تسلسل الكتاب عدد الصفحات التفاصيل
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برنامج مقترح في ضوء معا يير الجودة الشاملة لتطوير أداء طالبات التربية الميدانية بجامعة سلمان بن عبد العزيز. Proposed Program to Show the Comprehensive Quality Standards for the Development of the Performance of Educational Students at Selman bin Abdul-Azi
برنامج مقترح في ضوء معا يير الجودة الشاملة لتطوير أداء طالبات التربية الميدانية بجامعة سلمان بن عبد العزيز. Proposed Program to Show the Comprehensive Quality Standards for the Development of the Performance of Educational Students at Selman bin Abdul-Azi
عدد الصفحات:7
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7-Article: Copper(II) complexes of 2-aminoacetophenone N(4)-substituted thiosemicarbazones
7-Article: Copper(II) complexes of 2-aminoacetophenone N(4)-substituted thiosemicarbazones
عدد الصفحات:4

ABSTRACT: Mononuclear copper(II) complexes with 2-aminoacetophenone thiosemicarbazone and three N(4)-substituted thiosemicarbazones have been prepared in ethanolic solution and characterized by physical and spectral methods. I.r., electronic and e.s.r. spectra of the complexes, as well as i.r., electronic, and 1H- and 13C-n.m.r. spectra of the thiosemicarbazones, have been obtained. The 2-aminoacetophenone thiosemicarbazones...

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6-Article: Cobalt(II) complexes with 2-aminoacetophenone N(4)-substituted thiosemicarbazones
6-Article: Cobalt(II) complexes with 2-aminoacetophenone N(4)-substituted thiosemicarbazones
عدد الصفحات:6


ABSTRACT: Cobalt(II) complexes with 2-aminoacetophenone thiosemicarbazone and three N(4)-substituted thiosemicarbazones have been prepared in EtOH solution and characterized by physical and spectral methods. I.r. and electronic spectra of the thiosemicarbazones and their complexes, along with physical properties of the complexes, have been obtained. The 2-aminoacetophenone thiosemicarbazones coordinate both as neutral...

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5-Article: Copper(II) complexes of 4-acetamidobenzaldehyde N(4)-substituted thiosemicarbazones
5-Article: Copper(II) complexes of 4-acetamidobenzaldehyde N(4)-substituted thiosemicarbazones
عدد الصفحات:6


ABSTRACT:�Mononuclear and binuclear copper(II) complexes with four 4-acetamidobenzaldehyde N(4)-substituted thiosemicarbazones have been prepared in EtOH solution and characterized by physical and spectral methods. I.r., electronic, and e.s.r. spectra of the complexes, as well as i.r., electronic, and n.m.r. spectra of the thiosemicarbazones, have been obtained. These thiosemicarbazones coordinate as...

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4-Article: Cobalt(II) complexes of 4-acetamidobenzaldehyde N(4)-substituted thiosemicarbazones
4-Article: Cobalt(II) complexes of 4-acetamidobenzaldehyde N(4)-substituted thiosemicarbazones
عدد الصفحات:5

ABSTRACT:�Cobalt(II) complexes of five 4-acetamidobenzaldehyde N(4)-substituted thiosemicarbazones have been prepared in EtOH solution and characterized by i.r., electronic and n.m.r. spectra, and by magnetic susceptibilities and molar conductivity measurements. The thiosemicarbazones coordinate as monoanionic or neutral ligands via the thiosemicarbazone azomethine nitrogen and thione/thiolato sulfur, the latter by loss of...

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3-Article: Nickel(II) complexes of 4-acetamidobenzaldehyde N(4)-substituted thiosemicarbazones
3-Article: Nickel(II) complexes of 4-acetamidobenzaldehyde N(4)-substituted thiosemicarbazones
عدد الصفحات:4

ABSTRACT: Nickel(II) complexes with five 4-acetamidobenzaldehyde N(4)- substituted thiosemicarbazones have been prepared in EtOH solution and characterized by physical and spectral methods. N.m.r., i.r. and electronic spectra of the thiosemicarbazones and their complexes, along with physical properties of the complexes, have been recorded. These thiosemicarbazones coordinate as anionic ligands via the...

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2-Article: Crystal and Molecular Structure of 2-Aminoacetophenone- N(3)-dimethylthiosemicarbazone
2-Article: Crystal and Molecular Structure of 2-Aminoacetophenone- N(3)-dimethylthiosemicarbazone
عدد الصفحات:4

ABSTRACT:�Condensation of N(3)-dimethylthiosemicarbazide with 2- aminoacetophenone in anhydrous ethanol produces 2-aminoacetophenone- N(3)-dimethylthiosemicarbazone, 1, which is planar with the S1 and N1 atoms in a synconformation. The amino group forms a bifurcated intramolecular hydrogen bond with the sulfur and the imine nitrogen, and an intermolecular hydrogen bond with the thione sulfur...

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1-Article: 2-{[1-(2-Amino¬phenyl)¬ethyl¬idene]¬hydrazino}-5-piperidyl-1,3,4-thia¬diazo-le
1-Article: 2-{[1-(2-Amino¬phenyl)¬ethyl¬idene]¬hydrazino}-5-piperidyl-1,3,4-thia¬diazo-le
عدد الصفحات:6

ABSTRACT: The mol­ecules of the title compound, C15H20N6S, are linked into centrosymmetric dimers by N—H⋯N intermolecular hydrogen bonds, forming a monoclinic crystal structure.

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