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| 1 | Microbiological parameters and maturity degree during composting of Posidonia oceanica residues mixed with vegetable wastes in semi-arid pedo-climatic condition显示文摘The aim of this study was to characterize the biological stability and maturity degree of compost during a controlled pile-composting trial of mixed vegetable residues (VR) collected from markets of Tunis City with residues of Posidonia oceanica (PoR), collected from Tunis beaches. The accumulation in beaches (as well as their removal) constitutes a serious environmental problem in all Mediterranean countries particularly in Tunisia. Aerobic-thermophilic composting is the most reasonable way to profit highly-valuable content of organic matter in these wastes for agricultural purposes. The physical, chemical, and biological parameters were monitored during composting over 150 d. The most appropriate parameters were selected to establish the maturity degree. The main result of this research was the deduction of the following maturity criterion: (a) C/N ratio < 15; (b) NH4+-N < 400 mg/kg; (c) CO2-C < 2000 mg CO2-C/kg; (d) dehydrogenase activity < 1 mg TPF/g dry matter; (e) germination index (GI) > 80%. These five parameters, considered jointly are indicative of a high maturity degree and thus of a high-quality organic amendment which employed in a rational way, may improve soil fertility and soil quality. The mature compost was relatively rich in N (13.0 g/kg), P (4.74 g/kg) and MgO (15.80 g/kg). Thus composting definitively constitutes the most optimal option to exploit these wastes. | SAIDI Neyla KOUKI Soulwene M'HIRI Fadhel JEDIDI Naceur MAHROUK Meriam HASSEN Abdennaceur OUZARI Hadda | 2009 | Journal of Environmental Sciences2009，21，10： | 32 |
| 2 | Isolation and characterization of facultative mixotrophic ammonia-oxidizing bacteria from constructed wetlands显示文摘Autotrophic ammonia-oxidizing bacteria (AOB) have been widely studied in constructed wetlands systems,while mixotrophic AOB have been less thoroughly examined.Heterotrophic bacteria were isolated from wastewater and rhizospheres of macrophytes of constructed wetlands,and then cultivated in a mixotrophic medium containing ammonium and acetic acid.A molecular characterization was accomplished using ITS-PCR amplification,and phylogenetic analysis based on 16S rRNA gene sequences.Results showed the presence of 35 bacteria,among 400 initially heterotrophic isolates,that were able to remove ammonia.These 35 isolates were classified into 10 genetically different groups based on ITS pattern.Then,a collection of 10 isolates were selected because of their relatively high ammonia removal efficiencies (ARE 80%) and their phylogenetic diversity.In conditions of mixotrophy,these strains were shown to be able to grow (increase of optical density OD 660 during incubation with assimilation of nitrogen into cellular biomass) and to oxidize ammonia (important ammonia oxidation efficiencies,AOE between 79% and 87%).Among these facultative mixotrophic AOB,four isolates were genetically related to Firmicutes (Bacillus and Exiguobacterium),three isolates were affiliated to Actinobacteria (Arthrobacter) and three other isolates were associated with Proteobacteria (Pseudomonas,Ochrobactrum and Bordetella). | Soulwène Kouki Neila Saidi Fadhel M'hiri Houda Nasr Hanène Cherif Hadda Ouzari Abdennaceur Hassen | 2011 | Journal of Environmental Sciences2011，23，10： | 9 |
| 3 | Radiolarian and Planktic Foraminifera Biostratigraphy of the Early Albian Organic Rich Beds of Fahdene Formation,Northern Tunisia显示文摘The lower part of Fahdene Formation outcropping in northeastern Tunisia is represented by pelagic sequences and characterized by an important siliciclastic fraction that includes radiolarian and organic-rich beds of Allam Member.?Litho-biostratigraphic analysis based on planktic foraminifera and radiolaria shows that deposition of organic-rich beds of Allam Member is confined to the Microhedbergella rischi Zone through the lower part of Ticinella primula Zone.?Age diagnostic radiolaria recovered from these beds has been identified to constrain a direct age of black shale deposition.The assemblages can be correlated with the radiolarian biochronozone U.A.10–11 indicating an Early Albian to early Middle Albian in age.Radiolarian assemblages composed of species characteristic of U.A.10 biochronozone(A.montisserei,D.gracilis)are associated with radiolarian taxa belonging to Costata Zone(U.A.9 Pseudoeucyrtis hanni and Thanarla pseudodecora),which can be correlated with Dercourt Member in the Ionian Zone and Paquier level of the Vocontian Basin(southeast of France).Biostratigraphic and abundance curves analysis has demonstrated significant diversification of cryptocephalic Nassellaria and Archaeodictyomitrae,probably adapted to eutrophic conditions that characterized the Aptian-Albian transition.Ecological conditions may have governed the stratigraphic range of many cosmopolitan taxa(i.e.,Pseudodictyomitrae lodogaensis)compared with stratigraphic distributions schemes reported from other domains.The timing of black shales deposition was diachronic due to local geodynamic conditions and upwelling currents distribution.The Allam black shales are correlative with the oceanic anoxic event OAE1b which is characterized by the widespread of supraregionnally organic-rich beds in the Mediterranean Tethys basins across the Aptian-Albian transition. | M Ben Fadhel T Zouaghi A Amri M Ben Youssef | 2014 | Journal of Earth Science2014，25，1： | 2 |
| 4 | Systematic and rigorous extraction method of HBT small-signal model parame- ters显示文摘 | Louay Degachi Fadhel M G | 2006 | IEEE Transactions on Microwave Theory and Techniques2006，54，2： | 1 |
| 5 | Review on advanced of solar assisted chemical heat pump dryer for agriculture produce显示文摘 | FADHEL M I SOPIAN K | 2011 | Renewable & Sustainable Energy Reviews2011，15，2： | 1 |
| 6 | Efficient pruning technique of memory polynomial models suitable for PA behavioral modeling and digital predistortion显示文摘 | Chen Wenhua Liu You-Jiang Ghannouchi Fadhel M Feng Zhenghe Liu Yuanan | 2014 | IEEE Transactions on Microwave Theory and Techniques2014，62，10： | 1 |
| 7 | Performance analysis of solar- assisted chemical heat-pump dryer 显示文摘 | Fadhel M I Sopian K Daud W R W | 2010 | Solar Energy2010，84，： | 1 |
| 8 | Design optimization and DPD linearization of GaN-based unsymmetrical Doherty power amplifiers for 3G multicarrier applications显示文摘 | Sung-Chan J Oualid H Fadhel M G | 2009 | IEEE Transaction on Microwave Theory and Techniques2009，57，9： | 1 |
| 9 | Review on advanced of solar assisted chemical heat pump dryer for agriculture produce 显示文摘 | Fadhel M I Sopian K Daud W R W | 2011 | Renew Sust Energ Rev2011，15，： | 1 |
| 10 | Deembedding Static Nonlinearities and Accurately Identifying and Mod- eling Memory Effects in Wide - band RF Transmitters 显示文摘 | Taijun Liu Slim Boumaiza Fadhel M Ghannouchi | 2005 | IEEE Transactions on Microwave Theory and Techniques2005，，5： | 1 |
| 11 | Ghannouchi, A New DC Model of HBT's Including Self-Heating Effect Suitable for Circuit Simulators显示文摘 | John Dupuis Rached Hajji Fadhel M | 1995 | IEEE Transactions on Electron Devices1995，42，12： | 1 |
| 12 | New closed-Form cxpressions for the prediction of multitone intermodulation distortion in fifthorder nonlinear RF circuits/systems显示文摘 | Boulejfen Noureddine Harguem Afef Ghannouchi Fadhel M | 2004 | IEEE Transactions on Microwave Theory and Techniques2004，52，1： | 1 |
| 13 | An Augmented Small-SignalHBT Model With Its Analytical Based Parameter Extraction Tech-nique 显示文摘 | Louay Degachi Fadhel M Ghannouchi | 2008 | IEEE Transactions on Electron Devices2008，55，4： | 1 |
| 14 | A dual branch hammerstein-wiener architecture for be- havior modeling of wideband RF transmitters显示文摘 | Fadhel M Ghannouchi Farzaneh Taringou Oualid Ham- mi | 2010 | Micro- wave Symposium Digest (MTT)2010，，： | 1 |
| 15 | A Linearized Doherty Amplifier Using Complex Base band Digital Predistortion Driven by CDMA Signals显示文摘 | Oualid Hammi Sami Bousnina Fadhel M Ghannouchi | 2004 | IEEE2004，，： | 1 |
| 16 | Opti- mized spectrum constrained crest factor reduction technique using polynomials显示文摘 | Mehdi V A Mohamed H N B Fadhel M G | 2015 | IEEE Transactions on Communications2015，63，7： | 1 |
| 17 | Systematic and rigorous extraction method of HBT small-signal model parameters显示文摘 | Louay Degachi Fadhel M Ghannouchi | 2006 | IEEE Microwave Theory and Techniques2006，54，2： | 1 |
| 18 | Combining homogeneous catalysis with heterogeneous separation using tunable solventsystems显示文摘 | Blasucci V M Husain Z A Fadhel A Z | 2010 | J Phys Chem A2010，114，11： | 1 |
| 19 | Daud, Performance analysis of solar-as- sisted chemical heat-pump dryer, Solar Energy 显示文摘 | M I Fadhel K Sopian W R W | 2010 | (84) : 1920-19282010，，84： | 1 |
| 20 | Three-Layered Biased Memory Polynomial for Dynamic Modeling and Predistortion of Transmitters With Memory 显示文摘 | Meenakshi Rawat Fadhel M Ghannouchi Karun Rawat | 2013 | IEEE Trans on Circuits and System-I Regular Papers2013，60，3： | 1 |
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