Littérature scientifique sur le sujet « Taches satellites »
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Articles de revues sur le sujet "Taches satellites"
Chekchaki, Samir, Arifa Beddiar et Mohamed Djalil Zaafour. « Cartographie par télédétection des milieux envahis par Acacia mearnsii De Wild. dans l’extrême Nord-Est algérien ». BOIS & ; FORETS DES TROPIQUES 343 (14 janvier 2020) : 5–16. http://dx.doi.org/10.19182/bft2020.343.a31835.
Texte intégralBasir, Shahid, Tahir Khurshaid, Khurram Saleem Alimgeer, Madiha Akbar et Ali Nauman. « Tachism : Tri-Port Antenna with Triple Notching Characteristic and High Isolation System for MIMO Application ». Mathematics 10, no 23 (28 novembre 2022) : 4491. http://dx.doi.org/10.3390/math10234491.
Texte intégralKuz, Vladyslav. « risk management of critical information infrastructure : threats-vulnerabilities-consequences ». Theoretical and Applied Cybersecurity 5, no 2 (6 novembre 2023). http://dx.doi.org/10.20535/tacs.2664-29132023.2.280377.
Texte intégralThèses sur le sujet "Taches satellites"
Nominé, Anna V. « Synthesis of Bi₂O₂CO₃ nanosheets by electrical discharges in liquids for photocatalytic and nanoelectronic applications ». Electronic Thesis or Diss., Université de Lorraine, 2023. http://www.theses.fr/2023LORR0357.
Texte intégralThis work provides information on the synthesis of ultrathin nanosheets composed of Bi₂O₂CO₃, hereafter referred to as BOC. The synthesis is achieved through the rapid and straightforward technique known as Electrical Discharges in Dielectric Liquids (EDDL). To ensure the reproducibility of the synthesis, a pre-treatment method involving the etching of bismuth electrodes with Nital was employed. The chosen process entails initiating electrical discharges between these electrodes while submerged in either liquid nitrogen or water. Remarkably, both liquids produced identical nanostructures, a similarity validated by optical emission spectroscopy, which confirmed the metallic nature of the discharge in both environments. Following this stage, the nanosheets undergo rapid oxidation and carbonation upon exposure to air. The proposed growth mechanism is closely linked to the ledge mechanism, considering the presence of clearly visible kinks and jogs along the edges of the nanosheets. These two-dimensional nanostructures first emerge on the cathode's surface and then grow vertically. This anisotropic growth is made possible by ion assistance in regions that exhibit comb-like patterns formed during the chemical etching step, which is a necessary precondition for high reproducibility of the discharge process. Detailed crystallographic characterization of BOC nanosheets was achieved through a range of techniques, including Transmission Electron Microscopy (TEM), Scanning Transmission Electron Microscopy (STEM), High-Resolution TEM Transmission Electron Microscopy (HRTEM), Energy-Dispersive X-ray Spectroscopy (EDX), Selected Area Electron Diffraction (SAED), Convergent Beam Electron Diffraction (CBED), Energy Filtered Transmission Electron Microscopy (EFTEM), and Electron Energy-Loss Spectroscopy (EELS). The investigation reveals that the crystallographic structure of BOC conforms to the space group I4/mmm, with lattice parameters a=3.91 Å and c=13.77 Å, a determination that was confirmed by X-ray Diffraction (XRD). The study also clarifies the potential origin of satellite spots that are consistently observed in SAED patterns along the [001] zone axis. In this research, these spots were primarily attributed to two phenomena: multiple diffraction and local disorder-to-order transformations occurring within the BOC crystal structure. This transformation entails a transition from a body-centered tetragonal structure to a primitive Bravais lattice. To gauge their practical usefulness, we assessed the photocatalytic performance of BOC nanosheets synthesized using the EDDL method and found it to be consistent with BOC obtained through alternative methods. Furthermore, we explored the electronic performance of BOC with the goal of uncovering their potential in nanodevice applications
Meyer, Michel. « Contribution a l'etude de la structure et de l'organisation du rna-2 (isolat s) et des rna satellites de 5 isolats du tbrv ». Université Louis Pasteur (Strasbourg) (1971-2008), 1986. http://www.theses.fr/1986STR13091.
Texte intégralChapitres de livres sur le sujet "Taches satellites"
Nag, Sreeja, Jeffrey A. Hoffman et Olivier L. de Weck. « Collaborative and Educational Crowdsourcing of Spaceflight Software Using SPHERES Zero Robotics ». Dans Crowdsourcing, 726–51. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-8362-2.ch036.
Texte intégralSkrzypczyński, Piotr. « Practical Insights on Automotive SLAM in Urban Environments ». Dans Autonomous Mobile Mapping Robots [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.108262.
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