The new class of weighted exponential (WE) distributions obtained by Gupta and Kundu (9002) applying Azzalini rsquo;s method to the exponential distribution. .Kharazmi, at, al (9012) extended weighted exponential distribution to the generalized weighted exponential(GWE) distribution and studied its different properties. In this study we generalize the weibull distribution to a new class of generalized weighted weibull (GWW) distribution. Several statistical and reliability properties of this ...
In this work, modeling normal boiling points (NBPs) of a group of aliphatic esters using a combination of the modified Xu (mXu) and the atom-type-based AI topological indices was studied. At first, simple linear regression model was developed using mXu index alone and the statistics of squared correlation coefficient, Fisher ratio and standard error were 19..0, 0.88891 and 79.5, respectively. Significant decrease in the standard error of the model (about .12) was observed upon introduction of ...
Flask is a powerful web framework that helps you build great projects using your favorite tools. Flask takes the flexible Python programming language and provides a simple template for web development. Once imported into Python, Flask can be used to save time building web applications. It goes against the flow with the microframework concept, leaving most of the architecture choices to the developer. Through its great API, extensions, and powerful patterns, Flask helps you create simple ...
Achievement to conditions with more economic efficiency has been of the main objectives of construction projects, so that reinforcement of bed soil in these projects can be effective in obtaining of those objective. In order to realize those objectives, wide studies have been conducted which resulted in very various methods of improvement (physical, mechanical, and chemical). In this way, due to efficacy and special capabilities of mechanical methods, using of Polypropylene fibers have drawn ...
Helicopter flight dynamics _ the theory and application of flying qualities and simulation modelling ...
Nanotechnology is the twenty-first-century discipline concerned with studying and engineering manufactured materials with one dimension less than 100 nm that possess unique properties because of their size. Nanotechnologies cover many aspects, such as disease treatment, food security, new materials for pathogen detection, packaging materials and delivery systems. However, the current applications of nanotechnology in the food sector are few, as the science is relatively newly emergent, but they ...
کتاب Differential Quadrature and Its Application in Engineering تالیف chang shu شامل 354 صفحه فایل pdf با کیفیت عالی و قابل جستجو ...
This paper presents the application of a novel vibration-based technique for detecting fatiguecracks in structures. The method utilizes the empirical mode decomposition method (EMD) toestablish an effective energy-based damage index. To investigate the feasibility of the method,fatigue cracks of different sizes were introduced in an aluminum beam subjected to a cyclic loadunder a three-point bending configuration. The vibration signals corresponding to the healthyand the damaged states of the ...
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