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Alain, Claude et Franck
The authors describe how they met Alain Aspect and interacted with him before, during, and after his thesis defense at the Institut d’Optique. Alain...
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Multipôles et déplacements dans la série de Lyman du néon
Multipoles and shifts in the Lyman series of neon. The Lyman spectrum of hydrogenic neon is experimentally obtained from a laser-imploded glass...
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Diagramme de phases du systeme binaire AgNO3—RbNO3
Phase diagram of the binary system AgNO 3 —RbNO 3 was studied using thermal analysis technique, differential scanning calorimetry and X-ray diffraction....
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Decomposition thermique et etude vibrationnelle de NiNa4(P3O9)2·6H2O
We have studied the dehydration and the calcination under atmospheric pressure of cyclotriphosphate tetrahydrate of nickel and sodium, NiNa 4 (P 3 O 9 ) 2 ·6H
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Degradation Thermique D'Un Polystyrene Choc Ignifuge Par Un Melange Intumescent
The study of the thermal degradation of the fireproof polystyrene—butadiene copolymer by an intumescent system: ammonium polyphosphate...
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Etude Experimentale et Modelisation des Equilibres Solide—Liquide du Systeme Binaire H2O—UO2(NO3)2
The binary system H 2 O—UO 2 (NO 3 ) 2 was studied by solubility measurements and constant heat flow thermal analysis. Temperature and composition of the...
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Caracterisation des Solides par Thermoluminescence
The thermoluminescence method (TL), or the thermostimulated luminescence is one of the techniques which correlate thermal and optical methods and...
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Determination des Transitions Vitreuses et Locales de PMMA/Al2O3 Par des Methodes Thermiques et Chromatographiques
Differential thermal analysis (DTA) technique was used to determine the glass transition temperatures of polymethyl methacrylate (PMMA). When PMMA...
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Caracterisation Thermodinamique de Quelques Derives Acyles de la 3-Indazolone
The following acetylated derivatives of indazole: 3-indazolone, l-acetyl-3-indazolone, 2-acetyl-3-indazolone, l,2-diacetyl-3-indazolone and...
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Analyse de la pyrolyse menagee du bois par un couplage TG-DSC-IRTF
This paper deals whith thermal degradation of wood at low pyrolysis temperature. Chemical modifications are investigated in order to explain the new...
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Preparation et caracterisation de complexes [cis-4,4′-dinitrodibenzo-18-couronne-6, LnCl3, 3CH3CN]
Some new complexes between the cis -4,4′-dinitrodibenzo-18-crown-6 and rare earth chlorides LnCl 3 ( Ln =Nd, Gd, Yb) were synthesized in acetonitrile....
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Etude comparative par analyses thermique et chimique de quelques vegetaux mediterraneens
Thermal analysis can be used for the behaviour of plants during heating and most particularly in the risk prevention of forest fire. Cellulose,...
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Analyse Thermique de la Cellulose et de Quelques Derives Etherifies et Esterifies
The cellulose and its derivatives are used more and more, especially like excipients in pharmaceutical industry.
The identification of cellulose and...
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Etudes comparatives et identification des polyethylenes par analyses thermique differentielle et de diffraction des rayons X
In thermal analysis polyethylenes can be characterized by their melting temperature. With the polyethylene mixtures studied, we obtained the best...
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Fermentation alcoolique
The control of alcoholic fermentation is necessary to obtain a quality wine.
The overall dynamic and phenomenological modelling already applied to the...
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étude thermodynamique de certains médicaments
Two compounds of sulphamide type: p -amino-benzene sulphonamide (I) and 3,4-dimethylisoxazol 5-sulphanylamide (II) were studied by combustion...
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Deshydratation de l'alun d'ammonium
The formation of the two kinds of partially dehydrated amorphous alum can be explained by the water vapour gradient which appears within the sample...
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Caracterisation par analyse calorimetrique differentielle des complexes entre LiAlH4 et les ethers-couronnes 12-C-4, 15-C-5, dicyclohexano-18-C-6
The thermal behaviour of complexes [Li + -EC](AlH 4 ) − with EC =12-C-4, 15-C-5, DC 18-C-6 ( cis-anti-cis and cis-syn-cis isomers) was investigated by...
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Deshydratation de l'alun d'ammonium
Dehydration of hydrated ammonium alum is a function of physical gaseous pressure. During dehydration, two kinds of partially dehydrated amorphous...