Results 21 to 30 of about 759,541 (219)

Experimental characterization of Spherical Bragg Resonators for electromagnetic emission engineering at microwave frequencies

open access: yesScientific Reports, 2023
This work reports experimental investigation and numerical validation of millimeter-sized Spherical Bragg Resonators (SBRs) fabricated using 3D printing technology. The frequency dependencies of the reflection and transmission coefficients were analyzed,
Yalina García-Puente   +2 more
doaj   +1 more source

Perceived changes among second-stage agriculture teachers following a professional development experience in Ecuador

open access: yesAdvancements in Agricultural Development, 2020
This qualitative case study sought to explore changes in the perceptions of second stage (years 4-10) school based agricultural education teachers (SBAE) following a professional development experience in Ecuador.
Erin K. Gorter   +4 more
doaj   +1 more source

Approaches to the treatment of upper respiratory tract infections in patients with allergic diseases

open access: yesМедицинский совет, 2015
The incidence of both acute and chronic infectious diseases causing inflammation of the mucous membranes in the upper respiratory tract has grown worldwide.
Y. A. Gornostaeva
doaj   +1 more source

How and why adults use cannabis during physical activity

open access: yesJournal of Cannabis Research, 2022
Background With increased legalization of cannabis, users are combining cannabis with exercise. The purpose of this study is to understand how and why people use cannabis when participating in physical activity.
Whitney L. Ogle   +3 more
doaj   +1 more source

MACHINE LEARNING FOR THE DOCUMENTATION, PREDICTION, AND AUGMENTATION OF HERITAGE STRUCTURE DATA [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2023
The paper presents an effort to develop learning models based on the massive amounts of data that has been accumulated over the past decades during the process of digital documentation of heritage structures around the globe especially those in disaster ...
S. Rihal, H. Assal
doaj   +1 more source

Influence of clustering pre-processing on genetically generated fuzzy knowledge bases

open access: yesComputer Assisted Methods in Engineering and Science, 2022
Automatic knowledge base generation using techniques such as genetic algorithms tend to be highly dependent on the quality and size of the learning data.
Aleksander Przybylo   +3 more
doaj  

Attraction to conspecific social-calls in a migratory, solitary, foliage-roosting bat (Lasiurus cinereus)

open access: yesScientific Reports, 2022
As a migratory, cryptic, foliage-roosting bat with a mostly solitary roosting behavior we have an incomplete understanding of the social behavior of the hoary bat, Lasiurus cinereus.
Gabriel A. Reyes, Joseph M. Szewczak
doaj   +1 more source

Multifunctional Leaky-Wave Antenna With Tailored Radiation and Filtering Characteristics Based on Flexible Mode-Control Principle

open access: yesIEEE Open Journal of Antennas and Propagation, 2021
In this paper, a class of single-layered multifunctional leaky-wave antennas (LWAs) with flexibly engineered radiation and filtering characteristics are proposed and demonstrated for microwave and millimeter-wave applications.
Dongze Zheng, Ke Wu
doaj   +1 more source

Organoids in pediatric cancer research

open access: yesFEBS Letters, EarlyView.
Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley   +1 more source

Reciprocal control of viral infection and phosphoinositide dynamics

open access: yesFEBS Letters, EarlyView.
Phosphoinositides, although scarce, regulate key cellular processes, including membrane dynamics and signaling. Viruses exploit these lipids to support their entry, replication, assembly, and egress. The central role of phosphoinositides in infection highlights phosphoinositide metabolism as a promising antiviral target.
Marie Déborah Bancilhon, Bruno Mesmin
wiley   +1 more source

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