Zobrazeno 1 - 10
of 29
pro vyhledávání: '"H. R. Carvalho"'
Autor:
C. H. R. CARVALHO, L. A. C. MOTTA
Publikováno v:
Revista IBRACON de Estruturas e Materiais, Vol 12, Iss 6, Pp 1390-1407 (2019)
Abstract This work studied the properties of lightweight concretes with addition of expanded polystyrene (EPS) for structural walls applications. EPS for being a material produced on a large scale and has low density, produces a large volume of waste
Externí odkaz:
https://doaj.org/article/7355845e09684b1ead12a1038d32d1fe
Autor:
Marcelo H. R. Carvalho, João P. R. S. Ribeiro, Pedro P. De Castro, Saulo T. A. Passos, Brenno A. D. Neto, Hélio F. Dos Santos, Giovanni W. Amarante
Publikováno v:
The Journal of Organic Chemistry. 87:11007-11020
A synthetic protocol for the preparation of α-acyl aminocarboxamides and α-amino amidines is proposed. The selectivity toward each of these two possible products was tuned by simple modifications of the reaction conditions. A broad scope is present
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::83c8bd73c4398c06c5dc568a5a87a699
https://doi.org/10.1021/acs.joc.2c01272
https://doi.org/10.1021/acs.joc.2c01272
Autor:
R. M. Carvalho, B. H. R. Carvalho, W. B. Fernandes, K. M. Alves, D. O. C. Sousa, G. F. Silva, M. E. R. Santos
Publikováno v:
Boletim de Indústria Animal, Vol 73, Iss 3, Pp 212-219 (2016)
The objective of this study was to understand how the strategy of defoliation prior to deferred grazing modifies the structure of Brachiaria brizantha cv. marandu (marandu grass) at the beginning of deferment. The following three defoliation strategi
Externí odkaz:
https://doaj.org/article/66e9d48fe8da4016962f92d3794f88bf
Autor:
R. M. Carvalho, M. E. R. Santos, B. H. R. Carvalho, L. K. P. Costa, C. R. A. Carvalho, N. A. M. Silva
Publikováno v:
Boletim de Indústria Animal, Vol 73, Iss 3, Pp 180-188 (2016)
It is possible that the effects of feces on pasture forage accumulation depend on the climate, which is specific in each season of the year. Therefore, the objective of this study was to evaluate the dynamics of Brachiaria brizantha cv. marandu forag
Externí odkaz:
https://doaj.org/article/bc38a4fa0916457988adb0f93442aa04
Autor:
R. M. Carvalho, B. H. R. Carvalho, W. B. Fernandes, K. M. Alves, D. O. C. Sousa, G. F. Silva, M. E. R. Santos
Publikováno v:
Boletim de Indústria Animal, Vol 73, Iss 3 (2016)
Objetivou-se compreender como a estratégia de desfolhação prévia ao perÃodo de diferimento modifica a estrutura da Brachiaria brizantha cv. Marandu (capim-marandu) no inÃcio do diferimento. Três estratégias de desfolhaçã
Externí odkaz:
https://doaj.org/article/f538f6d93faf40a3a7ed2420bbf0f061
Autor:
Meriele Sabrina de Souza, Jéssica Pereira Lopes, H R Carvalho, Valéria Conceição de Oliveira, Eliete Albano de Azevedo Guimarães, Rhillary Lorrayne de Souza
Publikováno v:
Revista de APS. 23
Objetivo: Analisar a completude do esquema vacinal contra hepatite B (recombinante) de adultos em município de Minas Gerais, segundo registros de imunização no Sistema de Informação do Programa Nacional de Imunização (SIPNI). Métodos: Estudo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0503b7b1c0c4a7be260dd1a3c4c522a2
https://doi.org/10.34019/1809-8363.2020.v23.31505
https://doi.org/10.34019/1809-8363.2020.v23.31505
Publikováno v:
Metrologia. 59:01004
Main text This report gives the result of a bilateral comparison of resistance between the INMETRO (Brazil) and the BIPM carried out from November 2020 to September 2021. Two 1 Ω and two 10 kΩ travelling standards belonging to the BIPM were used. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b031aea14fb0179011023ae3b3a2797
https://doi.org/10.1088/0026-1394/59/1a/01004
https://doi.org/10.1088/0026-1394/59/1a/01004
Publikováno v:
Journal of Physics: Conference Series. 1826:012101
This paper describes the changes in the electromagnetic units due to the redefined SI and the details regarding how they are realized. It is divided into two parts. In this second part, we review the state-of-the art performance, the physical princip
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7a75fb950a512c3730e2ba9d247ac408
https://doi.org/10.1088/1742-6596/1826/1/012101
https://doi.org/10.1088/1742-6596/1826/1/012101
Publikováno v:
Journal of Physics: Conference Series. 1826:012100
This paper describes the electromagnetic units after the SI redefinition and the details regarding how they are realized. It is divided into two parts. In this first part, we review the state-of-the art performance, the physical principles, diagrams,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c0482d14de9d70e9f615e3a0feb62e17
https://doi.org/10.1088/1742-6596/1826/1/012100
https://doi.org/10.1088/1742-6596/1826/1/012100
Publikováno v:
2016 Conference on Precision Electromagnetic Measurements (CPEM 2016).
This paper describes the development of an automated ac current comparator based resistance measurement system that uses precise and accurate phase synchronization of frequency locked ac signals aided by adaptive digital regulators. The aimed frequen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43954e21104ceadad2b485df2c2a1949
https://doi.org/10.1109/cpem.2016.7540784
https://doi.org/10.1109/cpem.2016.7540784