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Submitted on: 25 January 2014.
Revised on: 04 March 2014.
Accepted on: 26 March 2014.
Ovidius University Annals of Chemistry
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Submitted on: 02 January 2011.
Revised on: 31 January 2011.
Accepted on: 08 February 2011.
Ovidius University Annals of Chemistry
Submitted on: 12 August 2001.
Revised on: 24 August 2001.
Accepted on: 09 September 2001.
Ovidius University Annals of Chemistry
Submitted on: 12 November 2014.
Revised on: 26 December 2014.
Accepted on: 09 January 2015.
Ovidius University Annals of Chemistry
http://reply.papertrans.cn/3/239/23882/23882-18.png
Submitted on: 11 March 2006.
Revised on: 16 April 2006.
Accepted on: 21 April 2006.
Ovidius University Annals of Chemistry
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