Results 101 to 110 of about 669,388 (296)

Técnicas quirúrgicas utilizadas en la corrección del entropión

open access: yesMultimed, 2017
RESUMEN En las personas de edad avanzada, el entropión generalmente se produce por un espasmo muscular y el debilitamiento de los tendones cantales que sostienen el párpado. Las técnicas quirúrgicas en la cirugía del entropión varían según la etiología
Elizabeth Remón Reyes   +4 more
doaj  

Dual‐Mode Type I/II Photosensitization of a Stable Mesoporous Hydrogen‐Bonded Organic Framework for Antibacterial Therapy

open access: yesAdvanced Science, EarlyView.
A π‐conjugated donor–acceptor PDI monomer undergoes hydrogen‐bonded self‐assembly to form a robust mesoporous framework. The ordered molecular arrangement promotes efficient intersystem crossing and charge separation, leading to simultaneous Type I and Type II reactive oxygen species generation with a high singlet oxygen quantum yield.
Yi‐Lun Cheng   +10 more
wiley   +1 more source

Zero bias transformation and asymptotic expansions II : the Poisson case [PDF]

open access: yes, 2009
We apply a discrete version of the methodology in \cite{gauss} to obtain a recursive asymptotic expansion for $\esp[h(W)]$ in terms of Poisson expectations, where $W$ is a sum of independent integer-valued random variables and $h$ is a polynomially ...
Jiao, Ying
core   +4 more sources

Modulating the Charge Transfer Channels via Constructing Charge‐Assisted Hydrogen‐Bonded Organic Frameworks for Enhanced Photosynthesis of Hydrogen Peroxide

open access: yesAdvanced Science, EarlyView.
This work reports a strategy of engineering charge‐assisted hydrogen bonds to tailor charge transfer channels in HOFs, significantly improving their performance in photocatalytic H2O2 production. ABSTRACT The production of H2O2 via artificial photosynthesis is often limited by inefficient charge‐carrier separation, causing significant charge ...
Yajun Zhao   +7 more
wiley   +1 more source

Etmoiditis complicada con celulitis orbitaria. Presentación de un caso.

open access: yesMultimed, 2017
RESUMEN Introducción: la inflamación unilateral de un párpado supone un motivo de consulta pediátrica relativamente frecuente. Este signo puede deberse a múltiples causas entre las que se encuentran la celulitis preseptal y la celulitis orbitaria ...
Alianna Méndez Peláez   +4 more
doaj  

Current challenges in criminal investigation for police officers

open access: yesBoletim IBCCRIM
El texto pretende presentar al lector la esencia de la investigación criminal como abordaje del fenómeno criminal y los retos o desafíos que implican para las policías, dentro de un contexto de evolución criminal.
Esp. Gabriel Riveros
doaj   +1 more source

An evolutionary approach to anomalous intuition [PDF]

open access: yes, 2011
Intuition has always been associated with a hint of the anomalous, with credible examples of intuitive knowledge that appear to arise from the future or from distant locations without sensory mediation.
Broughton, Richard S
core  

Solution‐Processed Nickel Oxide as Efficient Hole Transport Layers in Inverted Perovskite Solar Cells

open access: yesAdvanced Science, EarlyView.
This review summarizes recent advances in four mainstream solution‐based techniques for synthesizing NiOx hole‐transport layers for high‐performance perovskite photovoltaic cells, and highlights the key challenges and future prospects for achieving high efficiency, long‐term stability, and low‐cost perovskite photovoltaic technologies toward ...
Zheng Wu   +7 more
wiley   +1 more source

Implementation of a new bi-directional solar modelling method for complex facades within the ESP-r building simulation program [PDF]

open access: yes, 2009
This paper provides an overview of a new method for modelling the total solar energy transmittance. It is implemented in the ESP-r building simulation program to model complex façades such as double glazed façades with external, internal or integrated ...
Frontini, Francesco   +4 more
core  

Janus‐Type Electrostatic Potential Gradient‐Activated Dynamic Zn2+‐Coordinating Nitrogen Sites in Molecularly Locked Nanocellulose Separators for Stable Zinc‐Ion Batteries

open access: yesAdvanced Science, EarlyView.
A multifunctional benzimidazole‐terminated CNF separator is constructed via a PEI‐mediated covalent locking strategy, generating dense zincophilic sites that accelerate Zn2+ transport and desolvation while enabling uniform Zn (002) deposition and suppressing side reactions.
Jie Liang   +17 more
wiley   +1 more source

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