Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Ouahida Zeghouan"'
Autor:
Ouahida Zeghouan, Mohamed AbdEsselem Dems, Seifeddine Sellami, Hocine Merazig, Jean Claude Daran
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 74, Iss 8, Pp 1042-1048 (2018)
The synthesis and characterization of diaquabis[2-(2-hydroxyethyl)pyridine-κ2N,O)nickel(II) dinitrate, [Ni(C7H9NO)2(H2O)2](NO3)2, under ambient conditions is reported and compared with catena-poly[[bis[2-(2-hydroxyethyl)pyridine-κ2N,O]copper(II)]-
Externí odkaz:
https://doaj.org/article/c94f2dfe90b548c9bbbd46d61c60821a
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 73, Iss 12, Pp 1937-1941 (2017)
The title compound, (C15H14N3)[NiCl4]Cl, comprises an NiII cation tetrahedrally coordinated by four chloride anions, a non-coordinating chloride anion and an essentially planar terpyridinium trication (tpyH33+), in which the central pyridinium ring f
Externí odkaz:
https://doaj.org/article/b5c5ac503cac42fa9df4b95d85786aea
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 8, Pp m439-m440 (2013)
In the title salt, [Co(C7H9NO)2(H2O)2]Cl2, the CoII cation, located on an inversion center, is N,O-chelated by two hydroxyethylpyridine ligands and coordinated by two water molecules in a distorted O4N2 octahedral geometry. In the crystal, the Cl−
Externí odkaz:
https://doaj.org/article/02de9ebb5da1419db369e1e3acb9ac10
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 7, Pp m379-m380 (2013)
In the anion of the title compound, (C7H11N2)[CoCl3(C7H10N2)], the CoII ion is coordinated by one N atom from a 4-(dimethylamino)pyridine (DMAP) ligand and three Cl atoms, forming a CoNCl3 polyhedron with a distorted tetrahedral geometry. In the crys
Externí odkaz:
https://doaj.org/article/a8067158f17d4f1bbe934e624d12da68
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 3, Pp m175-m175 (2013)
The title layered polymer, [Co(N3)2(C7H10N2)2]n, contains CoII, azide and 4-(dimethylamino)pyridine (4-DMAP) species with site symmetries m2m, 2 and m, respectively. The Co2+ ion adopts an octahedral coordination geometry in which four N atoms from a
Externí odkaz:
https://doaj.org/article/86b0f50fbe5c4834a1d2cafadafb8f10
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 3, Pp m169-m169 (2013)
In the title complex, [Zn(N3)2(C7H10N2)2], the ZnII atom is coordinated by two N atoms from two 4-(dimethylamino)pyridine (DMAP) ligands and by two N atoms from two azide anions in a distorted tetrahedral coordination geometry. In the crystal, weak C
Externí odkaz:
https://doaj.org/article/7fac2d8ac2824c1b833a5a3b10b2455c
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 10, Pp o2959-o2960 (2012)
The asymmetric unit of the title hydrated salt, C6H14NO2+·F−·H2O, contains a discrete cation with a protonated amino group, a halide anion and one water molecule. The crystal structure is composed of double layers parallel to (010) held together
Externí odkaz:
https://doaj.org/article/999a6c1571db44ceafef4707f157d8fb
Autor:
Chahra, BOUCHAMENI, Ouahida, ZEGHOUAN, Mahesha, Udaya Kumar, A.H., Chahrazed, BEGHIDJA, Richard, WELTER, Lokanath, N.K.
Publikováno v:
In Journal of Molecular Structure 5 March 2023 1275
Publikováno v:
Polimery. 67:255-260
The effect of natural and thermo-oxidative aging on the structure and physicochemical properties of LDPE films stabilized with hindered amine light stabilizers (HALS) was investigated. Based on multiple linear regression analysis (MLRA) mathematical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::059374fac3fe7597a18b44d34724204c
https://doi.org/10.14314/polimery.2022.6.3
https://doi.org/10.14314/polimery.2022.6.3
Autor:
Seifeddine Sellami, Ouahida Zeghouan, Ferid Dhahri, Lassaad Mechi, Younes Moussaoui, Brahim Kebabi
Publikováno v:
Environmental monitoring and assessment. 194(2)
Heavy metal pollution is a challenging concern that threatens the soil environment and human health worldwide. The purpose of this work is to assess the heavy metals (Cr, Cu, Zn, and Pb) pollution in the urban and peri-urban soils in and around Setif
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e174395aef1f8232d20a7f2cb93baa12
https://pubmed.ncbi.nlm.nih.gov/35080670
https://pubmed.ncbi.nlm.nih.gov/35080670