cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.6084/m9.figshare.5861847
title: Compressive strength of masonry constructed with high strength concrete blocks

description: Abstract Although the use of high strength concrete blocks for the construction of tall buildings is becoming common in Brazil, their mechanical properties and behavior are not fully understood. The literature shows a gap in experimental studies with the use of high strength concrete blocks, i.e., those with compressive strength greater than 16 MPa. The work presented herein was conducted in order to study the behavior of high strength structural masonry. Therefore, the compressive strength and modulus of elasticity of concrete block walls tested under axial load were assessed. The specimens included grouted and ungrouted walls and walls with a mid-height bond beam; ungrouted walls were constructed with face-shell and full mortar bedding. The walls were built and tested in the laboratory of CESP and in the Structures Laboratory of the UNESP Civil Engineering Department in Ilha Solteira (NEPAE). Concrete blocks with nominal compressive strength of 16 (B1), 24 (B2) and 30 (B3) MPa were used. Ungrouted masonry walls had a height of 220 cm and a width of 120 cm while grouted masonry walls had a height of 220 cm and a width of 80 cm. Traditional Portland cement, sand and lime mortar was used. The testing program included 36 blocks, 18 prisms, 9 ungrouted walls (6 with face-shell mortar bedding and 3 with full mortar bedding), 9 grouted masonry walls, and 12 ungrouted walls with a bond beam at mid-height. The experimental results were used to determine the compressive strength ratio between masonry units, prisms and masonry walls. The analyses included assessing the cracking pattern, the mode of failure and the stress-strain curve of the masonry walls. Tests results indicate that the prism-to-unit strength ratio varies according to the block strength; that face-shell mortar bedding is suitable for high strength concrete masonry; and that 20% resistance decrease for face-shell mortar bedding when compared with full mortar bedding is a conservative consideration. The results also show that using a bond beam at the mid-height of the wall does not lead to a compressive strength decreased but it changes the failure mode and the shape of the stress-strain curve. In addition, the results show that estimating E = 800 fp is conservative for ungrouted masonry walls but reasonably accurate for grouted masonry walls and that there is no reason to limit the value of E to a maximum value of 16 GPa. Furthermore, the results show that, for design purposes, a wall-to-prism strength ratio value of 0.7 may be used for high strength concrete masonry.
DOI: 10.6084/m9.figshare.5861847.v1
title: Compressive strength of masonry constructed with high strength concrete blocks

description: Abstract Although the use of high strength concrete blocks for the construction of tall buildings is becoming common in Brazil, their mechanical properties and behavior are not fully understood. The literature shows a gap in experimental studies with the use of high strength concrete blocks, i.e., those with compressive strength greater than 16 MPa. The work presented herein was conducted in order to study the behavior of high strength structural masonry. Therefore, the compressive strength and modulus of elasticity of concrete block walls tested under axial load were assessed. The specimens included grouted and ungrouted walls and walls with a mid-height bond beam; ungrouted walls were constructed with face-shell and full mortar bedding. The walls were built and tested in the laboratory of CESP and in the Structures Laboratory of the UNESP Civil Engineering Department in Ilha Solteira (NEPAE). Concrete blocks with nominal compressive strength of 16 (B1), 24 (B2) and 30 (B3) MPa were used. Ungrouted masonry walls had a height of 220 cm and a width of 120 cm while grouted masonry walls had a height of 220 cm and a width of 80 cm. Traditional Portland cement, sand and lime mortar was used. The testing program included 36 blocks, 18 prisms, 9 ungrouted walls (6 with face-shell mortar bedding and 3 with full mortar bedding), 9 grouted masonry walls, and 12 ungrouted walls with a bond beam at mid-height. The experimental results were used to determine the compressive strength ratio between masonry units, prisms and masonry walls. The analyses included assessing the cracking pattern, the mode of failure and the stress-strain curve of the masonry walls. Tests results indicate that the prism-to-unit strength ratio varies according to the block strength; that face-shell mortar bedding is suitable for high strength concrete masonry; and that 20% resistance decrease for face-shell mortar bedding when compared with full mortar bedding is a conservative consideration. The results also show that using a bond beam at the mid-height of the wall does not lead to a compressive strength decreased but it changes the failure mode and the shape of the stress-strain curve. In addition, the results show that estimating E = 800 fp is conservative for ungrouted masonry walls but reasonably accurate for grouted masonry walls and that there is no reason to limit the value of E to a maximum value of 16 GPa. Furthermore, the results show that, for design purposes, a wall-to-prism strength ratio value of 0.7 may be used for high strength concrete masonry.
DOI: 10.6084/m9.figshare.5861844
title: Safety and efficacy of regional citrate anticoagulation in continuous blood purification treatment of patients with multiple organ dysfunction syndrome

description: The aim of this study was to discuss the safety and efficacy of regional citrate anticoagulation (RCA) on continuous blood purification (CBP) during the treatment of multiple organ dysfunction syndrome (MODS). Thirty-five patients with MODS were divided into two groups: the local citrate anticoagulation (RCA) group, and the heparin-free blood purification (hfBP) group. The MODS severity was assessed according to Marshall’s MODS score criteria. Blood coagulation indicators, blood pressure, filter lifespan, filter replacement frequency, anticoagulation indicators, and main metabolic and electrolyte indicators were analyzed and compared between RCA and hfBP groups. RCA resulted in lower blood pressure than hfBP. The filter efficacy in RCA treatment was longer than in the hfBP group. The blood clearance of creatine, blood urea nitrogen and uric acid was better in the RCA group. RCA also led to higher pH than hfBP. Neither treatment resulted in severe bleeding events. In addition, MODS score was positively correlated with prothrombin time and activated partial thromboplastin time but negatively correlated with platelet concentration. RCA is a safer and more effective method in CBP treatment; however, it could also lead to low blood pressure and blood alkalosis.
DOI: 10.6084/m9.figshare.5861844.v1
title: Safety and efficacy of regional citrate anticoagulation in continuous blood purification treatment of patients with multiple organ dysfunction syndrome

description: The aim of this study was to discuss the safety and efficacy of regional citrate anticoagulation (RCA) on continuous blood purification (CBP) during the treatment of multiple organ dysfunction syndrome (MODS). Thirty-five patients with MODS were divided into two groups: the local citrate anticoagulation (RCA) group, and the heparin-free blood purification (hfBP) group. The MODS severity was assessed according to Marshall’s MODS score criteria. Blood coagulation indicators, blood pressure, filter lifespan, filter replacement frequency, anticoagulation indicators, and main metabolic and electrolyte indicators were analyzed and compared between RCA and hfBP groups. RCA resulted in lower blood pressure than hfBP. The filter efficacy in RCA treatment was longer than in the hfBP group. The blood clearance of creatine, blood urea nitrogen and uric acid was better in the RCA group. RCA also led to higher pH than hfBP. Neither treatment resulted in severe bleeding events. In addition, MODS score was positively correlated with prothrombin time and activated partial thromboplastin time but negatively correlated with platelet concentration. RCA is a safer and more effective method in CBP treatment; however, it could also lead to low blood pressure and blood alkalosis.
DOI: 10.6084/m9.figshare.5861838
title: Leader prolific authors in Spanish tourism research

description: Abstract Tourism and hospitality is a very important industry in the world. Specially, it is one of the most important sectors in Spain. Therefore, Spanish tourism research must play a relevant role. This paper focuses on the analysis of the international scientific output of the Spanish researchers on tourism and hospitality. The bibliometric analysis was performed using the database Scopus from 2002 to 2013. Hence, the article’s first objective was the identification of the main Spanish researchers in tourism and hospitality. The second objective was to identify the leader and most prolific authors in tourism and hospitality research in Spain. This second objective sought to provide a procedure for selecting leader authors, therefore enabling a distinction among different authors who publish their research in tourism and hospitality. A ranking of 79 prolific leader authors in tourism and hospitality research was obtained using a methodology based especially on authorship order.
DOI: 10.6084/m9.figshare.5861838.v1
title: Leader prolific authors in Spanish tourism research

description: Abstract Tourism and hospitality is a very important industry in the world. Specially, it is one of the most important sectors in Spain. Therefore, Spanish tourism research must play a relevant role. This paper focuses on the analysis of the international scientific output of the Spanish researchers on tourism and hospitality. The bibliometric analysis was performed using the database Scopus from 2002 to 2013. Hence, the article’s first objective was the identification of the main Spanish researchers in tourism and hospitality. The second objective was to identify the leader and most prolific authors in tourism and hospitality research in Spain. This second objective sought to provide a procedure for selecting leader authors, therefore enabling a distinction among different authors who publish their research in tourism and hospitality. A ranking of 79 prolific leader authors in tourism and hospitality research was obtained using a methodology based especially on authorship order.
DOI: 10.6084/m9.figshare.5861835
title: Can whitening toothpastes maintain the optical stability of enamel over time?

description: Abstract Besides the effects on the health of individuals, cigarette smoking can also interfere with the appearance of their teeth. Objective: To evaluate the effect of cigarette smoking-toothbrushing-cycling (CSTC) with whitening toothpastes on the roughness and optical behavior of bovine enamel for eight weeks. Material and Methods: Thirty bovine dentin/enamel discs, 8.0 mm in diameter and 2.0 mm thick, were randomly divided into three groups according to the toothpastes: whitening (Colgate Luminous White - CW and Oral B 3D White - OW), and a non-whitening (Colgate - C). The roughness, color (CIE L*a*b* system), translucency and gloss were measured before and after the specimens were submitted to CSTC. The topography of the specimens was analyzed by scanning electron microscopy. During the first week, the specimens were daily subjected to the consumption of 20 cigarettes and brushed (40 strokes/100 g) with the toothpastes' slurries. Thereafter, the CSTC was weekly applied in an accumulated model (140 cigarettes/280 strokes) for seven weeks. The data were submitted to two-way ANOVA, Tukey's HSD test, and paired-t test (α=0.05). Results: The three toothpastes produced significant changes in roughness, color, translucency and gloss (p&lt;0.05). After eight weeks, the roughness and the gloss produced by the three toothpastes were similar (p&gt;0.05), while OW produced the lowest color change and the translucency of C was lower than that of CW (p&lt;0.05). The three toothpastes produced a significant decrease in L* values and a significant increase in a* values after eight weeks (p&lt;0.05). No significant difference in the b* coordinate was found for OW (p=0.13) There were topographic changes in the enamel surfaces. Conclusions: The whitening toothpastes increased the roughness, changed the topography and were not able to maintain the optical stability of enamel exposed over eight weeks.
DOI: 10.6084/m9.figshare.5861835.v1
title: Can whitening toothpastes maintain the optical stability of enamel over time?

description: Abstract Besides the effects on the health of individuals, cigarette smoking can also interfere with the appearance of their teeth. Objective: To evaluate the effect of cigarette smoking-toothbrushing-cycling (CSTC) with whitening toothpastes on the roughness and optical behavior of bovine enamel for eight weeks. Material and Methods: Thirty bovine dentin/enamel discs, 8.0 mm in diameter and 2.0 mm thick, were randomly divided into three groups according to the toothpastes: whitening (Colgate Luminous White - CW and Oral B 3D White - OW), and a non-whitening (Colgate - C). The roughness, color (CIE L*a*b* system), translucency and gloss were measured before and after the specimens were submitted to CSTC. The topography of the specimens was analyzed by scanning electron microscopy. During the first week, the specimens were daily subjected to the consumption of 20 cigarettes and brushed (40 strokes/100 g) with the toothpastes' slurries. Thereafter, the CSTC was weekly applied in an accumulated model (140 cigarettes/280 strokes) for seven weeks. The data were submitted to two-way ANOVA, Tukey's HSD test, and paired-t test (α=0.05). Results: The three toothpastes produced significant changes in roughness, color, translucency and gloss (p&lt;0.05). After eight weeks, the roughness and the gloss produced by the three toothpastes were similar (p&gt;0.05), while OW produced the lowest color change and the translucency of C was lower than that of CW (p&lt;0.05). The three toothpastes produced a significant decrease in L* values and a significant increase in a* values after eight weeks (p&lt;0.05). No significant difference in the b* coordinate was found for OW (p=0.13) There were topographic changes in the enamel surfaces. Conclusions: The whitening toothpastes increased the roughness, changed the topography and were not able to maintain the optical stability of enamel exposed over eight weeks.
DOI: 10.6084/m9.figshare.5861829
title: Continuing education of teachers and librarians for information literacy. The contribution of distance education

description: Abstract In contemporary society, continuous qualification is a condition for individuals to act as critical and reflective citizens. In this context, continuing education is essential for the development of skills and abilities that have not been learned in graduation. The article presents a reflection about the potential of Distance Education to the continuing learning of teachers and librarians for informational practice, as they are important actors for the information literacy to be implanted and consolidated in school. Research conducted on Coordenação de Aperfeiçoamento de Pessoal de Nível Superior website shows that there are few published works about information literacy courses by distance education, especially for the training of librarians.
DOI: 10.6084/m9.figshare.5861829.v1
title: Continuing education of teachers and librarians for information literacy. The contribution of distance education

description: Abstract In contemporary society, continuous qualification is a condition for individuals to act as critical and reflective citizens. In this context, continuing education is essential for the development of skills and abilities that have not been learned in graduation. The article presents a reflection about the potential of Distance Education to the continuing learning of teachers and librarians for informational practice, as they are important actors for the information literacy to be implanted and consolidated in school. Research conducted on Coordenação de Aperfeiçoamento de Pessoal de Nível Superior website shows that there are few published works about information literacy courses by distance education, especially for the training of librarians.
DOI: 10.6084/m9.figshare.5861826
title: Thabit's parábola quadrature: an approach through kinematical results

description: The Thabit's area formula of a segment of a parabola is reconsidered. Use is made of the properties of the projectile launch describing a parabolic trajectory, as routinely exposed in introductory Physics courses. This treatment emphasizes the relationship between Mathematics and Physics, and it is also a recreation for some historic pre-calculus arguments
DOI: 10.6084/m9.figshare.5861826.v1
title: Thabit's parábola quadrature: an approach through kinematical results

description: The Thabit's area formula of a segment of a parabola is reconsidered. Use is made of the properties of the projectile launch describing a parabolic trajectory, as routinely exposed in introductory Physics courses. This treatment emphasizes the relationship between Mathematics and Physics, and it is also a recreation for some historic pre-calculus arguments
DOI: 10.6084/m9.figshare.5861823
title: The influence of the photoperiod on productive performance and survival of piabanha-of-Pardo (Brycon vonoi ), hatchery

description: ABSTRACT: This research aimed to verify the influence of the photoperiod on the performance and survival piabanha-of-Pardo (Brycon vonoi) larvae. Piabanha-of-Pardo larvae 24 hours post-hatch, with body weight of 2.44 ± 0.02mg, and total length of 7.82 ± 0.46mm, were subjected to five different photoperiods: 0L:24D, 6L:18D, 12L:12D, 18L:6D and 24L:0D (871.12 ± 92.65 lux). Daily, the water temperature, dissolved oxygen (DO), percentage of oxygen saturation, pH, and water conductivity were monitored, and presented similar water quality values among tanks with distinct photoperiods, and within the range considered appropriate for the genus Brycon larvae. Piabanha-of-Pardo larvae have better productive performance and survival rate at longer photoperiods, over 6 hours of light and below 12 hours of light per day. The 9L:15D photoperiod, specified by the derived equation, is indicated for the piabanha larviculture, but researches with the species and the photoperiod need to be better studied.
DOI: 10.6084/m9.figshare.5861823.v1
title: The influence of the photoperiod on productive performance and survival of piabanha-of-Pardo (Brycon vonoi ), hatchery

description: ABSTRACT: This research aimed to verify the influence of the photoperiod on the performance and survival piabanha-of-Pardo (Brycon vonoi) larvae. Piabanha-of-Pardo larvae 24 hours post-hatch, with body weight of 2.44 ± 0.02mg, and total length of 7.82 ± 0.46mm, were subjected to five different photoperiods: 0L:24D, 6L:18D, 12L:12D, 18L:6D and 24L:0D (871.12 ± 92.65 lux). Daily, the water temperature, dissolved oxygen (DO), percentage of oxygen saturation, pH, and water conductivity were monitored, and presented similar water quality values among tanks with distinct photoperiods, and within the range considered appropriate for the genus Brycon larvae. Piabanha-of-Pardo larvae have better productive performance and survival rate at longer photoperiods, over 6 hours of light and below 12 hours of light per day. The 9L:15D photoperiod, specified by the derived equation, is indicated for the piabanha larviculture, but researches with the species and the photoperiod need to be better studied.
DOI: 10.6084/m9.figshare.5861817
title: C. difficile assays

description: This folder contains raw and processed data for C. difficile-related assays performed in this study.
DOI: 10.6084/m9.figshare.5861817.v1
title: C. difficile assays

description: This folder contains raw and processed data for C. difficile-related assays performed in this study.
DOI: 10.6084/m9.figshare.5861814
title: Cuadernos Médico Sociales from Rosario, Argentina, and other Latin American social medicine journals from the 1970s and 1980s

description: Abstract In the 1970s and 1980s, a series of journals were founded to disseminate ideas from Latin American social medicine in various countries across the continent, during the early stage of a movement that would later become institutionalized in Brazil under the name “collective medicine.” In this article, we look at the principal characteristics of those endeavors: Revista Centroamericana de Ciencias de la Salud, Saúde em Debate, Salud Problema, Revista Latinoamericana de Salud and Cuadernos Médico Sociales. We focus in particular on Cuadernos Médico Sociales, published in Rosario, Argentina. We analyze the conditions under which this publication emerged, the editorial processes it followed, and the central role played by Carlos Bloch, its founder and managing editor.
DOI: 10.6084/m9.figshare.5861814.v1
title: Cuadernos Médico Sociales from Rosario, Argentina, and other Latin American social medicine journals from the 1970s and 1980s

description: Abstract In the 1970s and 1980s, a series of journals were founded to disseminate ideas from Latin American social medicine in various countries across the continent, during the early stage of a movement that would later become institutionalized in Brazil under the name “collective medicine.” In this article, we look at the principal characteristics of those endeavors: Revista Centroamericana de Ciencias de la Salud, Saúde em Debate, Salud Problema, Revista Latinoamericana de Salud and Cuadernos Médico Sociales. We focus in particular on Cuadernos Médico Sociales, published in Rosario, Argentina. We analyze the conditions under which this publication emerged, the editorial processes it followed, and the central role played by Carlos Bloch, its founder and managing editor.
DOI: 10.6084/m9.figshare.5861793
title: MEDIATION BETWEEN THE SECONDARY SCHOOL AND THE WORKING WORLD IN TECHNICIANS TRAINING IN BRAZIL

description: Abstract This paper analyzes the mediation between the school and the employment market in the mid-level technical training in Brazilian teaching institutions belonging to the Rede Federal de Educação Profissional, Científica e Tecnológica that materializes mainly through supervised internship activities. The paper's goal is to explain to what extent the mediation between school and employment market has been perverted by market logic, shifting the supervised internship activities of the teaching field to the field of workforce intermediation, giving it precarious job character. This is a basic research, developed by qualitative analysis, pointing as a result the distinction of conceptions and practices internship supervised in two categories. The first categorie is inserted in the pragmatic training perspective and another which is inserted in the omnilateral training perspective. The author points out the predominance of the pragmatic prospect of training in actions and conceptions of mediation between school and the employment market, which corrupts the internship activities supervised, giving it characteristics of precarious work.