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Dynamic Characteristics and Mechanism of the Saturated Compacted Loess under Freeze-Thaw Cycles
Published 2021-01-01“…The pore and particle fractal dimensions continue to decrease. The probability of entropy increases first and then decreases. It is illustrated that the saturated loess has mainly experienced three steps under freeze-thaw cycles: (1) fracture and expansion of original skeleton cementation, (2) damage, crushing and aggregation of the particle, and (3) compaction and reorganization of soil structure. …”
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1202
The use of low-density EEG for the classification of PPA and MCI
Published 2025-02-01“…Utilizing the Relative Wavelet Entropy method, we derived (i) functional connectivity, (ii) graph theory metrics and extracted (iii) various energy rhythms. …”
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1203
Green Synthesis of Nanostructure CeO2 Using Tea Extract: Characterization and Adsorption of Dye from Aqueous Phase
Published 2021-01-01“…The thermodynamic parameters, including the changes in Gibb’s free energy, enthalpy, and entropy, suggested that the adsorption of CR on the synthesized CeO2 sample was a spontaneous and endothermic process.…”
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1204
Fast Skyline Community Search in Multi-Valued Networks
Published 2020-09-01“…To improve computation efficiency, we then propose a dimension reduction based algorithm, called P-MICS, using the maximum entropy method. Our algorithm can significantly reduce the skyline community searching time, while is still able to find almost all cohesive skyline communities. …”
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1205
Clinical code usage in UK general practice: a cohort study exploring 18 conditions over 14 years
Published 2022-07-01“…Three measures of diversity (Shannon entropy index of diversity, richness and evenness) were used to quantify changes in incident and total clinical codes.Results Overall, all examined conditions, except LD, showed positive monotonic correlation. …”
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1206
The superiority of veno-arterial over veno-venous extracorporeal membrane oxygenation for operative support of lung transplantation
Published 2025-01-01“…To address potential selection bias, we employed entropy weighted inverse probability of treatment weighting (IPTW-EW). …”
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1207
Enhancing furcation involvement classification on panoramic radiographs with vision transformers
Published 2025-01-01“…Results Among the evaluated models, the ViT model outperformed all others, achieving the highest precision (0.98), recall (0.92), and F1 score (0.95), along with the lowest cross-entropy loss (0.27) and the highest accuracy (92%). …”
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1208
Annual change in the distribution and landscape health of mangrove ecosystems in China from 2016 to 2023 with Sentinel imagery
Published 2025-01-01“…To evaluate the landscape health of mangrove reserves, various landscape pattern metrics were synthesized into the Landscape Health Composite Index through the application of the entropy weight method. Among the 37 natural reserves, 27 of them exhibited an upward trend in landscape health, with the most significant improvements observed in the Taishan Zhenhai Bay Mangrove Nature Reserve. …”
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1209
Pengamanan Citra Digital Menggunakan Kriptografi DnaDan Modified LSB
Published 2024-12-01“…Hasil pengujian menunjukkan kualitas enkripsi yang sangat baik, dengan nilai NPCR ≥ 98%, UACI ≥ 30%, koefisien korelasi ≃ 0, entropi ≃ 8, dan histogram yang datar (flat). Kualitas stego-image optimal dicapai dengan penyisipan satu bit pada saluran RGB, menghasilkan PSNR ≥ 50dB. …”
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1210
The Ethical Challenges of Gamification in Iran: Uncovering the Dark Side
Published 2024-06-01“…In the second stage, a quantitative approach, specifically Shannon's entropy method, was utilized to rank and prioritize the ethical challenges of gamification. …”
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1211
ϵ-Confidence Approximately Correct (ϵ-CoAC) Learnability and Hyperparameter Selection in Linear Regression Modeling
Published 2025-01-01“…The proposed approach, denoted by <inline-formula> <tex-math notation="LaTeX">$\epsilon $ </tex-math></inline-formula>-Confidence Approximately Correct (<inline-formula> <tex-math notation="LaTeX">$\epsilon $ </tex-math></inline-formula>-CoAC), utilizes the conventional Kullback-Leibler divergence (relative entropy) and defines new related typical sets to develop a unique method of probabilistic statistical learning for practical regression learning and generalization. …”
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1212
The ENaC taste receptor’s perceived mechanism of mushroom salty peptides revealed by molecular interaction analysis
Published 2025-01-01“…The salty peptide binding to the SCNN1α receptor was an entropy-driven reaction, while to SCNN1β and SCNN1γ was an enthalpy-driven reaction. …”
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1213
A comprehensive analysis of the uterine microbiome in endometrial cancer patients - identification of Anaerococcus as a potential biomarker and carcinogenic cofactor
Published 2025-01-01“…In vitro experiments were conducted to assess the functional impact of Anaerococcus on human uterine fibroblasts, including its ability to adhere to the human cells and induce oxidative stress.ResultsThe α-diversity metrics, including Shannon entropy and observed amplicon sequence variants (ASVs), revealed significantly higher microbial diversity in EC samples compared to EM. …”
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HCG 57: Evidence for Shock-heated Intergalactic Gas from X-Rays and Optical Emission Line Spectroscopy
Published 2025-01-01“…We also confirm the previously reported ∼1 keV intra-group medium and find it to be relaxed with a low central entropy (18.0 ± 1.7 keV cm ^2 within 20 kpc) but a long cooling time (5.9 ± 0.8 Gyr).…”
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1216
Critical raw material-free multi-principal alloy design for a net-zero future
Published 2025-01-01“…Abstract Refractory High-Entropy Alloys (RHEAs), such as NbMoTaW, MoNbTaVW, HfNbTaZr, Re0.1Hf0.25NbTaW0.4, Nb40Ti25Al15V10Ta5Hf3W2, Ti x NbMoTaW (x = 0, 0.25, 0.5, 0.75 and 1), and 3d transition metal HEAs such as Al10.3Co17Cr7.5Fe9Ni48.6Ti5.8Ta0.6Mo0.8W0.4 have demonstrated superior performance compared to traditional superalloys, particularly in high-temperature applications for engine components. …”
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1217
Metal-free production of natural blue colorants through anthocyanin–protein interactions
Published 2025-02-01“…In contrast, malvidin-3-glucoside, with two methoxyl substituents, achieved blue coloration through interactions with HSA or BSA, where entropy change played significant roles. Conclusion: Our work, for the first time, demonstrates the remarkable capability of widely distributed 3-glucoside ACNs to generate diverse blue shades through interactions with certain proteins. …”
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Tea Stem as a Sorbent for Removal of Methylene Blue from Aqueous Phase
Published 2019-01-01“…Evaluation of thermodynamic parameters including changes in enthalpy, entropy, and Gibb’s free energy indicated the adsorption mechanism between MB and tea stem powder was a spontaneous and exothermic process. …”
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Uncertainty quantification in multi-parametric MRI-based meningioma radiotherapy target segmentation
Published 2025-01-01“…This uncertainty is quantified on a pixel-wise basis using entropy calculations and aggregated through Otsu’s method for a final segmentation.Results/conclusionThe SPU-Net model poses an advantage over traditional U-Net models by providing a quantitative method of displaying segmentation uncertainty. …”
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A dehazing and enhancement algorithm for heterogeneous images of underground mining environments in coal mines
Published 2025-01-01“…The results indicate that compared to the above novel and excellent algorithms in terms of their optimal indicators, the proposed algorithm exhibited that: (1) The average gradients were approximately twice those obtained by CEEF, suggesting elevated image clarity. (2) The average information entropy decreased by approximately 1% compared to that of MRP, implying more information preserved. (3) The standard deviation increased by approximately 6% on average compared to OSFD, representing improved image contrast. (4) The average fog aware density evaluator (FADE) value by approximately 23% compared to CEEF, implying an effective reduction in the haze Therefore, the proposed algorithm can effectively improve the visual effects and quality of blurred images of underground mining environments in coal mines, exhibiting high utility in engineering.…”
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