The Phase Ratio Variation (PRV) method is a very valuable method commonly used for liquid/vapor partition coefficients data acquisition of aroma compounds. Nevertheless, there are some limitations to this method, especially for volatile compounds. A careful examination of the PRV equation leads us to propose the following expression: We performed an examination for two cases of K values (K1=0.001 and K2=0.05), highlighting that a careful choice of β range values is crucial in the reliability of the regression calculation 1/A versus β.
Napoleons Imperial Guard was arguably the most famous military formation to tread the battlefields of Europe. La Garde Imperial was created on 18 May 1804, and from its origins as a small personal escort, the Guard grew in size and importance throughout the Napoleonic era. Eventually, it became the tactical reserve of the Grande Arme, comprising almost a third of Napoleons field forces. The men of the Imperial Guard were the lite of the First Empire, its officers and men the military aristocracy of post-Revolutionary France.Used only sparingly, the Guard acquired a reputation of invincibility. Such had become its prestige, when the attacks of the Guard were repulsed at Waterloo, they signaled not only the defeat of the French army but also the end of an era.In this magnificent study, unparalleled in depth and scope, the renowned French historian Commandant Henry Lachouque has produced a lavish and sumptuous work. It combines vivid narrative with valuable and unique uniform illustrations, including seventy-four full color plates from the Anne S.K. Brown collection, to make The Anatomy of Glory one of the most important and most sought-after books on military history ever published.
Anne Noble, photographe reconnue en Nouvelle-Zélande, explore dans son travail la place de la mémoire et de la sensation. Cette série d'images qu'elle présente est consacrée à Ruby, la fille de l'artiste et qui témoigne du regard qu'elle porte sur l'enfance à travers une exploration de ce que font les enfants avec leur bouche (alimentation, expression, langage...). Exposition organisée dans le cadre de la Biennale " Photoquai ", Biennale des images du monde (30 octobre - 25 novembre 2007)
Aden Seliani est au carrefour de sa vie. Fils d’immigrés, il s’est totalement investi dans son métier d’informaticien ; mais lors d’une mission à New York, il découvre que son agence parisienne travaille en réalité pour le Pentagone ! Pour couronner le tout, sa femme exige le divorce et sa mère tombe dans le coma. L’heure est venue pour Aden de sortir de sa léthargie et d’entreprendre le voyage en lui-même qu’il avait toujours différé...
The Phase Ratio Variation (PRV) method is a very valuable method commonly used for liquid/vapor partition coefficients data acquisition of aroma compounds. Nevertheless, there are some limitations to this method, especially for volatile compounds. A careful examination of the PRV equation leads us to propose the following expression: We performed an examination for two cases of K values (K1=0.001 and K2=0.05), highlighting that a careful choice of β range values is crucial in the reliability of the regression calculation 1/A versus β.
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