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| 1 | Polynomial Decay and Blow Up of Solutions for Variable Coefficients Viscoelastic Wave Equation with Acoustic Boundary Conditions显示文摘A variable coefficient viscoelastic wave equation with acoustic boundary conditions and nonlinear source term is considered.Under suitable conditions on the initial data and the relaxation function g,we show the polynomial decay of the energy solution and the blow up of solutions by energy methods.The estimates for the lifespan of solutions are also given. | Yamna BOUKHATEM Benyattou BENABDERRAHMANE | 2016 | Acta Mathematica Sinica,English Series2016，32，2： | 5 |
| 2 | GENERAL DECAY FOR A VISCOELASTIC EQUATION OF VARIABLE COEFFICIENTS WITH A TIME-VARYING DELAY IN THE BOUNDARY FEEDBACK AND ACOUSTIC BOUNDARY CONDITIONS显示文摘A variable coefficient viscoelastic equation with a time-varying delay in the boundary feedback and acoustic boundary conditions and nonlinear source term is considered.Under suitable assumptions, general decay results of the energy are established via suitable Lyapunov functionals and some properties of the convex functions. Our result is obtained without imposing any restrictive growth assumption on the damping term and the elements of the matrix A and the kernel function g. | Vamna BOUKHATEM Benyattou BENABDERRAHMANE | 2017 | Acta Mathematica Scientia2017，37，5： | 3 |
| 3 | Quantitative trait loci for resistance against yellow rust in two wheat-de- rived recombinant inbred line populations 显示文摘 | Boukhatem N Baret P V Mingeot D | 2002 | Theor Appl Genet2002，10，1： | 1 |
| 4 | TCRA: a time- based channel reservation scheme for handover requests in LEO satellite systems 显示文摘 | Boukhatem L Beylot A L Ga ti D | 2003 | International Journal on Sate-llite Communication Networf:s2003，21，2： | 1 |
| 5 | TCRA: a time-based channel reservation scheme for handover requests in LEO satellite systems显示文摘 | Boukhatem L Beylot A L Gaiti D | 2003 | International Journal of Satellite Communications and Networking2003，21，： | 1 |
| 6 | Resource reservation schemes for handover issue in LEO satellite systems显示文摘 | L Boukhatem D Gaiti G Pujolle | 2002 | Wireless Personal Multimedia Communications2002，，： | 1 |
| 7 | Quantitative trait loci for resistance against yellow rust in two wheat derived re- combinant inbred line populations 显示文摘 | Boukhatem N Baret P V Mingeot D et a l | 2002 | Theor Appl Genet2002，104，： | 1 |
| 8 | Identification of Bemisia tabaci (Gennadius) (Hemiptera:Aleyrodidae) based on RAPD and design of two SCAR marker显示文摘 | Boukhatem N Jdaini S Muhovski Y | 2007 | Journal of Biological Research-Thessaloniki2007，8，： | 1 |
| 9 | Essential oil of Algerian rose-scented geranium (Pelargonium graveolens): chemical composition and antimicrobial activity against food spoilage pathogens显示文摘 | BOUKHATEM M N KAMELI A SAIDI F | 2013 | Food Control2013，34，1： | 1 |
| 10 | Lean HC gas injection pilots analysis and IPR back calculation to examine the impact of asphaltene deposition on flow performance显示文摘Gas injection is one of the most economical and effective approach to improve oil recovery.However,outcome of such approach is contingent to reservoir heterogeneities impacting gas override and fingering.Furthermore,injected fluid composition and its compatibility with the reservoir fluid potentially impact flow assurance issues such as asphaltene precipitation into the wellbore and surface facilities.The objective of this paper is to examine the lesson learnt from a couple of field scale 5 spot patterned lean hydrocarbon gas injection pilots which were deployed in a heterogeneous carbonate formation of a giant field located offshore Abu Dhabi under secondary and tertiary drive mechanisms.Said pilots provides a valuable insight on production performance,pressure support,gravity override,fluid composition and evidence of asphaltene deposition that resulted in heavy production loss prior to the solvent treatment.This paper presents the overall pilot performance including pattern recovery,fluid front movement,potential role of heterogeneity in gas breakthrough timings and the operational events to witness asphaltene deposition affecting the flow performance.The deposited asphaltene cake thickness was measured mechanically during routine tubing clearance check operation that was helpful in estimating production loss due to altered production tubing flow opening.Also an integrated approach is applied to confirm the AOP laboratory measurements with the actual deposits of asphaltene that were found in to the production tubing.In order to confirm the effect of asphaltene deposition on inflow from near wellbore formation to the wellbore,a straightforward yet innovative nodal analysis approach was applied to study well performance using the calibrated and history matched well model.It was noticed that not only the outflow was altered because of asphaltene deposition into wellbore but also the inflow(productivity index)was seriously impacted potentially due to asphaltene deposition in near wellbore formation. | Fahad I.Syed Mohamed Boukhatem Ahmed A.Al Kiyoumi | 2019 | Petroleum Research2019，4，1： | 1 |
| 11 | COPS Usage for Dynamic Policy-based QoS Management over Heterogeneous IP Networks显示文摘 | Nguyen T M T Boukhatem N Pujolle G | 2003 | IEEE Network2003，17，3： | 1 |
| 12 | A time-based reservation scheme for managing handovers in satellite systems显示文摘 | Boukhatem L Pujolle G and Gaiti D | | International Journal of Network Management0，2003，： | 1 |
| 13 | Essential oil of Algerian rose- scented geranium ( Pelargonium graveolens) : Chemical Composition and Antimicrobial Activity Against Food Spoilage Pathogens 显示文摘 | Boukhatem M N Kameli A Saidi F | 2013 | Food Control2013，34，1： | 1 |
| 14 | Synthesis,characterization and photocatalytic activity of CdS-montmorillonite nanocomposites显示文摘 | Boukhatem H Djouadi L Abdelaziz N | | 0，，01： | 1 |
| 15 | Activity of combinations of ceftazidime,imipenem and pefloxacin against Staphylococcus aureus,Escherichia coli and Pseudomonas aeruginosa显示文摘 | El-Sukhon S N Boukhatem Z F | 2003 | International Journal of Antimicrobial Agents2003，22，6： | 1 |
| 16 | Quantitative trait loci for resistance against yellow rust in two wheat - derived recombinant inbred line populations 显示文摘 | Boukhatem N Baret P V Mingeot D | 2002 | Theoretical and AppliedGenetics2002，104，： | 1 |
| 17 | Soluble p75 neurotrophic receptor as a reliable biomarker in neurodegenerative diseases: what is the evidence?显示文摘Neurodegenerative diseases are often misdiagnosed,especially when the diagnosis is based solely on clinical symptoms.The p75 neurotrophic receptor(p75^(NTR))has been studied as an index of sensory and motor nerve development and maturation.Its cleavable extracellular domain(ECD)is readily detectable in various biological fluids including plasma,serum and urine.There is evidence for increased p75NTR ECD levels in neurodegenerative diseases such as Alzheimer’s disease,amyotrophic lateral sclerosis,age-related dementia,schizophrenia,and diabetic neuropathy.Whether p75^(NTR) ECD could be used as a biomarker for diagnosis and/or prognosis in these disorders,and whether it could potentially lead to the development of targeted therapies,remains an open question.In this review,we present and discuss published studies that have evaluated the relevance of this emerging biomarker in the context of various neurodegenerative diseases.We also highlight areas that require further investigation to better understand the role of p75^(NTR) ECD in the clinical diagnosis and management of neurodegenerative disorders. | Georges Jourdi Samuel Fleury Imane Boukhatem Marie Lordkipanidzé | 2024 | Neural Regeneration Research2024，19，3： | 0 |
| 18 | Service life prediction of fly ash concrete using an artificial neural network显示文摘Carbonation is one of the most aggressive phenomena affecting reinforced concrete structures and causing their degradation over time.Once reinforcement is altered by carbonation,the structure will no longer fulfill service requirements.For this purpose,the present work estimates the lifetime of fly ash concrete by developing a carbonation depth prediction model that uses an artificial neural network technique.A collection of 300 data points was made from experimental results available in the published literature.Backpropagation training of a three-layer perceptron was selected for the calculation of weights and biases of the network to reach the desired performance.Six parameters affecting carbonation were used as input neurons:binder content,fly ash substitution rate,water/binder ratio,CO_(2)concentration,relative humidity,and concrete age.Moreover,experimental validation carried out for the developed model shows that the artificial neural network has strong potential as a feasible tool to accurately predict the carbonation depth of fly ash concrete.Finally,a mathematical formula is proposed that can be used to successfully estimate the service life of fly ash concrete. | Yasmina KELLOUCHE Mohamed GHRICI Bakhta BOUKHATEM | 2021 | Frontiers of Structural and Civil Engineering2021，15，3： | 0 |
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