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Acidul folic: Influenţa asupra sarcinii şi lactaţiei

open access: yes, 2008
Friptu, V.G.   +3 more
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Investigation of acidulation and coating of Saudi phosphate rocks. 1. Batch acidulation

Industrial & Engineering Chemistry Research, 1990
On developpe un modele mathematique pour la simulation de l'acidulation de roches phosphatees en utilisant de l'acide sulfurique et des melanges acide sulfurique/acide phosphorique. Le modele est applique a l'etude de la cinetique de l'acidulation et de l'effet des parametres du procede sur le processus de diffusion et le phenomene de revetement, en ...
Said S. Elnashaie   +3 more
exaly   +2 more sources

Investigation of Acidulation and Coating of Saudi Phosphate Rocks. 2. Continuous Acidulation

Industrial & Engineering Chemistry Research, 1995
summary of the effect of mean ore particle size on De for the three processes is given in Table 4 for ease of comparison. More experimental work is needed to cover a wider range of operating conditions. More mathematical modeling work is also needed in conjunction with experimental results in order to de- velop more elaborate less empirical ...
Said S. E. H. Elnashaie   +4 more
exaly   +2 more sources

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