نتایج جستجو برای: means procedure

تعداد نتایج: 939395  

Journal: :international journal of nano dimension 0
a. elsagh faculty of chemistry, department of chemistry, north tehran branch, islamic azad university, iran. m. tahernejad nuclear science and technology research institute, atomic energy organization of iran.

in recent years, using sol-gel procedure for the purpose of laboratory and industrial synthesis of nano-structures, and especially silica nano-particles, has been significantly increased. in this research, silica particles were synthesized by sol-gel procedure and their physical and chemical properties were studied by means of scanning electron microscopy (sem), transmission electron microscopy...

Journal: :نشریه دانشکده فنی 0
دکتر مجید صادق آذر

tables of maximum bending moment, shear force and support rections for simple bridges with span lengths ranging from 2m to 250m are presented.loadings are selected according to the specification given by the highways and transportation ministry of iran. the procedure of using the tables is shown by means of an example.

In this paper we have presented a new procedure for sonar image target tracking using PHD filter besides K-means algorithm in high density clutter environment. We have presented K-means as data clustering technique in this paper to estimate the location of targets. Sonar images target tracking is a very good sample of high clutter environment. As can be seen, PHD filter because of its special f...

Journal: :Computational Statistics & Data Analysis 2008
Weiwen Miao Paul Chiou

Introduction This procedure calculates the sample size necessary to achieve a specified distance from the difference in sample means to the confidence limit(s) at a stated confidence level for a confidence interval about the difference in means when the underlying data distribution is normal. Caution: This procedure assumes that the standard deviations of the future samples will be the same as ...

A. Elsagh, M. Tahernejad

In recent years, using Sol-gel procedure for the purpose of laboratory and industrial synthesis of Nano-structures, and especially silica Nano-particles, has been significantly increased. In this research, silica particles were synthesized by Sol-gel procedure and their physical and chemical properties were studied by means of scanning electron microscopy (SEM), transmission electron microscopy...

Journal: :پژوهش های تعلیم و تربیت اسلامی 0

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A. Elsagh, M. Tahernejad

In recent years, using Sol-gel procedure for the purpose of laboratory and industrial synthesis of Nano-structures, and especially silica Nano-particles, has been significantly increased. In this research, silica particles were synthesized by Sol-gel procedure and their physical and chemical properties were studied by means of scanning electron microscopy (SEM), transmission electron microscopy...

In recent years, use of Sol-gel procedure for laboratory and industrial synthesis of Nanostructures and especially silica Nano-particles has increased. In this research, silica particles were synthesized by Sol-gel procedure and their physical properties were studied by means of Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM) and Thermal Gravimetric Analysis (TGA). Ef...

In this paper, a Multivariate-Multistage Quality Control (MVMSQC) procedure is investigated. In this procedure discriminate analysis, linear regression and control chart theory are combined to control the means of correlated characteristics of a process, which involves several serial stages. Furthermore, the quality of the output at each stage depends on the output of the previous stage as well...

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