Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Ótom Anselmo de Oliveira"'
Autor:
Ana Cristina Facundo de Brito Pontes, Luciana Araújo Nascimento, Daniel de Lima Pontes, Ótom Anselmo de Oliveira, Francisco Ordelei da Silva Nascimento, Francimar Lopes da Silva Júnior
Publikováno v:
Eclética Química, Vol 49 (2024)
Concern for the environment for the development of new biodegradable materials has been constant in scientific circles. With this in mind, this work proposes a study on the formation of self-assembled thin films using chitosan (Qt), a biodegradable m
Externí odkaz:
https://doaj.org/article/451e56d69931431f8bdd146e9ffaa322
Autor:
Albino Oliveira Nunes, Josivânia Marisa Dantas, Ótom Anselmo de Oliveira, Fabiana Roberta Gonçalves e Silva Hussein
Publikováno v:
Indagatio Didactica, Vol 8, Iss 1 (2016)
Escolhas em relação aos mais diversos aspectos da Ciência e da Tecnologia, tais como opção por carreiras, interesse pelos estudos e rendimento escolar, tem raízes nas atitudes e crenças adquiridas ao longo da vida. Por isso o interesse particu
Externí odkaz:
https://doaj.org/article/54fa606e3f0841a7b57c8740c2e88b08
Autor:
Robson Fernandes de Farias, Ótom Anselmo de Oliveira, Hélio Scatena Júnior, Filipe Martel de Magalhães Borges, Ademir Oliveira da Silva
Publikováno v:
Química Nova, Vol 21, Iss 2, Pp 164-166 (1998)
Externí odkaz:
https://doaj.org/article/477f8d3460e24281a3018993f5aec98d
Autor:
Fabiana Roberta Gonçalves e Silva Hussen, Ótom Anselmo de Oliveira, Francisco Souto de Sousa Junior, Júlia Kallyne da Silva Belmiro, Luiz Di Souza, Nildo da Silva Dias
Publikováno v:
Brazilian Journal of Development. 6:6506-6520
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7404012a659820d66bb6f28c5f1b271d
https://doi.org/10.34117/bjdv6n2-086
https://doi.org/10.34117/bjdv6n2-086
Autor:
Janduir Egito da Silva, Carlos Neco da Silva, Diego Oliveira Cordeiro, Ótom Anselmo de Oliveira
Publikováno v:
Química Nova na Escola.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a20540f4c319db5bef49cbb84e8500b5
https://doi.org/10.21577/0104-8899.20160101
https://doi.org/10.21577/0104-8899.20160101
Autor:
Josivânia Marisa Dantas, Ótom Anselmo de Oliveira, Fabiana Roberta G. e Silva Hussein, Albino Oliveira Nunes
Publikováno v:
Química Nova na Escola. 38
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f9c0f71b8ba6081074a16d3b3059614
https://doi.org/10.5935/0104-8899.20160025
https://doi.org/10.5935/0104-8899.20160025
Autor:
Patrícia Mendonça Pimentel, Dulce Maria de Araújo Melo, Robson F. de Farias, Ótom Anselmo de Oliveira, Zelma R. Da Silva
Publikováno v:
Journal of Coordination Chemistry. 60:945-949
The synthesis, characterization and tg-dsc study of Ln(tfa)3 · 3aza where Ln = La, Pr, Nd, Sm, Eu, Gd, Tb and Er, tfa = trifluoroacetate and aza = 2-azacyclononanone are reported. The obtained X-ray powder diffraction patterns show that the compound
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::38f21c5c90fc8bdb82f144cea0b83905
https://doi.org/10.1080/00958970600987941
https://doi.org/10.1080/00958970600987941
Synthesis, characterization and thermogravimetric study of zinc group halides adducts with imidazole
Publikováno v:
Thermochimica Acta. 405:219-224
The synthesis, characterization and thermogravimetric study of the adducts ZnCl 2 ·2Imi, ZnBr 2 ·2Imi, CdCl 2 ·Imi, CdCl 2 ·2Imi, CdBr 2 ·2Imi, CdBr 2 ·3Imi, CdI 2 ·2.5Imi, HgCl 2 ·2Imi, HgBr 2 ·1.5Imi and HgI 2 ·1.5Imi (Imi = imidazole) is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f139840457989e005d73ab741ee8ca25
https://doi.org/10.1016/s0040-6031(03)00191-6
https://doi.org/10.1016/s0040-6031(03)00191-6
Autor:
Henrique E.B. da Silva, Robson F. de Farias, Maria de Fátima Vitória de Moura, Ótom Anselmo de Oliveira
Publikováno v:
Journal of Coordination Chemistry. 56:1391-1396
The synthesis, characterization and a nonisothermal thermal degradation kinetic study performed for the adducts CdCl2·Imi, CdCl2·2Imi, CdBr2·2Imi and CdBr2·3Imi (Imi = imidazole) are reported. For cadmium bromide the maximum number of imidazole m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::22dc4de1137ec458a987bafd62cd38de
https://doi.org/10.1080/00958970310001640908
https://doi.org/10.1080/00958970310001640908
Publikováno v:
Thermochimica Acta. 328:241-246
Adducts formed between ZnX 2 (X = Cl, Br, I) and 2-imidazolidinone (ethyleneurea, EU) or tetrahydro-2-pyrimidone (propyleneurea, PU) of the general formula ZnX 2 ·2L (L = Eu or PU) had the standard molar enthalpies determined through reaction-soluti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a40b33c3704facdacc22eb5454919735
https://doi.org/10.1016/s0040-6031(98)00648-0
https://doi.org/10.1016/s0040-6031(98)00648-0