Results 1 to 10 of about 76 (59)

FEA model study of spectral signature patterns of PM demagnetisation faults in synchronous PM machines

open access: yesThe Journal of Engineering, 2019
This work reports a finite element analysis (FEA) model study of the stator current spectra of a commercial permanent magnet (PM) AC machine operating with rotor PM demagnetisation faults.
Juan I. Melecio   +2 more
doaj   +2 more sources

Prevalence and Risk Factors of Anaplasmosis in Simmental Cattle in the Peruvian Amazon

open access: yesVeterinary Medicine International
Anaplasmosis, transmitted biologically and mechanically, is one of the most prevalent diseases responsible for high production costs worldwide. In this research, the prevalence and risk factors of anaplasmosis in Simmental cattle raised in the Peruvian ...
Hugo Frias   +7 more
doaj   +2 more sources

Molecular evidence and ecological niche modeling reveal an extensive hybrid zone among three Bursera species (section Bullockia).

open access: yesPLoS ONE, 2021
The genus Bursera, includes ~100 shrub and trees species in tropical dry forests with its center of diversification and endemism in Mexico. Morphologically intermediate individuals have commonly been observed in Mexican Bursera in areas where closely ...
Eduardo Quintero Melecio   +3 more
doaj   +2 more sources

An investigation into the vertical structures of low‐altitude atmosphere over the Central Taklimakan Desert in summer

open access: yesAtmospheric Science Letters, Volume 22, Issue 9, September 2021., 2021
There is an obvious diurnal transition in lower layers near the ground over the Central Taklimakan Desert. A clear presence of the superadiabatic layer is obvious in the daytime, and an apparent inversion layer forms in the nighttime. Abstract In this study, 1‐month continuous radiosonde observational data were applied to present the low‐altitude ...
Jinfang Yin   +3 more
wiley   +1 more source

Impactos de la contaminación de microcuencas en Huánuco sobre la calidad de vida de los pobladores

open access: yesInvestigación Valdizana, 2022
Huánuco se ubica en el centro de Perú. En su entorno está bañando por tres cuencas como el Marañón, Huallaga y Pachitea, que a su vez reciben el tributo de sus aguas de un conjunto de microcuencas, como la Nupe, Murmunya, Lauricocha, Carhuacocha ...
Nicéforo Bustamante-Paulino   +1 more
doaj   +1 more source

Análisis de control de inventarios en la microempresa Muelles Melecio

open access: yesRevista de Operaciones Tecnologicas, 2019
The administration of an inventory implies saying how much material is needed and when to place orders, receive, store and keep the record, since the main objective is to keep costs low and keep enough finished products for sales. The inventory represents one of the most important investments of the companies in relation to the rest of their assets ...
Ana Luisa Olvera-Montoya   +1 more
openaire   +2 more sources

Análisis de funciones matemáticas usando la primera y segunda derivada en estudiantes de Matemática y Física de la UNHEVAL

open access: yesInvestigación Valdizana, 2021
La finalidad del estudio fue probar la efectividad de la aplicación de la primera y segunda derivada para analizar las funciones matemáticas en los futuros docentes de Matemática y Física de la UNHEVAL; para ello, se hizo un estudio de tipo causa-efecto ...
Melecio Paragua-Morales   +3 more
doaj   +3 more sources

Contexto y contenido del presente número

open access: yesRevista de Fomento Social, 2008
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Melecio Agúndez Agúndez
doaj   +1 more source

LA REGULACIÓN DEL SINDROME DE ALIENACIÓN PARENTAL EN EL ORDENAMIENTO JURÍDICO PERUANO

open access: yesRevista de Derecho, 2022
El Síndrome de Alienación Parental en el área de Derecho y Psicología es una problemática muy frecuente que consiste en un cuadro clínico asociado a una patología en la salud mental del alienado, el cual manifiesta una conducta de rechazo hacia el ...
Liliana Rosa Carlos Gutierrez   +2 more
doaj   +1 more source

The Operation of UAV Propulsion Motors in the Presence of High External Magnetic Fields

open access: yesRobotics, 2021
The operation and maintenance of converter stations (also known as valve halls) in high voltage DC (HVDC) grids is a key element in long-term, reliable and stable operation, especially in inherently adverse offshore environments.
Mohammad Heggo   +6 more
doaj   +1 more source

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