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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 | Prevalence of intestinal parasite infections among patients in local public hospitals of Hail,Northwestern Saudi Arabia显示文摘Objective:To evaluate the prevalence of intestinal parasites among patients in Hail,Northwestern Saudi Arabia.Methods:Stool samples were collected from 130 patients(69females and 61 males) in Hail General Hospital.Each sample was examined by direct wet mount microscopic examination using both normal saline and Lugol's iodine preparation and concentration techniques using salt and formol-ether solutions.Permanent stained smears were performed for intestinal coccidian using modified Ziehl-Neelsen technique.Results:The overall prevalence of intestinal parasitic infection was 45.38%(59 cases).Forty-four(33.84%)were found to be infected with one or more intestinal protozoa.5(3.84%) were infected with helminthes and 10(7.69%) had mixed infection with both helminthes and protozoa.The most common intestinal helminth detected was Ancyloxtoma duvdenale(n=5.3.84%),followed by Ascaris lumlmcnidex.Taenia sp.and Trichuris trichiura(n=2 for each species,1.5%).For intestinal protozoa,the coccidian Cryptosporidium parvum(n=25,19.23%) was the most common followed by Entamoeba histolytica/dispur(n=21,16.15%),Giurdia lamblia(n=15,11.54%),Entamoeba coli(n=5.3.85%) and Blastocysts hominis(n=3,2.30%).The prevalence of intestinal parasitic infections in females was significantly higher than in males(P<0.05).Conclusions:This is the first study highlighting that intestinal parasites are still an important public health problem in Northwestern Saudi Arabia Therefore,health education would be the best way to prevent from intestinal parasite infections which are mainly food borne diseases. | Omar Hassen Amer Ibraheem M Ashankyty Najoua Al Sadok Haouas | 2016 | Asian Pacific Journal of Tropical Medicine2016，9，1： | 2 |
| 4 | Sens Actuat B Chem 显示文摘 | Hassen W M Chaix C Abdelghani A | 2008 | 134(2): 755-7602008，134，2： | 1 |
| 5 | Genetic relationships between some Tunisian Citrus species based on their leaf volatile oil constituents 显示文摘 | HOSN1 K HASSEN I M'RABET Y | 2013 | Biochemical Systematics and Ecology2013，50，： | 1 |
| 6 | Spatial and temporal variability in nutrients and suspended material processing in the Fier d'Ars Bay (France)显示文摘 | Hassen M B | 2001 | Estuarine Coastal and Shelf Science2001，52，4： | 1 |
| 7 | Validation of agricultural non-point source(AGNPS) pollution model in Kori watershed, South Wollo显示文摘 | Hassen M Fekadu Y Gete Ze | 2004 | Ethiopia International Journal of Applied Earth Observation and Geoinformation2004，6，： | 1 |
| 8 | Validation of agricultural non-point source (AGNPS) pollution model in Kori watershed, South Wollo显示文摘 | Hassen M Fekadu Y Gete Z | 2004 | Ethiopia International Journal of Applied Earth Observation and Geoinformation2004，6，2： | 1 |
| 9 | Comparative study of four extraction methods for enterovirus recovery from waste-water and sewage sludge显示文摘 | Belguith K Hassen A Aouni M | 2006 | Bioresour Technol2006，97，3： | 1 |
| 10 | On the nonlinear resonances and dynamic pull-in of electrostatically actuated resonators显示文摘 | Fadi M A Mohammad I Y Hassen M O | | 0，，04： | 1 |
| 11 | The Interplay of beauty, goodness, andusability in interactive products 显示文摘 | Hassen M | 2004 | Human - computer interac-tion2004，19，： | 1 |
| 12 | Pepsin digestibility of proteins in sorghum and other major cereals 显示文摘 | Mertz E T Hassen M M Cairns -Whittern C | 1984 | Proceedings of the National Academy of Sciences of the United States of America1984，81，： | 1 |
| 13 | Use of lyric phage to control Salmonella typhi's viability after irradiation by pulsed UV light 显示文摘 | Said MB Otaki M Hassen A | 2012 | Ann Microbiol2012，62，1： | 1 |
| 14 | Anterior plating for lower cervical spine tuberculosis显示文摘 | Hassen M G | 2003 | Int Orthop2003，27，2： | 1 |
| 15 | Image sharpness assessment based on local phase coherence显示文摘 | HASSEN R WANG Z SALAMA M M | 2013 | IEEE Transactions on Image Processing2013，22，7： | 1 |
| 16 | PSO based opti- mized fuzzy controllers for decoupled highly interacted distil lation process显示文摘 | Hassen T D Ahmed M E G Mohamed E E S | 2012 | Ain Shams Engineering Journal2012，3，3： | 1 |
| 17 | Validation of agricultural non-point source ( AGNPS ) pollution model in Kori watershed, South Wollo 显示文摘 | Hassen M Fekadu Y Gete Ze | 2004 | Ethiopia International Journal of Applied Earth Observation and Geoinformation2004，6，： | 1 |
| 18 | Impacts of phosphorus and aluminum gettering with porous silicon damage for p-type Czochralski silicon used in solar cells technology显示文摘 | Jaballah A B Hassen M Rahmouni H C | 2006 | Thin solidfilms2006，，： | 1 |
| 19 | Image sharpness assessment based on local phase coherence显示文摘 | Hassen R Wang Z and Salama M | 2013 | IEEE Transactions on Image Processing2013，22，7： | 1 |
| 20 | Validation of agricultural nonpoint source ( AGNPS) pollution model in Koriwatershed,South Wollo,Ethiopia 显示文摘 | HASSEN M FEKADU Y GETE Z | 2004 | International Journal of Applied Earth Observation and Geoinformation2004，，6： | 1 |
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