This new method which is worked out in Isfahan University of Technology, makes it possible to analyze the phases quantitatively in minerals and powdered materials by X Ray Diffraction and without any reference material. To identify n unknown phases, n different combinations of phases, from fine and coarse fractions, or etc., must be obtained. Amorphous phases should not exist. Intensity ratios ...

Prior IS research demonstrates that computer playfulness, personal innovativeness and cognitive absorption during technology use lead to a number of positive behavioral and affective outcomes. While early studies have warned that these individual traits and psychological states can lead to certain negative effects, little IS research has empirically investigated this possibility. Building on re...

EXECUTIVE SUMMARY This document serves as a DOE post-project assessment of a project in Round 3 of the Clean Coal Technology (CCT) Demonstration Program titled, "Demonstration of SO 2 Removal Using Gas Suspension Absorption Technology." In October 1990, AirPol Inc. entered into a cooperative agreement to conduct the study, with the Tennessee Valley Authority (TVA) as the host and co-sponsor. Th...

During the past decade, the World Economic Forum has published its annual reports in which the Global Competitiveness Index is included. This paper aims to investigate the key factors for achieving an innovation-driven economy. In this paper, we used partial canonical correlation analysis (PCCA) to examine the relationships between key pillars in “efficiency enhancers” and “business sophisticat...

Phytoremediation is an eco-friendly method for removal of pollutants, which can be relied upon as a sustainable technology, if implemented under optimum conditions of plant growth. The effectiveness of water hyacinth, a topical weed, for the removal of Zinc (Zn) and Chromium (Cr) ions from aqueous solutions has been presented in this article. The potential of this plant in removing metals by ph...

Photocells low band gap, i. e. smaller than that of Si, can be applied in multi-junction solar cells and in thermophotovoltaics (TPV). Such band gaps can be achieved by embedding layers of SiGe nanostructures between Si spacers. Such a stack placed into the space charge region of a Si pin diode enhances the infrared sensitivity of the photocell. Compatibility to the mainstream Si technology is ...

succinate) was the first triptan medication to target the nerves and blood vessels believed to trigger a total migraine (including throbbing pain, nausea, and sensitivity to light and sound, with or without aura). The first triptan to receive Food and Drug Administration (FDA) approval for the acute treatment of migraines in adults, IMITREX has treated more than 750 million migraines in the pas...

An unprecedentedly stable CH3NH3PbI3 film synthesized by a modified chemical vapor transport method is demonstrated. The results show that the crystal structure, light absorption, and device efficiency do not degrade after storing for 100 d in air with 40% relative humidity, while the conventional solution-processed perovskites are usually stable for less than 20 d in similar conditions.

In this paper, we show for the first time that ultrafast light illumination can induce an unusually broad transient optical absorption (TA), spanning of ≈ 200 nm in the sub-bandgap region of chalcogenide GeSe2 thin films, which we interpret as being a manifestation of creation and annihilation of light induced defects. Further, TA in ultrashort time scales show a maximum at longer wavelength, h...