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Search Results: 1 - 10 of 220445 matches for " Ali N. Mohammed "
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Assessment of Indoor Radon Concentrations in Dwellings for Baghdad Governorate by Using RAD-7 Detector  [PDF]
Mahmood S. Karim, Hasan H. Daroysh, Ali N. Mohammed
Detection (Detection) , 2016, DOI: 10.4236/detection.2016.42006
Abstract: In the present work, radon gas concentrations in different dwellings in Baghdad governorate are measured by using RAD-7 detector. The results have shown that, the radon gas concentrations ranged between (40.67 ± 3.1 Bq/m3) to (190.00 ± 2.7 Bq/m3) with an average value (113.66 ± 30.2 Bq/m3); in the first one we draw the map radiations for indoor radon gas concentrations in Baghdad governorate. We would like to mention that the present study is considered to be very important and vital because it is concerned with people health and safety in the first place.
Frequency and Determinants of Peripheral Neuropathy in Diabetic Children in Sohag, Egypt  [PDF]
Montaser M. Mohamed, Rasha A. Ali, Mohammed N. Hamdoon
Journal of Behavioral and Brain Science (JBBS) , 2019, DOI: 10.4236/jbbs.2019.94016
Abstract: Background: Diabetic peripheral neuropathy (DPN) is a common complication among children with TIDM and is related to poor glycemic control. The aim of the study is to determine prevalence and determinants of diabetic neuropathy in diabetic children. Material& Methods: This is a cross sectional study conducted on 50 children having Type I diabetes mellitus for more than year presented to Pediatric Neurology and Endocrinology Outpatient Clinics, Sohag University Hospital, Sohag, Egypt, during one year duration (2017). Children were subjected to detailed neurological examination and electrophysiologic studies in addition to recording of socio demographic and laboratory findings with special regard to level of HbA1c. Results: The mean age of the studied children was 10.5 ± 0.3 years ranging from 5 to 18 years. 22 cases (44%) were younger than 10 years, 27 children (54%) were females. DPN was diagnosed in 12% of the studied children. No significant relation was found as regard age, gender, family history, consanguinity and duration of the diseases. Significant association was found between the HbA1c level and development of DPN in the studied children. Conclusion: Based on the results of this study, 12% of the studied diabetic children had DPN of whom more than 16% had subclinical neuropathy indicating the need for annual screening of neuropathy using Nerve Conduction Study. Moreover strict glycaemic control is needed to prevent rapid development of diabetic among these children.
The Barriers and Enablers of the Educational Cloud: A Doctoral Student Perspective  [PDF]
Mohammed Ali
Open Journal of Business and Management (OJBM) , 2019, DOI: 10.4236/ojbm.2019.71001
Background, Motivation and Objective: Cloud computing (CC) within UK HEIs is an emerging research phenomenon. When adopting new innovations, it is important to assess whether it will add value to the organisation. Contri-bution/Method: This exploratory empirical research is derived from the technology, organisation and environment model (TOE), which targeted higher education institutions (HEIs). A qualitative study, which explored the potential barriers and enablers of CC adoption by HEIs from a doctoral stu-dent perspective, was conducted, where 32 students at a University that had recently adopted the educational cloud situated in North-west England, were interviewed. Results/Discussion/Conclusion: The results showed that the most significant enablers of the educational cloud were cost efficiency, scal-ability, flexibility and mobility, and especially collaboration among students. Whereas the most significant barriers of the educational cloud were security and cultural resistance. In conclusion, the adoption rate of CC is increasing gradually in UK HEIs, which is mostly down to the cost efficient and col-laborative nature of the educational cloud, but there is still the issue of pri-vacy and trust in the educational cloud which impedes adoption.
Similarity Solutions of Unsteady Convective Boundary Layer Flow along Isothermal Vertical Plate with Porous Medium  [PDF]
Md. Yeakub Ali, Mohammed Nasir Uddin, Md. Jasim Uddin, N. M. Ridwan Zahed
Open Journal of Fluid Dynamics (OJFD) , 2015, DOI: 10.4236/ojfd.2015.54038
Abstract: Similarity solution of unsteady convective boundary layer flow along isothermal vertical plate with porous medium is analyzed. The plate surface is reactive with the fluid and generates inert specie which diffuses inside the boundary. The flux of the specie at the plate is proportional to specie concentration at the plate. The governing equations of continuity, momentum, energy and specie diffusion are transformed into ordinary differential equation by using the similarity transformation and solved numerically by using free parameter method along with shooting technique. The dimensionless velocity, temperature and concentration profiles are obtained and presented through figures for different parameters entering into the problem. The local Skin-friction co-efficient, Nusselt number and Sherwood number at the plate for physical interest are also discussed through tables.
Similarity Solutions of Unsteady Mixed Convective Boundary Layer Flow of Viscous Incompressible Fluid along Isothermal Horizontal Plate  [PDF]
Mohammed Nasir Uddin, Md. Yeakub Ali, N. M. Ridwan Zahed, Md. Jashim Uddin
Open Journal of Fluid Dynamics (OJFD) , 2016, DOI: 10.4236/ojfd.2016.64022
Abstract: Unsteady mixed convective boundary layer flow of viscous incompressible fluid along isothermal horizontal plate is analyzed through Similarity Solutions. The governing partial differential equations are transformed into ordinary differential equations using the similarity transformation and solved numerically along with shooting technique. The flow field for the fluid velocity, temperature and concentration at the plate surface are significantly influenced by the governing parameters such as unsteadiness parameter, permeability parameter, Prandtl number, Schmidt number and the other driving parameters. The results show that both fluid velocity and temperature decrease but no significant effect on concentration for the increasing values of Prandtl number. It is also exposed that velocity and concentration is higher at lower Schmidt number for low Prandtl fluid. Finally, the dependency of the Skin-friction co-efficient, Nusselt number and Sherwood number, which are of physical interest, are also illustrated in tabular form for the governing parameters.
Schultz and Modified Schultz Polynomials of Some Cog-Special Graphs  [PDF]
Ahmed M. Ali, Haitham N. Mohammed
Open Access Library Journal (OALib Journal) , 2019, DOI: 10.4236/oalib.1105625
For a connected graph G, the Schultz and modified Schultz polynomials are defined as, respectively, where the summations are taken over all unordered pairs of distinct vertices in V(G), is the degree of vertex u, is the distance between u and v and V(G) is the vertex set of G. In this paper, we find Schultz and modified Schultz polynomials of the Cog-special graphs such as a complete graph, a star graph, a wheel graph, a path graph and a cycle graph. The Schultz index, modified Schultz index and average distance of Schultz and modified Schultz of each such Cog-special graphs are also obtained in this paper.
Mystique in Arabic Poetics: An Inquiry into Cultural Dominant  [PDF]
Yassir Mohammed Nasr Ali
Advances in Literary Study (ALS) , 2015, DOI: 10.4236/als.2015.31002
This paper argues that the paucity of innovative work in Arabic critical tradition is a ramification of an aesthetic of conformity to the dominant patterns in Arabia. The preoccupation with specific aspects in poetics does not contribute to the framing of intellectual debates past and present, but discloses an exclusionary discourse with a narrow scheme of knowledge. Such a limitation in epistemology is symptomatic of a wider one at the level of formative ideals. The present article attempts to unfold the crisis in this epistemology by problematizing the mainstream poetics of culture and seeking new possibilities of reflection beyond the edges of definition.
Partial Quality Assessment of 60Co-Teletherapy Machine Performance  [PDF]
Mohammed A. Ali Omer
Open Journal of Radiology (OJRad) , 2015, DOI: 10.4236/ojrad.2015.54032
Abstract: The aim of this study was to assess the performance of 60Co-teletherapy unit at Radiation and Isotopes Center in Khartoum, using the common tools used for quality control (Front pointer, Graphic paper, Pin, Non-screen film, meter and Check plate). The collected and analyzed data revealed that: there was a difference between the calculated theoretical field size (FS) and the measured one relative to the change of SSD; and the average FS shift was 0.9 cm relative to the standard one, while the machine isocenter was almost fixed at 0° with a shift of 0.003 cm, which was within the standard limit (0.2 cm). The diaphragm isocenter showed a shift of ±0.36 cm (i.e. in clock and anti clock wise) in average relative to standard limit (±0.3 cm) and the couch vertical isocenter (CVI) relative to the SSD changes was exceeded the standard limit (0.2 cm) by a factor of 0.9 cm. Also the SSD determined by the optical distance indicator was greater than the actual SSD (determined by Front pointer and measured by scale meter) by an average of 0.8 cm; which exceeded the limit (0.3 cm) by an average factor of 0.5 cm. The study also showed that the penumbra profile (1.5 cm) was less than the actual specified for 60Co-teletherapy machine, while the radiation beam was so homogeneous across the field size.
In Vitro Chromosomal Aberration Frequency by Electrofishing on Poecilia latipinna (Sailfin Molly) Fishes in Southern of Iraq  [PDF]
Mohammed A. Abd Ali, Mohammed H. Mohammed, Marwa K. Sadeq
American Journal of Molecular Biology (AJMB) , 2018, DOI: 10.4236/ajmb.2018.82010
Abstract: The present studies describe Chromosomal aberration effects of electrofishing, which were evaluated on Poecilia latipinna, located in Shat Al-Arab river in Al-garmma city (south of Iraq). The electrofishing derive used in work is simulated to that used in the commercial fishing. The apparatus generates voltage ranged from 40 to 280 volts. Nine bearers of Poecilia latipinna sailfin molly fish in chromosomal analysis were divided into three treatments. The first were a control, the fishes of the second were exposed to 110 volts (10 seconds), and final groups were exposed to 110 volts (15 seconds). Mitotic index of the electrofishing with a control for each group decreased with increasing exposed time in somatic cell kidney tissue of Poecilia latipinna. The chromosome
Mohammed ALI
The Turkish Online Journal of Distance Education , 2012,
Abstract: This paper examines the conceptual foundations of self-concept, self-esteem and the self as they relate to disabled students in the context of physical education. Disable school children experience severe discriminations in society and within the school system, especially if the school is the mainstream type. With increasing emphasis on inclusiveness in school to different groups of excluded children, the need to thoroughly examine the psychological frame of mind of these children is now more important than ever before. Consequently, this paper sought to uncover the fundamental tenets of self-concept of disabled learners and highlight the key characteristics of disabled children. The paper concludes by with an analysis of the major impacts that disabled learners self-concept has on participation in physical education activities.
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