Doping
Libro elettronico
Libro elettronico
Materie / parole chiave: Deportes y Recreación; General
Idioma Español
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Doping en el deporte
Libro elettronico
Libro elettronico
Materie / parole chiave: Deportes y Recreación; General
Idioma Español
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InstitucionalDoping effects on electrical and dynamical characteristics of GaAs / AlGaAs quantum cascade laser
Articolo
Articolo
Abstract A theoretical analysis of the doping density level influence on the output characteristics of GaAs/Al0.45Ga0.55As triple quantum well QCL emitting at (=9 m) is presented. The employed theoretical model was...
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Open AccessDoping of porous activated carbon with Er, a metal with a high electronic states density
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Articolo
The effect of doping porous carbon material (PCM) with erbium, as a metal with a high density of electronic states, on the electrochemical properties of PCM was investigated. It was established that the optimal concentra...
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Open AccessBand structure tuning of g-C3N4 via sulfur doping for broadband near-infrared ultrafast photonic applications
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Articolo
Graphitic carbon nitride (g-C3N4) featuring a stable heptazine ring structure and high polymerization degree, was indexed as a high thermochemical stability material, attracting rising research enthusiasm for diverse app...
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Material complementarioEngineering Optical Activity of Semiconductor Nanocrystals via Ion Doping
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Articolo
Controlling the strength of enantioselective interaction of chiral inorganic nanoparticles with circularly polarized light is an intrinsically interesting subject of contemporary nanophotonics. This interaction is relati...
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Open AccessGa Doping Enables Precision Alloy‐to‐Wire Regulation: Synergistic Enhancement of the Mechanical Properties of CuSn Alloy and the Superconducting Properties of Nb3Sn
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Articolo
ABSTRACT Cu–Sn alloy is a key raw material used in the preparation of Nb3Sn superconducting wires using the bronze method. The mechanical properties of this Cu–Sn alloy are directly responsible for determining the pr...
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Material complementarioModeling of diffusion motion of In nanoparticles in a CdTe crystal during laser-induced doping
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Articolo
In order to solve the problem of the ohmic contact between the crystal surface and the metal electrode in the manufacturing process of the X/γ-ray detector, this paper uses a laser to probe the doping process of In/CdTe...
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Open AccessModulation of surface phonon polaritons in MoO3 via dynamic doping of SiC substrate
Articolo
Articolo
Polar biaxial crystals with extreme anisotropy hold promise for the spatial control and the manipulation of polaritons, as they can undergo topological transitions. However, taking advantage of these unique properties fo...
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Material complementarioPractical steps to develop a transcriptomic test for blood doping
Articolo
Articolo
Blood doping remains a significant problem that threatens the integrity of sport. The current indirect method for detecting blood doping involves the longitudinal measurement of an athlete’s haematological variables an...
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Open AccessPreparation and study of the effect of binary doping on the electrical and optical properties of polyamide
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Articolo
The study included three stages, the first stage is to prepare the monomer (basic unit Nʹ,N di-Asetil benziden) and the second stage is preparing the polyamide and third stage is doping the polymer single doping by ...
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Open AccessStimulation of the metal doping process of nanoporous carbon material by laser irradiation
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Articolo
It has been established that the doping of activated carbon material with chromium and manganese increases the specific capacitance of storage devices based on the charge-discharge mechanism of a double electric layer (D...
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Open AccessThe negative implications of Russia’s doping scandal on the country’s international image
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Articolo
In December 2014, Russia was accused of developing a state-organized doping system in the second decade of the twenty-first century. The scandal resulted in many Russian athletes being banned from competing in the Olympi...
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Open AccessThe role of high-resolution mass spectrometry in advancing the detection of SARMs and peptide hormones for sports antidoping
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Articolo
The relentless pursuit of athletic excellence is shadowed by the equally persistent evolution of performance-enhancing drugs (PEDs). In recent years, the antidoping landscape has been profoundly shaped by the rise of two...
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Material complementarioThermo-emf anisotropy and thermoefficiency parameter of the elastically deformed germanium and silicon with different doping levels
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Articolo
The thermo-emf anisotropy and the thermoefficiency parameter are the most important characteristics that determine the suitability of thermoelectrically anisotropic materials for their practical use. Such characteristics...
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Open AccessUnolympic Unionism or Apocryphal Olympism? Ideas for future anti-doping governance
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Articolo
This article aims to present ideas for future anti-doping governance by considering the relative merits of trade union-based athlete representation (ATU) as opposed to the current system of so-called athletes’ commissi...
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Open AccessEffect of tin doping on thin SrCo2O4 layers properties prepared by Sol-gel Dip-coating technique
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Articolo
Tin doped SrCo2O4 thin films at 0%, 3% and 5% on "pyrex" glass substrates have been prepared by Sol-gel Dip-coating method. In both cases cobalt nitrate, strontium nitrate and tin chloride were used as cobalt and stronti...
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Open AccessReconfigurable epsilon-near-zero metasurfaces via photonic doping
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Articolo
The next generation of flat optic devices aspires to a dynamic control of the wavefront characteristics. Here, we theoretically investigated the reconfigurable capabilities of an epsilon-near-zero (ENZ) metasurface augme...
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Open AccessTailoring the microstructure, optical, and magnetic characteristics of Co0.6Zn0.4Fe2O4 nanoferrites through Ni²⁺–Al³⁺ co-doping
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Articolo
Abstract Herein, Ni²⁺–Al³⁺ co-doped Co0.6−xZn0.4−xNixAlxFe2O4 (0 ≤ x ≤ 0.08) nanoferrites were synthesized via a co-precipitation route to elucidate the role of defect engineering and cation redis...
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Open AccessAssociação entre proteínas do plasma seminal, motilidade e viabilidade espermática em coelhos submetidos a doping genético
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Articolo
Neste trabalho foi estudada a correlação entre o perfil proteico do plasma seminal e a motilidade e viabilidade espermática em coelhos submetidos ao tratamento com vetores de expressão contendo o gene da eritropoetin...
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Open AccessAssociação entre proteínas do plasma seminal, motilidade e viabilidade espermática em coelhos submetidos a doping genético Association among seminal plasma proteins, sperm motility and sperm viability in rabbits submitted to gene doping
Articolo
Articolo
Neste trabalho foi estudada a correlação entre o perfil proteico do plasma seminal e a motilidade e viabilidade espermática em coelhos submetidos ao tratamento com vetores de expressão contendo o gene da eritropoetin...
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Open AccessCurrent Response Enhancement According to the Doping Anion’s Nature in Redox Polyelectrolyte─Enzyme Assemblies
Articolo
Articolo
High-power density output in enzymatic fuel cells is a key feature to reduce the size of self-powered implantable medical devices. Electron transfer mediated through redox polyelectrolytes allows the transport of electro...
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Material complementarioEffect of Al doping on optical properties of ZnO thin films: theory and experiment
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Articolo
The structural, electronic, and optical properties of zinc oxide thin films with Al-doping have been investigated experimentally and with density functional theory (DFT) calculations. Changes in properties of doped thin ...
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Open AccessEffect of Pr-doping on structural, electrical, thermodynamic, and mechanical properties of BaCeO3-d as proton conductor
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Articolo
The effect of partial substitution of Ce by Pr ions in BaCe1−xPrxO3−δ (0 ≤ x ≤ 0.8) perovskite was studied to improve the proton conductor capability, including transport and mechanical properties, thermodynamic...
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Open Access