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After having rapidly considered the ‘total’ acidity determination, we deal with the problem of the ‘free’ acidity titration.

etude comparative moule: Topics by

However, the choices are mainly governed by stresses of a mechanical nature. Les resultats experimentaux relatifs aux premiers essais de l’accelerateur sont donnes et compares aux previsions theoriques.

Contribution to the study of diffusion in poly-phase system; Contribution a l’ etude de la diffusion en systeme polyphase. Avec l’avenement des nouveaux refrigerants, moins nocifs envers l’environnement, l’industrie du froid se trouve penalisee du fait que peu ou pas de composantes mecaniques compresseur, pompe, echangeur In all media, the average physical properties can be evaluated.

Sur ds plan theorique, en premiere approximation, nous assimilions la chromatographie a un fractionnement contre courant en negligeant resistance superficielle a l’echange ainsi que diffusions longitudinale et laterale. Ce reacteur devra fonctionner a 1 MW.

Primary data was collected on elements of costs and revenue. The radioactive equilibrium between radon and its daughter products in atmospheric air are examined.

A comparative survey of the gastro-intestinal parasitical burden of small ruminants sheep, goat and one species of wild ruminants bushbuck has been conducted in four camps around the classified forest of Wari-Maro located in the North-East of Benin. This schema consisting into recovering large quantities of LPG from the East south Algerian fields, transporting them into the separation plants so as to valorize and sell them in local and overseas markets, thereby increasing the exportation capacity of commercial butane and propane.


Implementing Formative Assessment in Engineering Education: The reaction speeds appear to be governed by a diffusion process inside the grains of ultramarine.

Pour cela, un travail theorique supporte par une etude experimentale a ete effectue. The possibility of ion exchanges in various ultramarines has been studied in the aqueous phase.

Ce travail traite l’implantation de l’installation cryogenique et donne une description generale de l’experience. Bio-metric study of pig karyotype; Etude biometrique du caryotype du porc. L’ etude de l’influence de la contrainte appliquee sur la vitesse de fluage et l’observation micrographique de la polygonisation developpee au cours de la deformation permettent de conclure que le phenomene est controle par la montee des dislocations. Enfin, les conditions de remplissage du Bassin sont definies, en tenant compte du contexte climatique oligocene.

The analysis of preliminary results show a much higher tolerance for the vaginal cast device.

Comité Olympique et Sportif Algérien

First, the results concerning the rate of increase of resistivity function of sample purity is investigated. Cet accroissement de la profondeur de penetration peut s’expliquer par l’aide qu’apporte a la formation de la cavite, la pression creee par l’element d’addition a tension de vapeur elevee. In the second part, we explain the techniques we have employed to produce point defects at low temperatures: Etude comparative des melanges binaires nitrates alcalins-nitrate d’argent et nitrates alcalins-nitrate de thallium.

Essential oil obtained from Dendranthema indicum was analyzed by gas chromatography-mass spectrometry GC-MS. This theoretical model has been compared with the results of a detailed study density thresholds, wave structure, frequency spectrum, wavelengths, growth rate, amplitude of the electric field of the instability observed in the DECA II device.

Binary mixtures were analysed by methods outlined below and then the analysis was extended to the many component system. Using two pile loops at temperatures up to deg. Le tome 3 etudie un programme d’etablissement automatique du caryotype humain, par appariement optimise des chromosomes.

Ces diverses methodes donnent des resultats compatibles. Cast duplex stainless steels are commonly used in components of pressurized water reactors primary circuit.

Animals were weighed every 21 days during an 84 days period to evaluate their response to supplementation. Six production trains of 1.

Celles qui concernent le plus grand nombre d’agents du Centre sont classees selon les categories correspondant aux differentes conditions de travail. The first two cell are designed for irradiation by a horizontal beam ‘Dynamitron’the two others use a vertical beam ‘Circe’. Lastly the conditions of filling up of the basin are defined, taking into account the Oligocene climatic conditions.


Ces modeles ont ete compares aux modeles mathematiques exacts et aussi a des resultats experimentaux, obtenus par l’EDF, sur les echangeurs d’EDF Elson, the articles contained consistent and adamant support regarding the health benefits of singing. Efficacite des barres de controle en cadmium et d’une barre de reglage en acier inoxydable. A relative change appears in labelling of small cells, a fact that may have a relation with the RBE values of fast electrons, in agreement with the organ weight data.

SEPA brings a combination of experience and excellence to its activities thanks to its multidisciplinary staff mineralogists, chemists, mechanical engineers, instrumentation specialists This study began in february and included until today ten patients. Salaaire resultats de l’ etude portent sur 10 lapins. Le cas du tributylphosphate est envisage de facon plus detaillee. Comme continuite de ce travail de recherche, en ce meme groupe de recherche a lance un nouveau projet qui consiste a faire une etude theorique et experimentale des evaporateurs au CO2 operants dans des conditions de givrage.

Cet article comprend deux parties. These imides are prepared by heating dicarboxylic acids anhydrides with benzyloxy-amine followed by catalytic hydrogenation of N-benzyloxy-imides so obtained. The final compost for mixture A exhibited a high concentration After exposure to 15 MeV electrons proliferative activity of large cells is greater, according to the time curves of the thymic atrophy.

Le metal fondu est repousse vers le haut par la pression des electrons, coule vers le bas lorsque le faisceau se deplace et remplit la cavite precedemment creee. Une Interpretation theorique des resultats obtenus est developpee. Methods used are detailed and illustrated with the results obtained on a preliminary metallic core of the Rapsodie Reactor. Study of free acidity determinations in aqueous solution; Etude des dosages d’acidite libre en solution aqueuse.

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