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Mostrando 25-36 de 4928 artigos, teses e dissertações.
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25. PERFORMING ANGLOPHONE LITERATURE WORLDWIDE INTERVIEW WITH JONAH SALZ
Abstract This article, we delineate the relationship between nonsense, opposition and paradox in selected excerpts of the works of Edward Lear (1812-1888) and Qorpo Santo (1829-1883), considering nonsense and paradox in the light of the theories proposed mainly by Gilles Deleuze (2015) and Charles Ogden (1932) and secondarily by Jean Jacques Lecercle (1994),
Ilha Desterro. Publicado em: 2021-04
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26. Device for Streptavidin Detection Using LSPR and Electrochemical Transductions on the same Platform
Research in biosensing currently occupies an important role among biomolecular detection techniques, especially with respect to medical diagnoses. Is this sense, the development of biosensors based on the localized surface plasmon resonance (an optical transducer) or electrochemical transductions have been highlighted. However, optical and electrochemical de
J. Braz. Chem. Soc.. Publicado em: 2021-04
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27. CLASSIFICAÇÃO DAS SUBSTÂNCIAS QUÍMICAS: UM CONCEITO POUCO EXPLORADO NA EDUCAÇÃO QUÍMICA
The classification of chemical substances is a concept little explored in Chemistry teaching literature and in Chemistry textbooks at higher and secondary levels. The aim of this paper is to discuss theoretically the importance and contributions of this concept for teaching and learning Chemistry. The History of Chemistry reveals that the chemical criteria f
Quím. Nova. Publicado em: 2021-04
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28. Fatores de Risco Cardiovascular em Cardiologistas Certificados pela Sociedade Brasileira de Cardiologia: Lições a serem Aprendidas
Objectives: Although the Children’s Yale-Brown Obsessive-Compulsive Scale (CY-BOCS) includes ancillary symptom dimensions – insight, avoidance, degree of indecisiveness, inflated sense of responsibility, pervasive slowness/disturbance of inertia, and pathological doubting –, we know little about their clinical/scientific utility. We examined these anc
Arq. Bras. Cardiol.. Publicado em: 2021-04
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29. Association of insight, avoidance behavior, indecisiveness, and inflated responsibility with other clinical characteristics in children and adolescents with obsessive-compulsive disorder
Objectives: Although the Children’s Yale-Brown Obsessive-Compulsive Scale (CY-BOCS) includes ancillary symptom dimensions – insight, avoidance, degree of indecisiveness, inflated sense of responsibility, pervasive slowness/disturbance of inertia, and pathological doubting –, we know little about their clinical/scientific utility. We examined these anc
Braz. J. Psychiatry. Publicado em: 2021-04
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30. IMIDAZOL E CATÁLISE: UM PAR PERFEITO
The imidazole (IMZ) ring presents several chemical properties that turns it into a versatile acid-basic/nucleophilic catalyst. The discovery of the biological properties of histidine (amino acid with IMZ ring) instigates the study of this class of compounds. It is found in nature in several enzymes such as chymotrypsin and RNAses due to these properties. Thi
Quím. Nova. Publicado em: 2021-03
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31. Sistema de Aquisição e Transmissão de Dados para Análises de Dióxido de Carbono
Resumo Apesar de constituírem parte minoritária na composição da atmosfera, os chamados os gases de efeito estufa desempenham um papel crucial em sua termodinâmica. Nos últimos 200 anos, entretanto, as atividades humanas alteraram significativamente o ciclo global do carbono. Desse modo, no atual contexto do aquecimento global, quantificar, com valores
Rev. bras. meteorol.. Publicado em: 2021-03
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32. SUGARCANE BASE CUTTING QUALITY USING RECTANGULAR AND CIRCULAR BLADES
ABSTRACT Sugarcane mechanized harvesting can lead to serious risks to the longevity of plantations when improperly operated, and may cause damages and disturbances in the remaining ratoons in the field. In this sense, this study aimed to evaluate the damage and disturbance to the sugarcane ratoons by the base cutting quality of two-blade models through stati
Eng. Agríc.. Publicado em: 2021-02
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33. Productivity and photosynthetic pigments in bell pepper plants grown in soil with biofertilizer and protected against water loss
ABSTRACT The search for techniques that maximize the use of water is becoming necessary for the sustainability of agriculture in semi-arid areas. In this sense, the present work aimed to evaluate the effects of soil protection against water loss and the use of bovine biofertilizer on fruit production and chlorophyll content in bell pepper plants. The experim
Rev. Ceres. Publicado em: 2021-02
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34. GALILEO’S PENDULUM AS A MAGNETIC BALANCE FOR STUDYING CHEMICAL MAGNETISM AT HOME
A very simple, but rich experiment, encompassing a classical Galileo’s pendulum, has been devised to be performed at home, especially during the Covid-19 pandemics. The experiment uses a miniature supermagnet rod as the pendulum oscillating element suspended from a fixed sewing thread. Its physics can be fully investigated, allowing to study the oscillatio
Quím. Nova. Publicado em: 2021-01
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35. BIONANOCOMPÓSITOS POLIMÉRICOS À BASE DE MONTMORILLONITA – MATERIAIS DE INTERESSE CONTÍNUO
Polymeric bionanocomposites are versatile materials that have many practical applications. The wide use of these materials is mainly due to their structure and properties, which combine at nanometric scale, the functionality of biopolymers with the excellent stability of inorganic solids, such as the clay minerals family. Montmorillonite is the most widely e
Quím. Nova. Publicado em: 2020-12
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36. POLÍMERO DE IMPRESSÃO MOLECULAR PARA O TIACLOPRIDO: UMA INVESTIGAÇÃO TEÓRICA
Thiacloprid (TCP) is a synthetic insecticide, belonging to the class of neonicotinoids (NNCs), which present potential damages to the environment, biodiversity and human health, being necessary its constant monitoring. In this sense, molecularly imprinted polymers (MIPs) have been shown as an excellent alternative for the separation science, since they can r
Quím. Nova. Publicado em: 2020-12