Results 71 to 80 of about 4,670 (250)

Multifunctional CuFe₂O₄/rGO nanocomposites: Green synthesis, photocatalytic degradation of methyl violet, and electrochemical detection of Pb²⁺/Cd²⁺

open access: yesNext Nanotechnology
In this study, CuFe₂O₄ (CFO) was synthesized via a green combustion method using dry pineapple fronds as a natural fuel, while the CuFe₂O₄/reduced graphene oxide (CFO/rGO) nanocomposite was prepared through a reflux technique.
Firdous Nayeem   +2 more
doaj   +1 more source

Análisis in vitro de la influencia sobre el campo de flujo de dos modelos de válvulas cardiacas mecánicas bivalvas mediante un túnel de viento

open access: yesRevista Colombiana de Cardiología, 2011
Las prótesis valvulares cardiacas se evalúan mediante diferentes técnicas que involucran ensayos in vitro y métodos computacionales, además de los estudios clínicos convencionales.
John Bustamante, O., MD., PhD   +3 more
doaj   +1 more source

Impact of Co‐Morbid Immunocompromise in HPV‐Associated Oropharyngeal Squamous Cell Carcinoma

open access: yesThe Laryngoscope, EarlyView.
Among patients with surgically resected Human Papillomavirus positive (HPV+) oropharyngeal squamous cell carcinoma (OPSCC), immunocompromised patients had significantly worse overall survival compared to the non‐compromised group; however, these exploratory findings should be interpreted cautiously.
Maxwell L. Weng   +7 more
wiley   +1 more source

Precision Restoration to Minimize Soil Loss in a Watershed in the Atlantic Forest Domain

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT The Turvo River Watershed, located in the Zona da Mata region of Minas Gerais and part of the Doce River Basin, faces serious problems of erosion and soil degradation, which compromise and reduce the quality of local water resources. Given this scenario, it is essential to implement environmental recovery strategies that prioritize the ...
Rodrigo Nobre Santana   +6 more
wiley   +1 more source

Material characterization of SiC and AlO–reinforced hybrid aluminum metal matrix composites on wear behavior

open access: yesAdvanced Composites Letters, 2019
In the present investigation, wear test is conducted on a pin-on-disc device at room temperature for both the age hardening and without age hardening conditions. Al7075 has been chosen as the matrix material.
Rajesh AM   +3 more
doaj   +1 more source

Biochar‐Induced Shifts in Fungal Community Structure and Their Association With Soil Physical Properties in Degraded Soil From the Brazilian Semiarid

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Soil degradation compromises ecosystem functioning. Biochar, a carbon‐rich amendment, has gained attention as a promising strategy to enhance soil structure and restore microbial balance. This study investigated the effects of two biochars, cashew bagasse biochar (CBB) and a co‐pyrolyzed biochar produced from sewage sludge and cashew pruning ...
João Marcos Rodrigues dos Santos   +18 more
wiley   +1 more source

Exact Solutions of Linear Multiple Delay Partial Differential Equations

open access: yesMathematical Methods in the Applied Sciences, EarlyView.
ABSTRACT This paper develops an analytical framework for linear differential equations with multiple discrete delays. A new function, referred to as the multiple‐delay exponential function, is introduced, and some of its fundamental properties are established.
Stuart‐James M. Burney
wiley   +1 more source

Zbliżyć się do świata ciszy - elementy języka migowego w fakultecie specjalnościowym dla studentów pedagogiki

open access: yesForum Oświatowe, 2017
W ramach fakultetów specjalnościowych na Wydziale Pedagogiki i Psychologiiw pionie pedagogika w roku akademickim 2014/2015 uruchomionych zostało7 grup ćwiczeniowych (na 8 funkcjonujących) z przedmiotu „Zbliżyć się do świataciszy”– elementy języka ...
Krystyna Moczia
doaj  

At‐Home Versus in‐Clinic Vital Capacity Measurement: Insights From the HEALEY ALS Platform Trial

open access: yesMuscle &Nerve, EarlyView.
ABSTRACT Introduction/Aims Respiratory weakness, typically monitored as vital capacity (VC), is a central feature of amyotrophic lateral sclerosis (ALS). VC is increasingly measured remotely in participants' homes, although in‐clinic assessment remains the standard.
Eric A. Macklin   +269 more
wiley   +1 more source

Problemy organizacji kursów języka migowego

open access: yesForum Oświatowe, 2017
nie ...
Katarzyna Matysik
doaj  

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