Adaptive inspection cell for HMI consoles

The actual control quality standards require manufacturers to increase the inspection process. Instead of a sampling method, all items should be inspected and different equipment with different characteristics in the inspection cell need an adaptive system and the control quality cells should be enhanced. The presented work describes a self-adaptable robotized inspection cell for HMI consoles. which comprises the image acquisition system with controlled illumination and a force feedback sensor manipulated by a collaborative robot. The developed robotized cell is capable of detecting different HMI consoles and adapting the inspection routines of the manipulator robot according to the specific console. Moreover, the flexibility of the collaborative robot allows to adapt the camera positioning, lighting, and distance in a way that future HMI consoles can be inspected based on learning strategies.The work reported in this paper was supported by the Norte2020 program under the project I40@TMAD - Promoção da Indústria 4.0 na Região de Trás-os-Montes e Alto Douro.info:eu-repo/semantics/publishedVersio

Alocação de gás de elevação em campos de petróleo: modelos e algoritmos

Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-graduação em Engenharia ElétricaO sistema de elevação artificial de petróleo por injeção contínua de gás, conhecido como continuous gas-lift ou simplesmente gas-lift é um dos mais utilizados no Brasil e no mundo, devido ao seu baixo custo relativo e eficiência satisfatória em uma vasta gama de condições de operação. Neste sistema de produção, a alocação da taxa disponível de injeção de gás para um grupo de poços é um problema de grande relevância. A decisão da taxa de injeção de gás para cada poço normalmente não é ótima, pois é baseada em regras ad hoc. Sendo assim, ganhos substanciais podem ser alcançados se estas decisões forem substituídas por soluções ótimas. Neste trabalho, apresentamos algumas abordagens para a solução do problema de maximizar o lucro obtido com a venda de hidrocarbonetos extraídos de um campo com poços operando via gas-lift. As soluções desenvolvidas utilizam Programação Dinâmica, Programação Linear Inteira Mista aliada à Teoria de Desigualdades Válidas e algoritmos Branch-and-Bound e Branch-and-Cut e fornecem a taxa de injeção de gás ótima para cada poço satisfazendo restrições como por exemplo a taxa de injeção disponível e os limites de processamento de fluidos produzidos. As abordagens desenvolvidas se mostram eficientes para a aplicação em questão. As soluções encontradas possuem alta qualidade (próximas das soluções ótimas), e o custo computacional para a obtenção das mesmas é baixo. As técnicas de solução propostas aqui constituem excelentes ferramentas de suporte à decisão, podendo substituir as decisões sub-ótimas normalmente fornecidas por pacotes de otimização comerciais

A Comparative Study Between the Laryngoscope and Lighted Stylet in Tracheal Intubation

SummaryBackground and objectivesApproaching the airways with a laryngoscope can cause different types of injuries. The objective of the present study was to determine whether lighted stylet tracheal intubation can be a less traumatic alternative for patients when compared to direct laryngoscopy.MethodsNinety-eight patients between 16 and 88 years and physical status ASA I and II participated in the present study. Patients were separated into two groups: Group L, 54 patients who were intubated with a laryngoscope, and Group E, 44 patients who were intubated with a lighted stylet. The number of attempts, time until intubation, variation in blood pressure and heart rate, and postoperative sore throat (odynophagia), dysphagia, and hoarseness were evaluated.ResultsDemographic data and hemodynamic parameters were similar in both groups. Statistically significant differences in the incidence of sore throat and dysphagia were not observed. Hoarseness was the only data that showed statistically significant differences, being more predominant in Group E (p = 0.05).ConclusionsThe intubation techniques are similar regarding the hemodynamic behavior in both groups. However, hoarseness was more common in group with lighted stylet

Anatomical study and phytochemical screening of leaves from Eucalyptus benthamii Maiden et Cambage

O óleo essencial das folhas de Eucalyptus benthamii Maiden et Cambage, espécie de elevada resistência ao frio, contém α-pineno como constituinte majoritário. Este trabalho avaliou a anatomia foliar de E. benthamii e realizou um screening fitoquímico para investigar a presença de outros metabólitos secundários nas folhas desse táxon. A partir do material botânico fixado, foram conduzidas as análises anatômicas, utilizando os métodos usuais de microscopia fotônica e eletrônica. O screening fitoquímico foi desenvolvido por meio de reações específicas para triterpenos/esteróides, alcalóides, antraquinonas, cumarinas, flavonóides, saponinas e taninos. A anatomia foliar evidenciou estômatos anomocíticos em ambas as faces do limbo foliar, mesofilo heterogêneo simétrico isobilateral, nervura mediana plano-convexa e sistema vascular do tipo bicolateral em arco aberto. Também foram visualizados idioblastos contendo cristais de oxalato de cálcio, cavidades secretoras com conteúdo lipofílico e súber cicatricial. O estudo fitoquímico revelou a presença de triterpenos e/ou esteróides, glicosídeos flavônicos, glicosídeos saponínicos e taninos.Eucalyptus benthamii Maiden et Cambage is a species with remarkable cold tolerance. Its essential oil showed α-pinene as the major constituent. The aim of this paper was to evaluate the anatomy of leaves from E. benthamii. Also a phytochemical screening of others secondary metabolites was investigated. The anatomical analyses of previously fixed leaves from E. benthamii were performed by the usual light and scanning microtechniques. Phytochemical study was carried out by qualitative reactions for triterpenes/steroids, alkaloids, anthraquinones, coumarins, flavonoids, saponins and tannins. Anomocytic stomata were observed on both surfaces of leaves from E. benthamii. Foliar blade showed a heterogeneous and symmetrical mesophyll as isobilateral arrange. The midrib showed plain-convex cross-section and was traversed by a bicollateral vascular bundle in open arc. Idioblasts with calcium oxalate prisms, secretory cavities with oil content and lenticel-like structures were also reported. The phytochemical screening revealed triterpenes/steroids, flavonoid glycosides, saponin glycosides and tannins.Colegio de Farmacéuticos de la Provincia de Buenos Aire

Spontaneous coronary artery dissection: A single-center case series and literature review

BACKGROUND: Spontaneous coronary artery dissection (SCAD) is an unusual cause of acute coronary syndrome (ACS). Better recognition and diagnosis has raised awareness of this condition. However, the pathophysiology of SCAD and its prognosis are still little understood. We aimed to investigate the characteristics and prognosis of patients with SCAD, and subsequently performed a review of literature. METHODS: Single-center, retrospective study performed in patients hospitalized from January 2010 to December 2016 with suspected ACS (n=5002) whose final diagnosis was SCAD (n=27; 0.5%). RESULTS: Patients with SCAD were mainly female (81.5%; n=22), with median age of 56. Predisposing factors were identified in 12 (44%) patients and precipitating factors in three (11.1%). Non-ST elevation myocardial infarction (NSTEMI) was the main form of presentation (51.9%). The left anterior descending artery (LAD) territory was the most commonly involved (n=12, 44.4%). Type 2 dissection was the most prevalent angiographic pattern (n=17, 63%). The majority of patients (n=15; 55.6%) were managed medically and the remaining patients underwent percutaneous coronary intervention (PCI) with drug-eluting stents. Seven patients re-infarcted while in the hospital. Over the median follow-up period of 20 months, 7.4% of patients (n=2) had symptoms of heart failure (HF) and 14.8% developed ACS (in three patients the event occurred in a coronary territory other than that of the index case, and in one patient it occurred in the previously affected territory). There were no deaths. CONCLUSION: In the studied population, SCAD was more prevalent in middle-aged women. Despite the high prevalence of in-hospital re-infarction or during follow-up, the prognosis was good overall.info:eu-repo/semantics/publishedVersio

In Vitro Cytotoxic Potential of Essential Oils of Eucalyptus benthamii and Its Related Terpenes on Tumor Cell Lines

Eucalyptus L. is traditionally used for many medicinal purposes. In particular, some Eucalyptus species have currently shown cytotoxic properties. Local Brazilian communities have used leaves of E. benthamii as a herbal remedy for various diseases, including cancer. Considering the lack of available data for supporting this cytotoxic effect, the goal of this paper was to study the in vitro cytotoxic potential of the essential oils from young and adult leaves of E. benthamii and some related terpenes (α-pinene, terpinen-4-ol, and γ-terpinene) on Jurkat, J774A.1 and HeLa cells lines. Regarding the cytotoxic activity based on MTT assay, the essential oils showed improved results than α-pinene and γ-terpinene, particularly for Jurkat and HeLa cell lines. Terpinen-4-ol revealed a cytotoxic effect against Jurkat cells similar to that observed for volatile oils. The results of LDH activity indicated that cytotoxic activity of samples against Jurkat cells probably involved cell death by apoptosis. The decrease of cell DNA content was demonstrated due to inhibition of Jurkat cells proliferation by samples as a result of cytotoxicity. In general, the essential oils from young and adult leaves of E. benthamii presented cytotoxicity against the investigated tumor cell lines which confirms their antitumor potential

Características Granulométricas e Morfológicas das Areias de Solos sobre Arenitos e Basaltos em Floraí/PR

This paper deals with the differences of the landforms and associated materials (rocks, soils and deposits) of the northwestern areas of the state of Paraná, Brazil. We present a detailed discussion of the geometry of a hillslope and the granulometric and morphologic characteristics of the sands of a soil formed on the sandstones of the Caiuá Formation (Bauru Group) against a soil profile evolved from the basalts of the Serra Geral Formation (São Bento Group), in the basin of the Gurupá. In order to accomplish that, a series of procedures were conducted in the office, field and laboratory, all relatedto techniques used in Pedology, Sedimentology and Geomorphology, in a multi-scalar approach, which allowed for the description and analysis of the landforms and materials. In conclusion, we point to the clear morphological differences between the sand grains of the different soil profiles and to the moresubtle differences regarding mineralogic and granulometric characteristics. The Argisols, formed from sandstone, present quartz grains which are preferably rugged, with a vitreous/matte shine and a subangular/subrounded shape, depending on the depth, while the Nitisols, connected to the basalts presents grains of quartz which are predominantly rugged, matte and subrounded. These results corroborate with the hypothesis that suggests that the Caiuá Formation has two stages of deposition, eolic and fluvial/lacustrine, contradicting the idea of an exclusively eolic depositional environment. Besides that, the characteristics seen in the superficial volume, common to both soils, do not show a continuity in depth within the Nitisol, which indicates an allochthonous genesis of these materials on the basalt.O artigo aborda as diferenças nas formas de relevo e materiais associados (rochas, solos e depósitos) do setor noroeste do estado do Paraná, região sul do Brasil. Discute, em nível de detalhe, a geometria de uma vertente e as especificidades granulométricas e morfológicas das areias de um solo sobre o arenito da Formação Caiuá (Grupo Bauru), em comparação com outro nos basaltos da Formação Serra Geral (Grupo São Bento), na bacia hidrográfica do Córrego Gurupá. Para tanto, foram realizados procedimentos em gabinete, campo e laboratório, ligados a metodologias e técnicas da Pedologia, Sedimentologia e Geomorfologia em uma sequência multiescalar, que subsidiaram a descrição e análise das formas e materiais. Conclui que há claras diferenças morfológicas entre grãos de areia dos dois perfis, porém na mineralogia e granulometria as distinções são sutis.  O Argissolo, sobre o arenito, possui grãos de quartzo preferencialmente rugosos, polidos/foscos e arredondamento subangular/subarredondado dependendo da profundidade, enquanto o Nitossolo, oriundo dos basaltos, contém grãos rugosos, foscos e subarredondados em sua maioria. Estes resultados corroboram com a hipótese de que a Formação Caiuá possui duas fácies, uma de deposição eólica e outra flúvio-lacustre, contrariando a ideia que propõe um contexto exclusivamente eólico. Além disto, as características encontradas no volume superficial, comum aos dois solos, não possui continuidade em profundidade no Nitossolo, o que indica uma gênese alóctone deste material sobre o basalto

Chemical composition and antibacterial activity of the essential oil from bark of Ocotea puberula (Rich.) Ness

Ocotea puberula (Rich.) Nees, known as canela-guaicá and canela-sebo, is a native woody species from Brazil. O. puberula has been used by indigenous communities to treat skin diseases and tumours. The aim of this work was to evaluate the chemical composition and antibacterial activity of the essential oil obtained by hydrodistillation from barks of O. puberula. Gas chromatography/mass spectrometry analysis showed spathulenol, β-pinene, bicyclogermacrene, germacrene D and α-pinene as the major volatile components. In the antibacterial activity, a very low response was demonstratedColegio de Farmacéuticos de la Provincia de Buenos Aire

Essential oil from eucalyptus benthamii Maiden et Cambage reduces nitric oxide production in lipopolysaccharide-induced murine peritoneal macrophages

Few studies are concerned about the essential oil extracted from leaves of Eucalyptus benthamii Maiden et Cambage that shows high content of α-pinene. The goal of this paper was to investigate the in vitro effect of the essential oil of E. benthamii and α-pinene on lipopolysaccharide (LPS)-induced nitric oxide (NO) production in mouse peritoneal macrophages. Macrophages were harvested by washing with phosphate buffered saline and cultured with 10 μg/mL LPS. Three concentrations (5, 10, and 20 μg/mL) of the essential oil of E. benthamii and α-pinene were investigated. Nitrite levels were measured based on the Griess reaction, an indirect assay for NO production. The essential oil of E. benthamii significantly suppressed NO production in murine peritoneal macrophages at 10 and 20 μg/mL. In contrast, α-pinene did not inhibit NO production.Colegio de Farmacéuticos de la Provincia de Buenos Aire

Análise da cobertura vacinal de sarampo no estado de Roraima em 2018

Introduction: Among the various reasons that can lead a State from an outbreak to a measles epidemic, the importance of vaccination coverage is unquestionable. In 2018, the state of Roraima went through a period of measles epidemic and and the main suspicion is that the disease entered the state through the border of Venezuela. Objective: This study sought to investigate whether the measles vaccination coverage rate in the state of Roraima would be a contributing factor to the evolution of the outbreak to an epidemic that occurred in 2018. Methodology: Information on vaccination coverage of the 15 municipalities of Roraima were collected by consulting the Immunization Program Evaluation System (API). The consultations were carried out in the online system and the collected data were organized in order to analyze the vaccinecoverage of the Triple Viral in Roraima in the years between 2013 and 2019. Results: The results show that only in 2014 (110.16%), 2015 (108.45%) and 2018 (99.32%) vaccination coverage in the State of Roraima was adequate. Conclusion: It is concluded that vaccination coverage against measles in the State of Roraima was flawed, failing to reach, especially in the years preceding (2016 and 2017) the epidemic, the recommended rate of 95%. Thus, it is possible that the evolution from an outbreak to an epidemic in 2018 is associated with this failure.        Introdução: Dentre os diversos motivos que podem conduzir há uma mudança do quadro de surto para epidemia de sarampo, é inquestionável a importância da cobertura vacinal. No ano de 2018, o estado de Roraima passou por um período de epidemia de sarampo e a principal suspeita é que a doença adentrou ao Estado por meio da fronteira com a Venezuela. Objetivo: Este estudo buscou investigar se a taxa de cobertura vacinal contra o sarampo no estado de Roraima seria um fator contribuinte para a evolução do quadro de surto para epidemia que ocorreu em 2018. Metodologia: As informações sobre a cobertura vacinal dos 15 municípios de Roraima foram coletadas por meio da consulta ao Sistema de Avaliação do Programa de Imunizações (API). As consultas foram realizadas no sistema on-line e os dados coletados foram organizados a fim de analisar a cobertura vacinal da Tríplice Viral em Roraima nos anos entre 2013 e 2019. Resultados: Os resultados demonstram que apenas em 2014 (110,16%), 2015 (108,45%) e 2018 (99,32%) a cobertura vacinal no Estado de Roraima foi adequada. Conclusão: Conclui-se que a cobertura vacinal contra o sarampo no Estado de Roraima foi falha, deixando de atingir, principalmente nos anos que antecederam (2016 e 2017) a epidemia, a taxa de 95% recomendada. Dessa forma, é possível que a evolução do quadro de surto para epidemia no ano de 2018 esteja associada à esta falha