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Survey on Parasites in Sparrows of Amol （Mazandaran Province, Iran）

Journal of Life Sciences 2012年第7期6卷 783-785页

作者： sina faghihzadeh gorji Bahareh Shemshadi Hamid Habibi Sattar Jalali Masoud Davary Mohammadreza Sepehri Member of Young Researchers Company Islamic Azad University Garmsar Branch Iran Faculty of Veterinary Medicine Islamie Azad University Garmsar Branch *** Iran

In order to survey on sparrows parasites （Passer domesticus）, 100 samples were collected from the citrus gardens of Amol＇s City. The surface of their body checked for presence of ectoparasites. The blood samples took from their wings for blood parasites. At the laboratory, the body of sparrows opened and the gastrointestinal checked for endoparasites. The intestine opened and scratched carefully to find worms. Worms kept in alcohol-glycerin （10%）. Eggs ＆ oocysts of the parasites checked, by fecal floatation test. The result shows that the infection with Railletina is 1%, Ascaridia galli （2%）, Heterakis gallinarum （4%）, eggs of A. galli （5%）, oocyst of Eimeri （28%）, Dermanyssus gallinae （1%）. 11% of the sparrows infected with Plasmodium in their bloods.

关键词： Parasites infection sparrow Iran.

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Fabrication and mechanical properties of MWCNTs-reinforced aluminum composites by hot extrusion

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Rare Metals 2012年第4期31卷 372-378页

作者： Mortazavi Majid Majzoobi G.H. Golikand A.Noozad Reihani A. Mortazavi S.Z. gorji M.S. Department of Mechanical Engineering Faculty of EngineeringBu-Ali Sina UniversityHamedanIran Department of Materials Engineering Monash UniversityClaytonVictoria 3800Australia Material Research School Tehran P.O.Box 31485-498Iran School of Materials Engineering Najafabad BranchIslamic Azad UniversityIsfahanIran School of Materials and Mineral Resources Engineering Universiti Sains MalaysiaPenangMalaysia

Over the past decade,the interest in aluminum composites reinforced with carbon nanotubes has grown *** have been carried out to overcome problems with uniform dispersion,interfacial bonding,void formation and carbide formation of the *** the present work,multi-wall carbon nanotubes(MWCNTs) aluminum composites were ***-energy ball milling with the aim at developing well-dispersed MWCNTs Al composites was followed by cold compaction,sintering,and hot extrusion at 500 ℃.Different amounts of stearic acid as processing control agent(PCA) is used in order to minimize cold welding of the Al particles,and to produce finer *** scanning calorimetry(DSC),scanning electron microscopy(SEM),transmission electron microscopy(TEM),and X-ray diffraction(XRD) were employed to analyze the MWCNTs,the aluminum powder,and the composites’ microstructural *** hardness and tensile properties of the composites are also *** results showed 500% increase in yield stress after the addition of 1 wt% MWCNTs in Al-MWCNTs based *** ball-milling time of 4 h is found to be sufficient as excessive milling time destroys a vast number of MWCNTs.

关键词： aluminum matrix composite multi-wall carbon nanotubes(MWCNTs) ball milling mechanical properties

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