Indexes
Mostrando 13-24 de 1447 artigos, teses e dissertações.
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13. DESIGN AND EXPERIMENT OF SELF-PROPELLED SYSTEM FOR PADDY FIELD WEEDER BASED ON THE INTERACTION MECHANISM OF WHEEL-SOIL
ABSTRACT Aiming at the low mechanization of paddy field weeding and lack of dedicated agricultural machinery for paddy field weeding in China, a self-propelled system of paddy field weeding machine was designed. The overall structure and working principle of self-propelled system were illustrated and analyzed. The interaction mechanism of wheel-soil during w
Engenharia Agrícola. Publicado em: 2022
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14. Nonparametric indexes in selecting advanced potato clones
RESUMO Este trabalho teve como objetivos testar índices não paramétricos na seleção de clones avançados de batata e identificar clones promissores para poderem ser lançados como cultivares. Os experimentos foram conduzidos nos meses de maio a agosto dos anos 2016 e 2017, no setor de campos experimentais da Embrapa Hortaliças. Foram avaliados 17 clone
Horticultura Brasileira. Publicado em: 2022
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15. The epicardial fat thickness is associated with fragmented QRS in patients with newly diagnosed metabolic syndrome
SUMMARY OBJECTIVE: The metabolic syndrome involves both metabolic and cardiovascular risk factors and is associated with cardiovascular mortality. Epicardial fat tissue plays a crucial role in deleterious effects of metabolic syndrome on the heart, including myocardial fibrosis. The fragmented QRS reflects heterogeneous depolarization of the myocardium and
Revista da Associação Médica Brasileira. Publicado em: 2022
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16. Evaluation of Ventricular Remodeling and Prognosis in Patients with Aortic Stenosis Who Underwent Surgical or Percutaneous Transcatheter Aortic Valve Replacement
ABSTRACT Introduction: Aortic stenosis is the most common heart valve disease in the world, and patients that present with symptoms have a high mortality rate. Aortic valve replacement has the objective of promote left ventricular remodeling, reduce symptoms, and increase overall survival. The objective of this study is to evaluate reverse remodeling of the
Brazilian Journal of Cardiovascular Surgery. Publicado em: 2022
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17. Natural and Semisynthetic Triterpenes from Combretum leprosum Mart. with Antiplasmodial Activity
Malaria is responsible for thousands of deaths each year. Currently, artemisinin combination therapy (ACT) is used as first-choice medication against the disease. However, the emergence of resistant strains prompts the search for alternative compounds. The present study aimed to investigate the antiplasmodial activities of natural triterpenes (compounds 1 an
Journal of the Brazilian Chemical Society. Publicado em: 2022
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18. Dysautonomia Evaluation by Holter in Chagas Heart Disease
Abstract Background Sudden cardiac death is the main lethal mechanism associated with Chagas cardiomyopathy. Studies suggest that dysautonomia may represent a relevant, intense, independent, and early phenomenon in the natural history of the disease, even when ventricular systolic function is preserved, and may also be the mechanism that triggers malignant
International Journal of Cardiovascular Sciences. Publicado em: 2022
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19. Relationship between different body composition and bone mineral density in Qinhuangdao city
SUMMARY OBJECTIVE: This study aimed to explore the correlation between different body components and bone mineral density in healthy adults. METHODS: A total of 306 non-manual subjects, 161 males and 145 females, were selected from the physical examination center of our hospital from June to September 2019. They were divided into control group, overweight
Revista da Associação Médica Brasileira. Publicado em: 2022
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20. Selection indexes and economic weights applied to runner-peanut breeding
RESUMO O amendoim rasteiro é conhecido pela alta produtividade, porém as plantas são tardias para florar e maturar as vagens. A combinação desses caracteres e produção de vagens é largamente almejada no melhoramento dessa oleaginosa. Índices de seleção são ferramentas úteis para auxiliar no melhoramento da cultura. Neste trabalho foram usados se
Revista Brasileira de Engenharia Agrícola e Ambiental. Publicado em: 2022
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21. The conception, content validation, and test-retest reliability of the Questionnaire for Screen Time of Adolescents (QueST)
Abstract Objective: To analyze the content validity and the test-retest reliability of the Questionnaire for Screen Time of Adolescents (QueST). Methods: A study was conducted with high school adolescents from Southern Brazil enrolled in public education (2019). The QueST measures screen time across five constructs: studying, working/internship-related act
Jornal de Pediatria. Publicado em: 2022
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22. Effects of sodium-glucose cotransporter-2 inhibitors on nutritional status in heart failure with reduced ejection fraction
SUMMARY OBJECTIVE: This study aimed to evaluate the effects of sodium-glucose cotransporter-2 inhibitors on nutritional status in patients with heart failure with reduced ejection fraction. METHODS: The sodium-glucose cotransporter-2 inhibitor treatment was initiated in 153 patients with heart failure with reduced ejection fraction who were symptomatic des
Revista da Associação Médica Brasileira. Publicado em: 2022
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23. Accuracy of two prognostic indexes to predict mortality in older adults with advanced dementia
RESUMO. Demência é uma causa de incapacidade e dependência em idosos. A avaliação prognóstica na fase avançada é desafiadora. Objetivo: Avaliar a acurácia dos índices de Charlson e Carey na predição de mortalidade em até três anos de idosos com demência avançada. Métodos: Estudo de coorte retrospectiva que incluiu 238 pacientes acompanhado
Dementia & Neuropsychologia. Publicado em: 2022
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24. Linear and Nonlinear Heart Rate Variability Analysis in Gonadal Dysgenesis (Swyer Syndrome): A Case Report
Abstract Swyer syndrome is one of the disorders of sexual differentiation. Previous studies have demonstrated increased sympathetic activity with heart rate variability (HRV) analysis with decreasing estradiol levels. One patient presented a pure 46, XY gonadal dysgenesis with female phenotype. Cardiac autonomic modulation was assessed through HRV analysis w
Int. J. Cardiovasc. Sci.. Publicado em: 2021-08