Elementary
Mostrando 1-12 de 2152 artigos, teses e dissertações.
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1. Electromagnetic Transients in Multiconductor Transmission Lines
Abstract The theory of multiconductor transmission lines is based on the principle of superposition. According to this principle, any electric or magnetic field can be represented as the sum of individual electric or magnetic fields. This theory is used to analyze and design electrical systems involving multiple conductors. In this work, the procedures for a
Journal of Microwaves, Optoelectronics and Electromagnetic Applications. Publicado em: 2022
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2. Social and Educational Skills Program with Elementary School Teachers
Resumo O estudo avaliou os efeitos de um Programa de Habilidades Sociais e Educativas no repertório de habilidades sociais, habilidades sociais educativas e nas crenças de autoeficácia docente. Participaram do estudo 45 professores que lecionavam nos anos finais do Ensino Fundamental, em escolas públicas no Estado do Rio de Janeiro. Os participantes fora
Psico-USF. Publicado em: 2022
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3. School Health Education Program “Happy Life, Healthy Heart”: A Randomized Clinical Trial
Abstract Background: School interventions based on playful activities have been shown to be good strategies for increasing children's knowledge about health, which may impact healthy habits. Objective: To evaluate whether the school health education program entitled “Happy Life, Healthy Heart” increases health knowledge and causes a change in teachers�
International Journal of Cardiovascular Sciences. Publicado em: 2022
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4. CLINICAL SPECTRUM OF FUNCTIONAL CONSTIPATION AND BOWEL-HABIT PATTERNS OF SCHOOLCHILDREN RECRUITED FROM TWO ELEMENTARY SCHOOLS AND A SPECIALIZED OUTPATIENT CLINIC
RESUMO Contexto: Diagnóstico precoce da constipação intestinal funcional é importante para reduzir suas consequências negativas para a saúde da criança e do adolescente. Objetivo: Descrever o espectro clínico da constipação intestinal funcional e o hábito intestinal de crianças recrutadas em escola de primeiro grau e de pacientes atendidos em a
Arquivos de Gastroenterologia. Publicado em: 2022
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5. Development of Analytical Method for Determination of Inorganic Constituents in Powder Refreshment Using Dilute Mineral Acids and Detection by ICP OES
An analytical method for multi-elementary determination in powder refreshment, based on sample digestion using dilute mineral acids and detection by inductively plasma coupled optical emission spectrometry (ICP OES) is proposed. Chemometric tools, such as fractional factorial design and principal component analysis (PCA) and hierarchical cluster analysis (HC
J. Braz. Chem. Soc.. Publicado em: 2021-07
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6. Development of language and arithmetic skills: risk and protective factors. Comparative cross-sectional study
ABSTRACT BACKGROUND: In a literate society, linguistic/arithmetic performance is highly valued. Based on defined risk factors, strategies for promotion of better performance can be developed. OBJECTIVE: To ascertain the risk and protective factors relating to development of language and arithmetic. DESIGN AND SETTING: Observational comparative cross-secti
Sao Paulo Med. J.. Publicado em: 2021-06
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7. Impacts of grade configuration on Brazilian student outcomes
Abstract In this paper we evaluate the impact of grade span configuration on student outcomes. We build a model which shows that the more homogeneous the cohort of students the higher the share of them which achieves the minimum level of academic performance required in an exam. We then test this theoretical finding by comparing performances of 5th-grade stu
Rev. Bras. Econ.. Publicado em: 2021-03
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8. An Alternative Description for the Electronegativity Difference in Binary Ionic Solids
We are introducing an alternative analytical expression to the electronegativity difference (∆χ) as a function of the charge ge, g is the charge factor, the fraction of the electronic charge devoted to the bond and e the elementary charge, the packing factor (p) and the effective atomic number (Zeff) of binary ionic solids, by using the very basic Coulomb
J. Braz. Chem. Soc.. Publicado em: 2021-02
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9. Elemental Composition of Particulate Matter in the Southeastern Brazilian Ceramic Pole by Synchrotron Radiation X-ray Fluorescence Technique (SR-XRF)
In the present study, the elemental content of the particulate matter PM2.5 (particulate matter with diameters lower than 2.5 µm) and PM10 (particulate matter with diameters lower than 10 µm) of the Brazilian city of Rio Claro (SP) were analyzed by synchrotron radiation X-ray fluorescence (SR-XRF) in the Brazilian Synchrotron Light Laboratory (LNLS). A fra
J. Braz. Chem. Soc.. Publicado em: 2020-06
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10. Lexical-Semantic Integration by Good And Poor Reading Comprehenders
Abstract: In this paper1, we investigate the level of vocabulary knowledge and the lexical-integration ability of good and poor comprehenders at the 8th grade of Elementary School. The participants were assessed in the following tasks: reading comprehension, listening comprehension, decoding, vocabulary, lexical-semantic integration and incongruence detectio
Ilha Desterro. Publicado em: 2020-04
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11. Near-Infrared Luminescence from Visible-Light-Sensitized Ruthenium(II)-Neodymium(III) Heterobimetallic Bridged Complexes Containing Alkoxy(silyl) Functional Groups
New infrared emitting d-f (ruthenium(II)-neodymium(III)) heterobimetallic complexes with alkoxy(silyl) functional groups have been prepared. Visible excitation evidenced energy transfer processes from the ruthenium(II) donor to neodymium(III) acceptors leading to infrared emission. Energy transfer rates (kEnT) and efficiency of energy transfer (ηEnT) are, r
J. Braz. Chem. Soc.. Publicado em: 2020-04
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12. Intervenção em princípios de contagem com alunos de 1º ano do ensino fundamental
Resumo: Este artigo tem como objetivo apresentar um estudo experimental de intervenção em princípios de contagem, de modo a investigar sua eficácia. Para isso, inicialmente são apresentados estudos da área que investigaram os fatores preditivos do desempenho matemático, assim como o perfil acadêmico dos alunos que apresentam problemas nesse âmbito e
Rev. Bras. Estud. Pedagog.. Publicado em: 17/01/2020