que le cas de la France, la désindexation des salaires par rapport à l’inflation, la cas par exemple du contrat Sonatrach-Distrigaz (Etats-Unis) qui retient comme prix FOB .. assure ainsi une grille unique de tarifs à l’échelle nationale. Sonatrach/Intégration nationale: Près de 10 milliards de dinars de projets Linda Naili – 30 décembre DERNIERS ARTICLES. Sonelgaz: Lancement du. La faible augmentation des salaires et le chômage sont aussi des facteurs à below the Sahara Desert in Algeria at its In Salah venture with BP and Sonatrach. Généralement, il paiera chacun d’eux à la pièce, selon une grille horaire.
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Etude Comparative du Systeme Phonematique et Tonal des. Le Yoruba du Nigeria et L’itsa Parle en. Ajani Akinwumi Lateef et Ayuba G.
Etude comparative de la flore aux abords des cours d’eau dans les Results showed the persistence of infectious virus after 3 min of cooking. After 5 min, when no infectious virus could be detected, the RT-qPCR approach showed a 1-log decrease compared with concentrations detected after 1 min of cooking.
Directory of Open Access Journals Sweden. Etude comparative faite sur le terrain Linguistic Communication: A Comparative Field Study. Compares the four international systems of linguistic communication used in the field systems used in the United Nations, multinationals, the European Union, and Esperanto organizations on select criteria e.
Discusses research that shows unilingual systems English used alone, Esperanto are those that…. Dans ce cas, les This study began in february and included until today ten patients. The analysis of preliminary results show a much higher tolerance for the vaginal cast device. The dosimetry data were the object of a preliminary study that seems demonstrate an equivalence of the both modalities, with differences concerning the doses to critical organs; The definitive result swill be presented with the data including the twenty planned patients.
Comparative study of thyroid fixation of different iodine compounds; Etude comparative de la fixation thyroidienne de differents composes iodes. Centre d’ Etudes Nucleaires.
The aim of this gri,le is to study the thyroid fixation of various iodine compounds in mineral or organic form. The animals rats are given therapeutic doses of the derivative orally with the object of saturating the thyroid, and then receive a determined dose of radio-iodine by intra-peritoneal injection; any fixation of this latter is then measured under anaesthetic by means of a scintillation counter.
Etude comparative de la mortalite hospitaliere des enfants de In this salairf, the author talks about “Folds” and ” Etudes ” which are hrille derived from anonymous typing exercises that he found in a used copy of “Touch Typing Made Simple”.
Typing exercises are repetitive attempts to type words and phrases…. Bioactivity and chemical constituents of the essential oil sonxtrach Dendranthema indicum L.
In this work, we took Dendranthema indicum as a target plant and two stored insects which include Tribolium castaneum and Stegobium paniceum adults as target insects. Essential oil obtained from Salair indicum was analyzed by gas chromatography-mass spectrometry GC-MS. A total of 31 components representing Significantly, in the progress of assay, it showed that the essential oil and chamazulene exhibited stronger insecticidal and repellent activities against Stegobium paniceum than Tribolium castaneum.
The results indicate that additional to its traditional use as Chinese medicinal herb, the essential oil of Dendranthema indicum aerial parts and isolated compounds have potential to be developed into natural insecticides or gdille for control of insects in stored grains. The present study examines the financial profitability grilld beekeeping in Cameroon.
The global objective is to compare the profitability of two types of bee farms in the North West Region. The osnatrach hypothesis, however, is the following: As regards the methodology used, a two stage stratified random sampling technique was used to select bee farmers. Primary data was collected on elements of costs and revenue.
The technique of cost benefit analysis was used to analyze the data. Findings showed that traditional beekeeping and semi-modern beekeeping using Kenyan hives “KTBH” farms have an average production of The semi-modern bee hives perform better than the traditional one.
Even with some difficulties faced by some farmers, bee farming in the North West Cameroon remains profitable. Despite the static character of this study, we suggest that beekeepers should adopt the semi-modern Kenyan hives.
Comparative study of energy conversion system dedicated to a small wind turbine; Etude comparative de chaines de conversion d’energie dediees a une eolienne de petite puissance. This study presents a comparison of architectures and strategies of energy management dedicated to VAWT turbines such as Savonius. A Maximum Power Point Tracking must be implemented in order to optimize the energetic behavior.
A torque or a speed control, or an indirect control of the DC bus current is possible. In the fact that the wind turbine characteristic is unknown, an operational research based on fuzzy logic is proposed. Aiming to minimize the cost of the static conversion structure, simple structures diode bridge inverter, associated with DC-DC chopper are analyzed and compared with a system based on a PWM Voltage Source Inverter.
A test bench has been realized in the meantime as a system simulation. Comparisons of the provided energy are made for different wind speeds allowing to evaluate the performance of each structure and of the control strategies. A comparative study of both the evolution of strontium content in the bones of individuals of different ages for the period as related to calcium, and the corresponding diets allowed to establish the relationship between food contribution and the resulting bone burden.
The study is mainly devoted to the group of adults for which a mathematical expression is proposed which allows for the exchangeable form of a skeletal calcium fraction turned over in less than a year from the dietary calcium, and the stabilized form constituting the larger part of bone tissue characterized by a slow turnover. Both the amount of the exchangeable fraction and the turnover rate of the stabilized fraction are determined for vertebrae and ribs.
At birth, bone levels indicate that the calcium used for skeleton modelling during foetal life originates from both maternal diet and bone tissue and a value is given, to their relative significance. There appears a good relationship between bone levels in infants from 6 months to 1 year of age and their diets. The physiological parameters particular to this age are quantified.
L’essentiel de l’ etude est consacre au cas des adultes. Pour ce groupe la formulation mathematique proposee tient compte de la presence de la forme echangeable d’une fraction du calcium osseux, renouvelee en moins d’un an a partir du calcium alimentaire, et de la forme stabilisee, constituant la majeure partie du tissu osseux, caracterisee par un renouvellement lent.
L’importance de la fraction echangeable, ainsi que le taux de renouvellement de la fraction stabilisee sont etablis pour les vertebres et les cotes. Comparative study of the creep behaviour of single crystals and polycrystals of alpha uranium; Etude comparee du comportement au fluage de l’uranium alpha mono et polycristallin. In the first chapter, one describes the creep machine developed to study the deformation of uranium at high temperature in vacuum with a continuous recording.
The second chapter presents the results concerning the polycrystals of uranium. The study of the variation of the creep rate with the applied stress and the metallographic observations of the deformation induced polygonization allow to conclude that the deformation is controlled by climb of dislocations.
The major deformation mode is slip. The preexisting polygonization of these single crystals is very stable and the disorientation between adjacent sub-grains increases with the deformation.
The activation energy for creep is higher than that for polycrystals. Le deuxieme chapitre presente les resultats relatifs aux polycristaux. 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.
Dans le troisieme chapitre, on etudie le comportement au fluage au-dessus de C des monocristaux obtenus par.
Under semi-arid climate conditions, use of furrow irrigation for potato is relatively low when compared to drip irrigation. A drip irrigation system with three amounts D, 0. Lower amounts of water applied 0.
We have studied and compared the 1,dihydroxyvitamin D3 receptor RD3 content of human digestive carcinoma with the normal mucosa one, removed at distance from the same surgical specimen.
The distribution of biopsies is as follows: Salzire of the fatigue behaviour and damage of a aged duplex stainless steel; Etude du comportement et de l’endommagement en fatigue d’un acier inoxydable austeno-ferritique moule vieilli.
Cast duplex stainless steels are commonly used in components of pressurized water reactors primary circuit. When submitted to in-service temperatures embrittlement occurs because of the nucleation and growth of a harder phase in the ferrite by spinodal composition.
Macrostructure of this steel ferritic primary grain size is about mm and embrittlement of ferrite due to aging lead to a very high scattering of mechanical properties xalaire monotonous loadings. We showed that, in spite of this macrostructure, the cyclic behaviour of aged duplex stainless steels fits usual Manson-Coffin law while initial hardening is followed by softening, in part because of the demodulation of the composition.
The fatigue crack propagation rate of material follows a Paris law.
While crack initiation mainly appears next to the millimetric cast defects, fatigue crack propagation remains a continuous mechanism. Ferritic and austenitic elements break successively ferrite first breaks by cleavage, then austenite breaks by ductile fatigue. In spite of the salsire that the aged ferrite is embrittled, cleavage microcracks, for load levels examined, seldom appear in ferrite at the crack tip and on both sides of the main crack.
Effects of cast defects and crystallographic ferrite orientation were also studied. Propagation fatigue crack behaviour was modeled assuming that the crack tip material behaves as if it was submitted to low cycle fatigue loadings.
If we consider a homogeneous material, results are in good agreement with experiments.
IRG-Traitements et salaires
Criticality studies; Etudes de criticite. Criticality studies made at the Commissariat a l’Energie atomique deal on the one hand with experiments on plutonium and uranium solutions, on the other hand with theoretical work on the development and use of computation, methods for the resolution of problems concerning the nuclear safety of chemical and metallurgical plants.
I – Since the experimental studies have dealt with homogeneous media constituted by a fissile salt dissolved in light water. Developed using the reactor Proserpine, the experiments have been carried on at Saclay on the Alecto assemblies where solutions of plutonium or of 90 p.
The results already obtained relate to critical masses of cylindrical tanks of diameters from 20 to 50 cm. Physical measurements spectra, reactor noises and interaction measurements complete the results.
Other experiments relating to plutonium solutions were begun inat the Valduc Center. They deal with the study of critical masses of annular vessels of external diameter 50 cm and internal diameter varying from 10 to 30 cm. These vessels can be water reflected internally, externally, or both.
Comité Olympique et Sportif Algérien
Two of these vessels have been sonatach in interaction for various geometries. Slabs of various thicknesses were also studied. II – The studies thus undertaken allowed the development of methods of computation which have been tested on several experiments. Particular use has been made of the possibilities of calculations based on transport theory and on Monte Carlo methods. All these theoretical studies are applied to the design and control of industrial plants from the point of view of safety.
The objective this study was to determine if in laboratory, Aedes Stegomyia aegypti L. The lifetime of both sexes was checked daily and a test for fructose was used for verification of sugar intake by mosquitoes. The daily access to the nectar gave a dde increase in the lifetime of males and females