Unit Operation
Mostrando 13-24 de 203 artigos, teses e dissertações.
-
13. STUDENTS BUILDING DIDACTIC EXPERIMENTS AS A TOOL FOR TEACHING UNIT OPERATIONS AND PROCESS CONTROL FOR CHEMISTRY TECHNICIANS
The qualified preparation of technician chemistry students who will act directly in the operation and control of industrial chemical plants is a permanent challenge in the teaching-learning process, since such activities require a broad view of the process and a sum of knowledge’s areas such as unit operations, instrumentation and industrial process contro
Quím. Nova. Publicado em: 21/10/2019
-
14. Early Outcomes of Low Postoperative Bleeding after Off-Pump Coronary Artery Bypass Grafting
Abstract Objective: To investigate whether low bleeding influences the early outcomes after off-pump coronary artery bypass grafting (CABG). Methods: Retrospective analysis of ischemic heart disease patients who underwent off-pump CABG from January 2013 to December 2017. Patients were divided into low-bleeding group (n=659) and bleeding group (n=270), acco
Braz. J. Cardiovasc. Surg.. Publicado em: 26/08/2019
-
15. Risk Factors for Major Adverse Events after Surgical Closure of Ventricular Septal Defect in Patients Less than 1 Year of Age: A Single-Center Retrospective
Abstract Objective: To reveal the risk factors that can lead to a complicated course and an increased morbidity in patients < 1 year old after surgical ventricular septal defect (VSD) closure. Methods: We reviewed a consecutive series of patients who were admitted to our institution for surgical VSD closure who were under one year of age, between 2015 and
Braz. J. Cardiovasc. Surg.. Publicado em: 22/07/2019
-
16. A criação do serviço social autônomo do Instituto Hospitalar de Base como novo modelo de gestão hospitalar do Distrito Federal, Brasil
Resumo A rede de saúde pública do Distrito Federal, como de resto todo o Sistema Único de Saúde, padece de ineficiências relacionadas à dificuldade de contratação e gestão de profissionais, bem como de realização de contratos para abastecimento e manutenção. Em Brasília, implantou-se em 2018 um novo modelo de gestão em seu maior hospital. Com
Ciênc. saúde coletiva. Publicado em: 27/06/2019
-
17. Outcomes of the Conversion of the Fontan-Kreutzer Operation to a Total Cavopulmonary Connection for the Failing Univentricular Circulation
Resumo Fundamento: O procedimento de Fontan-Kreutzer (FK) foi amplamente realizado no passado, mas a longo prazo gerou muitas complicações, resultando em falha na circulação univentricular. A conversão para conexão cavopulmonar total (CCPT) é uma das opções de tratamento. Objetivo: Avaliar os resultados da conversão de FK para CCPT. Métodos: Re
Arq. Bras. Cardiol.. Publicado em: 2019-02
-
18. Conceitos básicos de radiômetros de substituição elétrica para medidas da Irradiância Solar Total
Resumo A irradiância solar total (TSI) é definida como a energia emitida pelo Sol por unidade de área e recebida pela Terra. Durante muitos anos essa energia foi considerada constante, no entanto, hoje se sabe que há variações em diferentes escalas de tempo. A medição do valor absoluto da TSI precisar ser realizada em ambiente extraterrestre devido �
Rev. Bras. Ensino Fís.. Publicado em: 07/01/2019
-
19. Early Clinical Results of Perceval Sutureless Aortic Valve in 139 Patients: Freeman Experience
Abstract Objective: The aim of this retrospective study is to evaluate the safety and performance of the Perceval sutureless valve in patients undergoing aortic valve replacement. We report the 30-day clinical outcomes of 139 patients. Methods: From January 2014 to December 2016, 139 patients underwent sutureless aortic valve replacement. Their operation n
Braz. J. Cardiovasc. Surg.. Publicado em: 2018-02
-
20. Low cost system to measure active power in electrosurgical units
Abstract Introduction: The real-time measurement of active power delivered to patients during the electrosurgical act is still an engineering challenge. Besides, there is no electrosurgical unit on the market capable of doing it according to the normative requirement. Methods This work presents the design of an electronic structure capable to probe the ele
Res. Biomed. Eng.. Publicado em: 09/11/2017
-
21. EFFECTIVE POWER AND HOURLY FUEL CONSUMPTION DEMANDED BY SET TRACTOR- COFFEE HARVESTER IN FUNCTION OF ADEQUACY TRACTOR BALLASTING
ABSTRACT: The mechanized gathering process of sweeping coffee is extremely important to reduce the losses of fruit not used in the harvesting operation. But this operation usually has a low operational performance and a high cost per unit collected in this way any measures that can effectively reduce costs increase the viability of the operation. In this sen
Eng. Agríc.. Publicado em: 2017-08
-
22. Peratrial Device Closure of Atrial Septal Defect Under Transesophageal Echocardiographic Guidance without Fluoroscopy Compared to Conventional On-Pump Surgical Closure
Abstract Objective: This study is designed to evaluate the advantages between peratrial device closure under transesophageal echocardiographic guidance and open heart surgery in atrial septal defect. Methods: From November 2011 to September 2014, 28 patients with atrial septal defect were treated. Fourteen patients received peratrial device closure under t
Braz. J. Cardiovasc. Surg.. Publicado em: 2017-02
-
23. Evaluation of Anomalous Coronary Arteries from the Pulmonary Artery
Abstract Objective: This study evaluated clinical and diagnostic findings, treatment methods, and follow-up of cases of anomalous coronary arteries from the pulmonary artery. Methods: The study included all cases diagnosed with anomalous coronary arteries from the pulmonary artery between January 2012 and January 2016. Data from patients’ demographic cha
Braz. J. Cardiovasc. Surg.. Publicado em: 2017-02
-
24. SMART MONITORING AND DECISION MAKING FOR REGULATING ANNULUS BOTTOM HOLE PRESSURE WHILE DRILLING OIL WELLS
Abstract Real time measurements and development of sensor technology are research issues associated with robustness and safety during oil well drilling operations, making feasible the diagnosis of problems and the development of a regulatory strategy. The major objective of this paper is to use an experimental plant and also field data, collected from a basi
Braz. J. Chem. Eng.. Publicado em: 2016-12