JFAS_Vol 01 N 02
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Item GENETIC PROGRAMMING FOR BRICK'S CHEMICAL ANALYSIS MODELLING(جامعة الوادي university of eloued, 2018-05-01) H., Marouf1*,; A., . Semcha2,; N, Mahmoudi3,; , Bouhamou1 N.This study is part of the search for a sediment management methodology and the basic material that is designed for the manufacture of fired brick, in which we tackle the problem of choosing the mud samples from dredging the Algerian dams in particular (Bouhanifia dam western Algeria) and the choice of clay that comes from different deposits. We propose an approach for sampling using a computer optimization model that allows solving and optimizing a characterization to retain the best adapted sample (chemically) usingItem HYBRID SYSTEM POWER GENERATION'WIND-PHOTOVOLTAIC' CONNECTED TO THE ELECTRICAL NETWORK 220 KV(جامعة الوادي university of eloued, 2018-05-01) D, Mida1,; D, Benattous2Renewable energy have the potential to generate electricity cleanly without pollution and a lesser dependence of resources for this production of electric power by these systems sources such as solar, wind, hydro, geothermal and biomass instead anti-environmental conventional systems such as gas, coal and oil is a remarkable idea but not frequent in Algeria. Our research focuses on the study of a hybrid energy system (Photovoltaic-Wind), connected to the Electrical Network 220 kV and this by tracking the maximum power point (MPPT) for two energy sources. For this, methods based on optimization algorithms were used side PV array and Wind turbine. With regard to the wind turbine, optimization was based on an analytical approach method. The Matlab/Simulink is used for simulated power output from Hybrid System, power delivered to or from grid and phase voltage of the inverter legItem A SYSTEMATIC STUDY ON PREDICTING DEPRESSION USING TEXT ANALYTICS(جامعة الوادي university of eloued, 2018-05-01) V., Mishra*1; T, GargSocial Networking Sites (SNS) provides online communication among groups but somehow it is affecting the status of mental health. For adolescents with limited social media friends and using internet for communication purposes predicted less depression, whereas non-communication desire reveals more depression and anxiety disorder. Social media posts and comments provide a rich source of text data for academic research. In this paper, we have discussed various text analytical approaches to predict depression among users through the sharing of online ideas over such websites. This paper presents a comprehensive review for predicting depression disorder by various text analytics approaches. This paper also presents the summary of results obtained by some researchers available in literature to predict Major Depressive Disorder (MDD). In future research, enable self-monitoring of health status of each individuals which may help to increase well-being of an identityItem A STUDY ON ANALYSIS OF CARDIOVASCULAR DISEASES(جامعة الوادي university of eloued, 2018-05-01) K, Akyol1; B, ŞenCommonly seen in adults, cardiovascular diseases are important health problems. In order to investigate the causes of the diseases which affect the heart and the blood vessels, two datasets were used. First, one of these datasets is publicly available dataset provided by the University of California, Irvine Machine Learning Repository. The effects of biochemistry and hemogram laboratory test results for the Cardiovascular Diseases were analyzed by using the second dataset which was taken from the cardiology and other services of Yildirim Beyazit University Ataturk Training and Research Hospital. ICD-10 (International Statistical Classification of Diseases and Related Health Problems) booklet was taken as a reference for the patient and control groups. The successes of the classifier algorithms indicated that working with the datasets which have only limited number of attributes is not right stepItem EFFECT OF OPERATING CONDITIONS ON THIN LAYERS OF TITANIUM POSED ON STEEL 100C6 SUBSTRATES WITH PVD METHOD(University of Eloued جامعة الوادي, 2009-07-01) R. Gheriani; R. HalimiWe proposed to prepare hard coatings based on titanium carbides by deposition of thin layers of pure Ti by sputtering method on steel substrates 100C6 of 1 %mass carbon. The samples were annealed under vacuum in the temperature range of 400 ° C to 1000 ° C, in order to activate the reaction between the two parts of the system which results the formation of carbides of Ti due to the diffusion of carbon from the substrate towards deposited layers. We therefore note an improvement in mechanical properties such as hardness. To demonstrate the effect of deposition parameters, we have prepared two series, the first one with a high pressure of argon and remarkable energy of extracted atoms, and in the case of the second one the pressure and kinetic energy are relatively less important. The samples of series 2 show features more important: a compact structure and good mechanical properties. The reaction between thin films and substrates is studied by x-ray diffraction (XRD), scanning electron microscopy (SEM). The measurements of microhardness were performed with the Vickers methItem STUDIES OF CHANGES OF SOME BLOOD PARAMETERS AMONG WORKERS OF CEMENT OF EL MA EL ABIOD TEBESSA ALGERIA(University of Eloued جامعة الوادي, 2009-07-01) Aouimeur, M.; Goudjil, T.; Rouabhia, A.; Hamiri, M.In Algeria, the industrial development engenders the appearance of the sanitary and environmental problems resulting from the pollution due to these certain industries such as the industry cimentière. With the aim of estimating the sanitary state of the workers of the cement works; a study was made for 30 workers of the cement works. This study is based on the determination of the values of 07 parameters hématologiques (red blood cells, haemoglobin, hématocrite, average spherical volume, The corpuscular concentration averages in haemoglobin, The corpuscular content averages in haemoglobin and the number of white blood cells) and two parameters considered as markers premature of the inflammation (sedimentation speed and protein-C-reactive). These results are compared with two other populations, one of the inhabitants of the region and other one of the inhabitants far from the cement works avec 60 km. The statistical analyses are based on the comparison of the variances and the analysis in main constituent (ACP). The comparison of the variance of the various variable of the individuals show a resemblance between the workers and the inhabitants close to the cement works but significant differences appeared between both populations and those of the cement works for some parameters. The global analysis of these results with the ACP showed a general coherence. The observation of the groups allowed removing some peculiarities. This distribution shows the relation between the functional state and the variation of the parameters.Item Stady of the SEMI- Theoretical Relation of the Hydraulic JuMP Evolving in An U-SHaped Channel, With Rough Bed(University of Eloued جامعة الوادي, 2009-07-01) Ghomri, A.; Debabeche, M.; Riguet, F.This study has for objective to study the theoretical relation of the hydraulic jump by sill, evolving in an U-shaped channel, with a rough bed. Functional relations, in non-dimensional form, relating the jump characteristics, seeming the effect of the bed's roughness, are obtained. A comparative study with the hydraulic jump in U-shaped channel, with smooth bed is proposed.Item INHIBITION EFFECT OF FLAVONOID EXTRACT OF EUPHORBIA GUYONIANA ON THE CORROSION OF MILD STEEL IN H2SO4 MEDIUM(University of Eloued جامعة الوادي, 2009-07-01) Chihi, S.; Gherraf, N.; Alabed, B.; Hameurlain, S.The influence of flavonoids extracts of three parts of Euphorbia Guyoniana towards the corrosion of type API 5L X52 steel in 15% H2SO4 has been evaluated by weight loss method and polarization technique. The results showed that extracts are a good inhibitors for API 5L X52 steel in this medium. The corrosion inhibition efficiency increases on increasing plant extracts concentration. The inhibition is attributed to the adsorption of the surface of the metal. Potentiodynamic polarization results revealed that the studied inhibitors behave as a mixed type.Item ELECTROCHEMISTRY CHARACTERIZATION OF FERROCENE/FERRICENIUM REDOX COUPLE AT GLASSYCARBON ELECTRODE(University of Eloued جامعة الوادي, 2009-07-01) Neghmouche, N. S.; Khelef, A.; Lanez, T.In the present work the oxidation of ferrocene, , to the ferrocenium cation, , was examined in the solvents dichloromethane, and aqueous ethanol using the technique of cyclic voltammetry. The anodic (Epa) and the cathodic (Epc) peak potentials, as well as the corresponding anodic (ipa) and cathodic (ipc) peak currents, were obtained at different scan rates (0.05, 0.10, 0.30, 0.50 V.s-1). The diffusion coefficients (D) have been calculated using the Randles-Sevcik equation. The effects of changing the scan rate on the electrochemical behavior of ferrocene have been examined.Item PHYSICO-CHEMICAL CHARACTERISTICS AND QUALITY OF FEED WATERS OF THE EL-OUED CITY STUDY OF CASE (FLUORINE AND ARSENIC)(University of Eloued جامعة الوادي, 2009-07-01) Laouini, S. E.; Ladjel, S.; Ouahrani, M ed. R.In these days, of numerous country through worlds are confronted to an excess of fluor and arsenic in the wake of drink and preoccupy by in to minimize consequences on the consumers health. The arsenic and the fluor are to scale planetary polluted them of geological origin more frequently met in underground waters. In of numerous countries in expansion, waters so contaminated are often consummated without any previous treatment. Effects inorganic reserved salts in the wake of drink, benefic or luckless acting of their concentration, are known since of numerous years today already more 1,5 billion of persons have not attack to a healthy drinking-water. According to the OMS, these are 15 million to be human who die each year after to drink of the water no potable, or for want of not to have not attack to the drinking-water . Of numerous countries being in possession regions where some waters present amounts in fluor and arsenic superior to recommendations of the OMS (0,7-1,5 mg/L for fluor and 10 L/g for the arsenic). The fluor behoves against blights and hardens the teeth enamel ;to better concentration it fragilise the bone or induces points of crystallization favoring the appearance of articular distorting arthrosis : this is her fluorose. Effects ought to the arsenic are numerous: lésions of the peel, canker, illnesses cardiovasculair or pulmonarias, hypertension and cancers. This work has been realized on the water of five boreholes of the town of El-Oued in collaboration with the laboratory of the waters Algerian (ADE). The experimentation was aiming to define them plenty of fluor and arsenic exists in five boreholes to study and in fine to estimate the quality consumptive watersItem SPECTROSCOPIC DIAGNOSIS IN ELECTRONIC TEMPERATURE OF PHOTOIONISE PLASMAS(University of Eloued جامعة الوادي, 2009-07-01) Ferouani, A. K.; Inal, M. K.In this work, we are interested in the diagnostics in electronic temperature of a plasma purely photoionized, based on the intensity ration of lines emitted by ions helium-like, which have an atomic number Z relatively small. We considered the three lines corresponding to the transitions starting from the excited levels 1s2l towards the fundamental level 1s2 1S0, like appropriate lines. More precisely, the line of resonance w due to the transition 1s2p 1P1 1s2 1 S0, the line of intercombinaison (x,y) 1s2p 3 P2,1 1s2 1 S0 as well as prohibited line z due to the transition 1s2 3 S1 1s2 1 S0. These lines appear clearly in the spectra of astrophysical plasmas. As helium-like ion, we chose two, the oxygen O6+ (Z=8) and neon Ne8+ (Z=10). We carried out calculations of the ration of lines intensity G=(zxy)/w of O6+ and Ne8+ according to the electronic temperature in the range going from 105 to 107 K. We will see that, like it was shown by Gabriel and Jordan in 1969 [1], this intensity ration can be very sensitive to the temperature electronic and practically independent of the electronic density. Consequently, the ration G can be used to determine in a reliable way the electronic temperature of plasma observed