Mostrando 561 - 580 Resultados de 6,796 Para Buscar 'niobio~', tiempo de consulta: 3.00s Limitar resultados
  1. 561
  2. 562
    “…Homogeneous thin-film lithium niobate is preferentially employed to build the suspended configuration for the acoustic resonant cavity, with the aim of improving the modulation efficiency of the device. …”
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  3. 563
  4. 564
    “…In this work, we present efficient SHG in highly engineerable semi-nonlinear waveguides consisting of electron-beam resist waveguides and thin-film silicon nitride (SiN)/lithium niobate (LN). By carefully designing octave-separating bound states in the continuum (BICs) for the nonlinear interacting waves in such a hybrid structure, we have simultaneously optimized the losses for both fundamental frequency (FF) and second harmonic (SH) waves and achieved modal phasing matching and maximized the nonlinear modal overlap between the FF and SH waves, which results in an experimental conversion efficiency up to 4.05% W(−1)cm(−2). …”
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  5. 565
    “…In this study, we report on the first experimental demonstration, analysis and modeling of hierarchical multi-period coupled longitudinal and transverse nanogratings in bulk lithium niobate inscribed in the focal region by 1030 nm, 300 fs laser pulses in the recently proposed sub-filamentary laser inscription regime. …”
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  6. 566
    por Tęcza, Grzegorz
    Publicado 2023
    “…Compared to the reference cast steel, the abrasive wear resistance of the tested cast chromium-nickel steel (measured in Miller test) with contents of 4.4 and 5.4 wt% Nb increased only slightly, i.e., by 5% for the lower niobium content and 11% for the higher niobium content. …”
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  7. 567
    “…The proposed IA Bioinformatics (IABio) database system is based on internet user authentication, which is a guideline for medical information standards, and uses OAuth 2.0 for access control technology. …”
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  8. 568
    “…Currently, less than 50% of the Iberian species are represented in BOLD. NEW INFORMATION: The InBIO Barcoding Initiative Database: contribution to the knowledge on DNA barcodes of Iberian Plecoptera dataset contains records of 71 specimens of Plecoptera. …”
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  9. 569
    por Cao, Chen
    Publicado 2022
    “…Therefore, this paper discussed the governance path of NIMBY from two dimensions: determining the boundaries of citizens' substantive environmental rights and interests for enhancing their sense of identity and protecting citizens' procedural environmental rights and interests by laying more emphasis on the sustainable governance of NIMBY movements.…”
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  10. 570
    por Zhao, Hui, Zhang, Mengran, Wang, Weihan
    Publicado 2022
    “…With the advancement of urbanization and the expansion of urban areas, NIMBY (not in my back yard) environmental public facilities are increasing day by day. …”
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  11. 571
  12. 572
  13. 573
  14. 574
    “…Superconducting niobium film cavities deposited on copper substrates (Nb/Cu) have suffered from strong field-dependent surface resistance, often referred to as the Q-slope problem, since their invention. …”
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  15. 575
  16. 576
    “…Point contact tunneling and low energy muon spin rotation are used to probe, on the same samples, the surface superconducting properties of micrometer thick niobium films deposited onto copper substrates using different sputtering techniques: diode, dc magnetron and HIPIMS. …”
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  17. 577
    “…In this study, the effect of niobium (Nb) metal nanoparticles at concentrations of 2, 4, 6, and 8 mg/mL on poly(3-hexylthiophene-2,5-diyl) (P3HT)-6,6]-phenyl C61-butyric acid methyl ester (PCBM) blends was analyzed. …”
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  18. 578
    “…And the effects of Yttrium and Niobium elements (Y(3+) and Nb(5+)) co-doping on the defect, phase and structure, microstructure, and comprehensive electrical properties have been investigated. …”
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  19. 579
    “…One-pot synthesis of niobium carbabide (NbC) nanoparticles with ca. 30–50 nm was achieved via a rationally designed novel alkali-molten salt method using niobium oxide (Nb(2)O(5)), potassium carbonate (K(2)CO(3)), and mesoporous carbon (MPC). …”
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  20. 580
    “…In this work, we transfer a nanowire quantum dot onto a bulk lithium niobate substrate and show that its emission can be dynamically tuned by acousto-optical coupling with surface acoustic waves. …”
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