Gain
Mostrando 13-24 de 5163 artigos, teses e dissertações.
-
13. Design and Simulation of Broadband Horn Nanoantennas for Nanophotonic Applications
Abstract Optical plasmonic nanoantennas have proven useful in nanoplasmonic applications, paving the way for more efficient wireless optical communications. In this work, we propose a parametric study of a plasmonic horn nanoantenna in flat H sectorial format and beveled horn, both designed to radiate in the three wavelengths of optical communications: [850
Journal of Microwaves, Optoelectronics and Electromagnetic Applications. Publicado em: 2022
-
14. Correlation and selection gains in F6 wheat genotypes
ABSTRACT The agronomic traits have complex quantitative inheritance, wheat breeding has a highly cost and time expending to achieve advanced lines, and new cultivars. The objective of this work was to estimate the phenotypic (rp), genotypic (rg) and environmental (re) correlation coefficients and the genetic parameters, as well as to estimate the selection g
Revista Ceres. Publicado em: 2022
-
15. Single Port Multimode Reconfigurable UWB-NB Antenna for Cognitive Radio Applications
Abstract In this paper, a compact, single port, multimode reconfigurable UWB-NB antenna with a novel feeding network is presented. The proposed antenna consists of a pentagonal-shaped monopole radiator, a beveled-shaped partial defected ground plane with a rectangular slot, and a reconfigurable bypass feeding network. The antenna realizes a wideband frequenc
Journal of Microwaves, Optoelectronics and Electromagnetic Applications. Publicado em: 2022
-
16. Revision Stapedotomies: The Role of Periprosthetic Scar Tissue Formation in the Development of Unsatisfactory Hearing Results after Stapedotomy
Abstract Introduction Revision stapes surgeries are difficult to perform, and their audiological results are inferior to primary surgeries. Objective Our goal was to identify the most common and most influential postoperative reasons that cause persistent air-bone gap (ABG) after the primary surgery. Our focus was concentrated on the mechanical dysfunction
International Archives of Otorhinolaryngology. Publicado em: 2022
-
17. Association between rapid weight gain and overweight in children aged 0 to 5 years in Latin America
Resumo Objetivos: avaliar a prevalência do ganho rápido de peso (GRP) em crianças nascidas com peso normal e sua associação com o excesso de peso (EP) em quatro países da América Latina. Métodos: estudo transversal de inquéritos populacionais com crianças de 0 a 5 anos da Pesquisa Nacional de Demografia e Saúde da Criança e da Mulher no Brasil
Revista Brasileira de Saúde Materno Infantil. Publicado em: 2022
-
18. Dietary Patterns during Pregnancy and Gestational Weight Gain: A Systematic Review
Resumo A presente revisão sistemática (PROSPERO: CRD42020148630) tem como hipótese que o ganho de peso excessivo durante a gravidez está associado aos padrões alimentares compostos por alimentos ultraprocessados. Desta forma, objetivou-se investigar a associação entre o padrão alimentar a posteriori e o ganho de peso durante a gestação. A busca de
Revista Brasileira de Ginecologia e Obstetrícia. Publicado em: 2022
-
19. The why and how of sequential and combination therapy in osteoporosis. A review of the current evidence
ABSTRACT It is now well recognized that over the lifetime of a patient with osteoporosis, more than one medication will be needed to treat the disease and to decrease fracture risk. Though current gaps in osteoporosis therapy can be potentially mitigated with sequential and combination regimens, how to move seamlessly amongst the multiple treatments currentl
Archives of Endocrinology and Metabolism. Publicado em: 2022
-
20. Relationship between the number of prenatal care visits and the occurrence of adverse perinatal outcomes
SUMMARY OBJECTIVE: The objective of this study was to analyze the relationship between the number of prenatal care visits and the occurrence of adverse perinatal outcomes in an average city in the state of Minas Gerais, Brazil. METHODS: This was a prospective and observational study. The variables analyzed were obtained through a questionnaire administered
Revista da Associação Médica Brasileira. Publicado em: 2022
-
21. Cushing’s syndrome due to ectopic adrenocorticotropin secretion by a parotid carcinoma
SUMMARY We report a rare case of Cushing’s syndrome in a 37-year-old female who initially presented with localized acinic cell carcinoma of the parotid gland. In January 2014, she underwent a right parotidectomy with facial nerve preservation and adjuvant radiotherapy. In August 2018, she presented a histologically-proven local regional relapse. The patien
Archives of Endocrinology and Metabolism. Publicado em: 2022
-
22. Magnetic concentration route for recovering pellet feed fines stored in a mining dam
Abstract The greatest and noblest challenge of mining engineering for the present and the future of iron ore treatment could be considered as the pursuit of optimizing the use of mineral resources. The use of mining tailings, in the mineral sector itself, or in another industrial branch, meets the needs of circular economy as it increases the useful service
REM - International Engineering Journal. Publicado em: 2022
-
23. Maize yield gain using irrigation in the state of Rio Grande do Sul, Brazil
RESUMO O Rio Grande do Sul apresenta baixa oferta de milho em relação à demanda, condição agravada com limitação hídrica. Assim, objetivou-se estimar o ganho de produtividade do milho utilizando irrigação. O modelo da zona agroecológica da FAO, calibrado e validado, foi utilizado para simulação, considerando um experimento de blocos casualizados
Revista Brasileira de Engenharia Agrícola e Ambiental. Publicado em: 2022
-
24. Cushing disease due to a somatic USP8 mutation in a patient with evolving pituitary hormone deficiencies due to a germline GH1 splicing variant
SUMMARY We present the unique case of an adult Brazilian woman with severe short stature due to growth hormone deficiency with a heterozygous G to T substitution in the donor splice site of intron 3 of the growth hormone 1 (GH1) gene (c.291+1G>T). In this autosomal dominant form of growth hormone deficiency (type II), exon 3 skipping results in expression of
Archives of Endocrinology and Metabolism. Publicado em: 2022