This thesis suggests a simple system to study, and accordingly design, bubble column reactors. The suggested system focuses on studying two important parameters of the gasliquid mass transfer operations.
The vast improvement of electronic commerce paved the way to the fear of terrorism since the traditional ways of personal identification like ID cards and passwords are no longer sufficient. Biometrics is the more secure option that uses parts of a body for authentication and thus is practically impossible to get lost, stolen or forgotten.Biometric identification is an emerging technology that can solve security problem in our worked society.
With the explosion of multimedia data (videos, audios, images, and Web pages), people have no time to look at this huge data, and human attention has become a precious resource. So, a way must be found to automatically analyze, classify, summarize, discover and characterize trends in it, and to automatically flag anomalies. Many researchers have felt the need for data mining methods to deal with this amount of data.The Multimedia Mining work includes various kinds of data like video, audio, image, etc.
