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47 articles for “Mass Relation”
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Research ArticleOpen accessIn the abstractOptimized Biodiesel Production from jatropha curcas oilHaruna Musa, Daniel Eric, Alkhairu Hassan et al.In this study, a mathematical model for the trans-esterification reaction of jatropha curcas seed Oil (JCO) was developed using Response Surface Methodology(RSM) in terms of operational variables such as temperature (50 to 80°C), catalyst concentration (0.7 to 1% in relation to oil mass) and methanol/oil ratio (3:1-9:1), at fixed reaction time (90 min) and mixing intensity. Biodiesel was produced by … …Energy Research Journal, Vol. 12, Issue 1 · 12 Oct 2021 · 7,286 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Dynamics of the Otto EngineRelly Victoria Virgil Petrescu, Raffaella Aversa, Taher M. Abu-Lebdeh et al.The dynamic calculation of a certain mechanism and of the piston crankshaft mechanism, used as the main mechanism for Otto internal combustion engines, also implies the influence of external forces on the actual, dynamic kinematics of the mechanism. Take into account the strong and inertial engine forces. Sometimes weight forces can also be taken into account, but their influence is … …American Journal of Engineering and Applied Sciences, Vol. 11, Issue 1 · 20 Feb 2018 · 7,526 accessesView PDFCite
Research ArticleOpen accessIn the abstractSomething about the Mechanical Moment of InertiaFlorian Ion T. Petrescu, Antonio Apicella, Aversa Raffaella et al.In this study, the relations to determining mass moments of inertia (mechanical) for different mass and mechanical inertia corresponding to geometric shapes, objects and profiles are explored. The formulas for calculating the mass moments of inertia (mechanical) for various bodies (various geometrical forms), to certain major axis indicated (as the axis of calculation) are presented. The total mass M of … …American Journal of Applied Sciences, Vol. 13, Issue 11 · 4 Nov 2016 · 11,376 accessesView PDFCite
Research ArticleOpen accessIn the abstractESTIMATIONS OF TOTAL MASS AND ENERGY OF THE OBSERVABLE UNIVERSEDimitar ValevThe recent astronomical observations indicate that the expanding universe is homogeneous, isotropic and asymptotically flat. The Euclidean geometry of the universe enables to determine the total gravitational and kinetic energy of the universe by Newtonian gravity in a flat space. By means of dimensional analysis, we have found the mass of the observable universe close to the Hoyle-Carvalho formula M∼c3/(GH). … …Physics International, Vol. 5, Issue 1 · 21 Mar 2014 · 17,696 accessesView PDFCite
Research ArticleOpen accessIn the abstractYoung Adult Perception and Attitude Toward Conspicuous Consumption and PovertyToni Yvette Sims-MuhammadThis study explores the perception and attitude of young adults toward conspicuous consumption portrayed in mass media and their conception of poverty. Many young adults may not realize the cadre of consumerist ideologies portrayed throughout the culture and mass media such as buy more, buy newer and improved, buy wants over needs, buy comparatively, buy exclusively and buy to prove. … …Journal of Social Sciences, Vol. 8, Issue 4 · 20 Mar 2013 · 7,747 accessesView PDFCite
Research ArticleOpen accessIn the abstractTunnel Static Behavior Assessed by a Probabilistic Approach to the Back-AnalysisClaudio Oggeri, Pierpaolo OresteProblem statement: The steps of the validation procedure of the project of a tunnel are briefly illustrated in this study, starting from the geological and structural surveys on the excavation walls and the measurement of the physical and mechanical parameters during the excavation works. Unfortunately, however, the knowledge of the rock mass, which is fundamental to the project, is usually … …American Journal of Applied Sciences, Vol. 9, Issue 7 · 4 Jun 2012 · 7,030 accessesView PDFCite
Research ArticleOpen accessIn the abstractAssessment of Cardio-Metabolic Risk Factors among Young Adult FemalesSwati Dhruv, Uma Iyer, Kusum BhattProblem statement: Over the past two decades there has been a striking increase in the number of people with metabolic syndrome in developing countries. The current study was thus undertaken to map the prevalence of Metabolic Syndrome (MS) and to assess the cardio-metabolic risk factors among young adult females (n = 1303) aged 18-26y from four girls hostel of the … …American Journal of Infectious Diseases, Vol. 8, Issue 1 · 23 Feb 2012 · 7,874 accessesView PDFCite
Research ArticleOpen accessIn the abstractRelationship of Body Composition Parameters with Hip and Fore Arm Bone Mineral Density: An Indian PerspectiveK.B. Kishore Mohan, V. Sapthagirivasan, M. AnburajanProblem statement: The relationship between obesity and osteoporosis has been widely studied and epidemiological evidence shows that obesity is correlated with increased bone mass. Anthropometric factors such as body height and body weight which are related to body mass index should be considered. Approach: We measured whole body fat mass, fat free mass, muscle mass, Body water, percentage fat mass … …OnLine Journal of Biological Sciences, Vol. 11, Issue 2 · 5 Oct 2011 · 7,912 accessesView PDFCite
Research ArticleOpen accessIn the abstractSocio-Economic Statues and Physical Activity Levels of 3th Grade Students: A Case Study in Istanbul Beykoz ProvincePinar Salih, Kucuk Yetgin Meral, Kaya Fatih et al.Problem statement: The children and adolescent period is critical time to acquire positive lifestyle habits. The aim of this study is to investigate the physical activity level of children aged between 9-10 accordance with their BMI’s and socio-economic level of their school environments. This study also reviewed the articles about physical activity level of children, its relation to their socio-economic … …Journal of Social Sciences, Vol. 7, Issue 3 · 16 Jul 2011 · 8,672 accessesView PDFCite
Research ArticleOpen accessIn the abstractInteraction of Soil Static and Dynamic Stiffness and Buried Pipeline Under Harmonic VibrationAlireza Mirza Goltabar Roshan, Hossein Khalilpasha, Mohsen GhorbaniProblem statement: When earthquake is occur, many damages were occurred in pipelines that San Francisco (1906) and Manson (1908), Kobe (Japan) and ate are samples of this topic. So many researchers studied on the pipelines and dynamic forces. Approach: Determine static and dynamic performance parameters of the pipeline and the surrounding soil such as static stiffness, dynamic stiffness, damping and … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 2 · 30 Jun 2010 · 7,727 accessesView PDFCite