Results 51 to 60 of about 803,000 (313)

Megavoltage photon FLASH for preclinical experiments

open access: yesMedical Physics, EarlyView.
Abstract Background FLASH radiotherapy using megavoltage (MV) photon beams should enable greater therapeutic efficacy, target deep seated tumors, and provide insights into mechanisms within FLASH. Purpose In this study, we aim to show how to facilitate ultra‐high dose rates (FLASH) with MV photons over a field size of 12–15 mm, using a 6 MeV (nominal ...
Edward R. J. F. Taylor   +3 more
wiley   +1 more source

Relationship of mild fatty liver, b-carotene, vitamins a and e status of periparturient holstein cows

open access: yesRevista Científica, 2010
The objectives of this study were to determine the association between mild fatty liver and b-carotene (BC), retinol (ROL), and a-tocopherol (AT) status.
Oswaldo Rosendo   +5 more
doaj  

Las bioeconomías de la provisión de óvulos en Estados Unidos y en España: una comparación de los mercados médicos y las implicaciones en la atención a las donantes

open access: yesRevista de Antropología Social, 2018
Los sistemas reguladores que controlan la reproduccion con la participacion de terceros determinan el modo en que las personas que donan materiales y trabajo reproductivos –ovulos, esperma y servicios de gestacion subrogada– son escogidas y compensadas ...
Diane M. Tober, Vincenzo Pavone
semanticscholar   +1 more source

Developing epidemiological preparedness for a plant disease invasion: Modelling citrus huánglóngbìng in the European Union

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Huánglóngbìng (HLB) is a bacterial disease of citrus that has significantly impacted Brazil and the United States, although citrus production in the Mediterranean Basin remains unaffected. By developing a mathematical model of spread in Spain, we tested surveillance and control strategies before any future HLB entry in the EU.
John Ellis   +9 more
wiley   +1 more source

Effect of bovine Somatotropin (bST) on peripubertal growth rates of Holstein heifers fed two planes of nutrition

open access: yesRevista Científica, 2010
Three groups of Holstein heifers were utilized (N = I,39; II,63; III, 183) for growth rates of about 0.675 (control) or 0.900 (high) kg/d from 50 or 90 to 365 days of age.
A. Garcia Gavidia   +5 more
doaj  

Industrial Development, Poverty Reduction, and Inequality: A Robustness Test Using Nighttime Lights in Vietnam

open access: yesSustainable Development, EarlyView.
ABSTRACT This paper examines the interplay between sectoral growth compositions, initial inequality, and poverty reduction in Vietnam during the 2000s, utilizing disaggregated provincial‐level data. The analysis focuses on the differential impacts of industrial and agricultural sector growth on poverty alleviation while also assessing the moderating ...
Takahiro Yamada, Christian S. Otchia
wiley   +1 more source

Identifying the social dominance order in a mixed breed herd: A practical methodology

open access: yesRevista Científica, 2010
The major objective of this study was to identify a simple and accurate method of assessing differences in female social status. Three methods of estimating dominance value (DV) were compared in beef cows of three breed-types; Angus (A; n=10 ...
Antonio Landaeta Hernández   +5 more
doaj  

Reconocimiento facial para el encendido automático de vehículos basado en Raspberry Pi

open access: yesRevista Odigos, 2020
En el presente trabajo se desarrolla una aplicación de reconocimiento facial para el encendido automatico de vehículos. Esta aplicación se construye utilizando como plataforma de hardware Raspberry Pi y OpenCV como almanenamiento de imágenes.
Alex V. Nuñez, Liliana N. Nuñez
doaj   +1 more source

Estados Unidos da América [PDF]

open access: yes, 2011
Este capítulo analisa as grandes matrizes que vêm orientando a política externa dos Estados Unidos da América (EUA), centrando-se nos períodos de Guerra Fria e da chamada "Nova Ordem Mundial" que se lhe seguiu.
openaire   +2 more sources

Shots at school? Public attitudes about vaccination services in school‐based health centers

open access: yesWorld Medical &Health Policy, Volume 17, Issue 1, Page 149-166, March 2025.
Abstract Vaccination rates have dropped across the United States. Vaccination hesitancy plays a major role in this development, but access barriers are also a contributing factor. Access barriers are particularly prevalent among marginalized populations.
Simon F. Haeder
wiley   +1 more source

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