نتایج جستجو برای: and 8 mn
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The title compound, [Mn(2)(HO(3)PCH(2)CH(2)COO)(2)(C(8)H(8)N(2))(2)(H(2)O)(2)], was obtained by hydro-thermal synthesis. The manganese(II) ions are six-coordinate and are linked by two 2-carboxy-ethyl-phospho-nate ligands, forming a centrosymmetric dimer. The Mn ions adopts a distorted octahedral coordination geometry. The dimers are further linked by O-H⋯O hydrogen bonds and π-π stacking inter...
In the crystal structure of the title salt, (C(7)H(7)N(2)S)(2)[Mn(C(8)H(8)O(5))(2)]·6H(2)O, the heterocyclic N atom of the 2-amino-benzothia-zole mol-ecule is protonated. The Mn(II) atom (site symmetry ) has a slightly distorted octa-hedral MnO(6) coordination defined by the bridging O atoms of the bicyclo-heptane unit and four carboxyl-ate O atoms of two symmetry-related and fully deprotonated...
Introduction: Diabetes research and therapy will benefit from non-invasive methods of analyzing pancreatic beta-cell mass (BCM) and function. A promising strategy is the measurement of paramagnetic manganese (Mn) uptake in pancreatic tissue by T1-weighted in-vivo MR imaging (meMRI) [1-8]. Due to the similarity of their physical properties to calcium ions (Ca), Mn ions enter metabolically active...
In the crystal structure of the title compound, [Mn(C(12)H(6)O(4))(C(10)H(8)N(2))](n), the Mn atoms are each coordinated by four O atoms of naphthalene-1,4-dicarboxyl-ate anions and two N atoms of two symmetry-related 4,4'-bipyridine ligands within a strongly distorted octa-hedra. Two of the O atoms originate from one naphthalene-1,4-dicarboxyl-ate anion, whereas the remaining two O atoms deriv...
tourism , today as one of the ways to make money, create jobs , and social and political interactions is considered. this paper aims to examine the strengths and weaknesses of tourism development in mahmoud abad ( mazandaran ). the research method in this study is " descriptive - analytical " and to collection of data used field methods such as questionnaires and documentation - library. the sa...
Introduction: Median Nerve (MN) originated from medial and lateral cords of Brachial Plexus can be affected by anatomical variations which may lead to several diagnostic and therapeutic mistakes. This paper aim is to study about MN variations investigated by cadaveric studies. Materials and Methods: This study is based on research in electronic databases. Full text of all relevant papers has b...
Fig. 2: Dynamics of Mn transport from the NAc in coronal (top) and sagittal slices (bottom). Averaged images of registered pre injection data are overlapped by color-coded parametric maps, displaying significant intensity changes (p<0.05) over time. Red indicates the significant intensity change between pre injection and 30 min after injection, orange between 30 min and 4 hr after injection, ye...
The title compound, {[Mn(HCOO)(2)(C(12)H(8)N(2))(H(2)O)]·H(2)O}(n), consists of polymeric chains of the complex [Mn(HCOO)(2)(phen)(H(2)O)](∞) (phen is 1,10-phenanthroline) with solvent water mol-ecules. The chains contain six-coordinate Mn(II) ions bridged by formate anions. They are further extended into a three-dimensional network via O-H⋯O hydrogen-bonding inter-actions and inter-chain π-π s...
X iv :m at h/ 05 12 40 7v 2 [ m at h. FA ] 1 8 Ja n 20 06 Notes on Matrix Valued Paraproducts Tao MEI 1 Abstract Denote by Mn the algebra of n×n matrices. We consider the dyadic paraproducts πb associated with Mn valued functions b, and show that the L(Mn) norm of b does not dominate ||πb||L2(l2n)→L2(l2n) uniformly over n. We also consider paraproducts associated with noncommutative martingales...
We report a study of magnetic dynamics in multiferroic hexagonal manganite HoMnO3 by far-infrared spectroscopy. The low-temperature magnetic excitation spectrum of HoMnO3 consists of magnetic-dipole transitions of Ho ions within the crystal-field split J = 8 manifold and of the triangular antiferromagnetic resonance of Mn ions. We determine the effective spin Hamiltonian for the Ho ion ground s...
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