[PDF] Top 20 J. Braz. Chem. Soc. vol.18 número6 en a01v18n6
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J. Braz. Chem. Soc. vol.18 número6 en a01v18n6
... To carry out conversion of the cellulosic and hemicellulosics to ethanol, or to recover energy from lignin, or to produce fuels other than ethanol (eg. biobutanol, hydrogen) or to use th[r] ... See full document
1
J. Braz. Chem. Soc. vol.18 número8 en a01v18n8
... community has wisely used the resources entrusted to them by the CNPq/NAS (National Academy of Science) and PADCT (Support to Scientific and Technological Development Program) 4 and has[r] ... See full document
1
J. Braz. Chem. Soc. vol.18 número6
... Since total Hg concentration mainly represents the dissolved Hg fraction in waters with low content of SPM, the results found demonstrate that the non-reactive Hg fraction (organic Hg) g[r] ... See full document
11
J. Braz. Chem. Soc. vol.18 número6
... A chelating ion-exchange resin was employed for this purpose and an automatic on-line flow injection electrothermal atomic absorption spectrometry (FI-ET-AAS) method was used for the det[r] ... See full document
6
J. Braz. Chem. Soc. vol.18 número6
... concentrated in a rotary evaporator in order to eliminate the organic solvent. The aqueous solutions obtained were then cooled and lyophilised for 48 h (97.0 ± 0.35 % of DM). The dry crude extracts (DCE) were stored at ... See full document
8
J. Braz. Chem. Soc. vol.18 número6
... MHz, CDCl 3 ) δ 2.08 (dddd, J 7.0, 6.6, 6.2 and 5.7 Hz, 2H), 2.68 (dd, J 6.6 and 5.7 Hz, 2H), 2.85 (dd, J 7.0 and 6.3 Hz, 2H), 7.17 (d, J 7.5 Hz, 1H), 7.34 (dd, J 7.5 and 0.9 Hz, 1H), ... See full document
12
J. Braz. Chem. Soc. vol.18 número6
... 11. Kallander, L. S.; Lu, Q.; Chen, W.; Tomaszek, T.; Yang, G.; Tew, D.; Meek, T. D.; Hofmann, G. A.; Schulz-Pritchard, C. K.; Smith, W. W.; Janson, C. A.; Ryan, M. D.; Zhang, G. F.; Johanson, K. O.; Kirkpatrick, R. B.; ... See full document
7
J. Braz. Chem. Soc. vol.18 número2 en a01v18n2
... The report indicates that the average temperature of our planet has already risen 0.7 degrees centigrade over the last 100 years, with certain areas suffering an increase of more than 2 [r] ... See full document
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J. Braz. Chem. Soc. vol.18 número6
... KBr pellets. UV-Vis absorption spectra were measured in CF-26 spectrometer (produced in Russia). Elemental analyses were performed using Heraeus CHNO-Rapid analyzer. Melting points were determined by Electrothermal 9100. ... See full document
5
J. Braz. Chem. Soc. vol.19 número6 en a01v19n6
... The Journal of the Brazilian Chemical Society , 3-5 JBCS (IF=1.54), the most prominent journal of Latin America, regardless of area, also contributes to the improvement and eva[r] ... See full document
1
J. Braz. Chem. Soc. vol.20 número6 en a01v20n6
... Neither Eldorado or a Green Hell, the Amazon is a region rich in natural resources that needs science, technology and innovation to develop with sustainability. The edit[r] ... See full document
1
J. Braz. Chem. Soc. vol.22 número6 en a01v22n6
... The main objective of such technological centers is to take care of the protection and negotiation of the intellectual property arising from the university research and to support uni[r] ... See full document
2
J. Braz. Chem. Soc. vol.18 número8
... É chegada a hora da Sociedade Brasileira de Química mostrar, mais uma vez, que está estruturada e qualificada para enfrentar o desafio da construção do perfil de um profissional de Quími[r] ... See full document
1
J. Braz. Chem. Soc. vol.18 número8
... This is that the quinones were said to be freed of contaminating phenols by washing a chloroform solution of the crude reaction mixture with 5% NaOH.. This cannot be correct as quinones [r] ... See full document
1
J. Braz. Chem. Soc. vol.18 número8
... In this study, a 2 4 full factorial design with two pseudo-central points was used with the aim of determining the importance of three quantitative factors (pH, scan rate, and electroly[r] ... See full document
11
J. Braz. Chem. Soc. vol.18 número8
... tetramethylsilane or CHCl 3 as internal standard, and J values are given in Hz. Mass spectra (EI) were obtained at 70 eV with a Hewlett Packard EM/CG HP-5988A spectrometer. Infra-red spectra were acquired on a ... See full document
5
J. Braz. Chem. Soc. vol.18 número8
... solutions in CDCl 3 as solvent, containing TMS as internal standard. All spectra were acquired in a 5 mm tube, at natural abundance. J values are given in Hz. Mass spectra were registered in a HP 5973 MSD ... See full document
6
J. Braz. Chem. Soc. vol.18 número7
... product of a graduate program is neither articles and books, nor theses and dissertations, but those students graduating with Master’s and PhD degrees, who will apply the knowledge a[r] ... See full document
1
J. Braz. Chem. Soc. vol.18 número6
... 38 Li, B.X.; Zhang, Z.J.; Wu, M.L.; Anal. Chim. Acta 2001, 432, 311. 39 Zheng, X.W.; Zhang, Z.J.; Sens. Actuators B: 2002, 84, 142. 40 Bonifácio, R.L.; Coichev, N.; Anal. Chim. Acta 2004, 517, 125. 41 Coichev, N.; van ... See full document
7
J. Braz. Chem. Soc. vol.18 número6
... Para conseguir-se a conversão de celulose e hemicelulose a etanol, recuperar energia da lignina, produzir outros combustíveis que não o etanol (biobutanol, hidrogênio, por exemplo), usar[r] ... See full document
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