Suggested Topics within your search.
Suggested Topics within your search.
-
4901
A Miniaturized Dual-Band Short-Ended ZOR Antenna with Backed Ground Plane for Improved Bandwidth and Radiation Efficiency
Published 2023-01-01“…The overall electrical size of the designed antenna is 0.225λ0 × 0.144λ0 × 0.0144λ0 at ZOR (f0 = 2.70 GHz), where λ0 is the free space wavelength; therefore, it is applicable for different Wi-MAX application bands (2.5–2.7 GHz/3.3–3.8 GHz). …”
Get full text
Article -
4902
-
4903
Modeling Face Detection Application Using Convolutional Neural Network and Face-API for Effective and Efficient Online Attendance Tracking
Published 2024-04-01“…Future research can be done by focusing research on improving the model to detect the students’ faces with different brightness, contrast, and saturation because students may not have the same place and condition when joining an online meeting class.…”
Get full text
Article -
4904
Laser Powder Bed Fusion of Pure Titanium: Optimization of Processing Parameters by Means of Efficient Volumetric Energy Density Approach
Published 2024-11-01“…Forty-two tests were performed with different combinations of laser powers and scanning speeds; the samples were then characterized in terms of porosity, microstructure, and hardness. …”
Get full text
Article -
4905
-
4906
Efficient Distributed Denial of Service Attack Detection in Internet of Vehicles Using Gini Index Feature Selection and Federated Learning
Published 2025-01-01“…As noted in this paper, the average accuracy of the models is 91%. Moreover, different types of DDoS attacks were identified by employing our proposed technique. …”
Get full text
Article -
4907
ESTIMATION OF TECHNICAL EFFICIENCY OF RED CHILI FARMING ON JAVA AND OUTSIDE JAVA, INDONESIA: A STOCHASTIC FRONTIER PRODUCTION APPROACH
Published 2024-12-01“… The supply of red chili in various regions in Indonesia still relies on production from Java. Different uses of production factors are insufficient to overcome production gap between Java and other regions, so measuring other factors is required. …”
Get full text
Article -
4908
Optimizing multi-objective hybrid energy systems with pumped hydro storage for enhanced stability and efficiency in renewable energy integration
Published 2025-09-01“…This stragey aims to improve the overall efficiency and reliability of the hybrid production system. …”
Get full text
Article -
4909
MIE-SPD: A New and Highly Efficient Chaos-Based Multiple Image Encryption Technique With Synchronous Permutation Diffusion
Published 2025-01-01“…Due to the advancement of computing technologies and the Internet of Things, there has been a notable rise in image data in different sectors. Having safety mechanisms in place is crucial to protect image data from unauthorised access. …”
Get full text
Article -
4910
Exploring the Dynamic Evolution and Drivers of the Coupled Coordination Relationship of Carbon Emission Efficiency and Economic Benefits in Construction Land Development
Published 2025-02-01“…The main conclusions are as follows: (1) The CCR between CEE and economic benefits of CLD in China shows the characteristic of “improvement-stability-local decline”, and it is higher in the eastern region than in the central and western regions. (2) The decoupling of carbon emission efficiency (CEE) and economic benefits of CLD between 2003 and 2023 shows diverse trends in different provinces and time scales in China. (3) China’s eastern region are consistent with σ-convergence and β-convergence, and the gap in the level of inter-regional coupling co-ordination has narrowed. …”
Get full text
Article -
4911
Heavy metal adsorption efficiency prediction using biochar properties: a comparative analysis for ensemble machine learning models
Published 2025-04-01“…., Random Forest Regressor (RFR), Adaptive Boosting (Adaboost), Gradient Boosting (GB), HistGradientBoosting, Extreme Gradient Boosting (XGBoost), and Light Gradient-Boosting Machine (LightGBM)) were applied in attempt to predict the adsorption efficiency of several heavy metals (i.e., Pb, Cd, Ni, Cu, and Zn) according to different factors including temperature, pH, and biochar characteristics. …”
Get full text
Article -
4912
Efficiency Assessment of Transit-Oriented Development by Data Envelopment Analysis: Case Study on the Den-en Toshi Line in Japan
Published 2018-01-01“…Therefore, other influential factors must be considered when evaluating the efficiency of TOD-based stations with different inherent attributes. …”
Get full text
Article -
4913
-
4914
Does soak time influence the effect of artificial light on catch efficiency in snow crab (Chionoecetes opilio) pot fishery?
Published 2025-03-01“…These experiments have used different pot soaking times; however, the soaking time might affect the impact of LEDs on catch efficiency. …”
Get full text
Article -
4915
A Teaching Experiment in Architectural Design Focused on Efficiency: A Study on the Active and Passive Methods of Site Information Acquisition
Published 2025-02-01“…It evaluates the impact of active vs. passive methods on students’ cognitive levels, using Bloom’s taxonomy, and quantitatively tests cognitive efficiency differences through the ROI model. Results show that combining both methods yields the highest teaching efficiency, with specific types of information corresponding to effective active or passive acquisition methods. …”
Get full text
Article -
4916
Synthesis and Characterization of Mixed Iron-Manganese Oxide Nanoparticles and Their Application for Efficient Nickel Ion Removal from Aqueous Samples
Published 2017-01-01“…Nanostructures, prepared by using different weight percents of manganese, were characterized by transmission electron microscopy, selected area diffraction, X-ray diffraction, Raman spectroscopy, and vibrating sample magnetometry. …”
Get full text
Article -
4917
-
4918
Effect of Substituent Groups on the Adsorption Efficiency of Phenols by Activated Carbon Developed by Hydrothermally Treated Phyllanthus Emblica Fruit Stone
Published 2024-11-01“…The adsorption process was explored and efficiently applied regarding the removal of phenols and substituted phenols from wastewater. …”
Get full text
Article -
4919
-
4920
Optimizing Nitrogen Use Efficiency and Yield in Winter Barley: A Three-Year Study of Fertilization Systems in Southern Germany
Published 2025-01-01“…Further research is needed to assess the performance of these fertilization systems under different conditions, such as sandy soils in regions with early-summer droughts or in systems involving organic fertilization.…”
Get full text
Article