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Showing papers by "Kharazmi University published in 1999"


Journal ArticleDOI
TL;DR: In this paper, the isolation and characterization of the mentioned bacteria are studied by a proposed biochemical protocol The sequential cultivation of the soil bacteria in a series of liquid media and solid cult is studied.
Abstract: Indigenous acidophilic bacteria separated from mine-waste can be used in return for the addition of the reagents like sulfuric acid Among the tailings bacteria, Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans are of the most-studied ones for the bioleaching and bioremediation of elements In this work, the isolation and characterization of the mentioned bacteria are studied by a proposed biochemical protocol The sequential cultivation of the soil bacteria in a series of liquid media and solid cult

2 citations


DOI
23 Dec 1999
TL;DR: In this article, the authors investigated the TSE's total return before and after brokerage firms' year-end using GARCH-PQ, and data of market index in periods between 1390 and 1396.
Abstract: Market efficiency paradigm and time patterns concerned, as "calendar anomalies" is a contradictory issue for researches. TSE's market participants have a negative understanding of the 6th and 12th month of the fiscal year and this issue is rooted in the obliged credit settlement of the brokerage industry at the year-end. The purpose of this study is to investigate the TSE's total return before and after brokerage firms' year-end. Using GARCH-PQ, and data of market index in periods between 1390 and 1396, we concluded that periods of1st to 22ndof 6thand 12th months,and 22nd to the end of 6th and 12th months, have respectivelynegative and positive effectson TSE's stock index.

1 citations