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59 results for “R. Ahmadi”
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Research ArticleOpen accessIn the author namesPhysiological Response of Soybean (Glycine max) to Foliar Application of Methanol Under Different Soil MoisturesFarzad Paknejad, Mojtaba Mirakhori, Majid Jami Al-Ahmadi et al.Problem statement: Many cultivated area are situated in arid zone, where crop photosynthesis and productivity has limited by drought. Thus any treatment, such as methanol, that improve plant water relation and reduce stress impacts, could be benefit. Approach: In order to investigate effects of methanol application on some physiological properties of soybean under low water stress, a factorial experiment was … …American Journal of Agricultural and Biological Sciences, Vol. 4, Issue 4 · 31 Dec 2009 · 8,151 accessesView PDFCite
Research ArticleOpen accessIn the author namesAtopic Dermatitis and Type 1 Diabetes Mellitus in Iranian ChildrenElham Ahmadi, Zahra Rahnama, Ali Rikhtegaran TehraniProblem statement: Atopic diseases, including asthma, eczema and allergic rhinitis, are characterized by a chronic inflammatory reaction mediated by T helper 2 cells, while type 1 diabetes mellitus is mediated by T helper 1 cells. Approach: The aim of this study was to compare the prevalence of atopic dermatitis between children with type 1 diabetes mellitus and age-matched controls. We … …American Journal of Immunology, Vol. 5, Issue 3 · 30 Sep 2009 · 8,011 accessesView PDFCite
Research ArticleOpen accessIn the author namesScreening Three Strains of Pseudomonas aeruginosa: Prediction of Biosurfactant-Producer StrainGholamreza Dehghan-Noudeh, Mohammad Hasan Moshafi, Effat Behravan et al.Problem statement: The chemical surfactants have some disadvantages; especially, toxicity and no biodegradability. Approach: Biosurfactants were the structurally diverse group of surface-active molecules synthesize by micro-organisms. The microbial surfactants were interesting, because of the biodegradable and have many applications in industry, agriculture, medicine. Results: In the present study, the production of biosurfactant by three strains of Pseudomonas aeruginosa (PTCC 1074, … …American Journal of Applied Sciences, Vol. 6, Issue 8 · 31 Aug 2009 · 7,556 accessesView PDFCite
Research ArticleOpen accessIn the author namesHydraulic Characteristics and Pore Water Flow Rule in Constant Rate of Strain ConsolidationA. Ahmadi, A. H. Hoorfar, H. Rahimi, A. SoroushProblem statement: At present study Constant Rate of Strain (CRS) consolidation under Non-Darcy condition was investigated. Approach: In this study a governing conditions on pore water flow were investigated using proposed equation and experimental tests. CRS experiments under different rates of strain were conducted on different soil samples. Results: Results of these experiments and there comparison with proposed equation showed … …American Journal of Applied Sciences, Vol. 6, Issue 7 · 31 Jul 2009 · 7,210 accessesView PDFCite
Research ArticleOpen accessIn the author namesSerological Evaluation of Brucella abortus S99 Lipopolysaccharide Extracted by an Optimized MethodAli Sharifat Salmani, Seyed Davar Siadat, Mohammad Reza Fallahian et al.Problem statement: Brucellosis is a globally found infectious disease and there is no licensed vaccine against human brucellosis. The present study carried-out to evaluate the potency of our modified extracted lipopolysaccharide (LPS) of B. abortus to elicit specific anti-Brucella antibodies in animal model (Rabbit) as a part of a candidate vaccine for brucellosis. Lipopolysaccharide is one of the main virulence … …American Journal of Infectious Diseases, Vol. 5, Issue 1 · 31 Mar 2009 · 9,083 accessesView PDFCite
Research ArticleOpen accessIn the author namesPerception of Extension Specialists about the Role of Extension in the Production and Adoption of the Genetically Modified Crops in IranSeyed Jamal F. Hosseini, Seyed Mehdi Mirdamadi, Sahar Dehyouri, Serveh AhmadiExtension specialists were surveyed in order to explore their perception about the role of extension in the production and adoption of Genetically Modified (GM) crops in Iran. The methodology used in this study involved a combination of descriptive and quantitative research. The total population for this study was 120 extension specialists in Iran. Extension specialists believed that the first priority … …American Journal of Biochemistry and Biotechnology, Vol. 4, Issue 4 · 31 Dec 2008 · 7,117 accessesView PDFCite
Research ArticleOpen accessIn the author namesComparison between Brain Tissue Gray and White Matters in Tension Including Necking PhenomenonSina Mehdizadeh, Mehdi Khoshgoftar, Siamak Najarian et al.Characterizing the differences between the mechanical properties of brain tissue gray and white matters is of importance in biomechanics of brain tissue and may find a variety of different applications in medicine. In this study, a comparison has been made between mechanical behavior of bovine brain tissue white and gray matters. Through a linear elastic theory and using Bridgman method, … …American Journal of Applied Sciences, Vol. 5, Issue 12 · 31 Dec 2008 · 6,843 accessesView PDFCite
Research ArticleOpen accessIn the author namesDynamic Analysis of Structures Using Neural NetworksN. Ahmadi, R. Kamyab Moghadas, A. LavaeiIn the recent years, neural networks are considered as the best candidate for fast approximation with arbitrary accuracy in the time consuming problems. Dynamic analysis of structures against earthquake has the time consuming process. We employed two kinds of neural networks: Generalized Regression neural network (GR) and Back-Propagation Wavenet neural network (BPW), for approximating of dynamic time history response of … …American Journal of Applied Sciences, Vol. 5, Issue 9 · 30 Sep 2008 · 7,156 accessesView PDFCite
Research ArticleOpen accessIn the author namesStudy of Educational Adjustment and Educational Motivation in Military and Non-Military StudentsKhodabakhsh Ahmadi, Ali Fathi-AshtianiStudents abilities to transfer from the community colleges into baccalaureate granting colleges and universities have become a global issue. The rise in students' college attendance has brought about new challenges in the area of academic motivation depriving them from educational pursuit despite proper qualifications. This comparative-descriptive study has been designed in order to compare between military and non-military students in … …Journal of Social Sciences, Vol. 4, Issue 2 · 30 Jun 2008 · 7,983 accessesView PDFCite
Research ArticleOpen accessIn the author namesThe Influence of Religiosity on Marital SatisfactionKhodabakhsh Ahmadi, Esfandiar Azad-Marzabadi, Seyed Mahdi Nabipoor AshrafiThe following research sought to examine the relationship between a married individual's religiosity level and its impact upon his or her level of marital satisfaction. Findings in this connection can help strengthen families 660 heterosexually hetero-sexually couples from Tehran were studied multistage using cluster sampling. Information regarding religiosity and marital satisfaction was collected using the researcher's prepared questionnaire and ENRICH … …Journal of Social Sciences, Vol. 4, Issue 2 · 30 Jun 2008 · 9,102 accessesView PDFCite