The emerging molecular structure of the nitrogen cycle: an introduction to the proceedings of the 10th annual N-cycle meeting.

The 10th Annual Meeting, Iranian Society of Dermatology, Tehran, 16-18 June 2010

Cost and performance analysis of an integrated solar combined cycle with two tanks for indirect thermal energy storage

In this paper, the annual and economic performance of an integrated solar combined cycle (ISCC) with indirect energy storage tanks is investigated. The study includes four scenarios, in which the combined cycle performance was studied exclusively in the first scenario. In the second scenario, the integrated solar combined cycle (ISCC) was examined, and the use of supplementary firing instead of...

Design and optimization of an energy hub based on combined cycle power plant to improve economic and exergy objectives

This paper uses the energy hub concept to meet the water, heat and electricity demand of a power plant in the Qeshm island in south of Iran. Given the power plant’s high potential for waste heat recovery and some scenarios were considered using the hub energy concept based on energy, exergy, environmental and economic analyzes in terms of meeting the demands of the hub and purchasing/selling en...

To Determine the Mediating Role of Organizational Structure with Transformational Leadership and Organizational Life Cycle in Medical Staff of Imam Khomeini Hospital in Estahban

Introduction: Health care providers and hospitals, like any organization, are undergoing widespread developments and needing new solutions and methods of coping with their life expectancy and survival. The purpose of this study was to determine the mediating role of organizational structure with transformational leadership and organizational life cycle in medical staff of Imam Khomeini Hospital...

Nitrogen use efficiency and life cycle of nodules in alfalfa after different mineral fertilization and soil cultivation

Nitrogen use efficiency and life cycle of root nodules in alfalfa after different mineral fertilization and soil cultivation practices were studied. Field trial was conducted in the Institute of Forage Crops, Pleven, Bulgaria on leached chernozem subsoil type and no irrigation. The next treatments were tested: i) for fertilization as follows: N0P0K0 (control); N60P100K80 (an accepted technology...