cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.6084/m9.figshare.11313893
title: Technical efficiency of corn production in São Paulo State: A stochastic metafrontier approach

description: Abstract The present article analyzed the corn production technical efficiency in São Paulo state, using the stochastic metafrontier approach, based on the microdata from the Censitary Survey of the Agricultural Production Units of São Paulo state, performed by Secretariat of Agriculture and Supply for 2007/08, and crop and soil, climate and relief suitability information used to segment producers into high, medium and low suitability groups. The results of intragroups technical efficiency estimations revealed significant differences in the levels of efficiencies among these producers. However, the average rate of technological gap was close to unity for all groups of producers, indicating that the differences in technical efficiency observed among producers with different levels of suitability are more related to institutional and managerial issues of prodution than to the level of technology employed. Producers’ groups with the highest technical meta-efficiency average were those in areas of medium, high and low suitability, respectively. The results suggest that policies aimed at increasing technical efficiency and reducing the technological gap in regions with lower agricultural suitability may contribute to increase the productivity of this crop in São Paulo state.
DOI: 10.6084/m9.figshare.11313896.v1
title: Introducing rice yield loss caused by weed competition into the SimulArroz model

description: Abstract: The objective of this work was to model weedy rice (Oryza sativa) and barnyard grass (Echinochloa spp.) competition with flood-irrigated rice, introducing it as a submodule into the SimulArroz model. The competition of both weeds with irrigated rice was modeled using the rectangular hyperbola equation. The “i” and “a” coefficients of the rectangular hyperbola for each of these weeds were obtained from the literature and from field experiments carried out in the state of Rio Grande do Sul, Brazil. In SimulArroz, yield loss was applied to penalize yield in all three technological levels (high, medium, and low) of physiological maturity. For weedy rice, the coefficient values of imean for the high, medium, and low technological levels were 1.04, 1.50, and 3.57 respectively, and, for barnyard grass, 4.70, 10.49, and 15.51 respectively. Coefficient “a” was 100 for weedy rice, and amean values for barnyard grass were 101.63, 104.92, and 96.88 for the high, medium, and low levels, respectively. The yield loss approach was suitable to model the competition of weedy rice and barnyard grass with irrigated rice. The submodule yield loss caused by the competition of weedy rice and barnyard grass with irrigated rice improves the predictive capacity of the SimulArroz model.
DOI: 10.6084/m9.figshare.11313899.v1
title: Emilia Snethlage (1868-1929) and the reasons for celebrating 150 years since her birth

description: Abstract The document presents a portion of the trajectory of the first woman to be part of a Brazilian research institution. Emilia Snethlage (1868-1929) was a German-born woman who began to study the birds of the Amazon region. We initially point out questions about the life and work of this scientist, as well as general aspects of the history of science and gender studies. We also present a revised and updated reproduction of a newspaper article published on November 15, 1985 by Osvaldo Rodrigues da Cunha (1928–2011), who was also an important researcher at for the Museu Paraense Emílio Goeldi.
DOI: 10.6084/m9.figshare.11313902.v1
title: Research and development on jabuticaba (Myrciaria Cauliflora): overview on academic research and patents

description: Abstract Myrciaria Cauliflora, popularly known as jabuticaba, is a Brazilian native fruit, rich in antioxidants, such as anthocyanins, flavonoids and tannins. In the wake of its properties, the jabuticaba is the study object of current paper which verifies worldwide research and technological development on the fruit. Data on academic research were retrieved from the following databases: Web of Science (WoS), Scopus and Scientific Electronic Library Online (SciELO) and the patents were retrieved from Instituto Nacional de Propriedade Industrial (INPI), European Patent Office (ESPACENET), Derwent World Patents Index (DWPI) and Patentoscope. Studies on the jabuticaba have been frequently developed in recent years and are concentrated in areas of agriculture and food science and technology. Further, there is a gap between scientific research and technological development, albeit complementary.
DOI: 10.6084/m9.figshare.11313905.v1
title: Risk of Obstructive Sleep Apnea and Echocardiographic Parameters

description: Abstract Background: Obstructive sleep apnea (OSA) is a chronic progressive disorder with high mortality and morbidity rate, associated with cardiovascular diseases (CVD), especially heart failure (HF). The pathophysiological changes related to OSA can directly affect the diastolic function of the left ventricle. Objectives: To assess the association of the risk of OSA, evaluated by the Berlin Questionnaire (BQ), and echocardiographic (ECHO) parameters related to diastolic dysfunction in individuals without HF assisted in primary care. Methods: A cross-sectional study that included 354 individuals (51% women) aged 45 years or older. All individuals selected were submitted to an evaluation that included the following procedures: consultation, filling out the BQ, clinical examination, laboratory examination and transthoracic Doppler echocardiography (TDE). Continuous data are presented as medians and interquartile intervals, and categoric variables in absolute and relative frequencies. The variables associated with risk of OSA and at the 0.05 level integrated the gamma regression models with a log link function. A value of p &lt; 0.05 was considered an indicator of statistical significance. Exclusion criteria were presence of HF, to fill out the BQ and patients with hypertension and obesity not classified as high risk for OSA by other criteria. All individuals were evaluated on a single day with the following procedures: medical appointment, BQ, laboratory tests and ECHO. Results: Of the 354 individuals assessed, 63% were classified as having high risk for OSA. The patients with high risk for OSA present significantly abnormal diastolic function parameters. High risk for OSA confirmed positive and statistically significant association, after adjustments, with indicators of diastolic function, such as indexed left atrium volume LAV-i (p = 0.02); E’/A’ (p &lt; 0.01), A (p = 0.02), E/A (p &lt; 0.01). Conclusion: Our data show that patients at high risk for OSA present worsened diastolic function parameters measured by TDE.
DOI: 10.6084/m9.figshare.11313893.v1
title: Technical efficiency of corn production in São Paulo State: A stochastic metafrontier approach

description: Abstract The present article analyzed the corn production technical efficiency in São Paulo state, using the stochastic metafrontier approach, based on the microdata from the Censitary Survey of the Agricultural Production Units of São Paulo state, performed by Secretariat of Agriculture and Supply for 2007/08, and crop and soil, climate and relief suitability information used to segment producers into high, medium and low suitability groups. The results of intragroups technical efficiency estimations revealed significant differences in the levels of efficiencies among these producers. However, the average rate of technological gap was close to unity for all groups of producers, indicating that the differences in technical efficiency observed among producers with different levels of suitability are more related to institutional and managerial issues of prodution than to the level of technology employed. Producers’ groups with the highest technical meta-efficiency average were those in areas of medium, high and low suitability, respectively. The results suggest that policies aimed at increasing technical efficiency and reducing the technological gap in regions with lower agricultural suitability may contribute to increase the productivity of this crop in São Paulo state.
DOI: 10.6084/m9.figshare.11313881
title: Confraternidades negras na América portuguesa do Setecentos

description: abstract The propagation of the catholic faith in Portuguese America, although formally the responsibility of Lusitanian kings and an attribute of ecclesiastical personnel, found in its brotherhoods, confraternities and third orders effective supporters and promoters. As spaces of religious experiences and sociability, those lay associations spread throughout the colonial territory. Although inspired by their counterparts in the Metropolis, they kept marked traces of originality, especially those organized and maintained by the majority black population of African origin. The brotherhoods of “colored men”, which were the most numerous, by reinterpreting Catholicism were an expression of the incorporation of those social segments into the white world and, at the same time, vehicles of cultural resistance.
DOI: 10.6084/m9.figshare.11313884
title: Building and Interpretaing Boxplots by 9th Grade Portuguese Students

description: Abstract This study deals with the difficulties of 9th grade Portuguese students in the building and interpreting of boxplots (DEQ). The study is based on the responses given by 93 9th grade students to 2 questions on the DEQ in a written diagnostic test. By examining the configurations of the objects and mathematical processes that intervene in the students' resolutions, we have identified discrepancies between the personal meanings reached by the students and the institutional meanings intended in the construction and interpretation of the DEQ, noting that: (i) in the construction of the DEQ we observed confusions in the form of presenting a DEQ by incorporating its numeric support in the diagram itself, and difficulties in the accuracy to be considered for the support scale of the support when the data's variation domain is greater; and (ii) in the interpretation of DEQ, there are clear difficulties in analyzing the distributional form of the data through a DEQ, observing the tendency for the student to respond based on the intuitive perception of the symmetry and dispersion of the distribution, without resorting to statistical measures in their justifications. We also observed that the construction of the DEQ is easier than its interpretation. These results corroborate the idea that the analysis of aggregate data, using DEQ, is not an easy task to understand by students of this level of education, so we suggest a greater articulation between DEQ construction activities and interpretation activities.
DOI: 10.6084/m9.figshare.11313890
title: Profile and variability of intraocular pressure after the EX-PRESS device implant

description: Abstract Objective: The EX-PRESS device is a surgical alternative for the treatment of POAG. To describe the IOP behavior before and after the implantation of the EX-PRESS, the pharmacological treatment used in the pre and postoperative period and the complications in the first year of the postoperative period. Methods: A quantitative descriptive study with review of electronic medical records of a private ophthalmological reference hospital in Goiânia (GO) from 2013 to 2018. Sample composed of 8 eyes with POAG subjected to the EX-PRESS implant. We observed the variables: gender, age, operated eye, antiglaucomatous medications used, pre and postoperative intraocular pressure, and possible complications. Results: In the preoperative period, all eyes used antiglaucomatous drops, 75% used 3 or more different classes simultaneously. After 12 months of EX-PRESS, only 12.5% used three or more eye drops and 37.5% did not use any eye drops. On average, IOP varied from 18.63mmHg (SD 9.38) in the preoperative period to 14.50mmHg (SD 4.14) at 12 months postoperatively. Complications were: ocular hypotension, ocular hypertension; thinning of the conjunctival blister, cystic blister obstruction of the EX-PRESS. We resolved all coplications. Conclusion: The efficacy of EX-PRESS in IOP reduction was verified in the study. Concomitantly, there was a considerable decrease in anti-glaucomatous medications, and few associated complications.
DOI: 10.6084/m9.figshare.11313878
title: The brazilian chicken meat market in the context of the new regional trade agreements: Trans-pacific and Transatlantic

description: Abstract The study aims to examine the possible impacts of the Transpacific and Transatlantic agreements on the Brazilian chicken meat market. The methodology derives from a Spatial Equilibrium Model as a Mixed Complementarity Problem (MCP), based on five alternative scenarios, which aimed to highlight possible changes in the market of chicken meat from the implementation of new trade agreements. The results indicate that, in general, with the implementation of both agreements the Brazilian chicken meat market may invariably cause losses, particularly in relation to production, consequently, affect producers’ prices and surpluses. The most damaging scenarios for Brazil are the formation of the TPP in its broadest form, based on the elimination of tariff and non-tariff barriers, as well as the simultaneous formation of the agreements, in which the country shows a net loss in welfare. From this, we emphasize the importance of negotiating trade agreements to ensure the industry conditions of expansion and access to new markets.
DOI: 10.6084/m9.figshare.11313878.v1
title: The brazilian chicken meat market in the context of the new regional trade agreements: Trans-pacific and Transatlantic

description: Abstract The study aims to examine the possible impacts of the Transpacific and Transatlantic agreements on the Brazilian chicken meat market. The methodology derives from a Spatial Equilibrium Model as a Mixed Complementarity Problem (MCP), based on five alternative scenarios, which aimed to highlight possible changes in the market of chicken meat from the implementation of new trade agreements. The results indicate that, in general, with the implementation of both agreements the Brazilian chicken meat market may invariably cause losses, particularly in relation to production, consequently, affect producers’ prices and surpluses. The most damaging scenarios for Brazil are the formation of the TPP in its broadest form, based on the elimination of tariff and non-tariff barriers, as well as the simultaneous formation of the agreements, in which the country shows a net loss in welfare. From this, we emphasize the importance of negotiating trade agreements to ensure the industry conditions of expansion and access to new markets.
DOI: 10.6084/m9.figshare.11313881.v1
title: Confraternidades negras na América portuguesa do Setecentos

description: abstract The propagation of the catholic faith in Portuguese America, although formally the responsibility of Lusitanian kings and an attribute of ecclesiastical personnel, found in its brotherhoods, confraternities and third orders effective supporters and promoters. As spaces of religious experiences and sociability, those lay associations spread throughout the colonial territory. Although inspired by their counterparts in the Metropolis, they kept marked traces of originality, especially those organized and maintained by the majority black population of African origin. The brotherhoods of “colored men”, which were the most numerous, by reinterpreting Catholicism were an expression of the incorporation of those social segments into the white world and, at the same time, vehicles of cultural resistance.
DOI: 10.6084/m9.figshare.11313884.v1
title: Building and Interpretaing Boxplots by 9th Grade Portuguese Students

description: Abstract This study deals with the difficulties of 9th grade Portuguese students in the building and interpreting of boxplots (DEQ). The study is based on the responses given by 93 9th grade students to 2 questions on the DEQ in a written diagnostic test. By examining the configurations of the objects and mathematical processes that intervene in the students' resolutions, we have identified discrepancies between the personal meanings reached by the students and the institutional meanings intended in the construction and interpretation of the DEQ, noting that: (i) in the construction of the DEQ we observed confusions in the form of presenting a DEQ by incorporating its numeric support in the diagram itself, and difficulties in the accuracy to be considered for the support scale of the support when the data's variation domain is greater; and (ii) in the interpretation of DEQ, there are clear difficulties in analyzing the distributional form of the data through a DEQ, observing the tendency for the student to respond based on the intuitive perception of the symmetry and dispersion of the distribution, without resorting to statistical measures in their justifications. We also observed that the construction of the DEQ is easier than its interpretation. These results corroborate the idea that the analysis of aggregate data, using DEQ, is not an easy task to understand by students of this level of education, so we suggest a greater articulation between DEQ construction activities and interpretation activities.
DOI: 10.6084/m9.figshare.11313890.v1
title: Profile and variability of intraocular pressure after the EX-PRESS device implant

description: Abstract Objective: The EX-PRESS device is a surgical alternative for the treatment of POAG. To describe the IOP behavior before and after the implantation of the EX-PRESS, the pharmacological treatment used in the pre and postoperative period and the complications in the first year of the postoperative period. Methods: A quantitative descriptive study with review of electronic medical records of a private ophthalmological reference hospital in Goiânia (GO) from 2013 to 2018. Sample composed of 8 eyes with POAG subjected to the EX-PRESS implant. We observed the variables: gender, age, operated eye, antiglaucomatous medications used, pre and postoperative intraocular pressure, and possible complications. Results: In the preoperative period, all eyes used antiglaucomatous drops, 75% used 3 or more different classes simultaneously. After 12 months of EX-PRESS, only 12.5% used three or more eye drops and 37.5% did not use any eye drops. On average, IOP varied from 18.63mmHg (SD 9.38) in the preoperative period to 14.50mmHg (SD 4.14) at 12 months postoperatively. Complications were: ocular hypotension, ocular hypertension; thinning of the conjunctival blister, cystic blister obstruction of the EX-PRESS. We resolved all coplications. Conclusion: The efficacy of EX-PRESS in IOP reduction was verified in the study. Concomitantly, there was a considerable decrease in anti-glaucomatous medications, and few associated complications.
DOI: 10.6084/m9.figshare.11313869
title: 3-Dimensional Echocardiography and 2-D Strain Analysis of Left Ventricular, Left Atrial and Right Ventricular Function in Healthy Brazilian Volunteers

description: Abstract Background: New echocardiographic techniques are used in the diagnosis and prognosis of many heart diseases. However, reference values in different populations are still needed for several of these new indexes. We studied these new echocardiographic parameters in a group of Brazilians with no known cardiovascular disease. Objective: To study values for new echocardiographic indexes in Brazilians without known cardiovascular disease and their correlation with age. Methods: Cross-sectional study that included healthy individuals who underwent three-dimensional echocardiography (3DE) and two-dimensional speckle tracking echocardiography (STE) strain (e) analysis. Left atrial (LA) and left ventricular (LV) function were analyzed by 3DE and STE, and right ventricular (RV) function by STE. P values &lt; 0.05 were considered significant. Results: Seventy-seven subjects (46.7% men; 40.4 ± 10.4 years) were included. Maximum, minimum and pre-atrial contraction (pre-A) LA volumes (ml/m2) were 21.2 ± 5.5, 7.8 ± 2.5, and 11.0 ± 3.1, respectively. Peak positive global LA e (LAScd), peak negative global LA e and total global LA e (LASr) were 17.4 ± 5.2%, -13.2 ± 2.0% and 30.5 ± 5.9%, respectively. LV end-diastolic and end-systolic volumes (ml/m2) measured 57 ± 12 and 24 ± 6, and 3D LV ejection fraction measured 58 ± 6%. Global LV longitudinal, circumferential and radial e were -19 ± 2%, -19 ± 3%, and 46 ± 12%, respectively. LV torsion measured 1.6 ± 0.70 /cm. Global longitudinal RV e (RV-GLS) and RV free wall strain were -22 ± 3% and -24 ± 5%. Minimum LA and pre-A volumes, LV apical rotation, torsion and RV-GLS increased with age, while total and passive LA emptying fractions, LAScd, LASr, LV end-diastolic and end-systolic volumes decreased with age. Conclusion: Values for new echocardiographic indexes in Brazilians without known cardiovascular disease and their correlation with age are presented.
DOI: 10.6084/m9.figshare.11313872
title: ORGANIZING BUSINESS FORUMS WITH INTEGER LINEAR PROGRAMMING

description: ABSTRACT Business associations often promote forums between entrepreneurs. One strategy for establish contacts among participants is to organize them into small groups assigning them to tables so that participants in the same group can present their companies and projects. After an interval, a new round begins with new groups in order to establish new contacts. The repetition of this strategy allows each participant to expand his/her business network, but the repeated contacts between participants should be avoided. We present an Integer Linear Programming model that minimizes the repeated contacts when the participants are successively assigned to new groups. The model was implemented in R programming language and it has been applied to organize business forums. In order to illustrate the model application, this paper shows the results from a case study with 108 participants.
DOI: 10.6084/m9.figshare.11313860
title: Morphometric analysis of Littoraria angulifera (Caenogastropoda) in estuarine regions of northeastern Brazil

description: Abstract The gastropod Littoraria angulifera (Littorinidae) is an exclusively estuarine mollusk with Neotropical anfiatlantic distribution. Recent studies indicate a possible use of the species as bioindicator. The aim of this study was to analyze the shell height, as well as to perform a morphometric analysis of the reproductive apparatus of L. angulifera collected in 22 sampling points located between latitudes 13º54'S and 15º44'S in the South Atlantic, State of Bahia, Northeastern Brazil. The specimens were obtained in different estuarine environments including mangroves, as well as on rocks and concrete walls in places close to ports, shipyards and berths during January and February 2014. All specimens (n = 880) were analyzed regarding the sex and shell height/morphology, 440 were analyzed about the reproductive apparatus morphometry and 15 in histological description. The average shell height of animals from artificial substrates in nautical areas was lower (p&lt;0.05) than the animals from mangroves, mainly in preserved areas, evidencing relation with human impacts and desiccation. The morphometric analysis of L. angulifera reproductive tract allowed us to conclude that the length of prostate in males and of palial oviduct in females may be useful in the reproductive evaluation of the species.