Investigating the impact of social responsibility on financial performance: According to mediating role of corporate governance
The main objective of this research is to determine the impact of corporate social responsibility on financial performance of the company, considering the role of mediation of corporate governance in companies admitted to the Tehran Stock Exchange. This research is an applied research in terms of purpose and also is a descriptive survey in terms of data collection. The statistical population of the research is the managers and experts of the companies accepted in the Tehran Stock Exchange who were members of the Stock Exchange during the years 2014 and 2015. By systematic deletion, 120 individuals are selected as samples. The collected data were analyzed using SPSS and PPL software. The hypotheses were analyzed using structural equation modeling. The results of the research showed corporate governance in relation to social responsibility on the financial performance of companies admitted to the Tehran Stock Exchange plays a mediating role.
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Monitoring of plankton indicators for assessment of pollution status of the Yamuna River at Kalpi (U.P.) India
Present investigation deals with the role of plankton indicators to assess the pollution status of the Yamuna river at Kalpi (U.P.). Pollution status of the river was assessed by employed Palmer’s Algal species Pollution Index. Samples were collected at four sampling sites on the Yamuna river for a period of one year in each month of every season. Samples were analyzed for physico-chemical parameters and identification of recorded planktons with try to find correlation between them. 25 genera of phytoplankton, belonging four groups Chlorophyceae, Euglenophyceae, Bacillariophyceae and Cyanophyceae. and 16 genera of zooplankton belonging four groups Protozoa, Rotifera, Cladocera and Copepoda were recorded and identified. Recorded pH, Conductivity, Turbidity, T.D.S., PO4, B.O.D. and C.O.D. were beyond the drinking water limit of WHO while T.H., Cl, SO4 and NO3 were under the limit and D.O. was satisfactory to good condition. Presence of pollution indicator algal forms i.e, Euglena viridis, Oscillatoria limosa, O. tenuis, Scenedesmus quadricauda, Stigeoclonium tenue, Synedra ulna, Ankistrodesmus falcatus, Oscillatoria chlorina, Chlorella vulgaris, Cyclotella meneghiniana and presence of dominant Rotifer’s zooplankton population with Brachionus calyciflorus shows signs of organic pollution in studied water. Sampling site S4 was more polluted but S3 and S2 site was moderately polluted and S1 lack of organic pollution. In S4 sampling site pollution index score was high with high physico-chemical parameters.
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Treatment of liver hydatidosis with puncture, aspiration, injection, and reaspiration technique: Two case report
Liver hydatidosis is a considerable health problem in the developing countries, such as Iran. There are different therapeutic approaches for the treatment of this disease including; laparoscopy, open surgery, as well as puncture, aspiration, injection, and re-aspiration (PAIR) technique. Herein, we presented the case of two pediatric patients with multiple hydatid cysts in the liver, who were treated through the PAIR technique with no complication or relapse in the follow-up.
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List of articles published in the month of February 2018
Table of contents for the month of February 2018
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