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Geochemical characterization of the salinity of irrigated soils in arid regions(Biskra, SE Algeria)

Acta Geochimica 2021年第2期40卷 234-250页

作者： mohamed amine Abdennour Abdelkader Douaoui Jesus Barrena Manuel Pulido Abdelhamid Bradai Amel Bennacer Chiara Piccini Alberto Alfonso-Torreno Laboratory of Ecosystem Diversity and Agricultural Production System Dynamics in Arid Zones(DEDSPAZA) Mohamed Khider University07000 BiskraAlgeria Laboratory of Crop Production and Sustainable Valorization of Natural Resources Djilali Bounaama University44225 Khemis MilianaAlgeria GeoEnvironmental Research Group University of Extremadura10071 CaceresSpain Laboratory of Water and Environment Hassiba Ben Bouali University02180 ChiefAlgeria Laboratory of Valorization and Conservation of Biological Resources Faculty of SciencesMohamed Bougara University35000 BoumerdesAlgeria Research Centre for Agriculture and Environment Council for Agricultural Research and EconomicsVia della Navicella 2-400184 RomeItaly

The agriculture in Biskra,southeastern Algeria,is based on traditional practices and characterized by small irrigated *** the last decades,the increasing demand in water as well as the scarcity of rainfall has forced many farmers to use groundwater of low quality to maintain the profitability of their ***,this practice seems to be the main harmful factor for soil quality in the region since it is responsible for the salinization of the irrigated *** to assess the impact of this phenomenon,the soils of the irrigated perimeter of El Ghrous-a representative rural community located in the west of Biskra-have been analyzed.A set of 82 soil samples was collected from top and subsoil(0-15 and15-35 cm respectively),on which the following physicochemical analyzes were performed:Ca^(2+),Mg^(2+),K^(+),Na^(+),Cl^(-),SO_(4)^(2-),HCO_(3)^(-),NO_(3)^(-),pH,electrical conductivity(EC)and sodium adsorption ratio.A Principal Component Analysis was performed to individuate the geochemical processes that influenced significantly the evolution of soil salinity and its *** results showed a calcium sulfate(CaSO_(4))facies with a high risk of salinity and a low to medium risk of *** calcite residual alkalinity and generalized residual alkalinity decreased as the solutions became more *** of the samples were oversaturated in carbonate minerals(aragonite,calcite,and dolomite)and under saturated in evaporitic minerals(anhydrite,gypsum,and halite).Finally,two multiple linear regressions(using cations and anions as independent variables)have been proposed to quantify soil *** equations,with an accuracy of 85%,can represent a time and money-saving tool for managers and farmers to estimate the EC,in comparison to the traditional estimation methods.

关键词： Electrical conductivity Cations Anions Soil quality Saturation index PHREEQC

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Hypoglycaemic effect of Berberis vulgaris *** normal and streptozotocin-induced diabetic rats

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Asian Pacific Journal of Tropical Biomedicine 2011年第6期1卷 468-471页

作者： Nawel Meliani mohamed El amine Dib Hocine Allali Boufeldja Tabti Laboraloire des Substances Naturelles et Bioactives (LASNABIO) Departement de Chimie Faculte des SciencesUniversite Aboubekr Belkaid BP 119

Objective:To achieve a primary pharmacological screening contained in the aqueous extract of Berberis vulgaris(***) and to examine the hypoglycaemic effect and biochemical parameters of aqueous and saponins extract on groups of rats rendered diabetic by injection of ***:The phytochemicol tests to detect the presence of different compounds were based on the visual observation of color change or formation of precipitate after the addition of specific *** was induced in rats by intraperitoneal(i.p.) injection of streptozotocin(STZ) at a dose of 65 mg/kg *** fasting blood glucose levels were estimated by glucose oxidase-peroxidase reactive strips(Dextrostix,Bayer Diagnostics).Blood samples were taken by cutting the tip of the *** cholesterol and serum triglycerides were estimated by enzymatic DHBS colorimetric ***:Administration of 62.5 and 2S.0 mg/kg of saponins and aqueous extract respectively in normal rats group shows a significant hypoglycemic activity(32.33%and 40.17%respectively) during the first ***,diabetic group treated with saponin extract produced a maximum fall of 73.1%and 76.03%at day 1 and day 21 compared to the diabetics ***,blood glucose levels of the diabetic rats treated with aqueous extract showed decrease of 78.79%on the first day and the effect remains roughly constant during 3 week. Both extracts also declined significantly biochemical parameters(20.77%-49.00%).The control in the loss of body weight was observed in treated diabetic rats as compared to diabetic controls. Conclusions:These results demonstrated significant antidiabetic effects and showed that serum cholesterol and serum triglycerides levels were decreased,significantly,consequently this plant might be of value in diabetes treatment.

关键词： Berberis vulgaris L. Antidiabetic activity Streptozotocin-induced diabetes Saponins Aqueous extract Photochemical screening Hypoglycaemic effect Biochemical parameters Cholesterol Triglycerides Glucose oxidase-peroxidase Colorimetric method

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Double Deep Q-Network Method for Energy Efficiency and Throughput in a UAV-Assisted Terrestrial Network

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Computer Systems Science & Engineering 2023年第7期46卷 73-92页

作者： mohamed amine Ouamri Reem Alkanhel Daljeet Singh El-sayed M.El-kenaway Sherif S.M.Ghoneim University Grenoble Alpes CNRSGrenoble INPLIGDRAKKAR Teams38000GrenobleFrance Laboratoire d’informatique Médical Universitéde BejaiaTarga OuzemourQ22R+475Algeria Department of Information Technology College of Computer and Information SciencesPrincess Nourah bint Abdulrahman UniversityP.O.Box 84428Riyadh11671Saudi Arabia Department of Research and Development Centre for Space ResearchSchool of Electronics and Electrical EngineeringLovely Professional UniversityPhagwara144411India Department of Communication and Electronics Delta Higher Institute of Engineering and TechnologyMansouraEgypt Electrical Engineering Department College of EngineeringTaif UniversityP.O.BOX 11099Taif21944Saudi Arabia

Increasing the coverage and capacity of cellular networks by deploying additional base stations is one of the fundamental objectives of fifth-generation(5G)***,it leads to performance degradation and huge spectral consumption due to the massive densification of connected devices and simultaneous access *** meet these access conditions and improve Quality of Service,resource allocation(RA)should be carefully ***,RA problems are nonconvex optimizations,which are performed using heuristic methods,such as genetic algorithm,particle swarm optimization,and simulated ***,the application of these approaches remains computationally expensive and unattractive for dense cellular ***,artificial intelligence algorithms are used to improve traditional RA *** learning is a promising tool for addressing resource management problems in wireless *** this study,we investigate a double deep Q-network-based RA framework that maximizes energy efficiency(EE)and total network throughput in unmanned aerial vehicle(UAV)-assisted terrestrial ***,the system is studied under the constraints of ***,the optimization problem is formulated as a mixed integer nonlinear *** this framework,we evaluated the effect of height and the number of UAVs on EE and ***,in accordance with the experimental results,we compare the proposed algorithm with several artificial intelligence *** results indicate that the proposed approach can increase EE with a considerable throughput.

关键词： UAV terrestrial network reinforcement learning mmWave resource allocation

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Polyethylene glycol rinse solution:An effective way to prevent ischemia-reperfusion injury

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World Journal of Gastroenterology 2014年第43期20卷 16203-16214页

作者： mohamed amine Zaouali mohamed Bejaoui Maria Calvo Emma Folch-Puy Eirini Pantazi Gianfranco Pasut Antoni Rimola Hassen Ben Abdennebi René Adam Joan Roselló-Catafau Experimental Hepatic Ischemia-Reperfusion Unit IIBB-CSICCSIC-IDIBAPS08036 BarcelonaSpain Molecular Biology and Anthropology Applied to Development and Health (UR12ES11) Faculty of PharmacyUniversity of Monastir5000 MonastirTunisia Serveis Cientifico-Tècnics Universitat de Barcelona08036 BarcelonaSpain Pharmaceutical and Pharmacological Department University of Padova35122 PadovaItaly Hospital Clínic Networked Biomedical Research Center of Hepatic and Digestive Diseases (Ciber EHD)08036 BarcelonaSpain AP-HP H?pital Paul Brousse Centre Hepato-BiliaireUniv Paris-Sud Villejuif75008 ParisFrance

AIM: To test whether a new rinse solution containing polyethylene glycol 35 (PEG-35) could prevent ischemia-reperfusion injury (IRI) in liver grafts.

关键词： Liver washout Liver transplantation Rinse solution Ischemia-reperfusion injury Polyethylene glycol 35 Nitric oxide Adenosine monophosphate-activated protein kinase Heme oxygenase 1 Heat shock protein 70 Metalloproteinases

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Positive Solutions of Nonlinear Elliptic Problem in a Non-Smooth Planar Domain

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Journal of Partial Differential Equations 2014年第3期27卷 200-216页

作者： BEN BOUBAKER mohamed amine Institut Preparatoire aux Etudes D'Ingénieur De Nabeul University of Carthage Campus Universitaire Merezka 8000 Nabeul Tunisia.

We find and prove 3G inequalities for the Laplacian Green function with the Dirichlet boundary condition, which are applied to show the existence of positive continuous solutions of the nonlinear equation Δu-Vu=g（·,u）, where V and g are Borel measurable functions, required to satisfy suitable assumptions related to a new functional class J. Our approach uses the Schauder fixed point theorem.

关键词： Green function Schauder fixed point theorem superharmonic function.

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Antimicrobial activity of some essential oils against oral multidrugresistant Enterococcus faecalis in both planktonic and biofilm state

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Asian Pacific Journal of Tropical Biomedicine 2014年第6期4卷 463-472页

作者： Fethi Benbelaid Abdelmounaim Khadir mohamed amine Abdoune Mourad Bendahou Alain Muselli Jean Costa Laboratory of Applied Microbiology in Food Biomedical and Environment(LAMAABE)Aboubekr Belkaid University Laboratory of Natural Products Chemistry University of CorsicaUMR CNRS 6134Campus GrimaldiBP 5220250 CorteFrance

Objective:To evaluate some essential oils in treatment of intractable oral infections,principally caused by hiofilm of multidrug-resistant Enterococcus faecalit(***),such as persistent endodontic infections in which their treatment exhibits a real challenge for ***:Ten chemically analyzed essential oils by gas chromatography-mass spectrometry were evaluated for antimicrobial activity against sensitive and resistant clinical strains of *** in both planktonic and hiofilm state using two methods,disk diffusion and broth ***:Studied essential oils showed a good antimicrobial activity and high ability in *** biofilm eradication,whether for sensitive or multidrug-resistant strains,especially those of Origanum glandulosum and Thymbra capitata with interesting minimum inhibitory concentration,biofilm inhibitory concentration,and biofilm eradication concent ration values which doesn't exceed 0.063%,0.75%,and 1.5%,***:Findings of this study indicate that essential oils extracted from aromatic plants can be used in treatment of intractable oral infections,especially caused by biofilm of multidrugresistant ***.

关键词： Bacterial infections Biofilm Enterococcus faecalis Essential oils Multidrug-resistance

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Uncommon Bone Metastases of the Hand

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Open Journal of Orthopedics 2020年第12期10卷 395-402页

作者： Sarah Houimli mohamed amine Selmene Plastic Reconstructive and Aesthetic Surgery Department Trauma Center Ben Arous Tunisia Orthopedic Surgery Department Trauma Center Ben Arous Tunisia

Bone metastases are common and occur in several types of cancer. But when they occur in rare localizations, such as in the hand, they can be the source of a diagnostic and prognostic problem. We report two cases of bone metastases occurring in the hand. The objective of our work is to make the reader think of the diagnosis of metastases in front of a bone lesion in the hand despite its rarity and its occurrence in a patient without pathological history or is followed-up for a cancer which was declared cured or under treatment. Both patients presented with painful swelling, the first one at the 3rd finger and the other one at the 3rd metacarpal. In the first case, bone metastasis revealed the existence of the cancer of origin, and in the second, it was diagnosed in a known patient with cancer. Bone biopsy and histological examination confirmed the diagnosis. Treatment at this advanced stage of the cancerous disease is almost always palliative because, in part, of the aggressiveness of bone metastases. A rapid diagnosis of acrometastases is mandatory in order to avoid a delay in treatment. They are characterized by a pejorative prognosis. Pain control is essential in these types of patients.

关键词： Hand Bones Metastases Surgery

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Highly Efficient Extraction of Cadmium(II) in Nitrate Medium by Quarternary Ammoniums

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American Journal of Analytical Chemistry 2015年第11期6卷 898-910页

作者： Brahim Guezzen mohamed amine Didi Laboratory of Separation & Purification Technologies Department of Chemistry Tlemcen University Tlemcen Algeria

The solvent extraction of cadmium(II) from nitrate medium was studied. The using extractants were quaternary ammonium-based room temperature ionic liquid Aliquat 336 in either the chloride [(C8H17)3 CH3N+·Cl-], thiocyanate [(C8H17)3CH3N+·SCN-] and hydrogenophosphate forms, diluted in the kerosene. The effects of different parameters such as equilibration time, initial pH, O/A molar ratio (nextractant/nCd), initial extractant concentration and ionic strong on extraction of cadmium(II) were investigated. The extraction yields of cadmium(II) increase with increasing initial pH and initial extractant concentration. The stoichiometry of the extracted species was determined on the basis of slope analysis. The effect of various salts such as KSCN and NaNO3 in the feed solution within the concentrations of 10 to 100 mM on extraction of cadmium(II) was studied at optimal initial pH = 6.2. The relation between the percentages of the extracted species () and the extraction yields were investigated by a calculation program using CHEAQS V. L20.1. The results showed that the decrease of the extraction yield of Cd(II) was related with the decrease gradually of percentage of cadmium(II) free and the increase of percentage of and species with the addition of KSCN. More the hydrophobic character of the extractant is high, more the extraction is better. The metal ion was stripped out satisfactorily using nitric acid as stripping agent, in one step.

关键词： Cadmium Liquid-Liquid Extraction Ionic Liquid Aliquat 336 Anion Effect

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Firm Size, Innovation and Vertical Integration Incentives： The Case of Food Supply Chain

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Chinese Business Review 2016年第2期15卷 94-102页

作者： Amina Omrane mohamed amine Benmehaia Faculte des Sciences Economiques et de Gestion de Sfax (FSEGS) Sfax Tunisia Ecole Nationale SupErieure d'Agronomie Alger Algeria

This study aims to investigate and explore the relationship between vertical integration and the firm＇s innovativeness in food supply chain. For doing so, a two-stage least-squares model was used. It encompassed instrumental variables that attempt to describe the effective determinants of firm＇s vertical integration willingness. Results based on data concerning a set of 130 food-manufacturing firms, highlighted that vertical integration of a firm is strongly affected by internal incentives such as innovation rate and firm size. Moreover, it is simultaneously influenced by the economies of scale and some structure incentives. To conclude, results indicate globally that important and statistically significant differences exist across the studied firms and the small effective ones which acquire a high level of vertical integration.

关键词： vertical integration firm size performance innovation food supply chain

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Insulin like growth factor-1 increases fatty liver preservation in IGL-1 solution

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World Journal of Gastroenterology 2010年第45期16卷 5693-5700页

作者： mohamed amine Zaouali Susagna Padrissa-Altés Ismail Ben Mosbah Hassen Ben Abdennebi Olivier Boillot Antoni Rimola Dalila Saidane-Mosbahi Joan Roselló-Catafau Experimental Hepatic Ischemia-Reperfusion Unit Institut d'Investigacions Biomèdiques de BarcelonaConsejo Superior de Investigaciones Científicas08036 BarcelonaSpain Unitat de Transplantament de Fetgei Viabilitat del' Empelt Institut d'Investigacions Biomèdiques August Pii Sunyer08036 BarcelonaSpain Laboratory of Human Physiology Faculty of PharmacyUniversity of Monastir5000 MonastirTunisia Unit of Hepatic Transplantation Edouard Herriot Hospital69003 LyonFrance Biomedical Research Center Esther Koplowitz CIBER-ehdInstitute of Health Carlos Ⅲ08036 BarcelonaSpain

AIM: To investigate the benefits of insulin like growth factor-1 (IGF-1) supplementation to serum-free institut georges lopez-1 (IGL-1) solution to protect fatty liver against cold ischemia reperfusion injury. METHODS: Steatotic livers were preserved for 24 h in IGL-1  solution supplemented with or without IGF-1 and then perfused "ex vivo " for 2 h at 37℃. We examined the effects of IGF-1 on hepatic damage and function (transaminases, percentage of sulfobromophthalein clearance in bile and vascular resistance). We also studied other factors associated with the poor tolerance of fatty livers to cold ischemia reperfusion injury such as mitochondrial damage, oxidative stress, nitric oxide, tumor necrosis factor-α (TNF-α) and mitogen-activated protein ***: Steatotic livers preserved in IGL-1 solutionsupplemented with IGF-1 showed lower transaminase levels, increased bile clearance and a reduction in vascular resistance when compared to those preserved in IGL-1solution alone. These benefits are mediated by activation of AKT and constitutive endothelial nitric oxide synthase (eNOS), as well as the inhibition of inflammatory cytokines such as TNF-α. Mitochondrial damage and oxidative stress were also ***: IGL-1  enrichment with IGF-1 increasedfatty liver graft preservation through AKT and eNOS activation, and prevented TNF-α release during normothermic reperfusion.

关键词： AKT Institut georges lopez-1 solution Insulin like growth factor-1 Ischemia reperfusion injury Nitric oxide Oxidative stress Steatotic graft preservation

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