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Research ArticleOpen accessIn the abstractEstimating the Parameters of the Negative-Lindley Distribution using Broyden-Fletcher-Goldfarb-ShannoNaushad Mamode KhanProblem statement: The Maximum Likelihood Estimation (MLE) technique is the most efficient statistical approach to estimate parameters in a cross-sectional model. Often, MLE gives rise to a set of non-linear systems of equations that need to be solved iteratively using the Newton-Raphson technique. However, in some situations such as in the Negative-Lindley distribution where it involves more than one unknown … …Journal of Mathematics and Statistics, Vol. 7, Issue 1 · 29 Jan 2011 · 7,378 accessesView PDFCite
Research ArticleOpen accessIn the abstractFreezing and Thawing Durability of Very High Strength ConcreteSameer Hamoush, Miguel Picornell-Darder, Taher Abu-Lebdeh, Ahmed MohamedProblem statement: The newly developed Very High Strength Concrete (VHSC), having compressive strengths of 29 ksi and flexural strengths of 6 ksi, represents a breakthrough in concrete technology. Study to further enhance the properties of this new concrete is continuing. Approach: The objective of this study is to investigate the effect of exposing Very High Strength Concrete (VHSC) specimens to … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 1 · 28 Jan 2011 · 8,817 accessesView PDFCite
Research ArticleOpen accessIn the abstractOccupational Stress and Family Difficulties of Working WomenMaryam Zarra-Nezhad, Ali Moazami-Goodarzi, Leila Hasannejad, Khadijeh RoushaniProblem statement: Work and family are the two most important aspects in women’s lives. Balancing work and family roles has become a key personal and family issue for many societies. There are many facets in working mother’s lives that subject to stresses. They deal with home and family issues as well as job stress on a daily basis. Imbalance between … …Current Research in Psychology, Vol. 1, Issue 2 · 31 Dec 2010 · 16,107 accessesView PDFCite
Research ArticleOpen accessIn the abstractCerebrospinal Fluid (CSF) Ferritin for Differentiation of Aseptic and Bacterial Meningitis in AdultsZhinous Bayat Makoo, Nagmeh Ahadi, Akbar Hasani et al.Problem statement: Bacterial meningitis is one of the most important causes of mortality and morbidity. Rapid diagnosis of bacterial cause is very important and critical, because early antibiotic therapy prevents complications; different tests have been developed for rapid diagnosis of bacterial meningitis. One of them is CSF ferritin, which is evaluated in this study. Approach: During cross sectional study from … …American Journal of Infectious Diseases, Vol. 6, Issue 4 · 31 Dec 2010 · 8,046 accessesView PDFCite
Research ArticleOpen accessIn the abstractPrevalence of Obesity, Overweight and Underweight among Elementary School Children in Southern Iran, 2009Elham Ahmadi, Ali Rikhtegaran Tehrani, Akbar AhmadiProblem statement: In recent years obesity has become epidemic in children and adolescents and was one of the main problems in developed and developing countries. Considering the importance of obesity complications for the health state of society and its increasing rate, careful evaluation, monitoring and follow up of obesity in children and adolescents was of a great importance. The aim … …American Journal of Applied Sciences, Vol. 7, Issue 11 · 8 Nov 2010 · 7,769 accessesView PDFCite
Research ArticleOpen accessIn the abstractStress-Strain Analysis of Abdominal Aortic Wall: A Case of 3D Geometry SimulationP. Khamdaengyodtai, P. Sakulchangsatjatai, P. TerdtoonProblem statement: This study analyzed stress-strain of abdominal aortic wall in 3D geometry simulation. Abdominal aorta is a portion of the aorta vessel in the abdomen which many cardiovascular diseases often occur. Approach: Abdominal aortic wall was considered as 1 layers-3 dimensional cylindrical geometry and homogeneous, incompressible and anisotropic material. Deformation of aortic wall was elastic deformation. Numerical method was … …Energy Research Journal, Vol. 1, Issue 2 · 31 Oct 2010 · 7,406 accessesView PDFCite
Research ArticleOpen accessIn the abstractKnowledge and Attitude of Persons Living with HIV+/AIDS (PLWAs) Towards HIV/AIDS in IranJamshidi Makiani Mahin, Davoodian Parivash, Abdoul Hossain Madani et al.Problem statement: As number of Persons Living with HIV/AIDS (PLWAs) increases, caring for them is a new rising problem. The World Health Organization encourages caring these people at home. Patients themselves also prefer to stay at home than staying in hospital. Adequate knowledge and positive attitude are important factors in providing better care for a patient. Approach: This study was … …American Journal of Infectious Diseases, Vol. 6, Issue 3 · 30 Sep 2010 · 8,260 accessesView PDFCite
Research ArticleOpen accessIn the abstractWork-Related Musculoskeletal Disorders among Workers' Performing Manual Material Handling Work in an Automotive Manufacturing CompanyBaba Md. Deros, Dian Darina Indah Daruis, Ahmad Rasdan Ismail et al.Problem statement: The study investigated the prevalence of Musculoskeletal Disorders (MSD) among workers who perform the Manual Material Handling (MMH) task in an automotive manufacturing plant in Malaysia. A cross sectional study was carried out among the workers in an automotive manufacturing plant. Approach: Respondents were selected through random sampling. Then, a Body Parts Symptoms Survey (BPSS) data sheets were … …American Journal of Applied Sciences, Vol. 7, Issue 8 · 31 Aug 2010 · 9,404 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Relationship between Demographic Factors and Low Birth Weight InfantsYatnita Parama Cita, ResmiatiProblem statement: To identify demography factor relation that is study, education storey; level, mother age and also social economics status to occurrence of LBW in RSCM Jakarta. Approach: Type this studied is analytic survey with cross sectional design. Population in this studied is all noted mothers bear during year 2006 counted 2.755 with sample equal to 125 mothers. This studied … …International Journal of Research in Nursing, Vol. 1, Issue 1 · 30 Jun 2010 · 9,249 accessesView PDFCite
Research ArticleOpen accessIn the abstractPredictors of Home Health Care Service Use by Anglo American, Mexican American and South Korean EldersMyunghan Choi, Janice D. Crist, Marianne McCarthy, Seon Hae WooProblem statement: This study was designed to identify predictors of the use of home health care services by elders in different ethnic groups. Approach: A cross-sectional study was conducted with convenient sample of Anglo elders (N = 57), Mexican American elders (N = 56) and elders in South Korea (N = 83). Hierarchical multiple regression analysis was conducted. Results: The … …International Journal of Research in Nursing, Vol. 1, Issue 1 · 30 Jun 2010 · 9,494 accessesView PDFCite