1.

Tectono-History of the Silurian Sharawra Formation in Northwestern and Central Arabia

Pages 1-7
2.

Use of Synthesized Aromatic Polyamide Reverse Osmosis Membranes Doped NanoTiO2 in Water Desalination

Pages 9-16
3.

Kinetics and mechanism of the reaction between chromium (III) and diethylenetriaminepentaacetic acid

Pages 17-22
4.

Consideration on the optimized molecular geometry of photochromic Salicylaldehyde-p-hydroxybenzoyl hydrazone molecule by semi- empirical molecular orbital method MOPAC/MINDO3

Pages 23-27
5.

Synthesis and characterization of bisaldehyde ligand with some transition metals and its application in spectrophotometric determination of Fe(III) in natural water samples using recovery test

Pages 29-37