -PBL in learning by focusing on the 21st century skills.2)To encourage the students for STEM subjects to be used in learning.3)Meet the United Arab Emirates 2021 agenda to improve the education. …"
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133
Psychometric properties of a questionnaire assessing the extent of integration in a problem-based learning curriculum
منشور في 2025"…<h3>Background</h3><p dir="ltr">Integrated curricula reinforce student learning and retention of relevant knowledge. …"
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134
Competition vs cooperation: An agent based model for sustainable tomatoes’ import system
منشور في 2024"…Interactions between trade partners are modeled using two game theoretic approaches counting<u> Cournot</u><u> competition</u> and <u>Cartel</u> collusion. Based on the research findings, a competitive global market can bring economic benefits to Qatar as an importing nation, but this approach also entails substantial <u>water consumption</u> and results in significant environmental emissions. …"
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135
Dynamic model scaling based on segmented tumor size for breast cancer detection
منشور في 2025"…This adaptive approach mitigates segmentation inaccuracies and ensures that the appropriate model complexity is applied based on tumor characteristics. Rigorously evaluated on three distinct datasets, the proposed approach demonstrates superior performance compared to leading techniques, particularly in terms of 95% confidence intervals, the area under the precision–recall curve (PR-AUC), and accuracy, achieving 93.86% accuracy with 95% confidence intervals of [93.15–95.31%] and PR-AUC of 0.986 on the BRACS dataset. …"
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136
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137
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138
Robotic-assisted versus conventional total knee arthroplasty: a systematic review and meta-analysis of randomized controlled trials
منشور في 2023"…We assessed the risk of bias using the revised Cochrane risk-of-bias tool for randomized trials (RoB 2).</p><h3>Results</h3><p dir="ltr">Our search returned seven RCTs suitable for our analysis, which included a total of 1942 knees; 974 of these knees were implanted using robotic arms while the remaining 968 utilized jig-based knee systems. …"
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139
Key determinants of SMEs’ export performance: a resource-based view and contingency theory approach using potential mediators
منشور في 2020"…The purpose of this study is to look at capacity building to accelerate SMEs’ export performance.</p><h3>Design/methodology/approach</h3><p dir="ltr">This study draws on contingency theory and takes a resource-based and market-based view to provide a holistic understanding of the issue. …"
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140
Bridging Classrooms and Communities: The Transformative Impact of Community‐Based Dental Education on the Learning Experiences of Undergraduate Students
منشور في 2025"…<h3>Aims</h3><p dir="ltr">This study aimed to evaluate the impact of community‐based dental education (CBDE) on the learning experiences of undergraduate dental students and recent dental graduates from two diverse geographical regions.…"