Results 21 to 30 of about 17,990 (247)

Factores de riesgo sociodemográficos y maternos asociados al retraso psicomotor en infantes menores de dos años en Tabasco

open access: yesRevista Ciencias de la Salud, 2020
Introducción: el adecuado desarrollo psicomotor en los primeros años de vida influye significativamente en el crecimiento de cada sujeto, por lo que la detección oportuna de factores de riesgo que lo afecten es de vital importancia.
Estefany Ramírez Pérez   +3 more
doaj   +1 more source

TÉCNICAS Y MÉTODOS DE INVESTIGACIÓN [PDF]

open access: yes, 2017
GUÍA DE EVALUACIÓN DEL ...
CRUZ MEDINA MARTHA BEATRIZ   +2 more
core   +1 more source

Clinical Practice Guideline for Evaluation and Management of Peripheral Nervous System Manifestations in Sjögren's Disease

open access: yesArthritis Care &Research, EarlyView.
Objective Sjögren's disease is an autoimmune disorder that can impact multiple organ systems, including the peripheral nervous system (PNS). PNS manifestations, which can exist concurrently, include mononeuropathies, polyneuropathies, and autonomic nervous system neuropathies.
Anahita Deboo   +88 more
wiley   +1 more source

Synchronisation of the superimposed training method for channel estimation in the presence of DC-offset [PDF]

open access: yes, 2005
The superimposed training method estimates the channel from the induced first-order cyclostationary statistics exhibited by the received signal.
Alameda-Hernandez, E.   +5 more
core  

Differential Item Functioning on the Patient Health Questionnaire 8 by Disease Subtype, Language, Sex, and Age Among People With Systemic Sclerosis: A Scleroderma Patient‐Centered Intervention Network Cohort Study

open access: yesArthritis Care &Research, EarlyView.
Objective Somatic items used in depression assessments can potentially overlap with symptoms related to physical illness, including systemic sclerosis (SSc). No studies have looked at whether somatic depression items may be influenced by diffuse versus limited SSc disease subtypes, which are associated with varying degrees of symptom presentation.
Sophie Hu   +110 more
wiley   +1 more source

Manejo del derrame pericárdico en el paciente con cáncer

open access: yesRevista Colombiana de Cirugía, 2019
Introducción. El derrame pericárdico es la complicación cardiaca más frecuente en el paciente con cáncer. El cáncer de pulmón y el cáncer de mama son las neoplasias sólidas más frecuentemente asociadas con derrame pericárdico. El manejo oncoló
Luis Alberto Chinchilla Trigos   +3 more
doaj   +1 more source

Land conflict in peri-urban areas: Exploring the effects of land reform on informal settlement in Mexico [PDF]

open access: yes, 2015
Peri-urban areas are often subject to intensive construction, through both formal and informal processes. As land transitions from rural to urban status, different land tenure and administration systems may come into conflict, leading to disputes ...
Almazán C   +37 more
core   +1 more source

Evaluación del potencial dendroclimático de Pinus lumholtzii B.L. Rob. & Fernald

open access: yesRevista Mexicana de Ciencias Forestales, 2017
Pinus lumholtzii se distribuye ampliamente en la Sierra Madre Occidental, en sitios con afloramiento de roca, por lo que sus anillos de crecimiento podrían ser sensibles a variables climáticas.
Martha Angel González Elizondo   +3 more
doaj   +1 more source

Current Tracking Adaptive Control of Brushless DC Motors

open access: yesInternational Journal of Adaptive Control and Signal Processing, EarlyView.
In this paper, the current tracking for Brushless Direct Current motors is approached considering uncertainty in the parameters of the motor's model. An adaptive control scheme to compensate electrical parameters uncertainty is proposed without requiring any knowledge of the mechanical parameters.
Fernanda Ramos‐García   +3 more
wiley   +1 more source

Diseño y construcción de un prototipo de robot con tres grados de libertad para posicionamiento de objetos [PDF]

open access: yes, 2018
Actualmente los cambios tecnológicos son cada vez más rápidos, influyendo en la tecnología que la industria salvadoreña utiliza, es por ello que en ITCA-FEPADE Sede Central se diseñó y construyó un prototipo de brazo robot con tres grados de libertad que
Hernández Ortiz, René Mauricio   +1 more
core  

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