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This article demonstrates the importance of treatment application procedures on the consolidation effectiveness obtained by comparison of the results obtained using three different consolidants on four carbonate stone types, and proposes a general methodology for assessing the potential effectiveness of consolidants in laboratory conditions. It stresses the relevance of taking into account the treatment methodology, given the influence application protocols can have on the overall behaviour of the consolidated material. Several mechanical properties were assessed to demonstrate this influence on the performance of the consolidant. The results demonstrate that the strengthening action achieved with a specific product can only be defined in a strict relation to the treatment protocol used to produce it. The results also contribute towards the definition of standard testing protocols on stone consolidation. The application of a consolidant by direct contact capillary absorption is a reliable procedure and the results are easier to interpret than others obtained by brushing or by full immersion, thus making this procedure a good candidate for an eventual standard laboratory assessment method of the consolidation action of any specific stone/consolidant combination. This study also showed that the best test method to assess the strengthening action of stone consolidants in soft stones is DRMS (Drilling Resistance Measuring System). Moreover, the collection of longitudinal ultrasound velocity profiles determined in stones specimens treated by contact capillary absorption was shown to be a useful non-destructive method to assess the depth of the strengthening action achieved. 相似文献
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Monica McGlynn-Stewart Shelley Murphy Ivorie Pinto Emma Mogyorodi Thien Nguyen 《Education 3-13》2019,47(6):692-704
There is conflicting research on the value of using digital technology with young children. This study investigated how an app, used in conjunction with dual language picture books, can support the social, emotional, and literacy learning of bi/multilingual children. Twenty-one children used the app Talking Stickers at home and school for four weeks. The classroom was observed and the educators and parents were interviewed and surveyed. The findings indicated that children had enhanced opportunities to practice social, cognitive, and multi-lingual literacy skills, and bonds between home and school were strengthened. The research has implications for classroom practice and home-school programmes. 相似文献
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Cristine Lima Alberton Paula Finatto Stephanie Santana Pinto Amanda Haberland Antunes Eduardo Lusa Cadore Marcus Peikriszwili Tartaruga 《Journal of sports sciences》2015,33(8):795-805
The purpose was to analyse the vertical ground reaction forces (Fz) of head-out aquatic exercises [stationary running (SR), frontal kick (FK), cross-country skiing (CCS), jumping jacks (JJ), adductor hop (ADH) and abductor hop (ABH)] at two cadences in both aquatic and dry land environments. Twelve young women completed two sessions in each environment, each consisting of three exercises performed at two cadences (first and second ventilatory thresholds – C1 and C2, respectively). Two-way and three-way repeated measures analysis of variance were used to the statistical analysis. The results showed that the peak Fz and impulse were significantly lower in the aquatic environment, resulting in values from 28.2% to 58.5% and 60.4% to 72.8% from those obtained on dry land, respectively. In the aquatic environment, the peak Fz was lower and the impulse was higher at the C1 than at the C2. Furthermore, it was observed that SR and FK (0.9–1.1 BW) elicited a significantly higher peak Fz values compared to the ADH and JJ exercises (0.5–0.8 BW). It can be concluded that the aquatic environment reduces the Fz during head-out aquatic exercises. It should be noted that its magnitude is also dependent on the intensity and the identity of the exercise performed. 相似文献
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Raquel Raimundo Alexandra Marques‐Pinto Maria Luísa Lima 《Psychology in the schools》2013,50(2):165-180
This quasi‐experimental exploratory study investigated whether a social–emotional learning program, implemented during a 1‐year period, could lead to gains in social–emotional competencies and a reduction in internalizing and externalizing problems. Furthermore, it showed which pupils would benefit most from the program. The program was applied to 213 fourth‐grade Portuguese pupils. One hundred five controls followed an Origami curriculum during the same period. Sixteen teachers also participated in this study. Self‐report (pupils) and hetero‐report (teachers) questionnaires were administered before and after the intervention. There were significant intervention gains in some social–emotional competencies, namely, peer relations and social competence, but no gains were found in internalizing and externalizing problems. Intervention pupils with average pre‐test scores profited more in self‐management and peer relations than controls. Boys showed greater gains in self‐management, aggressiveness, and social problems than girls. There were no significant differences regarding socioeconomic status. 相似文献
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Jorge Américo Dinis Machado Joselina Maria Pinto Barbosa Maria Amélia Duarte Ferreira 《Anatomical sciences education》2013,6(3):163-169
Radiological imaging is gaining relevance in the acquisition of competencies in clinical anatomy. The aim of this study was to evaluate the perceptions of medical students on teaching/learning of imaging anatomy as an integrated part of anatomical education. A questionnaire was designed to evaluate the perceptions of second‐year students participating in a clinical anatomy course over three consecutive academic years. A principal component analysis was used to evaluate the dimensionality of the questionnaire. The variables were summarized using frequencies, mean, median, 25th percentile, 75th percentile, minimum, and maximum. The results demonstrated that students felt the teaching of imaging anatomy influenced learning in the clinical anatomy course (mean = 4.5, median = 5.0) and subsequent clinical courses (mean = 4.4, median = 4.0). Regarding the imaging techniques used in the demonstration of anatomical structures, computed tomography (median = 5.0) and magnetic resonance imaging (median = 5.0) were highly rated. Students suggested the use of additional support material (37.6%) and favored a more practical approach. In conclusion, the results of this work highlight the value of imaging anatomy in learning human anatomy. Students' comments pointed out a need to focus teaching/learning programs toward a more practical rather than theoretical approach as well as a need to provide a better fit between sectional anatomy and clinical cases using imaging anatomy. In order to provide an optimal learning environment to students, it also seems important to create improved media material as an additional resource tool. Anat Sci Educ. © 2013 American Association of Anatomists. 相似文献
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Ricardo Dantas de Lucas Fabrizio Caputo Kristopher Mendes de Souza AndrÉ Roberto Sigwalt Karina Ghisoni Paulo Cesar Lock Silveira 《Journal of sports sciences》2013,31(1):22-27
Whole-body bone mineral density and bone mineral mass in young adult rugby union players. 相似文献
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We report the results of an experiment designed to elicit students’ subjective beliefs about the economic returns to college education. An important feature of our experimental design is the inclusion of financial incentives for accurate reporting. We also consider the extent to which individuals’ beliefs about their own returns differ from their beliefs about the returns for others. The evidence shows that students do have a self-enhancement tendency, and this finding cannot be attributed to previously uncontrolled order effects. The evidence also indicates that there is no significant difference between beliefs elicited using hypothetical surveys or real financial incentives in the elicitation procedure. This finding suggests that economists’ reluctance to gather subjective data on earnings expectations may not be warranted. 相似文献
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Pinto Giuliana Tarchi Christian Bigozzi Lucia 《European Journal of Psychology of Education - EJPE》2020,35(1):137-154
European Journal of Psychology of Education - This study presents an original genre awareness intervention for kindergarten children. The efficacy of the intervention was tested on children’s... 相似文献