128 research outputs found
Adolescents’ Reasoning about Unambiguous Peer Harm: Variations Across Relationship Contexts and Types of Harm
This thesis examined variations across relationship contexts and types of transgressions in adolescents’ reasoning about unambiguous peer harm at school. A total of 141 Canadian and American adolescents (73 girls, 67 boys, 1 other) ranging from ages 14 to 17 years (M = 15.74 SD = 1.06) responded to four online vignettes depicting psychological or material unambiguous harms committed by a good friend or a peer they did not know. Overall, when the perpetrator was a good friend, youths evaluated the harm as more bad and reported feeling more hurt and sad, but also made more benign attributions and endorsed more restorative responses, as well as more learning and relationship-oriented goals. These findings suggest that even in the face of unambiguous transgressions, youth still found ways to mitigate their friends’ culpability by interpreting their behavior through a more generous lens. Conversely, when the perpetrator was a neutral peer, youths interpreted their behavior as more hostile and endorsed more punitive strategies and justice goals. Regarding situational features of harm, youths judged material harms to have more serious consequences than psychological harms and reported stronger emotional responses to them; youth also interpreted material harms as more hostile and less benign and endorsed more punitive responses. Finally, youth also endorsed more revenge, justice, and learning goals in response to material harms, and more relationship-oriented goals following psychological harms. Overall, this study adds to the literature by examining how youths’ cognitive, affective, and behavioral judgments are informed by socio-contextual features of harm. Ultimately, the more forgiving pattern observed with good friends can inform processes to address peer harm in schools in more peaceful and restorative ways
Evaluation of environmental quality of mediterranean coastal lagoons using persistent organic pollutants and metals in thick-lipped grey mullet
The evaluation of past and present anthropogenic impacts affecting the ecological quality status of transitional ecosystems is crucial from the perspective of protecting them from further deterioration, and to evaluate remediation and restoration measures. Contamination patterns of thick-lipped grey mullet from two Mediterranean coastal lagoons within a protected area in Italy were assessed and compared in order to evaluate their overall quality status and to collect information that can provide useful feedback on management choices aimed at enhancing environmental quality and biodiversity conservation. The quality status of the two lagoons was evaluated by an environmental assessment methodology based on indicators of direct and indirect human pressures, while a broad range of analyses were carried out to determine the presence and concentration of persistent organic pollutants (POPs) and metals in fish muscle tissue. A good quality status resulted for both lagoons, and an overall limited anthropogenic impact in the surrounding area. This could account for POPs and metal contamination levels found in mullet, although limited, and relating to their patterns. The overlap of results achieved with the two evaluation approaches can provide support for management choices in Mediterranean lagoon environments, especially for those committed to the protection and conservation of biodiversity
O plantio e o processamento florestal como alternativa econômica para pequenas propriedades e comunidades rurais.
Introdução; Aspectos gerais na implantação de pólo movelerio; Estratégia de ação; Indicadores econômicos e sociais do plantio e processamento florestal; Considerações gerais.bitstream/item/17081/1/doc71.pd
Estrutura da renda familiar em associações de pequenos produtores do nordeste do Estado do Pará.
Annual ryegrass (Lolium multiflorum lam.)-ruminant relation.
Italian ryegrass is the annual cool season forage species more cultivated for grazing in southern Brazil. Its interesting forage charac-teristics, in addition to the reduced production of native pasture species during low temperatures period (Autumn-Winter) justify its large scale utilization. However, the lack of knowledge of annual ryegrass morphophysiologic characteris-tics, as well as the grazing behavior of animals, may result in animal and vegetal production gain below the real productive potential. Research data results, up to the present time, show that the adequate management of this grass species suggests defoliation periods between 300 and 500 GD and dry matter availability between 8 and 18% of animal live weight, which allow greater animal and plant production. Dry matter offer near 8% of live weight (PV) favor animal performance per area, whereas forage offer close to 18% of animal live weight favor the individual animal performance, independently of the grazing system utilized. Other factors of important impact on morpho-physiologic characteristics of the pasture and animal grazing behavior are discussed in this paper, to serve as guideline for the management of animals, in Italian ryegrass pastures and furnish subsides to future research.O azevém anual é a espécie forrageira de estação fria mais cultivada para pastejo no Sul do Brasil. Suas interessantes características forrageiras aliadas à reduzida produção da maior parte das espécies nativas durante o período de baixas temperaturas justificam a utilização em larga escala. Entretanto, o desconhecimento de suas características morfofisiológicas, bem como do hábito de pastejo dos animais, podem resultar em ganhos de produto animal e vegetal muito inferior ao potencial produtivo. Conforme a produção literária até o presente momento, o adequado manejo desta gramínea deve ter períodos entre desfolhas de 300 a 500 GD e ofertas de matéria seca entre 8 e 18% do peso corporal dos animais, as quais possibilitam maiores produções, tanto vegetal como animal. As ofertas próximas a 8% PV favorecem o desempenho animal por área; enquanto que, as ofertas próximas a 18% PV, o desempenho individual, independe do sistema de pastoreio adotado. Outros fatores de importante impacto nas características morfofisiológicas da pastagem e no comportamento dos animais em pastejo são abordados no presente artigo para de orientar o manejo dos animais em azevém anual e fornecer subsídios para futuras pesquisas
Detection of SARS-CoV-2 and other infectious agents in lower respiratory tract samples belonging to patients admitted to intensive care units of a tertiary-care hospital, located in an epidemic area, during the italian lockdown
The aim of this study was the detection of infectious agents from lower respiratory tract (LRT) samples in order to describe their distribution in patients with severe acute respiratory failure and hospitalized in intensive care units (ICU) in an Italian tertiary-care hospital. LRT samples from 154 patients admitted to ICU from 27 February to 10 May 2020 were prospectively examined for respiratory viruses, including SARS-CoV-2, bacteria and/or fungi. SARS-CoV-2 was revealed in 90 patients (58.4%, 72 males, mean age 65 years). No significant difference was observed between SARS-CoV-2 positives and SARS-CoV-2 negatives with regard to sex, age and bacterial and/or fungal infections. Nonetheless, fungi were more frequently detected among SARS-CoV-2 positives (44/54, 81.4%, p = 0.0053). Candida albicans was the overall most frequently isolated agent, followed by Enterococcus faecalis among SARS-CoV-2 positives and Staphylococcus aureus among SARS-CoV-2 negatives. Overall mortality rate was 40.4%, accounting for 53 deaths: 37 among SARS-CoV-2 positives (mean age 69 years) and 16 among SARS-CoV-2 negatives (mean age 63 years). This study highlights the different patterns of infectious agents between the two patient categories: fungi were prevalently involved among SARS-CoV-2-positive patients and bacteria among the SARS-CoV-2- negative patients. The different therapies and the length of the ICU stay could have influenced these different patterns of infectious agents
Near-infrared reflectance spectroscopy for predicting the phospholipid fraction and the total fatty acid composition of freeze-dried beef
Peer reviewe
Development of chemical field effect transistors for the detection of urea
Abstract Low cost, disposable, chemical field effect transistor (ChemFET) microsensors including a SiO 2 /Si 3 N 4 pH-sensitive gate, a Chem-FET/ReFET structure and a titanium/gold pseudo-electrode have been fabricated using a standard P-well silicon technology. The fabrication process is described and sensor properties and performances are demonstrated through pH measurements. The pH-ChemFET is adapted to biochemical applications owing to photosensitive polyvinyl alcohol (PVA) layers patterned by standard photolithography techniques. Application is performed through the development of urease-based enzymatic field effect transistor (U-EnFET) for the detection of urea. The microsensor will be used for blood analysis and more precisely for hemodialysis
Cadeia produtiva de Pinus na região sul do Brasil: um diagnóstico preliminar.
bitstream/CNPF-2009-09/16604/1/com_tec19.pd
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