Results 21 to 30 of about 15,185 (222)

Valores de la constante B del método de resistencia de polarización para veinte sistemas metal-medio diferentes

open access: yesRevista de Metalurgia, 1996
En una investigación sobre las posibilidades de aplicación de las técnicas electroquímicas a pie de obra, se utilizaron los métodos de resistencia de polarización y de intersección, sobre pequeñas probetas en el laboratorio, como procedimientos de ...
J. A. González, J. Albéniz, S. Feliu
doaj   +1 more source

An Innovative Approach to ECG Ventricular Activity Suppression in Persistent Supraventricular Tachycardia [PDF]

open access: yes
Supraventricular tachycardia (SVT) is a common arrhythmia affecting the heart upper chambers, causing symptoms like palpitations and dizziness, and potentially leading to clot formation.
Gimeno Blanes, Francisco Javier   +5 more
core   +1 more source

Ventricular Fibrillation Dynamics: Manifold Learning and Neural Network Approach [PDF]

open access: yes
Ventricular Fibrillation (VF) is a critical cardiac arrhythmia characterized by rapid and irregular heartbeats, often leading to sudden cardiac death.
Gimeno Blanes, Francisco Javier   +6 more
core   +1 more source

The Effect of Conductivity Values on Activation Times and Defibrillation Thresholds [PDF]

open access: yes, 2016
Uncertainty in the input parameters used in simulation studies needs to be taken into account when evaluating the results produced. This work considers the effect of using various sets of bidomain conductivity values in two simulations: firstly ...
Barnes, Josef P   +2 more
core   +1 more source

‘They are not predators: They are a higher power’—Relational values and principles framing human–predator relationship in Noongar Country, Southwestern Australia

open access: yesPeople and Nature, EarlyView.
Abstract Human–predator coexistence presents urgent conservation challenges that demand approaches extending beyond mere conflict mitigation. Indigenous knowledge systems, though historically marginalised by Western science, offer vital insights into ethical, sustainable relationships with nature.
Rocío Almuna   +12 more
wiley   +1 more source

Lámina de cinc y disolución de sulfato de cobre (II) [PDF]

open access: yes, 2016
El video muestra un experimento de una reacción de oxidación - reducción que se produce cuando una lámina de cinc esta en contacto con una solución de sulfato de cobre.
Díaz Escalera, Manuel
core  

Using generalised polynomial chaos to examine various parameters in a half-ellipsoidal ventricular model of partial thickness ischaemia [PDF]

open access: yes, 2017
Elevation and depression in the ST segment of the electrocardiogram is commonly used as part of a diagnosis of myocardial ischaemia, although there is not yet a clear correlation between these observations and partial thickness ischaemia.
Barbara Johnston   +5 more
core   +1 more source

Obstructive Sleep Apnea Detection Methods Based on Heart Rate Variability Analysis: Opportunities for a Future Cinc Challenge [PDF]

open access: yes, 2020
[EN] The effects of sleep-related disorders, such as obstructive sleep apnea (OSA), can be devastating either in children or adults. Misdiagnosis may lead to severe cardiovascular diseases.
Alcaraz, Raul   +4 more
core   +1 more source

Unpacking the task of synthesis when weaving knowledge systems for biodiversity assessments

open access: yesPeople and Nature, EarlyView.
Abstract The pivot towards evidence‐based conservation since 2000 has inspired global environmental assessments to gather evidence across multiple knowledge systems, including through co‐production with Indigenous Peoples and local communities. Knowledge co‐production is highlighted as a strategy for transformative change towards a just future that ...
Maria Tengö   +7 more
wiley   +1 more source

How accurately can the method of fundamental solutions solve the inverse problem of electrocardiology? [PDF]

open access: yes, 2017
This study presents a detailed comparison between the Method of Fundamental Solutions (MFS) approach to solving the inverse problem of electrocardiology and a more conventional boundary element method (BEM) approach.
Johnston, Peter   +2 more
core   +1 more source

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