Showing 3,041 - 3,060 results of 4,366 for search '"optics"', query time: 0.10s Refine Results
  1. 3041

    Determination of mineral composition of traditional plant-based bicarbonates: A case study of Eicchornia crassipes, Elaeis guineensis, and Musa x paradisiaca by Exaucée Lukumu Mubenzem, Jean-Paul Mbo Nzundu, Clément Mutunda Mbadiko, Jean-Jacques Domondo Amogu, Gisèle Kafuti Makengo, Théophile Fundu Mbemba

    Published 2024-12-01
    “…Samples were analyzed using inductively coupled plasma optical emission spectrometry (ICP-OES). Data analysis revealed that these three types of traditional bicarbonate have notable mineral contents, with varying levels of calcium, sulfur, magnesium, iron, zinc, manganese, and copper. …”
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  2. 3042

    Preparation of Improved p-n Junction NiO/TiO2 Nanotubes for Solar-Energy-Driven Light Photocatalysis by Lan Ching Sim, Kai Wern Ng, Shaliza Ibrahim, Pichiah Saravanan

    Published 2013-01-01
    “…The finding shows that the loading of NiO did not influence the morphology, structure, and crystalline phase of TNTs but it exhibited significant effect on crystallite size and optical absorption properties. Further, the solar-energy-driven the photocatalytic activity of NiO/TNTs and pure TNTs was evaluated by degrading methylene blue (MB). …”
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  3. 3043

    Elasto-Thermodiffusion Modeling Using Optoelectronic Microtemperature Processes for a Ramp-Type Heating Nano-Semiconductor Material by M. Adel, Khaled Lotfy, Alaa El-Bary, M. Ahmed

    Published 2024-01-01
    “…The theory of photo-thermoelasticity describes how heating or elastic microstructure mechanical deformation can modify a material’s optical-thermal properties. This theory particularly highlights the effect of microtemperature on elasticity and efficient heat transport. …”
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  4. 3044

    Cellular Energy Absorbing TRIP-Steel/Mg-PSZ Composite: Honeycomb Structures Fabricated by a New Extrusion Powder Technology by Ulrich Martin, David Ehinger, Lutz Krüger, Stefan Martin, Thomas Mottitschka, Christian Weigelt, Christos G. Aneziris, Mathias Herrmann

    Published 2010-01-01
    “…Characterization of the microstructure in as-received and deformed conditions was carried out by optical and scanning electron microscopy. Magnetic balance measurements and electron backscatter diffraction (EBSD) were used to identify the deformation-induced martensite evolution in the cell wall material. …”
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  5. 3045

    A Systematic Review of Deep Learning Methods Applied to Ocular Images by Oscar Julian Perdomo Charry, Fabio Augusto González Osorio

    Published 2019-11-01
    “…In ophthalmology, deep learning methods have primarily been applied to eye fundus images and optical coherence tomography. On the one hand, these methods have achieved an outstanding performance in the detection of ocular diseases such as: diabetic retinopathy, glaucoma, diabetic macular degeneration and age-related macular degeneration.  …”
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  6. 3046

    Computational Studies on the Molecule 1-(2-Hydroxyethyl)-5-Fluorouracil in Gas Phase and Aqueous Solution and Prediction of Its Confinement inside Capped Nanotubes by Y. Tadjouteu Assatse, G. W. Ejuh, F. Tchoffo, J. M. B. Ndjaka

    Published 2019-01-01
    “…The predicted nonlinear optical (NLO) properties of the studied molecule are much greater than those of urea. …”
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  7. 3047

    A Precipitation Phenomenon of Titanium Compounds in Aluminum Melts and the Refinement Fading Mechanism of the Al-5Ti-0.62C Master Alloy by Wanwu Ding, Wenjun Zhao, Tiandong Xia

    Published 2015-01-01
    “…Scanning electron microscopy (SEM), X-ray diffraction (XRD), optical microscopy (OM), and other techniques were used to analyze the microstructure of the precipitates at the bottom of the samples so as to explore the fading mechanism of Al-Ti-C alloy refinement. …”
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  8. 3048

    Effect of the Boron Powder on Surface AISI W2 Steel: Experiments and Modelling by Marco Antonio Doñu Ruiz, David Sánchez Huitron, Ernesto David Garcia Bustos, Víctor Jorge Cortés Suárez, Noé López Perrusquia

    Published 2021-01-01
    “…The presence of boride was confirmed by optical microscopy, X-ray diffraction, and the distribution of alloy elements in boride layers with energy-dispersive spectrometry using scanning electron microscopy. …”
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  9. 3049

    Process Optimization for Development of Guar Gum-Based Biodegradable Hydrogel Film Using Response Surface Methodology by Junaid Aman, Navin Chandra Shahi, Umesh Chandra Lohani, Divya Balodhi, Rajat Singh, Naveen Kumar, Mohd Ishfaq Bhat, Avvaru Praveen Kumar

    Published 2022-01-01
    “…Results showed that a guar-gum-based biodegradable hydrogel film has adequate physical, optical, and biodegradable properties and can be successfully utilized in the food packaging industry.…”
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  10. 3050

    Analytical Analysis of Motion Separability by Marjan Hadian Jazi, Alireza Bab-Hadiashar, Reza Hoseinnezhad

    Published 2013-01-01
    “…A common approach to motion segmentation is to use the optical flow and formulate the segmentation problem using a linear approximation of the brightness constancy constraints. …”
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  11. 3051

    Progress on Waveguide-Integrated Graphene Optoelectronics by Jiaqi Wang, Zhenzhou Cheng, Xuejin Li

    Published 2018-01-01
    “…Graphene, a single layer of carbon atoms arranged in the form of hexagonal lattice, has many intriguing optical and electrical properties. However, due to the atomic layer thickness, light-matter interactions in the monolayer graphene are naturally weak when the light is normally incident to the material. …”
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  12. 3052

    An Overview of Human Pose Estimation Based on Wireless Signals by Yan CHEN, Rui ZHANG, Yadong LI, Ruiyuan SONG, Ruixu GENG, Hanqin GONG, Binquan WANG, Dongheng ZHANG, Yang HU

    Published 2025-02-01
    “…Human pose estimation holds tremendous potential in fields such as human-computer interaction, motion capture, and virtual reality, making it a focus in human perception research. However, optical image-based pose estimation methods are often limited by lighting conditions and privacy concerns. …”
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  13. 3053

    Management of Acute Posterior Multifocal Placoid Pigment Epitheliopathy (APMPPE): Insights from Multimodal Imaging with OCTA by Mariana A. Oliveira, Jorge Simão, Amélia Martins, Cláudia Farinha

    Published 2020-01-01
    “…Multimodal evaluation with fluorescein angiography, indocyanine green angiography, and spectral domain and optical coherence tomography angiography (OCTA) were consistent with the diagnosis of acute posterior multifocal placoid pigment epitheliopathy. …”
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  14. 3054

    Investigation of Two-Dimensional Viscoelastic Fluid with Nonuniform Heat Generation over Permeable Stretching Sheet with Slip Condition by Haroon Ur Rasheed, Zeeshan Khan, Saeed Islam, Ilyas Khan, Juan L. G. Guirao, Waris Khan

    Published 2019-01-01
    “…The uniqueness of our study is not only to analyze and carry out the effect of the elastic parameter but also to account for viscous dissipation which is important in the case of optically transparent flow. The novel effects for the parameters which affect the flow and heat transfer, such as the Eckert number, porous medium parameter, and the velocity slip parameter, are studied through graphs. …”
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  15. 3055

    Innovative soliton solutions for a (2+1)-dimensional generalized KdV equation using two effective approaches by Ibrahim Alraddadi, Faisal Alsharif, Sandeep Malik, Hijaz Ahmad, Taha Radwan, Karim K. Ahmed

    Published 2024-12-01
    “…Thus, in scientific domains such as fluid mechanics, plasma physics, and wave propagation in media ranging from ocean surfaces to optical fibers, our results are crucial to comprehend the principles behind the production and propagation of many complicated phenomena. …”
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  16. 3056

    Evaluations and calculations of neutron reactions on 238U up to 20 MeV by Yue Zhang, Ruirui Xu, Yuan Tian, Haicheng Wu, Xichao Ruan, Yinlu Han, Huanyu Zhang, Ping Liu, Xi Tao, Zhi Zhang, Changlin Lan, Xiaodong Sun, Yongli Jin, Nengchuan Shu, Jimin Wang, Xiaolong Huang, Zhigang Ge

    Published 2025-02-01
    “…Also, using existing optical model potential parameters, new theoretical calculations based on Hauser-Feshbach and pre-equilibrium model have been carried out. …”
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  17. 3057

    Model Calculation of Enhanced Light Absorption Efficiency in Two-Dimensional Photonic Crystal Phosphor Films by Taehun Kim, Sanghoon Lee, Kyungtaek Min

    Published 2024-12-01
    “…In this study, we modeled a two-dimensional (2D) PhC quantum dot (QD) film with a square-lattice structure using the finite-difference time-domain method to theoretically investigate its optical properties. The embedment of a thin-film layer with a high refractive index on the surface of the QD film enables an effective localization of excitation light within the phosphor. …”
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  18. 3058

    Heavy Metal Detoxification by Different Bacillus Species Isolated from Solar Salterns by Shameer Syed, Paramageetham Chinthala

    Published 2015-01-01
    “…Biosorption potential of each isolate was determined by Atomic Absorption Spectroscopy (AAS), Inductively Coupled Plasma-Optical Emission Spectroscopy (ICP-OES), and Energy Dispersive Spectroscopy (EDS) as the amount of metal present in the medium after the treatment with the isolates. …”
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  19. 3059

    Wireless Modular Implantable Neural Device with One‐touch Magnetic Assembly for Versatile Neuromodulation by Inho Kang, John Bilbily, Choong Yeon Kim, Chuanqian Shi, Manish K. Madasu, Eun Young Jeong, Kyle E. Parker, Do A Kwon, Bum‐Joon Jung, Jae‐Soon Yang, Juhyun Lee, Noah D.L. Kabbaj, Wonhee Lee, Jun‐Bo Yoon, Ream Al‐Hasani, Jianliang Xiao, Jordan G. McCall, Jae‐Woong Jeong

    Published 2025-01-01
    “…Leveraging the seamless exchange of neural interface modules such as optical stimulation, drug delivery, and electrical stimulation, MIND ensures functional adaptability, reusability, and scalability. …”
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  20. 3060

    Effect of Attapulgite Nanorods and Calcium Sulfate Microwhiskers on the Reaction-Induced Phase Separation of Epoxy/PES Blends by Xiaolin Tang, Xinhui Zhong, Guozhu Zhan, Yingfeng Yu, Hongdong Zhang

    Published 2013-01-01
    “…The influence of two kinds of mesoscale inorganic rod fillers, nanoscale attapulgite and micron-sized CaSO4 whisker, on the reaction-induced phase separation of epoxy/aromatic amine/poly- (ether sulfone) (PES) blends has been investigated by optical microscopy (OM), scanning electron microscopy (SEM), and time resolved light scattering (TRLS). …”
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