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Submitted on: 15 February 1999.
Revised on: 28 March 1999.
Accepted on: 24 April 1999.
Ovidius University Annals of Chemistry
Submitted on: 12 August 2017.
Revised on: 31 August 2017.
Accepted on: 23 September 2017.
Ovidius University Annals of Chemistry
http://reply.papertrans.cn/3/239/23882/23882-24.png
Submitted on: 22 May 2023.
Revised on: 03 June 2023.
Accepted on: 25 June 2023.
Ovidius University Annals of Chemistry
Submitted on: 25 April 2010.
Revised on: 11 May 2010.
Accepted on: 03 June 2010.
Ovidius University Annals of Chemistry
Submitted on: 12 December 2000.
Revised on: 22 December 2000.
Accepted on: 04 January 2001.
Ovidius University Annals of Chemistry
http://reply.papertrans.cn/3/239/23882/23882-28.png
http://reply.papertrans.cn/3/239/23882/23882-29.png
Submitted on: 14 April 2022.
Revised on: 18 May 2022.
Accepted on: 05 June 2022.
Ovidius University Annals of Chemistry