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109 resultados encontrados.

Tipos de recurso: Libro electrónico Artículo Revista Tesis Capítulo
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Pattern-tunable synthetic gauge fields in topological photonic graphene
Artículo
Material complementario disponible Artículo DOAJ
Huang Zhen-Ting et al · Wiley · 2022 · ISSN 2192-8614
We propose a straightforward and effective approach to design, by pattern-tunable strain-engineering, photonic topological insulators supporting high quality factors edge states. Chiral strain-engineering creates opposit...
LCC TENDOlBoeXNpY3M~Idioma eng
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Material complementario
Patterns and controls of above‐ground net primary production in meadows of Patagonia. A remote sensing approach
Artículo
Material complementario disponible Artículo CONICET Digital
Irisarri, Jorge Gonzalo Nicolás et al · Wiley Blackwell Publishing, Inc · 2011 · ISSN 1100-9233
Questions: (1) Can above-ground net primary production (ANPP) of Patagonian meadows be estimated from remote sensing? (2) How does ANPP of Patagonian meadows change in space and time? Location: Northwestern Patagonia, me...
Idioma eng
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Material complementario
Analysis of artificial opals by scanning near field optical microscopy
Artículo
Acceso abierto Artículo CONICET Digital
Barrio, J. et al · American Institute of Physics · 2011 · ISSN 0021-8979
Herein we present a detailed analysis of the optical response of artificial opal films realized employing a near-field scanning optical microscope in collection and transmission modes. Near-field patterns measured at the...
Idioma eng
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Open Access
Quantum Particle Swarm Optimization for Synthesis of Non-uniformly Spaced Linear Arrays with Broadband Frequency Invariant Pattern
Artículo
Acceso abierto Artículo DOAJ
Hemant Patidar et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
Abstract This paper describes a method using Quantum Particle Swarm Optimization to obtain a broadband frequency invariant pattern for synthesis of nonuniformly spaced linear array of isotropic antennas. Two cases relate...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access
3-D near-field imaging of guided modes in nanophotonic waveguides
Artículo
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Ziegler Jed I. et al · Wiley · 2017 · ISSN 2192-8614
Highly evanescent waveguides with a subwavelength core thickness present a promising lab-on-chip solution for generating nanovolume trapping sites using overlapping evanescent fields. In this work, we experimentally stud...
LCC TENDOlBoeXNpY3M~Idioma eng
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Open Access
Contribution to ionospheric F2 region long-term trend studies through seasonal and diurnal pattern analysis
Artículo
Acceso abierto Artículo CONICET Digital
Durán, Trinidad et al · Elsevier Science · 2023 · ISSN 0921-8181
The ionosphere´s long-term trends have been studied since 1989, with a particular focus on the F2 region´s parameters due to their importance in space weather and radio signal propagation research. The accuracy and att...
Idioma eng
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Open Access
Daily pattern of oviposition and fecundity in Anopheles pseudopunctipennis Theobald, the main vector of malaria in Mexico
Artículo
Acceso abierto Artículo DOAJ
Cuauhtémoc Villarreal-Treviño et al · BMC · 2026 · ISSN 1475-2875
Abstract Background Anopheles pseudopunctipennis is the primary malaria vector in Mexico and is widely distributed nationwide. Understanding its developmental biology is crucial for interrupting malaria transmission. Met...
LCC TENDOkFyY3RpYyBtZWRpY2luZS4gVHJvcGljYWwgbWVkaWNpbmU~; TENDOkluZmVjdGlvdXMgYW5kIHBhcmFzaXRpYyBkaXNlYXNlcw~~Idioma eng
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Localizing nanoscale objects using nanophotonic near-field transducers
Artículo
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Wolterink Tom A. W. et al · Wiley · 2021 · ISSN 2192-8606
We study how nanophotonic structures can be used for determining the position of a nearby nanoscale object with subwavelength accuracy. Through perturbing the near-field environment of a metasurface transducer consisting...
LCC TENDOlBoeXNpY3M~Idioma eng
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Open Access
Selective Deposition of Charged Droplets for Programmable and Rewritable Printing of Patterned Microstructure Arrays
Artículo
Material complementario disponible Artículo DOAJ
Yuechen Pei et al · Wiley · 2026 · ISSN 2198-3844
ABSTRACT Patterned microstructure arrays are widely used in flexible electronics, optics, and biosensing, yet fabrication still relies on costly, process‐intensive methods (e.g., photolithography) with limited reconfig...
LCC TENDOlNjaWVuY2U~Idioma eng
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Wideband Pattern Reconfigurable Printed-Yagi Antenna Array Based on Feed Structure
Artículo
Acceso abierto Artículo DOAJ
Fukun Sun et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
Abstract A pattern reconfigurable antenna array with two elements is designed in this paper. The antenna element is made up of a printed Yagi and feed structure with variable phase. By changing the states of diodes in th...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access
Far-field disentanglement of modes in hybrid plasmonic-photonic crystals by fluorescence nano-reporters
Artículo
Acceso abierto Artículo DOAJ
Ungureanu Simona et al · Wiley · 2013 · ISSN 2192-8606
In this paper, the resonance modes exhibited by a hybrid nanostructure have been disentangled in the far-field owing to narrow-band fluorescence nano-reporters. Hybrid plasmonic-photonic crystals were fabricated using la...
LCC TENDOlBoeXNpY3M~Idioma eng
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Open Access
ANALISIS PERFORMANSI ANTENA YAGI-UDA 11 ELEMEN SEBAGAI PENGUAT SINYAL GLOBAL SYSTEM FOR MOBILE COMMUNICATION (GSM)
Artículo
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Tanridio Silviati Delfina Abdurrahman et al · Department of Electrical Engineering, Faculty of Engineering, Universitas Khairun · 2018 · ISSN 2354-8924
Limited telecommunication network services, even for 2G technology, in some regions due to living in small islands, range of hills and blank spot areas are experienced in Indonesian Republic. One of solutions is proposed...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access
Characterization of essential oils of ten eucalyptus species grown in the greenhouse and in the field
Artículo
Material complementario disponible Artículo DOAJ
Mayara Rodrigues et al · Springer Nature · 2026 · ISSN 3005-1207
Abstract Essential oils from Eucalyptus species have broad use in various sectors of health, agriculture, and other industries. This study aimed to identify the predominant constituents in essential oils extracted from l...
LCC TENDOlBsYW50IGN1bHR1cmU~; TENDOkJvdGFueQ~~Idioma eng
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Material complementario
Direct electron beam patterning of electro-optically active PEDOT:PSS
Artículo
Material complementario disponible Artículo DOAJ
Doshi Siddharth et al · Wiley · 2024 · ISSN 2192-8614
The optical and electronic tunability of the conductive polymer poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) has enabled emerging applications as diverse as bioelectronics, flexible electronics, a...
LCC TENDOlBoeXNpY3M~Idioma eng
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Ecophysiological mechanisms underlying the positive relationship between seed protein concentration and yield in soybean under field heat and drought stress
Artículo
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Ergo, Verónica Vanesa et al · Wiley Blackwell Publishing, Inc · 2024 · ISSN 0931-2250
A positive relationship between protein concentration and yield has been documented in different combinations of genotype and environment, often under potential conditions. However, the ecophysiological bases underlying ...
Idioma eng
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Open Access
Effect of magnetic field on the steady nanofluid flow past obstacle
Artículo
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Yacine Khelili et al · Vasyl Stefanyk Carpathian National University · 2021 · ISSN 1729-4428
The fluid flow and heat transfer of a nanofluid past a circular cylinder in a rectangular duct under a strong transverse magnetic field is studied numerically using a quasitwo-dimensional model. Transition from laminar f...
LCC TENDOlBoeXNpY3M~Idioma eng
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Light-mediated self-organization of sunflower stands increases oil yield in the field
Artículo
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López Pereira, Mónica et al · National Academy of Sciences · 2017 · ISSN 7975-7980
Here, we show a unique crop response to intraspecific interference, whereby neighboring sunflower plants in a row avoid each other by growing toward a more favorable light environment and collectively increase production...
Idioma eng
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Open Access
Mapping the landscape of emotional intelligence research: a bibliometric analysis of trends, patterns, and future directions
Artículo
Material complementario disponible Artículo DOAJ
Saikalyani Rana et al · Springer · 2026 · ISSN 2731-5525
Abstract Emotional intelligence is widely used to refer to the capacity to perceive, assess, and manage one’s and others’ emotions to attain personal and collective goals. This study aims to identify current and emer...
LCC TENDOkVkdWNhdGlvbg~~Idioma eng
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Parameter optimization and field application of roof volume fracturing using horizontal wells for coalbed methane extraction from broken-soft coal seams
Artículo
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Qingli ZHANG et al · Editorial Office of Coal Geology & Exploration · 2026 · ISSN 1001-1986
Objective and MethodTo achieve rapid coalbed methane (CBM) extraction from broken-soft coal seams using surface horizontal wells, this study proposed a volume fracturing technology for coal seam roof using horizontal wel...
LCC TENDOkdlb2xvZ3k~; TENDOk1pbmluZyBlbmdpbmVlcmluZy4gTWV0YWxsdXJneQ~~Idioma zho
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Reversible 2D Phase Transition Driven By an Electric Field: Visualization and Control on the Atomic Scale
Artículo
Material complementario disponible Artículo CONICET Digital
Wortmann, B. et al · American Chemical Society · 2016 · ISSN 1530-6984
We report on a reversible structural phase transition of a two-dimensional system that can be locally induced by an external electric field. Two different structural configurations may coexist within a CO monolayer on Cu...
Idioma eng
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Switching between monocot and dicot crops in rotation schemes of Argentinean productive fields results in an increment of arbuscular mycorrhizal fungi diversity
Artículo
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Albarracín Orio, Andrea Georgina et al · Elsevier Science · 2016 · ISSN 0929-1393
Despite the importance of mycorrhizal symbiosis, we understand little how different soil managements affect arbuscular mycorrhizal fungi (AMF) communities. Crop rotation is recommended in sustainable agriculture because ...
Idioma eng
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Open Access
White finishing of the Potala Palace: material system, deterioration patterns and considerations for sustainable conservation
Artículo
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Yuheng Wu et al · SpringerOpen · 2026 · ISSN 2662-6802
Abstract The Potala Palace is among the most important historical structures in Tibet and features massive stone masonry walls finished with various earthen slurries. Among them, the white exterior finish—commonly know...
LCC TENDOkFyY2hpdGVjdHVyZQ~~Idioma eng
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CO diffusion patterns and ventilation control in underground powerhouse of hydropower stations with mixed ventilation
Artículo
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ZHOU Junru et al · Emergency Management Press · 2026 · ISSN 2096-2193
Toxic gases released during drilling and blasting operations in underground powerhouse of hydropower stations pose a serious threat to the safety of super-large cavern construction. This study takes the Level Ⅳ main pl...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground construction; TENDOk1pbmluZyBlbmdpbmVlcmluZy4gTWV0YIdioma eng
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Nulls and side lobe levels control in a time modulated linear antenna array by optimizing excitations and element locations using RGA
Artículo
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Bipul Goswami et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
In this paper a novel approach based on the Real coded Genetic Algorithm (RGA) is proposed to improve nulling performance as well as suppression of Side Lobe Level (SLL) of a Time Modulated Linear Antenna Arrays (TMLA). ...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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