Showing 3,741 - 3,760 results of 4,366 for search '"optics"', query time: 0.07s Refine Results
  1. 3741

    Accuracy comparison of Elamn and Jordan artificial neural networks for air particular matter concentration (PM 10) prediction using MODIS satellite images, a case study of Ahvaz. by javad sadidi, hani rezayan, Mohammad reza barshan

    Published 2017-12-01
    “…The used parameters are relative humidity, air pressure, and temperature and aerosol optical depth. The latter one is extracted from MODIS sensor images and air pollution monitoring stations. …”
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  2. 3742

    POLITICS OF CONTEMPORARY “SILK ROADS” by A. I. Litvinov

    Published 2016-08-01
    “…This project is not only the creation of a transport, power and trade corridor, and also the project which will promote development of tourism in the region and to strengthening of cultural exchanges of China with the countries of Central Asia, it also includes construction of a network of high-speed fiber-optical networks. The economic strip of the Silk Road will begin in China and pass across the Central and the Southern Asia, part of branches across the territory of the Russian Federation and to leave to Europe. …”
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  3. 3743

    Motion Measurement and Analysis of Different Instruments for Single-Incision Laparoscopic Surgery by Kunyong Lyu, Lixiao Yang, Chengli Song

    Published 2022-01-01
    “…Instrument positions were measured by an optical tracking system. The inserted length and pivoting angles were derived via MATLAB. …”
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  4. 3744

    Identification and Characterization of Black Carbon Aerosol Sources in the East Baltic Region by Steigvilė Byčenkienė, Vidmantas Ulevicius, Vadimas Dudoitis, Julija Pauraitė

    Published 2013-01-01
    “…The largest ash plume (in terms of aerosol optical thickness) over Lithuania was observed at May 24/25, 2011. …”
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  5. 3745

    Peran Narrow Band-Imaging pada Karsinoma Nasofarings by Priyanto ., Camelia Herdini

    Published 2015-01-01
    “…Narrow-band imaging, is a non-invasive diagnostic technique, which uses optical technique and special long wave blue filter, that will increase the sensitivity of the nasoendoscopy in the diagnosis of NPC by observing the changes in vascularisation, especially in exophitic growth. …”
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  6. 3746

    Evaluation of Salivary Nickel, Chromium and Iron Ions in Patients Treated with Fixed Orthodontic Appliances in Vivo Study by Dilpak Khursheed Hamad, Bayan Abdulla Hassan

    Published 2018-12-01
    “…Level of ions in salivary samples was analyzed by Inductively Coupled Plasma̸ Optical EmissionSpectrometry. Ions recorded in parts per billion. …”
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  7. 3747

    DEVELOPMENT AND USE OF THE COMPETITIVE ELISA-BASED TEST SYSTEM FOR DETECTION OF ANTIBODIES TO GROUP A ROTAVIRUS IN LIVESTOCK SERA by O. P. Bjadovskaya, Ye. A. Bukhon, A. A. Nesterov

    Published 2018-04-01
    “…The development of competitive ELISA-based test-system included selection of optimal blocking buffer composition as well as optimal antigen dilution, specific hyperimmune serum and anti-species conjugate. Admissible optical density values of control sera and cut-off values were determined. …”
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  8. 3748

    Measuring Setup for Investigation and Visualization of the Percolation Phenomenon in Non-Оrdered Models of Metal-Dielectric Nanocomposites by P. Okal

    Published 2020-09-01
    “…The communication between the measuring probe and the voltmeter was made in digital technology with the use of fiber optic technology, which allowed the meter to communicate with the computer without any errors and eliminated the interference caused by a strong electromagnetic field resulting from the use of high voltage.Systems modelling metal-dielectric composites were built, consisting of metallic elements in the form of disks, randomly distributed on the surface of the dielectric matrix. …”
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  9. 3749

    Aerosol layer height (ALH) retrievals from oxygen absorption bands: intercomparison and validation among different satellite platforms, GEMS, EPIC, and TROPOMI by H. Kim, H. Kim, X. Chen, X. Chen, J. Wang, J. Wang, J. Wang, J. Wang, Z. Lu, Z. Lu, Z. Lu, M. Zhou, G. R. Carmichael, G. R. Carmichael, S. S. Park, J. Kim

    Published 2025-01-01
    “…We use the extinction-weighted aerosol optical centroid height (AOCH) derived from aerosol extinction profiles of Cloud-Aerosol Lidar with Orthogonal Polarization (CALIOP) as the ground truth. …”
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  10. 3750

    DC-DC Boost Converter Design With Analog Feedback Control for Cryogenic Applications by Danilo Santoro, Niccolo Gallice, Marco Bassani, Paolo Cova, Nicola Delmonte, Massimo Lazzaroni, Valeria Trabattoni, Andrea Zani

    Published 2025-01-01
    “…Instead, the power is provided through optical fibers using Power over Fiber (PoF) technology. …”
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  11. 3751

    Properties of κ‐Ga2O3 Prepared by Epitaxial Lateral Overgrowth by Alexander Polyakov, In‐Hwan Lee, Vladimir Nikolaev, Aleksei Pechnikov, Andrew Miakonkikh, Mikhail Scheglov, Eugene Yakimov, Andrei Chikiryaka, Anton Vasilev, Anastasia Kochkova, Ivan Shchemerov, Alexey Chernykh, Stephen Pearton

    Published 2025-01-01
    “…Low concentration Sn doping results in net donor concentrations of ≈ 1013 cm−3, and deep trap spectra determined by electron traps at EC‐0.5 eV, and deep acceptors with an optical ionization threshold near 2 and 3.1 eV. Treatment of the samples in hydrogen plasma at 330 °C increases the donor density near the surface to ≈ 1019 cm−3. …”
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  12. 3752

    The Prevalence and Distribution of Vitreoretinal Interface Abnormalities among Urban Community Population in China by Lei Liu, Song Yue, Jingyang Wu, Jiahua Zhang, Jie Lian, Desheng Huang, Weiping Teng, Lei Chen

    Published 2015-01-01
    “…The presence of VIAs was determined by standardized grading of macular optical coherence tomography (Optovue OCT; Optovue, Inc., Fremont, CA) scans and two-field fundus photographs in at least one eye. …”
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  13. 3753

    Advancing neutron imaging techniques to highest resolution with fluorescent nuclear track detectors by Abdul Muneem, Junya Yoshida, Takehiko R. Saito, Hiroyuki Ekawa, Masahiro Hino, Katsuya Hirota, Go Ichikawa, Ayumi Kasagi, Masaaki Kitaguchi, Kenji Mishima, Jameel-Un Nabi, Manami Nakagawa

    Published 2025-01-01
    “…The measured resolution was 0.887 ± 0.009 $$\upmu$$ m, which is the 1 $$\sigma$$ 10–90% edge response obtained using optical images of the fluorescent nuclear track detectors.…”
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  14. 3754

    Invasive and Ultrasound Based Monitoring of the Intracranial Pressure in an Experimental Model of Epidural Hematoma Progressing towards Brain Tamponade on Rabbits by Konstantinos Kasapas, Angela Diamantopoulou, Nicolaos Pentilas, Apostolos Papalois, Emmanuel Douzinas, Gregorios Kouraklis, Michel Slama, Abdullah Sulieman Terkawi, Michael Blaivas, Ashot Ernest Sargsyan, Dimitrios Karakitsos

    Published 2014-01-01
    “…An experimental epidural hematoma model was used to study the relation of ultrasound indices, namely, transcranial color-coded-Doppler (TCCD) derived pulsatility index (PI), optic nerve sheath diameter (ONSD), and pupil constriction velocity (V) which was derived from a consensual sonographic pupillary light reflex (PLR) test with invasive intracranial pressure (ICP) measurements. …”
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  15. 3755

    Aerosols over the Foothills of the Eastern Himalayan Region during Post-monsoon and Winter Seasons by Sishir Dahal, Dipesh Rupakheti, Ram Kumar Sharma, Binod Kumar Bhattarai, Bhupesh Adhikary

    Published 2022-03-01
    “…Abstract In this study a Microtops II sunphotometer is used for the first time over Birtamode, a rapidly growing city located in the eastern Himalayan foothills of Nepal, to measure aerosol optical depth (AOD). The average AOD for the observation period (October 2018–February 2019) was 0.68 ± 0.39 with the post-monsoon season having a higher value (0.74 ± 0.43) compared to the winter season (0.60 ± 0.32). …”
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  16. 3756

    Demise of Kreutz Sungrazing Comet C/2024 S1 (ATLAS) by David Jewitt, Jane Luu, Jing Li

    Published 2025-01-01
    “…We present observations from 0.9 to 0.4 au using the Nordic Optical Telescope showing that (1) nucleus disintegration was ongoing already at 0.7 au pre-perihelion, (2) the activity varied unpredictably with distance, and (3) the nucleus radius was  <600 m (red geometric albedo 0.04 assumed). …”
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  17. 3757

    Assessing Macrophyte and Ecosystem Service Changes in Shallow Eutrophic Coastal Waters Using Remote Sensing Methods by Johanna Schumacher, David Horn, Gabriela Escobar-Sánchez, Greta Markfort, Gerald Schernewski, Mario von Weber

    Published 2024-12-01
    “…Reliable data from SENTINEL-2 were only obtained in optically shallow waters and could therefore only be used as proxy indicators to assess changes at a water body level. …”
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  18. 3758

    A Study on the Classification of Atopic Dermatitis by Spectral Features of Hyperspectral Imaging by Eun Bin Kim, Yoo Sang Baek, Onseok Lee

    Published 2025-01-01
    “…Hyperspectral cameras can detect optical signals to simultaneously generate morphological information and collect spatial information. …”
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  19. 3759

    Interfacial Microstructure and Cladding Corrosion Resistance of Stainless Steel/Carbon Steel Clad Plates at Different Rolling Reduction Ratios by Jie Chen, Yixin Zhu, Xia Chen, Xiaoli Ma, Bin Chen

    Published 2024-12-01
    “…Optical microscope (OM), energy dispersive spectrometer (EDS), electron backscatter diffractometer (EBSD), electrochemical test, and transmission electron microscope (TEM) were employed to conduct interface microstructure observation and cladding corrosion resistance analysis on 304 SS/CS clad plates that have four different reduction ratios. …”
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  20. 3760

    Earth Detecting Earth: At What Distance Could Earth’s Constellation of Technosignatures Be Detected with Present-day Technology? by Sofia Z. Sheikh, Macy J. Huston, Pinchen Fan, Jason T. Wright, Thomas Beatty, Connor Martini, Ravi Kopparapu, Adam Frank

    Published 2025-01-01
    “…We evaluate the maximum distance of detectability for various present-day Earth technosignatures—radio transmissions, atmospheric technosignatures, optical and infrared signatures, and objects in space or on planetary surfaces—using only present-day Earth instruments, providing one of the first fully cross-wavelength comparisons of the growing toolbox of SETI techniques. …”
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