cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.6084/m9.figshare.19923637.v1
title: Artificial intelligence forecasting mortality at an intensive care unit and comparison to a logistic regression system

description: ABSTRACT Objective To explore an artificial intelligence approach based on gradient-boosted decision trees for prediction of all-cause mortality at an intensive care unit, comparing its performance to a recent logistic regression system in the literature, and a logistic regression model built on the same platform. Methods A gradient-boosted decision trees model and a logistic regression model were trained and tested with the Medical Information Mart for Intensive Care database. The 1-hour resolution physiological measurements of adult patients, collected during 5 hours in the intensive care unit, consisted of eight routine clinical parameters. The study addressed how the models learn to categorize patients to predict intensive care unit mortality or survival within 12 hours. The performance was evaluated with accuracy statistics and the area under the Receiver Operating Characteristic curve. Results The gradient-boosted trees yielded an area under the Receiver Operating Characteristic curve of 0.89, compared to 0.806 for the logistic regression. The accuracy was 0.814 for the gradient-boosted trees, compared to 0.782 for the logistic regression. The diagnostic odds ratio was 17.823 for the gradient-boosted trees, compared to 9.254 for the logistic regression. The Cohen’s kappa, F-measure, Matthews correlation coefficient, and markedness were higher for the gradient-boosted trees. Conclusion The discriminatory power of the gradient-boosted trees was excellent. The gradient-boosted trees outperformed the logistic regression regarding intensive care unit mortality prediction. The high diagnostic odds ratio and markedness values for the gradient-boosted trees are important in the context of the studied unbalanced dataset.
DOI: 10.6084/m9.figshare.19921736
title: Victory of tradition or resistance of innovation: the teaching of history between the BNCC, the PNLD and the School

description: ABSTRACT Based on the premise that between the prescribed curriculum, the edited curriculum and the curriculum in action occur approximations and distances whose contours escape any form of prior control, we focus, in this study, on the Base Nacional Comum Curricular (BNCC) [National Common Curriculum Base], the Programa Nacional do Livro e do Material Didático (PNLD) [National Book and Teaching Material Program] and the school contexts in which such curricular policies are carried out. The approach is characterized as bibliographic and documentary research, in which it focuses specifically on the curricular component History in the Final Years of Elementary School. The results allow us to conclude that the homologated version of BNCC has close relations with the historiographical tradition that favors a chronological, linear, quadripartite/tripartite and eurocentric approach. By adopting as one of the basic procedures the identification of events considered important in the history of the west, it impedes access to other strategies of selection and organization of historical knowledge. The PNLD, in turn, seems to assume the role of guardian of the curriculum prescribed at BNCC, ensuring the supply of books and teaching materials that tend to impose on teachers and students a reference matrix decontextualized of the school reality, reducing possibilities for collective constructions in the face of local and regional singularities. However, it is in the curriculum in action, in the daily life of the school, in the practices of its main actors, that lies the impulse of creation, innovation and resistance.
DOI: 10.6084/m9.figshare.19921736.v1
title: Victory of tradition or resistance of innovation: the teaching of history between the BNCC, the PNLD and the School

description: ABSTRACT Based on the premise that between the prescribed curriculum, the edited curriculum and the curriculum in action occur approximations and distances whose contours escape any form of prior control, we focus, in this study, on the Base Nacional Comum Curricular (BNCC) [National Common Curriculum Base], the Programa Nacional do Livro e do Material Didático (PNLD) [National Book and Teaching Material Program] and the school contexts in which such curricular policies are carried out. The approach is characterized as bibliographic and documentary research, in which it focuses specifically on the curricular component History in the Final Years of Elementary School. The results allow us to conclude that the homologated version of BNCC has close relations with the historiographical tradition that favors a chronological, linear, quadripartite/tripartite and eurocentric approach. By adopting as one of the basic procedures the identification of events considered important in the history of the west, it impedes access to other strategies of selection and organization of historical knowledge. The PNLD, in turn, seems to assume the role of guardian of the curriculum prescribed at BNCC, ensuring the supply of books and teaching materials that tend to impose on teachers and students a reference matrix decontextualized of the school reality, reducing possibilities for collective constructions in the face of local and regional singularities. However, it is in the curriculum in action, in the daily life of the school, in the practices of its main actors, that lies the impulse of creation, innovation and resistance.
DOI: 10.6084/m9.figshare.19923639
title: Ediacaran/Early Cambrian Serra da Saudade Formation, Bambuí Group: the sedimentary record of a foreland basin in Southeastern Brazil

description: Abstract The Serra da Saudade Formation, Ediacaran/Cambrian Bambuí Group, cropping out along the ridge of the same name in Central-Western Minas Gerais, Brazil, contains important deposits of glauconitic siltstones associated with phosphatic rhythmite as well as other siliciclastic, volcaniclastic and carbonate lithofacies. Lithofacies indicate deposition by proximal and distal storm waves on a continental marine shelf. The basal gray siltstone and part of the green siltstone represent a transgressive systems tract. The glauconitic siltstone indicates sea level rise, with the maximum flooding surface located approximately at the interval of highest K2O content. Biogenic carbonate and an upward increase in sandstone beds are interpreted as a highstand systems tract. Gradual lateral facies changes reflect the transition from foredeep (to the west) to forebulge (to the east) deposition in a foreland basin as the final stage of a shallowing-upward second-order sequence. Black organic-rich limestone has δ13C values between -8.78 and 9.79‰, negative δ18O values from -11.50 to -9.35‰, and 87Sr/86Sr around 0.7075. This isotopic signature, similar to that of other Bambuí carbonates, indicates a probably-restricted depositional environment with organic sedimentation, methanogenesis and high evaporation rates from the Ediacaran through the early Cambrian period.
DOI: 10.6084/m9.figshare.19923639.v1
title: Ediacaran/Early Cambrian Serra da Saudade Formation, Bambuí Group: the sedimentary record of a foreland basin in Southeastern Brazil

description: Abstract The Serra da Saudade Formation, Ediacaran/Cambrian Bambuí Group, cropping out along the ridge of the same name in Central-Western Minas Gerais, Brazil, contains important deposits of glauconitic siltstones associated with phosphatic rhythmite as well as other siliciclastic, volcaniclastic and carbonate lithofacies. Lithofacies indicate deposition by proximal and distal storm waves on a continental marine shelf. The basal gray siltstone and part of the green siltstone represent a transgressive systems tract. The glauconitic siltstone indicates sea level rise, with the maximum flooding surface located approximately at the interval of highest K2O content. Biogenic carbonate and an upward increase in sandstone beds are interpreted as a highstand systems tract. Gradual lateral facies changes reflect the transition from foredeep (to the west) to forebulge (to the east) deposition in a foreland basin as the final stage of a shallowing-upward second-order sequence. Black organic-rich limestone has δ13C values between -8.78 and 9.79‰, negative δ18O values from -11.50 to -9.35‰, and 87Sr/86Sr around 0.7075. This isotopic signature, similar to that of other Bambuí carbonates, indicates a probably-restricted depositional environment with organic sedimentation, methanogenesis and high evaporation rates from the Ediacaran through the early Cambrian period.
DOI: 10.6084/m9.figshare.19923640
title: COMPARING A STATIC EQUILIBRIUM BASED METHOD WITH THE SUPPORT FACTOR FOR HORIZONTAL CARGO STABILITY IN THE CONTAINER LOADING PROBLEM

description: ABSTRACT This paper presents an approach to deal with horizontal cargo stability in container loading problems. Cargo stability has been explored mainly with support factors that constrain the minimum area of each box’s faces to be supported by other boxes. On the other hand, we propose an approach based on the static equilibrium of rigid bodies to check the static stability of a given packing. The approach is used as a cutting plane routine in a branch-and-cut framework to the single container loading problem. This framework considers the resolution of an integer linear programming model to obtain feasible packings next checked with the proposed approach to avoid unstable packings. The computational experiments consider 180 benchmark instances on which stable solutions of the proposed approach have better container fill rates than the support factor approach. In terms of lateral support, the proposed approach provides the minimum value inferior to 70% on average, which is satisfactorily smaller and less restrictive than the full support. Results also indicate that more unstable solutions emerge from refined grids and fewer types of boxes available.
DOI: 10.6084/m9.figshare.19923640.v1
title: COMPARING A STATIC EQUILIBRIUM BASED METHOD WITH THE SUPPORT FACTOR FOR HORIZONTAL CARGO STABILITY IN THE CONTAINER LOADING PROBLEM

description: ABSTRACT This paper presents an approach to deal with horizontal cargo stability in container loading problems. Cargo stability has been explored mainly with support factors that constrain the minimum area of each box’s faces to be supported by other boxes. On the other hand, we propose an approach based on the static equilibrium of rigid bodies to check the static stability of a given packing. The approach is used as a cutting plane routine in a branch-and-cut framework to the single container loading problem. This framework considers the resolution of an integer linear programming model to obtain feasible packings next checked with the proposed approach to avoid unstable packings. The computational experiments consider 180 benchmark instances on which stable solutions of the proposed approach have better container fill rates than the support factor approach. In terms of lateral support, the proposed approach provides the minimum value inferior to 70% on average, which is satisfactorily smaller and less restrictive than the full support. Results also indicate that more unstable solutions emerge from refined grids and fewer types of boxes available.
DOI: 10.6084/m9.figshare.19923642.v1
title: Evidence of Paleoproterozoic phosphogenesis in the Salvador-Curaçá Orogen (Tanque Novo-Ipirá Complex), northeastern São Francisco Craton, Brazil

description: Abstract This paper analyzes mineralogical, geochemical, and geochronological aspects, along with the effect of hydrothermal/metasomatic overprints, to identify the presence of primary phosphate as well as depositional and paleoenvironmental conditions in marble and calcsilicate sequences recrystallized under transitional amphibolite-granulite metamorphic conditions in the Tanque Novo-Ipirá Complex within the Salvador-Curaçá Orogen, northeastern São Francisco Craton, state of Bahia, Brazil. Petrographic studies have identified up to 10 vol.% disseminated apatite and whole-rock P2O5 contents up to 3.2 wt.%. Post-depositional events affected the lithofacies to varying degrees. Late hydrothermalism did not modify the rare earth element and yttrium (REEY) patterns considerably. When normalized to Post-Archean Australian Shale (PAAS), these lithofacies are marked by flat pattern REEY, true negative Ce anomalies, and positive Y and Gd. The highly variable Eu anomalies were inherited from the source composition but may have been affected by interaction with fluids. U-Pb LA-ICP-MS (laser ablation multicollector inductively coupled plasma mass spectrometry) ages indicate a maximum depositional age of 2128 Ga, as well as Paleoproterozoic and Neoarchean sources. Samples with anomalous phosphorus show Y/Ho ratios &gt;30 and Ce/Ce* anomalies between 0.53 and 1.0 with an average of 0.70, suggesting a sub-oxic environment for phosphate precipitation.
DOI: 10.6084/m9.figshare.19923642
title: Evidence of Paleoproterozoic phosphogenesis in the Salvador-Curaçá Orogen (Tanque Novo-Ipirá Complex), northeastern São Francisco Craton, Brazil

description: Abstract This paper analyzes mineralogical, geochemical, and geochronological aspects, along with the effect of hydrothermal/metasomatic overprints, to identify the presence of primary phosphate as well as depositional and paleoenvironmental conditions in marble and calcsilicate sequences recrystallized under transitional amphibolite-granulite metamorphic conditions in the Tanque Novo-Ipirá Complex within the Salvador-Curaçá Orogen, northeastern São Francisco Craton, state of Bahia, Brazil. Petrographic studies have identified up to 10 vol.% disseminated apatite and whole-rock P2O5 contents up to 3.2 wt.%. Post-depositional events affected the lithofacies to varying degrees. Late hydrothermalism did not modify the rare earth element and yttrium (REEY) patterns considerably. When normalized to Post-Archean Australian Shale (PAAS), these lithofacies are marked by flat pattern REEY, true negative Ce anomalies, and positive Y and Gd. The highly variable Eu anomalies were inherited from the source composition but may have been affected by interaction with fluids. U-Pb LA-ICP-MS (laser ablation multicollector inductively coupled plasma mass spectrometry) ages indicate a maximum depositional age of 2128 Ga, as well as Paleoproterozoic and Neoarchean sources. Samples with anomalous phosphorus show Y/Ho ratios &gt;30 and Ce/Ce* anomalies between 0.53 and 1.0 with an average of 0.70, suggesting a sub-oxic environment for phosphate precipitation.
DOI: 10.6084/m9.figshare.19923643.v1
title: Rapid identification of microbial contaminants in pharmaceutical products using a PCA/LDA-based FTIR-ATR method

description: Microbiological quality of pharmaceuticals is fundamental in ensuring efficacy and safety of medicines. Conventional methods for microbial identification in non-sterile drugs are widely used; however they can be time-consuming and laborious. The aim of this paper was to develop a chemometric-based rapid microbiological method (RMM) for identifying contaminants in pharmaceutical products using Fourier transform infrared with attenuated total reflectance spectrometry (FTIR-ATR). Principal components analysis (PCA) and linear discriminant analysis (LDA) were used to obtain a predictive model capable of distinguishing Bacillus subtilis (ATCC 6633), Candida albicans (ATCC 10231), Enterococcus faecium (ATCC 8459), Escherichia coli (ATCC 8739), Micrococcus luteus (ATCC 10240), Pseudomonas aeruginosa (ATCC 9027), Salmonella typhimurium (ATCC 14028), Staphylococcus aureus (ATCC 6538), and Staphylococcus epidermidis (ATCC 12228) microbial growth. FTIR-ATR spectra provide data on proteins, DNA/RNA, lipids, and carbohydrates constitution of microbial growth. Microbial identification provided by PCA/LDA based on FTIR-ATR method were compatible with those obtained using traditional microbiological methods. The chemometric-based FTIR-ATR method for rapid identification of microbial contaminants in pharmaceutical products was validated by assessing the sensitivity (93.5%), specificity (83.3%), and limit of detection (17-23 CFU/mL of sample). Therefore, we propose that FTIR-ATR spectroscopy may be used for rapid identification of microbial contaminants in pharmaceutical products and taking into account the samples studied
DOI: 10.6084/m9.figshare.19923643
title: Rapid identification of microbial contaminants in pharmaceutical products using a PCA/LDA-based FTIR-ATR method

description: Microbiological quality of pharmaceuticals is fundamental in ensuring efficacy and safety of medicines. Conventional methods for microbial identification in non-sterile drugs are widely used; however they can be time-consuming and laborious. The aim of this paper was to develop a chemometric-based rapid microbiological method (RMM) for identifying contaminants in pharmaceutical products using Fourier transform infrared with attenuated total reflectance spectrometry (FTIR-ATR). Principal components analysis (PCA) and linear discriminant analysis (LDA) were used to obtain a predictive model capable of distinguishing Bacillus subtilis (ATCC 6633), Candida albicans (ATCC 10231), Enterococcus faecium (ATCC 8459), Escherichia coli (ATCC 8739), Micrococcus luteus (ATCC 10240), Pseudomonas aeruginosa (ATCC 9027), Salmonella typhimurium (ATCC 14028), Staphylococcus aureus (ATCC 6538), and Staphylococcus epidermidis (ATCC 12228) microbial growth. FTIR-ATR spectra provide data on proteins, DNA/RNA, lipids, and carbohydrates constitution of microbial growth. Microbial identification provided by PCA/LDA based on FTIR-ATR method were compatible with those obtained using traditional microbiological methods. The chemometric-based FTIR-ATR method for rapid identification of microbial contaminants in pharmaceutical products was validated by assessing the sensitivity (93.5%), specificity (83.3%), and limit of detection (17-23 CFU/mL of sample). Therefore, we propose that FTIR-ATR spectroscopy may be used for rapid identification of microbial contaminants in pharmaceutical products and taking into account the samples studied
DOI: 10.5281/zenodo.6593150
title: supplementary files

description: This data is a supplementary files.
DOI: 10.5281/zenodo.6593149
title: supplementary files

description: This data is a supplementary files.
DOI: 10.6084/m9.figshare.19923645
title: LEVEL OF REPAIR ANALYSIS INCLUDING FAILURE ANALYSIS AND OPTIMAL LOCATION OF MAINTENANCE FACILITIES AND RESOURCES

description: ABSTRACT Level of repair analysis (LORA) aims to determine the optimal repair policy for complex systems’ components. A repair policy is an a priori decision about which faulty components to discard or repair, and where these actions should take place. Traditionally, LORA models have assumed the maintenance network as pre-defined and identified the resources required to perform the maintenance at each facility as an output. In this paper, the maintenance network itself is an output rather than an input. Other advantages are the ability to deploy different types of resources at the operational level and to allow precise identification of the faulty component. We propose a mixed integer programming (MIP) formulation for the optimization problem, associated with a flow model. Experiments using a set of hypotheticals, but adequate for the purposes of the study, instances provide strong evidence that the formulation’s capabilities can lead to significant cost savings.
DOI: 10.6084/m9.figshare.19923645.v1
title: LEVEL OF REPAIR ANALYSIS INCLUDING FAILURE ANALYSIS AND OPTIMAL LOCATION OF MAINTENANCE FACILITIES AND RESOURCES

description: ABSTRACT Level of repair analysis (LORA) aims to determine the optimal repair policy for complex systems’ components. A repair policy is an a priori decision about which faulty components to discard or repair, and where these actions should take place. Traditionally, LORA models have assumed the maintenance network as pre-defined and identified the resources required to perform the maintenance at each facility as an output. In this paper, the maintenance network itself is an output rather than an input. Other advantages are the ability to deploy different types of resources at the operational level and to allow precise identification of the faulty component. We propose a mixed integer programming (MIP) formulation for the optimization problem, associated with a flow model. Experiments using a set of hypotheticals, but adequate for the purposes of the study, instances provide strong evidence that the formulation’s capabilities can lead to significant cost savings.
DOI: 10.6084/m9.figshare.19923646.v1
title: Atemoya sap flow estimation as a function of leaf area and reference evapotranspiration

description: Abstract The aim of this study was to quantify the water consumption of two atemoya cultivars in irrigated orchards using the thermal dissipation probe (TDP) method, relating transpiration with leaf area and evaporative demand of the atmosphere. The experiment was carried out in two atemoya orchards with young and adult plants of ‘Gefner’ and ‘African Pride’ cultivars at the experimental field of the University of the State of Bahia, in Juazeiro-BA. Plants sap flow was determined by TDP and vegetative growth, and meteorological variables were obtained. The sap flow of young atemoya plants reached maximum values of 10.2 and 8.4 L plant-1 day-1, in ‘Gefner’ and ‘African Pride’ cultivars, respectively. In adult plants, these values were 50.1 L plant-1 day-1 in ‘Gefner’ cultivar and 98.2 L plant-1 day-1 in ‘African Pride’ cultivar. The relationship between sap flow and leaf area showed linearity only for a given leaf area range, in both cultivars and orchards. Sap flow estimated from the product between leaf area and reference evapotranspiration can be used provided that the leaf area limits in which this relationship occurs, in each variety, are considered.
DOI: 10.6084/m9.figshare.19923646
title: Atemoya sap flow estimation as a function of leaf area and reference evapotranspiration

description: Abstract The aim of this study was to quantify the water consumption of two atemoya cultivars in irrigated orchards using the thermal dissipation probe (TDP) method, relating transpiration with leaf area and evaporative demand of the atmosphere. The experiment was carried out in two atemoya orchards with young and adult plants of ‘Gefner’ and ‘African Pride’ cultivars at the experimental field of the University of the State of Bahia, in Juazeiro-BA. Plants sap flow was determined by TDP and vegetative growth, and meteorological variables were obtained. The sap flow of young atemoya plants reached maximum values of 10.2 and 8.4 L plant-1 day-1, in ‘Gefner’ and ‘African Pride’ cultivars, respectively. In adult plants, these values were 50.1 L plant-1 day-1 in ‘Gefner’ cultivar and 98.2 L plant-1 day-1 in ‘African Pride’ cultivar. The relationship between sap flow and leaf area showed linearity only for a given leaf area range, in both cultivars and orchards. Sap flow estimated from the product between leaf area and reference evapotranspiration can be used provided that the leaf area limits in which this relationship occurs, in each variety, are considered.