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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 | Performance characteris-tics of lithium vanadium phosphate as a cathode materials for lithium-ion batteries显示文摘 | Saidi M Y Baker J Huang H | 2003 | J Power Sources2003，，： | 1 |
| 4 | Experimental and computational study of the structure and electrochemical properties of LiVl2 (PO4)3 compounds with the monoclinic and rhom bohedral structure显示文摘 | Morgan D Ceder G Saidi M Y | 2002 | Chem Mater2002，14，： | 1 |
| 5 | Psychosocial corre- lates of physical activity in adolescents with haemophilia 显示文摘 | Buxbaum NP Ponce M Saidi P | 2010 | Haemophilia2010，16，4： | 1 |
| 6 | Paration and Properties of Electroless Ni-Zn-P Alloy Films显示文摘 | OULLADJ M SAIDI D CHASSAING E | 1999 | J Mater Sci1999，34，： | 1 |
| 7 | Combined electroosmotically and pressure driven flow of power-law fluids in a slit microchannel显示文摘 | Babaie A Sadeghi A Saidi M H | 2011 | Journal of Non-Newtonian Fluid Mechanics2011，166，1415： | 1 |
| 8 | Lithium iron (II) phosphor-olivines prepared by a novel earbothermal reduction method 显示文摘 | Barker J Saidi M Y Swoyer J L | 2003 | Electrochem Solid-State Left2003，6，： | 1 |
| 9 | 显示文摘 | Baker J koksbang R Saidi M Y | 2005 | Solid State lorries2005，89，12： | 1 |
| 10 | Electrochemical properties of lithium vanadium phosphate as a cathode material for lithium-ion batteries显示文摘 | Saidi M Y Barker J Huang H | 2002 | Electrochemical and Solid-State Letters2002，5，7： | 1 |
| 11 | Visual technique for detection of gas-liquid two-phase flow regime in the airlift pump 显示文摘 | Hanafizadeh P Ghanbarzadeh S Saidi M H | 2011 | Journal of Petroleum Science and Engineering2011，75，34： | 1 |
| 12 | Electroosmotic flow of power-law fluids with temperature dependent properties显示文摘 | Babaie A Saidi M H Sadeghi A | 2012 | Journal of Non-Newtonian Fluid Mechanics2012，18，： | 1 |
| 13 | Modeling of flow field and separation efficiency of a deoiling hydrocyclone using large eddy simulation显示文摘 | Saidi M Maddahian R Farhanieh B | 2012 | International Journal of Mineral Processing2012，112，： | 1 |
| 14 | LiClO4 accelerated Michael addition of amines to a, b-unsaturated olefins under solvent-free conditions显示文摘 | Azizi N Saidi M R | 2004 | Tetrahedron2004，60，： | 1 |
| 15 | Highly efficient one-pot three-component Mannich reaction in water catalyzed by heteropoly acids显示文摘 | Azizi N Torkiyan L Saidi M R | 2006 | Org Lett2006，8，10： | 1 |
| 16 | Investigation of electron irradiation induced-changes in poly(vinylidene fluoride)films显示文摘 | NASEF M M SAIDI H DAHLAN K Z M | 2002 | Polymer Degradation and Stability2002，75，： | 1 |
| 17 | Electrochemical insertion properties of bate-LiVOPO4 prepared by carbothermal reduction显示文摘 | BARKER J SAIDI M Y SWOYER J L | 2004 | J Electrochem Soc2004，151，6： | 1 |
| 18 | Lithium iron( II ) phosphoolivines prepared by a novel carbonthermal reduction methods 显示文摘 | BAKER J SAIDI M Y SWOYER J L | 2003 | Electrochem Solid State Lett2003，6，3： | 1 |
| 19 | Lithium iron( Ⅱ ) phospho- olivines prepared by a novel carbothermal reduction method 显示文摘 | BARKER J SAIDI M Y SWOYER J L | 2003 | Electrochem Solid-State Lett2003，6，3： | 1 |
| 20 | Lithium iron(Ⅱ) phospho-olivines prepared by a novel carbo-thermal reduction method显示文摘 | Barker J Saidi M Y Swoyer J L | | 0，，03： | 1 |
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