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Publication Date
Tue Jan 01 2013
Journal Name
Ibn Al-haitham Jour. For Pure & Appl. Sci.
Volume
26
Issue Number
2
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Synthesis And Characterization Of Some New Metal Complexes Of Ethyl Cyano (2-Methyl Carboxylate Phenyl Azo Acetate)
Ethyl cyano (2-methyl carboxylate) phenyl azo acetate
complexes
Basima M sarhan
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Complexes of (Co2+, Ni2+, Cu2+, Zn2+, Cd2+ and Hg2+) with the ligand Ethyl cyano (2-methyl carboxylate phenyl azo acetate) (ECA) have been prepared and characterized by FTIR, (UV-Visible), Atomic absorption spectroscopy, Molar conductivity measurements and magnetic moments measurements. The following general formula has been suggested for the prepared complexes [M(ECA)2]Cl2 where M = (Co2+, Ni2+, Cu2+ ,Zn2+, Cd2+, Hg2+) and the geometry is octahedral.

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Publication Date
Thu Apr 27 2017
Journal Name
Ibn Al-haitham Journal For Pure And Applied Sciences
On A Bitopological (1,2)*- Proper Functions
(1
2)*-proper functions
(1
2)*-perfect functions
(1
2)*-compact functions
(1
2)*-cluster points
(1
2)*- 2 T -spaces
(1
2)*-compactly closed sets and (1
2)*-K-spaces .
Sabiha I .
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   In this paper, we introduce a new type of functions in bitopological spaces, namely, (1,2)*-proper functions. Also, we study the basic properties and characterizations of these functions . One of the most important of equivalent definitions to the (1,2)*-proper functions is given by using (1,2)*-cluster points of filters . Moreover we define and study (1,2)*-perfect functions and (1,2)*-compact functions in bitopological spaces and we study the relation between (1,2)*-proper functions and each of (1,2)*-closed functions , (1,2)*-perfect functions and (1,2)*-compact functions and we give an example when the converse may not be true .
 

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