cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.6084/m9.figshare.9870503
title: Competitive and cooperative incentives in dyadic relationships: a case study in the organic grape chain

description: Abstract Incentive systems aim to motivate and direct the behavior of participants in inter-organizational relationships. Cooperative incentives are based on sharing of benefits and gains generated in relationship, while the competitive ones refer to rewarding suppliers based on their performance relative to other suppliers. Based on the Relational View lens, the study aimed to analyze how competitive and cooperative incentives from the purchasing company influence the economic results of its suppliers. A qualitative research was carried out through a case study, whose unit of analysis was the dyadic relationship in an organic products supply chain. The results showed that the purchasing company uses competitive incentives when it seeks to encourage suppliers to adopt behaviors in order to avoid punishment, especially in relation to productive activities. Cooperative incentives also promote information exchange, knowledge transfer and trust-based relationships. As a theoretical contribution, in the organic production context, it was identified that beyond the influence of competitive and cooperative incentives over the relations between buyer and suppliers there are external factors such as international certification standards and regulations, which exerts a strong influence on the studied relation.
DOI: 10.6084/m9.figshare.9870503.v1
title: Competitive and cooperative incentives in dyadic relationships: a case study in the organic grape chain

description: Abstract Incentive systems aim to motivate and direct the behavior of participants in inter-organizational relationships. Cooperative incentives are based on sharing of benefits and gains generated in relationship, while the competitive ones refer to rewarding suppliers based on their performance relative to other suppliers. Based on the Relational View lens, the study aimed to analyze how competitive and cooperative incentives from the purchasing company influence the economic results of its suppliers. A qualitative research was carried out through a case study, whose unit of analysis was the dyadic relationship in an organic products supply chain. The results showed that the purchasing company uses competitive incentives when it seeks to encourage suppliers to adopt behaviors in order to avoid punishment, especially in relation to productive activities. Cooperative incentives also promote information exchange, knowledge transfer and trust-based relationships. As a theoretical contribution, in the organic production context, it was identified that beyond the influence of competitive and cooperative incentives over the relations between buyer and suppliers there are external factors such as international certification standards and regulations, which exerts a strong influence on the studied relation.
DOI: 10.6084/m9.figshare.9870506.v1
title: Technical efficiency and technological heterogeneity in agriculture in the semi-arid and non-semi-arid regions of northeastern Brazil

description: Abstract This study aims to analyze the technological differences in agricultural production between the municipalities in the semiarid and non-semiarid Northeast Brazil. It uses the technological meta-frontier model proposed by Battese, Rao e O’Donnell (2004), and O’Donnell, Rao e Battese (2008), for responding to what extent these regional differences influence the efficiency of production. It was observed that the hypothesis that the municipalities belonging to the semiarid and non-semiarid face with different production opportunities. The results indicated, that comparing both regions, the non-semiarid region has the highest average technical efficiency with reference to meta-frontier.
DOI: 10.6084/m9.figshare.9870494
title: Family farming in the highlands, north and northwest regions of Rio de Janeiro: determinants of the income generation process

description: Abstract The aim of this paper is to study the perspectives of family farming in serrana, north and northwest regions in Rio de Janeiro state by identifying the determinants of farm income. This paper performs a literature review about family farming in Brazil and the way it has been developing in serrana, north and northwest regions of Rio de Janeiro, showing its economic importance. Aiming to analyze the determinants of farm income, the paper uses multiple regression analysis based on data from the BNDES/UFscar/Cresol research project “Studies to guide new agricultural business opportunities, collective investment and alternative marketing possibilities”. The regression results show that the use of technical assistance by farmers, their participation in rural cooperatives, the area of these establishments and the increase in the years of schooling of the agricultural producer boost the generation of gross income. Therefore, it can be said that public policies that focus on the development of family agriculture should include aspects that involve the education and training of rural producers, as well as encourage participation in rural cooperatives and the use of technical assistance.
DOI: 10.6084/m9.figshare.9870485
title: Characterization of carboplatin loaded micro-nanostructured porous granular material in a biphasic calcium phosphate ceramic system

description: ABSTRACT The hydroxyapatite/beta-tricalcium phosphate (HA/β-TCP) bioceramics, has been reported to be attractive for biomedical applications, used as bone tissue substitute materials. These biomaterials exhibited excellent biocompatibility and interconnected microporous microstructure that provides suitable environments for a controlled drug delivery system in bone treatments. The characterization study of the biphasic granular material 60% HA/40% β-TCP, was performed before and after loading the carboplatin using a high vacuum method. The drug was loaded at concentrations of 1 mg/g, 5 mg/g, 10 mg/g and 20 mg/g in a biphasic granular biomaterial. The morphological, microstructural, crystallographic and chemical characterization of the granulated biomaterial was investigated. SEM analysis showed structures identified as drugs precipitates on the structure of the biomaterial. The drug has been identified using X-ray technique, also. FTIR analysis indicated OH- and PO43- from calcium phosphates and Pt-N and NH3 vibrational bands from carboplatin molecules. The results showed that the high vacuum method was efficient for the incorporation of carboplatin in micropore structure of the granular biomaterial.
DOI: 10.6084/m9.figshare.9870491
title: Microstructural characterization of the AA7004 and AA7075 thixoforging alloys in an eccentric press

description: ABSTRACT The aim of this work was to analyze the thixoforging process in an eccentric press of the AA7004 and AA7075 aeronautical alloys and to understand the behavior of the semisolid material during the filling of the die through microstructural analysis. The alloys were subjected to globularization heat treatments for 210 seconds and liquid fraction of 55% and in the sequence thixoforged. Working temperatures were determined via DSC tests (differential scanning calorimetry). The globularization heat treatments aim to effect the partial or total globularization of the alloys, allowing the analysis of microstructural evolution. The maximum force applied in the thixoforging process was approximately 500 kg, and the capacity of the eccentric press according to its manufacturer is 25 tons, demonstrating that the force used to perform the tests was negligible compared of the capacity of the equipment. The thixoforged final product presented total filling of the die and dimensional quality. The part in the center of the final product, where the biggest deformation occurred, presented deformed and smaller grains in relation to the other parts, namely the AA7004 alloy presented a grain size of 142 µm and the AA7075 alloy presented a grain size of 105 µm.
DOI: 10.6084/m9.figshare.9870500.v1
title: Does knowledge about climate change imply adaptation? Analysis of farmers in Northeast Brazil

description: Abstract We analyze the relationship between farmer’s knowledge about climate change and the adoption of adaptive strategies. The study area was the Brazilian Northeast (Rio das Contas basin, Bahia). Methodologically, we estimated a Seemingly Unrelated Bivariate Probit model. The results showed that knowledge and adaptation are correlated and should be considered together. Farmers who are aware of the climate change effects are more likely to adapt. This finding reinforces the importance of considering the perception, knowledge and socioeconomic conditions of individuals in the formulation of public policies to counteract the negative effects of climate change.
DOI: 10.6084/m9.figshare.9870488
title: Descriptive Analysis of the Disability Theme in the Federal University of Rio Grande do Norte Undergraduate Degree Curricula

description: ABSTRACT Education may contribute with inclusion of people with disabilities in the society in at least two ways. One is to ensure access, permanence and completion of these people in the education system. The other is to teach people without disabilities to coexist and deal adequately with people with disabilities. The challenge of educating people without disabilities is relevant in undergraduate courses. Thus, this work aims to analyze disciplines of face-to-face undergraduate courses at the Federal University of Rio Grande do Norte - UFRN, Brazil, which address the disability theme. Methodologically, a descriptive documentary study of the university undergraduate curricula was conducted in order to identify which subjects addressed the disability theme between 2008 and 2017. The analysis of disabilities types and themes covered in each discipline allowed us (1) to give an overview of the education offered by UFRN about the disability theme; and (2) to present categories of analysis and forms of data visualization which serve as instruments to analyze the education offered by Higher Education institutions. As results, this preliminary study points out improvement opportunities in the curricula of undergraduate courses at UFRN, mainly through the increasing of the number and diversity of disability types and themes covered by courses. The conclusion is that analyzes and visualizations of information could be carried out with the support of computational systems of academic management, such as the Sistema Integrado de Gestão de Atividades Acadêmicas - SIGAA (Integrated Academic Activity Management System). Similar studies can be an important evaluation tool during Higher Education management for the formation of an inclusive society.
DOI: 10.6084/m9.figshare.9870491.v1
title: Microstructural characterization of the AA7004 and AA7075 thixoforging alloys in an eccentric press

description: ABSTRACT The aim of this work was to analyze the thixoforging process in an eccentric press of the AA7004 and AA7075 aeronautical alloys and to understand the behavior of the semisolid material during the filling of the die through microstructural analysis. The alloys were subjected to globularization heat treatments for 210 seconds and liquid fraction of 55% and in the sequence thixoforged. Working temperatures were determined via DSC tests (differential scanning calorimetry). The globularization heat treatments aim to effect the partial or total globularization of the alloys, allowing the analysis of microstructural evolution. The maximum force applied in the thixoforging process was approximately 500 kg, and the capacity of the eccentric press according to its manufacturer is 25 tons, demonstrating that the force used to perform the tests was negligible compared of the capacity of the equipment. The thixoforged final product presented total filling of the die and dimensional quality. The part in the center of the final product, where the biggest deformation occurred, presented deformed and smaller grains in relation to the other parts, namely the AA7004 alloy presented a grain size of 142 µm and the AA7075 alloy presented a grain size of 105 µm.
DOI: 10.6084/m9.figshare.9870494.v1
title: Family farming in the highlands, north and northwest regions of Rio de Janeiro: determinants of the income generation process

description: Abstract The aim of this paper is to study the perspectives of family farming in serrana, north and northwest regions in Rio de Janeiro state by identifying the determinants of farm income. This paper performs a literature review about family farming in Brazil and the way it has been developing in serrana, north and northwest regions of Rio de Janeiro, showing its economic importance. Aiming to analyze the determinants of farm income, the paper uses multiple regression analysis based on data from the BNDES/UFscar/Cresol research project “Studies to guide new agricultural business opportunities, collective investment and alternative marketing possibilities”. The regression results show that the use of technical assistance by farmers, their participation in rural cooperatives, the area of these establishments and the increase in the years of schooling of the agricultural producer boost the generation of gross income. Therefore, it can be said that public policies that focus on the development of family agriculture should include aspects that involve the education and training of rural producers, as well as encourage participation in rural cooperatives and the use of technical assistance.
DOI: 10.6084/m9.figshare.9870482
title: Obtaining bioabsorable scaffolds from PLGA and IR blend with the addition of hydroxyapatite

description: ABSTRACT The aim of this paper is the obtainment of bioactive scaffolds from poly (lactic acid-co-glycolic acid) (PLGA) and polyisoprene (IR) polymer blends with different additions of hydroxyapatite (HAp) as an alternative for tissue engineering. For the preparation of the polymer solutions, the PLGA/IR blend and the HAp were dissolved in chloroform. Subsequently, the scaffold was processed by electrospinning, varying the dis-tance between the syringe and the collector. Scaffolds chemical and phase composition were characterized by zeta potential, X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR). Scanning electron microscopy (SEM) was used to evaluate the morphology and for the cytotoxic behavior the cellular viability analysis methodology was used. The zeta potential value of the HAp was -22 mV and the FTIR and XRD were consistent with the literature. The SEM images allowed the analysis of the mean size and standard deviation of the obtained fibers, demonstrating a significant difference among the samples. The results showed the great influence of the distance between the collector and the tip of the syringe and the blend/HAp ratio, and the scaffold obtained with the largest collector/ syringe distance and the highest HAp/blend ratio showed fibers with a smaller mean size and greater homogeneity and low cellular cytotoxicity.
DOI: 10.6084/m9.figshare.9870485.v1
title: Characterization of carboplatin loaded micro-nanostructured porous granular material in a biphasic calcium phosphate ceramic system

description: ABSTRACT The hydroxyapatite/beta-tricalcium phosphate (HA/β-TCP) bioceramics, has been reported to be attractive for biomedical applications, used as bone tissue substitute materials. These biomaterials exhibited excellent biocompatibility and interconnected microporous microstructure that provides suitable environments for a controlled drug delivery system in bone treatments. The characterization study of the biphasic granular material 60% HA/40% β-TCP, was performed before and after loading the carboplatin using a high vacuum method. The drug was loaded at concentrations of 1 mg/g, 5 mg/g, 10 mg/g and 20 mg/g in a biphasic granular biomaterial. The morphological, microstructural, crystallographic and chemical characterization of the granulated biomaterial was investigated. SEM analysis showed structures identified as drugs precipitates on the structure of the biomaterial. The drug has been identified using X-ray technique, also. FTIR analysis indicated OH- and PO43- from calcium phosphates and Pt-N and NH3 vibrational bands from carboplatin molecules. The results showed that the high vacuum method was efficient for the incorporation of carboplatin in micropore structure of the granular biomaterial.
DOI: 10.6084/m9.figshare.9870476
title: Wear and corrosion of PLGA coatings on titanium in contact with bone and synovial fluid

description: ABSTRACT In this work, the synergism between wear and corrosion was evaluated in titanium specimens covered by PLGA. The tests were carried out in a tribocorrosion machine, taking into account two variables: scratch ve-locity and applied load. A bipotentiostat was adapted to obtain the potentiostatic curves and Tafel in resting, moving and wear-corrosion conditions. Surface topography was observed using a Carl-Zeiss Imager Z1 mi-croscope. This information, together with the results of the electrochemical tests, was used to establish the synergistic and degradation mechanisms of the material under the different test conditions. From the results obtained in this work, it was observed that the synergism is the most important factor of the degradation of the material with a percentage of 82% in such a way that the samples of titanium with PLGA coating showed wear favored by corrosion.
DOI: 10.6084/m9.figshare.9870479
title: The use of the Modified Early Obstetric Warning System (MEOWS) in women after pregnancies: a descriptive study

description: Abstract Objectives: to evaluate the modified early obstetric warning system (MEOWS) in women after pregnancies in a tertiary hospital in Brazil. Methods: a descriptive study was conducted with 705 hospitalized women. Vital signs (systolic and diastolic blood pressure, heart rate, respiratory rate, temperature) and lochia were registered on medical records and transcribed into the MEOWS chart of physiological parameters. On this graphic chart, yellow alerts were used to present moderate abnormalities in vital signs, while severe abnormalities were presented in red. The presence of at least one red alert or two yellow alerts were triggered to indicate the need for medical evaluation. Results: although abnormalities were found in the physiological parameters of 49.8% of the women identified from MEOWS triggers, medical evaluation was only requested for three patients (0.8%). Conclusions: in a retrospective application of the use of MEOWS showed a significant number of patients had triggered in which the nursing team did not recognize 99.2% of cases. This finding could be attributed to the fact that MEOWS has not been yet adopted in this service as part of the nursing care. The application of this tool would result in a better care because critical situations would be recognized and corrected quickly, avoiding unfavorable outcomes.
DOI: 10.6084/m9.figshare.9870473
title: Study of behavior alloy Ti and 316L in to simulated body fluid by electrochemical techniques

description: ABSTRACT In this work, Ti-316L stainless steel was produced, and its electrochemical behavior was characterized. Ti-steel alloys were produced using an induction furnace, by mixing commercial Ti and 316L stainless steel. X-ray diffraction analyses showed the presence of both the materials, Ti and 316L, in the samples produced. The elemental composition of the materials was determined by optical emission spectroscopy and energy-dispersive spectroscopy, which showed similar quantities of both the elements. Both commercial 316L stainless steel and Ti–steel were studied in simulated biological fluid for imitate a like composition of body blood plasma. Electrochemical experiments conducted at 37°C indicated the stable passive polarization behavior of the Ti-steel alloy. Furthermore, the electrochemical behavior of the 316L stainless steel was also analyzed for comparison purposes. Corrosion velocities were determined using the Tafel method and corrosion resistances were obtained using the electrochemical impedance spectroscopy. The Ti-steel exhibited better protection capacity, compared with the commercial 316L steel. The corrosion velocity and the passive current density of the Ti–steel alloy were lower than those exhibited by the 316L stainless steel.
DOI: 10.6084/m9.figshare.9870488.v1
title: Descriptive Analysis of the Disability Theme in the Federal University of Rio Grande do Norte Undergraduate Degree Curricula

description: ABSTRACT Education may contribute with inclusion of people with disabilities in the society in at least two ways. One is to ensure access, permanence and completion of these people in the education system. The other is to teach people without disabilities to coexist and deal adequately with people with disabilities. The challenge of educating people without disabilities is relevant in undergraduate courses. Thus, this work aims to analyze disciplines of face-to-face undergraduate courses at the Federal University of Rio Grande do Norte - UFRN, Brazil, which address the disability theme. Methodologically, a descriptive documentary study of the university undergraduate curricula was conducted in order to identify which subjects addressed the disability theme between 2008 and 2017. The analysis of disabilities types and themes covered in each discipline allowed us (1) to give an overview of the education offered by UFRN about the disability theme; and (2) to present categories of analysis and forms of data visualization which serve as instruments to analyze the education offered by Higher Education institutions. As results, this preliminary study points out improvement opportunities in the curricula of undergraduate courses at UFRN, mainly through the increasing of the number and diversity of disability types and themes covered by courses. The conclusion is that analyzes and visualizations of information could be carried out with the support of computational systems of academic management, such as the Sistema Integrado de Gestão de Atividades Acadêmicas - SIGAA (Integrated Academic Activity Management System). Similar studies can be an important evaluation tool during Higher Education management for the formation of an inclusive society.
DOI: 10.6084/m9.figshare.9870476.v1
title: Wear and corrosion of PLGA coatings on titanium in contact with bone and synovial fluid

description: ABSTRACT In this work, the synergism between wear and corrosion was evaluated in titanium specimens covered by PLGA. The tests were carried out in a tribocorrosion machine, taking into account two variables: scratch ve-locity and applied load. A bipotentiostat was adapted to obtain the potentiostatic curves and Tafel in resting, moving and wear-corrosion conditions. Surface topography was observed using a Carl-Zeiss Imager Z1 mi-croscope. This information, together with the results of the electrochemical tests, was used to establish the synergistic and degradation mechanisms of the material under the different test conditions. From the results obtained in this work, it was observed that the synergism is the most important factor of the degradation of the material with a percentage of 82% in such a way that the samples of titanium with PLGA coating showed wear favored by corrosion.