Zobrazeno 1 - 7
of 7
pro vyhledávání: '"B. C. Barros"'
Autor:
Simone de Fátima Pinheiro Pereira, Sergio Luis Costa Ferreira, G. R. Oliveira, Dulcidéia da Conceiçao Palheta, B. C. Barros
Publikováno v:
Eclética Química, Vol 33, Iss 3, Pp 23-28 (2018)
In this paper, a new, simple and sensitive method for arsenic determination in soil is proposed. This is based on the reduction of silver (I) and iron (III) ions by arsine followed by a complexation reaction of iron (II) with the spectrophotometric r
Externí odkaz:
https://doaj.org/article/b747d7e505f7445da6e796af9c5bc81b
Autor:
Lucas A. B. C. Barros, F. Henrique Castro, Alexandre Di Miceli da Silveira, Daniel Reed Bergmann
Publikováno v:
Revista Brasileira de Gestão De Negócios, Vol 22, Iss spe. issue (2020)
Purpose –To describe the use of specific lags (and/or temporal differences) of the original regressors as instrumental variables in a succinct and practical way, showing, by means of a theoretical discussion illustrated by an original simulation ex
Externí odkaz:
https://doaj.org/article/282d091a93bc4a458146a11e33758dd9
Publikováno v:
Eclética Química, Vol 33, Iss 3, Pp 23-28 (2008)
In this paper, a new, simple and sensitive method for arsenic determination in soil is proposed. This is based on the reduction of silver (I) and iron (III) ions by arsine followed by a complexation reaction of iron (II) with the spectrophotometric r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::02d244c58b8d69c552189ee0a114bd04
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46702008000300004
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46702008000300004
Publikováno v:
Revista Contabilidade & Finanças, Iss 0 (2019)
ABSTRACT This study investigates whether the performance of credit unions that offer microcredit in Brazil was affected by the advent of Crescer - the National Microcredit Program. This research fills a gap in the literature because few papers invest
Externí odkaz:
https://doaj.org/article/b5db2fc2f0444dbc8dcaeaa23691dcd4
Autor:
Raquel Ghini, Flávia Rodrigues Alves Patrício, M. E. B. M. Lopes, Souza, C. Sinigaglia, Heitor Cantarella, J. Tessarioli Neto, Benedito de Camargo Barros
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 27, Iss 1, Pp 71-79 (2003)
Revista Brasileira de Ciência do Solo v.27 n.1 2003
Revista Brasileira de Ciência do Solo
Sociedade Brasileira de Ciência do Solo (SBCS)
instacron:SBCS
Revista Brasileira de Ciência do Solo, Volume: 27, Issue: 1, Pages: 71-79, Published: FEB 2003
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA-Alice)
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
Revista Brasileira de Ciência do Solo v.27 n.1 2003
Revista Brasileira de Ciência do Solo
Sociedade Brasileira de Ciência do Solo (SBCS)
instacron:SBCS
Revista Brasileira de Ciência do Solo, Volume: 27, Issue: 1, Pages: 71-79, Published: FEB 2003
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA-Alice)
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
A solarização é um método de desinfestação que consiste na cobertura do solo com um filme de polietileno transparente, durante o período de intensa radiação solar, e atua por meio do aumento da temperatura do solo. Quatro ensaios foram reali
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4706268d2fbd2ef44e5c7b93f3025ca4
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832003000100008&lng=en&tlng=en
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832003000100008&lng=en&tlng=en