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Séance du 11 Mai 1935. RECHERCHE SUR L'INTELLIGIBILITE ET LA STRUCTURE DU PERCEPT

✍ Scribed by Jacques Paliard and Pierre Lachièze-Rey


Book ID
124789317
Publisher
Presses Universitaires de France
Year
1935
Tongue
French
Weight
685 KB
Volume
9
Category
Article
ISSN
0014-2166

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📜 SIMILAR VOLUMES


Recherches sur l'obtention, la séparatio
✍ R. Monnier; Ph. Grandjean; J. Zahler 📂 Article 📅 1963 🏛 John Wiley and Sons 🌐 German ⚖ 303 KB 👁 1 views

## Abstract The electrolytic separation of Ta and Nb from cryolitic solutions of their respective pentoxides gives, under specified conditions, a yield of 90% of the initial Nb with a purity better than 98%.

Recherches sur l'obtention, la séparatio
✍ Ph. Grandjean; P. Lerch; R. Monnier 📂 Article 📅 1960 🏛 John Wiley and Sons 🌐 German ⚖ 309 KB 👁 1 views

## Abstract Two radiochemical methods for the quantitative determination of tantalum and niobium, with the aid of ^182^Ta and ^95^Nb, are described. If only one of these radio‐isotopes is present, it can be determined by counting the gamma radiation emitted in a well‐cristal scintillator. The simul

Recherches sur l'obtention, la séparatio
✍ R. Monnier; Ph. Grandjean; J. Zahler; J. L. Blanc; T. Toïa 📂 Article 📅 1961 🏛 John Wiley and Sons 🌐 German ⚖ 374 KB 👁 1 views

Des essais B blanc effectuBs en parallele ou, mieux encore, un Btalon interne permettent d'augmenter l'exactitude de la mCthode. Voici, & titre d'exemple, les points de trois courbes d'6talonnage (tableau 11), accompagnBs des Bcarts-type. Chaque valeur indiqu6e au tableau est la moyenne arithm6tiqu