Results 11 to 20 of about 2,671 (174)

Coronary artery anomalies in children: subtype classification, age of onset, clinical outcomes, and prognostic implications [PDF]

open access: yesBMC Pediatrics
Objective To investigate the clinical characteristics, treatment strategies, and prognostic outcomes of different coronary artery anomaly (CAA) subtypes in pediatric patients, with emphasis on risk stratification and the role of extracorporeal membrane ...
Weiqing Liu   +7 more
doaj   +2 more sources

Chelating Coordination Regulates Perovskite Crystallization and Defect Passivation in Sn-Pb Perovskite Solar Cells. [PDF]

open access: yesSmall
A chelating coordination strategy using ethylenediamine diacetate (EDDA) is introduced to regulate crystallization and passivate defects in Sn–Pb perovskite solar cells. Interfacial coordination at both buried and top surfaces suppresses Sn2+ oxidation, reduces defects, and enhances charge extraction, enabling over 23% efficiency with improved voltage,
Karim MA   +9 more
europepmc   +2 more sources

Echocardiographic diagnosis of interarterial AAOCA in children: a framework integrating anatomical landmarks and systolic dysfunction for risk assessment [PDF]

open access: yesBMC Cardiovascular Disorders
Background Anomalous aortic origin of coronary arteries (AAOCA) with interarterial course poses life-threatening risks in pediatric patients, yet standardized preoperative imaging protocols remain limited.
Rui Hu   +5 more
doaj   +2 more sources

Surgical treatment of anomalous aortic origin of the coronary artery in paediatric patients: a Chinese single-center experience [PDF]

open access: yesBMC Surgery
Purpose An anomalous aortic origin of the coronary artery (AAOCA) is a rare congenital heart disease. Some high-risk anatomical structures are at risk of inducing cardiogenic shock or even sudden death.
Kai Luo   +8 more
doaj   +2 more sources

A ALCA E OS TRABALHADORES

open access: yesTrabalho Necessário, 2004
Uma sigla tende cada vez mais a fazer parte do vocabulário e do cotidiano do sofrido povo latino-americano: Alca. Apresentada como irreversível pelo governo dos EUA, a Área de Livre Comércio das Américas, prevista para vigorar em 2005, afetará ...
Altamiro Borges
doaj   +3 more sources

Mercosul e Alca

open access: yesMeridiano 47, 2017
O presente artigo busca analisar as consequências advindas para o Mercosul da possível instauração da ALCA, e da possibilidade, ou não, da coexistência entre ambos os processos de integração.
Paulo Roberto Almeida
doaj   +2 more sources

MERCOSUR-ALCA

open access: yes, 2007
Este libro se basa en una investigación que los autores realizaran en el Instituto de Integración Latinoamericana de la Universidad Nacional de La Plata, en el marco del Programa de Incentivos al Docente-Investi- gador del Ministerio de Educación, Ciencia y Tecnología de la Nación. Teniendo en cuenta que la investigación concluyó en el mes de diciembre
exaly   +4 more sources

Diagnosis of Anomalous Origin of Left Main Coronary Artery from Right Sinus of the Valsalva Based on the “Seagull Sign” in Echocardiography: A Case Study [PDF]

open access: yesAdvanced Ultrasound in Diagnosis and Therapy, 2022
The anomalous origin of the left main coronary artery from the right sinus of the Valsalva (ALCA) is rare, and varies significantly in congenital heart disease.
Yun Zheng, MM, Shiwen Fu, MM, Wei Miao, MM, Shanshan Qu, MM, Junhua Wang, MM, Liping Guo, MM, Xihe Sun, MM
doaj   +1 more source

ALCA: NEGOCIACIONES Y ESTRUCTURAS

open access: yesAportes para la Integración Latinoamericana, 2017
La autora aborda el período de negociaciones del ALCA desde su lanzamiento en 1994 hasta la finalización de la etapa preparatoria. Describe –a partir de 1998- el curso de las negociaciones propiamente dichas. Explica y comenta la estructura del ALCA, sus
CLARA AMZEL DE GINZBURG
doaj   +1 more source

Design of Economical and Achievable Aluminum Carbon Composite Aerogel for Efficient Thermal Protection of Aerospace

open access: yesGels, 2022
Insulation materials play an extremely important role in the thermal protection of aerospace vehicles. Here, aluminum carbon aerogels (AlCAs) are designed for the thermal protection of aerospace.
Yumei Lv   +6 more
doaj   +1 more source

Home - About - Disclaimer - Privacy