cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.6084/m9.figshare.6273122
title: Microstructural and Electrochemical behaviour of Aluminium Alloy Composites Produced Using Different Sintering Techniques

description: Present research work analyses the effect of heating modes on the densification, microstructure and mechanical properties of aluminum alloys [65Al-20Cu-15Mn] fabricated through powder metallurgy route. Sintering of compacts using conventional, microwave and spark plasma sintering methods has been carried out at 525°C. From the results, it has been observed that the spark plasma sintering method produced the samples with better mechanical properties than the other two methods, followed by microwave and conventionally sintered counterparts. Microstructural analysis using optical microscopy revealed that spark plasma sintered sample has finest microstructure due to faster rate of heating than microwave and conventional methods.
DOI: 10.6084/m9.figshare.6273122.v1
title: Microstructural and Electrochemical behaviour of Aluminium Alloy Composites Produced Using Different Sintering Techniques

description: Present research work analyses the effect of heating modes on the densification, microstructure and mechanical properties of aluminum alloys [65Al-20Cu-15Mn] fabricated through powder metallurgy route. Sintering of compacts using conventional, microwave and spark plasma sintering methods has been carried out at 525°C. From the results, it has been observed that the spark plasma sintering method produced the samples with better mechanical properties than the other two methods, followed by microwave and conventionally sintered counterparts. Microstructural analysis using optical microscopy revealed that spark plasma sintered sample has finest microstructure due to faster rate of heating than microwave and conventional methods.
DOI: 10.6084/m9.figshare.6273119
title: Adventitial cystic disease of the radial artery

description: Abstract Adventitial cystic disease (ACD) of the radial artery is a rare condition, with few cases described in the literature. We report the case of a 62-year-old white male with a history of diabetes, hypertension, and chronic kidney disease with indications for renal replacement therapy who was found to have a cystic lesion of the radial artery while undergoing surgical creation of an arteriovenous fistula. The surgical technique adopted was resection of the cystic segment and preservation of the radial artery. Fistula creation was completed successfully. Early diagnosis and appropriate treatment of ACD are effective, and can prevent complications and recurrence.
DOI: 10.6084/m9.figshare.6273119.v1
title: Adventitial cystic disease of the radial artery

description: Abstract Adventitial cystic disease (ACD) of the radial artery is a rare condition, with few cases described in the literature. We report the case of a 62-year-old white male with a history of diabetes, hypertension, and chronic kidney disease with indications for renal replacement therapy who was found to have a cystic lesion of the radial artery while undergoing surgical creation of an arteriovenous fistula. The surgical technique adopted was resection of the cystic segment and preservation of the radial artery. Fistula creation was completed successfully. Early diagnosis and appropriate treatment of ACD are effective, and can prevent complications and recurrence.
DOI: 10.6084/m9.figshare.6273116
title: On the Intrinsic Limits of the Convolution Method to Obtain the Crystallite Size Distribution from Nanopowders Diffraction

description: The present work briefly reviews the convolution of crystallite shape functions and discusses its experimental limitations. The diffraction from a theoretical spherical shape powder is used to exemplify the limits of the convolution procedure. Mean lattice distortions were not considered since the discussed limitations are inherent to the convolution method using Fourier transforms. The diffraction pattern and the convolution were calculated using appropriate macros for the Topas program. It is shown that very small crystallites require a large 2θ convolution span and the smallest subdivision for the distribution will depend on this convolution span. To show the importance of the convolution limits and its application, the nanocrystalline CeO2 round-robin diffraction pattern was evaluated. The chord frequency distribution by XRD showed conformity with the chord distribution calculated from a grain size histogram obtained by transmission electron microscopy for this sample.
DOI: 10.6084/m9.figshare.6273116.v1
title: On the Intrinsic Limits of the Convolution Method to Obtain the Crystallite Size Distribution from Nanopowders Diffraction

description: The present work briefly reviews the convolution of crystallite shape functions and discusses its experimental limitations. The diffraction from a theoretical spherical shape powder is used to exemplify the limits of the convolution procedure. Mean lattice distortions were not considered since the discussed limitations are inherent to the convolution method using Fourier transforms. The diffraction pattern and the convolution were calculated using appropriate macros for the Topas program. It is shown that very small crystallites require a large 2θ convolution span and the smallest subdivision for the distribution will depend on this convolution span. To show the importance of the convolution limits and its application, the nanocrystalline CeO2 round-robin diffraction pattern was evaluated. The chord frequency distribution by XRD showed conformity with the chord distribution calculated from a grain size histogram obtained by transmission electron microscopy for this sample.
DOI: 10.6084/m9.figshare.6273113
title: The Structural and the Magnetic Properties of Aluminum Substituted Yttrium Iron Garnet

description: In this paper, Y3AlxFe5-xO12 powders with x = 0.0, 0.2, 0.4, 0.6, 0.8, and 1.0 were prepared via solid state reaction method. X-ray diffraction, Vibrating Sample Magnetometry, and Mössbauer Spectroscopy were used to study their structural and magnetic properties. The XRD patterns of the samples show single phase structure with decreasing lattice constant when increasing Al concentration. The saturation magnetization decreases from 28.0 to 10.1 emu/g with increasing Al3+ from 0.0 to 1.0 due to the reduction of the superexchange interactions between iron ions in the a and d sublattices. Room temperature Mössbauer spectra for the samples were collected and analyzed. The hyperfine field values for octahedral and tetrahedral sites of the samples decreased with increasing Al concentration. Moreover, Mössbauer results have shown that Al3+ ions prefer to replace Fe+3 at the octahedral sites.
DOI: 10.6084/m9.figshare.6273110
title: Relationship between body image, attitudes towards eating disorders and nutritional status in university students in the health area

description: ABSTRACT Objective To evaluate the relationship between body image dissatisfaction, attitudes towards eating disorders and nutritional status in university students of health area. Methods Descriptive, transversal and quantitative study with 225 university students registered in eight health courses. To obtain the data, three self-administered instruments were used: the Body Shape Questionnaire (BSQ), the Eating Attitudes Test (EAT-26), and a questionnaire built by the researchers, containing the self-reported data of height, current and desired weight, course and age. The nutritional status was established according to the calculation of body mass index (BMI). For the data analysis, the Pearson chi-square test was applied, adopting the significance level of 5%. Results The mean age was 22.65 years and the BMI was 23.05 kg/m2, with the majority of university students in eutrophy (69.8%). Regarding the desired weight, 74.7% would like to weigh less, of which 64.9% were eutrophic. According to the BSQ, 51.1% of university students had some degree of body dissatisfaction and the prevalence of attitudes indicative of eating disorders, according to the EAT-26, it was 21.8%. There was a statistically significant association between: BMI and BSQ (p &lt; 0.001); BMI and EAT-26 (p &lt; 0.005); BSQ and EAT-26 (p &lt; 0.001). When correlating the dissatisfaction of body image and attitudes of risk for eating disorders, it is noticed that 87.75% of university students with positive EAT also presented some degree of body dissatisfaction. Conclusion It was evidenced the existence of relation between the body image dissatisfaction, attitudes of risk for eating disorders and nutritional status of university students of health area.
DOI: 10.6084/m9.figshare.6273104
title: The Quasi-static and Dynamic Mechanical Behavior of Epoxy Matrix Composites Reinforced with Curaua Fibers

description: The research of natural fiber composites is growing due to the fact that the green materials combine low weight with good mechanical properties. Curaua fiber arises as a competitive natural fiber due to its abundance, low cost and a variety of applications. In this work, different weight fractions of Curaua fiber were used in order to obtain this natural composite material. Specimens of Curaua/Epoxy composites were tested in tensile and in flexion to observe the quasi-static mechanical properties and its physical properties due to temperature variation were evaluated by Dynamic Mechanical Analyses (DMA) analyses. An increase in fiber quantity showed an increase in both the modulus and the strength, leading to a stiff and less ductile material. The results also showed an increase in the viscoelastic stiffness of the epoxy matrix by the incorporation of Curaua fibers. The interaction between Curaua fibers and epoxy matrix affects segmental mobility of the epoxy chains.
DOI: 10.6084/m9.figshare.6273104.v1
title: The Quasi-static and Dynamic Mechanical Behavior of Epoxy Matrix Composites Reinforced with Curaua Fibers

description: The research of natural fiber composites is growing due to the fact that the green materials combine low weight with good mechanical properties. Curaua fiber arises as a competitive natural fiber due to its abundance, low cost and a variety of applications. In this work, different weight fractions of Curaua fiber were used in order to obtain this natural composite material. Specimens of Curaua/Epoxy composites were tested in tensile and in flexion to observe the quasi-static mechanical properties and its physical properties due to temperature variation were evaluated by Dynamic Mechanical Analyses (DMA) analyses. An increase in fiber quantity showed an increase in both the modulus and the strength, leading to a stiff and less ductile material. The results also showed an increase in the viscoelastic stiffness of the epoxy matrix by the incorporation of Curaua fibers. The interaction between Curaua fibers and epoxy matrix affects segmental mobility of the epoxy chains.
DOI: 10.6084/m9.figshare.6273101
title: Partial sternotomy for management of iatrogenic brachiocephalic trunk injury during tracheotomy

description: Abstract The median thoracotomy is an access incision made longitudinally through the sternum and variants can be subdivided into total vertical and partial upper or partial lower vertical incisions. In surgical practice, using a partial median sternotomy is an alternative option that causes less surgical aggression. The brachiocephalic artery is one of the thoracic vessels most often affected in traumas and it can be accessed via a median sternotomy. This report describes use of an upper partial sternotomy to provide access in a case of traumatic iatrogenic injury of the brachiocephalic trunk.
DOI: 10.6084/m9.figshare.6273101.v1
title: Partial sternotomy for management of iatrogenic brachiocephalic trunk injury during tracheotomy

description: Abstract The median thoracotomy is an access incision made longitudinally through the sternum and variants can be subdivided into total vertical and partial upper or partial lower vertical incisions. In surgical practice, using a partial median sternotomy is an alternative option that causes less surgical aggression. The brachiocephalic artery is one of the thoracic vessels most often affected in traumas and it can be accessed via a median sternotomy. This report describes use of an upper partial sternotomy to provide access in a case of traumatic iatrogenic injury of the brachiocephalic trunk.
DOI: 10.6084/m9.figshare.6273098
title: Nitrogen availability in an apple orchard with weed management

description: ABSTRACT: Weed management in apple orchards (Malus domestica) can affect the leaching of nitrogen (N) in soil. The study aimed to evaluate the potential leaching of N forms in soil of an apple orchard with different weed management treatments. The experiment was conducted in an apple orchard implanted in 2008. In October 2011, 80 plants were selected and the following treatments were implemented: no weed management (NM), desiccation of weeds on the tree row with herbicide use (DR) and mechanical mowing of weeds on the tree row (MR). Yield was evaluated in the 2011/2012, 2012/2013 and 2013/2014 crop seasons. In May 2012 porous cup lysimeters were installed in the NM, DR and MR treatments. In the solution collected at 0.20m, NH4 +-N and NO3 --N were analyzed sixteen times and mineral N concentration was calculated. The highest concentrations of NO3 --N and mineral N occurred in soil solution with DR, which increases availability of the nutrient to apple trees, but also enhances the potential losses. Weed management and N flow in the solution did not affect apple yield.
DOI: 10.6084/m9.figshare.6273098.v1
title: Nitrogen availability in an apple orchard with weed management

description: ABSTRACT: Weed management in apple orchards (Malus domestica) can affect the leaching of nitrogen (N) in soil. The study aimed to evaluate the potential leaching of N forms in soil of an apple orchard with different weed management treatments. The experiment was conducted in an apple orchard implanted in 2008. In October 2011, 80 plants were selected and the following treatments were implemented: no weed management (NM), desiccation of weeds on the tree row with herbicide use (DR) and mechanical mowing of weeds on the tree row (MR). Yield was evaluated in the 2011/2012, 2012/2013 and 2013/2014 crop seasons. In May 2012 porous cup lysimeters were installed in the NM, DR and MR treatments. In the solution collected at 0.20m, NH4 +-N and NO3 --N were analyzed sixteen times and mineral N concentration was calculated. The highest concentrations of NO3 --N and mineral N occurred in soil solution with DR, which increases availability of the nutrient to apple trees, but also enhances the potential losses. Weed management and N flow in the solution did not affect apple yield.
DOI: 10.6084/m9.figshare.6273089
title: Materials Selection of Optimized Titanium Alloys for Aircraft Applications

description: The aim of the present work was to explore the correlation between the physical metallurgy of titanium alloys and its main attributes to select optimized materials for structural aircraft applications in the landing gear beam. The Ashby's method was employed as the materials selection strategy to consolidate and evaluate the data collected from the current literature in a comprehensive and consistent analysis. Landing gear beam materials are mainly β and near-β alloys. Considering the need for high specific strength and fatigue resistance, the best candidate among them was Ti-3.5Al-5Mo-6V-3Cr-2Sn-0.5Fe alloy. Finally, a brief discussion of additional aspects related to alloy design, microstructural features and their influence on the mechanical properties is presented.
DOI: 10.6084/m9.figshare.6273089.v1
title: Materials Selection of Optimized Titanium Alloys for Aircraft Applications

description: The aim of the present work was to explore the correlation between the physical metallurgy of titanium alloys and its main attributes to select optimized materials for structural aircraft applications in the landing gear beam. The Ashby's method was employed as the materials selection strategy to consolidate and evaluate the data collected from the current literature in a comprehensive and consistent analysis. Landing gear beam materials are mainly β and near-β alloys. Considering the need for high specific strength and fatigue resistance, the best candidate among them was Ti-3.5Al-5Mo-6V-3Cr-2Sn-0.5Fe alloy. Finally, a brief discussion of additional aspects related to alloy design, microstructural features and their influence on the mechanical properties is presented.
DOI: 10.6084/m9.figshare.6273083
title: An integrative review of associations between polymorphic variants and the metabolic syndrome

description: Abstract The pathogenesis of metabolic syndrome, i.e. of each of its components, is complex and has not been entirely elucidated. As a result, it is very difficult to establish a definition of which clinical factors are the most important determinants of its development. The objective of this review is to describe Brazilian scientific research investigating associations between the metabolic syndrome and genetic factors. We selected fifteen studies that met the inclusion and exclusion criteria. Our analysis revealed that there is a modest volume of Brazilian studies investigating relationships between genes, their polymorphic variants and the metabolic syndrome and its risk factors. Therefore, more studies are needed to better understand the biological roles played by genetic polymorphisms and their relationships with metabolic syndrome or its risk factors.
DOI: 10.6084/m9.figshare.6273083.v1
title: An integrative review of associations between polymorphic variants and the metabolic syndrome

description: Abstract The pathogenesis of metabolic syndrome, i.e. of each of its components, is complex and has not been entirely elucidated. As a result, it is very difficult to establish a definition of which clinical factors are the most important determinants of its development. The objective of this review is to describe Brazilian scientific research investigating associations between the metabolic syndrome and genetic factors. We selected fifteen studies that met the inclusion and exclusion criteria. Our analysis revealed that there is a modest volume of Brazilian studies investigating relationships between genes, their polymorphic variants and the metabolic syndrome and its risk factors. Therefore, more studies are needed to better understand the biological roles played by genetic polymorphisms and their relationships with metabolic syndrome or its risk factors.
DOI: 10.6084/m9.figshare.6273080
title: Effect of taping as treatment to reduce breast cancer lymphedema: literature review

description: Abstract Lymphedema is the most common complication during the postoperative period after surgery for breast cancer and can have a direct impact on daily activities. The objective of this study was to review the use of taping as an alternative/complementary treatment to reduce lymphedema. A literature review was conducted of scientific articles indexed on the PubMed, LILACS, MEDLINE, and PEDro databases and Google Scholar, and nine articles were selected. It was found that taping is a complementary therapy for reducing lymphedema, which may be used as an alternative treatment method, but cannot substitute multilayer compression therapy.
DOI: 10.6084/m9.figshare.6273080.v1
title: Effect of taping as treatment to reduce breast cancer lymphedema: literature review

description: Abstract Lymphedema is the most common complication during the postoperative period after surgery for breast cancer and can have a direct impact on daily activities. The objective of this study was to review the use of taping as an alternative/complementary treatment to reduce lymphedema. A literature review was conducted of scientific articles indexed on the PubMed, LILACS, MEDLINE, and PEDro databases and Google Scholar, and nine articles were selected. It was found that taping is a complementary therapy for reducing lymphedema, which may be used as an alternative treatment method, but cannot substitute multilayer compression therapy.
DOI: 10.6084/m9.figshare.6273077
title: Selective Surfaces of Black Chromium for Use in Solar Absorbers

description: One of the applications of selective surfaces is to improve performance of solar absorbers. The purpose of this work is to produces selective coatings with high absorption of solar radiation in the range of UV/Vis/NIR. It was prepared a selective surface composed of black chromium (Cr/Cr2O3) deposited on substrates of AISI 304 stainless steel using the technique of electrolytic deposition for application in solar thermal absorbers. The great parameters for deposition consisted of a continuous electric current of 2A for 90s, at a constant temperature of 40°C. After deposition, the samples under went to a heat treatment at 600°C for 2h for oxidation. The coatings thicknesses were determined. From the SEM analysis coupled with EDS, it was found that the microstructures reported sample of cermets. The XRD results show diffraction peaks related to metallic chromium (Cr) and chromium oxide (Cr2O3). Spectral absorptance values more 90.0% were found.
DOI: 10.6084/m9.figshare.6273077.v1
title: Selective Surfaces of Black Chromium for Use in Solar Absorbers

description: One of the applications of selective surfaces is to improve performance of solar absorbers. The purpose of this work is to produces selective coatings with high absorption of solar radiation in the range of UV/Vis/NIR. It was prepared a selective surface composed of black chromium (Cr/Cr2O3) deposited on substrates of AISI 304 stainless steel using the technique of electrolytic deposition for application in solar thermal absorbers. The great parameters for deposition consisted of a continuous electric current of 2A for 90s, at a constant temperature of 40°C. After deposition, the samples under went to a heat treatment at 600°C for 2h for oxidation. The coatings thicknesses were determined. From the SEM analysis coupled with EDS, it was found that the microstructures reported sample of cermets. The XRD results show diffraction peaks related to metallic chromium (Cr) and chromium oxide (Cr2O3). Spectral absorptance values more 90.0% were found.
DOI: 10.6084/m9.figshare.6273074
title: Recovery Mechanisms in a Compressed Ni-Ti Superelastic Alloy

description: The present work studied the influence of annealing on a Ni-Ti alloy submitted to uniaxial compression. The stress-strain curve under compression showed the absence of the Stress-Induced-Martensite (SIM) plateau and 42% of remaining austenitic phase (B2). identified by the Electron Backscattered Diffraction (EBSD) technique on a Scanning Electronic Microscope (SEM). Annealing at 150 ºC increased the volume fraction of austenite to 70%. Annealing at 200 ºC reduced the volume fraction of austenite to 33% and increased the classical Vickers hardness and the dynamic elastoplastic hardness. This increase suggests the presence of a phase with higher indentation resistance, which can be the R phase reported in the literature. Annealing at 250 ºC decreased the classical Vickers hardness and the dynamic elastoplastic hardness, probably due to recovery. Annealing at 300 ºC advanced the recovery process and promoted some recrystallization, as suggested by the large standard deviation observed in the hardness results.