‏‎the main purpose of this research was to:1.develop a coking model for thermal cracking of naphtha.2.study coke inhibition methods using different coke inhibitors.developing a coking model in naphtha cracking reactors requires a suitable model of the thermal cracking reactor based on a reliable kinetic model.to obtain reliable results all these models shall be solved simultaneously.for this pu...

Self-assessment has developed as one of the techniques for the continuous improvement of organizations processes in recent years. Appropriate design and accurate implementation of self-assessment system in an organization allows the management to make decisions based on realities rather than relying on conjectures. Hence, an effective self-assessment model for large organizations was dealt with...

Background & Objectives : It is not possible to live without using fire. However, fire could destruct human properties in a short time. One of the most important types of fire is intentional fire. This type of fire has become a great problem for insurance companies, fire departments, industries, government and business in the recent years. This study aimed to provide a framework for risk assess...

Abstract Background: The Baldrige Criteria for Performance Excellence provide a systems perspective for understanding performance management. They reflect management practices against which an organization can measure itself. The Criteria have been accepted internationally as the model for performance excellence. Methods: This descriptive cross-sectional study was performed at Hasheminejad ...