Conceptual design of a waste heat recovery cycle is carried out in attempt to enhance the thermal efficiency of a steam power plant. In the recovery system, super-critical an CO2 is employed as the working fluid operating in a Brayton cycle. Low grade heat rejected by the flue gases through the stack is used as the primary heat source, while a secondary heat exchanger utilizes th...

This study aims to present a sustainable environmental model using the life cycle sustainability assessment (LCSA) method in Shazand Petrochemical Company. To determine the evaluation indices, two Delphi and DEMATEL-FTOPSIS questionnaires were distributed among 27 and 8 experts in the field of sustainable environmental management. The environmental, social, economic, environmental-economic, soc...

This study aims to present a sustainable environmental model using the life cycle sustainability assessment (LCSA) method in Shazand Petrochemical Company. To determine the evaluation indices, two Delphi and DEMATEL-FTOPSIS questionnaires were distributed among 27 and 8 experts in the field of sustainable environmental management. The environmental, social, economic, environmental-economic, soc...

Trifolium species and cultivars are considered important forage crops iran , growing throughout the country. The present article considered the karyotypic details of Trvulim taxa using multivariate statistical analysis. Taxa studied included: Trifolim restylinatum (six populations: Shazand, Soriyan, Kordestan, Harati, Enaj and Lordegan), T. repense, T, fragverm, T. prateme and T, alexandrin...

The concept of organizational commitment has become a hot topic in the literature of industrial psychology and organizational behavior in the past decade. The main purpose of this study was to investigate the relationships of employee characteristic (age, marital status, job tenure, educational level and job level), Perceived organizational support, psychological capital and job satisfaction to...

trifolium species and cultivars are considered important forage crops iran , growing throughout the country. the present article considered the karyotypic details of trvulim taxa using multivariate statistical analysis. taxa studied included: trifolim restylinatum (six populations: shazand, soriyan, kordestan, harati, enaj and lordegan), t. repense, t, fragverm, t. prateme and t, alexandrinm. s...