Volume 17 Number 2- Jumada 'I 1426 July 2005

Contents

BIOLOGY

Microbiological Quality and Safety of Some "Honey Pastes" Marketed in Jeddah, Saudi Arabia.

Rashad R. Al- Hindi

Physicochemical Studies and Screening of Aflatoxins and Pesticide Residues in Some "Honey Pastes" Marketed in Jeddah, Saudi Arabia.

Rashad R. Al- Hindi

A Study on the Antimicrobial Activity of Corynebacterium kutscheri Isolated from Jordanian Soil.

Nasser M. El-Banna

CHEMISTRY

ARABIC

The Effect of SO2 on element content and visual injury of wheat and barley leaves.

S.S. Abu Muriefah & N.I. Aljwaizea

PHYSICS

Computer Modeling of Megavoltage X-rays Transmission Through Some Shielding Materials Used in Radiotherapy.

Fayez H..H.AlGhorabie

A Study of the Optical Properties of Sodium Tetraborate Glasses Containing Ytterbium.

M. O. Babateen & A. A. Kutub

The Effect of Acquisition Orbits and matrix on the Accuracy of Single Photon Emission Computed Tomography in Imaging: Quantitative Evaluation in a Cardiac Phantom.

S.H.A.AlLehyani

MATHEMATICS

On Testing Statistics of Harmonic New Better Than Renewal Used in Expectation Class of Life Distributions.

Gamal R. Elkahlout

CIVIL ENGINEERING

The Effect of Ageing on Properties of Bituminous Waste Materials.

Mohammad H. Alawi

Modifying Standard Design and Construction Procedure for Culverts.

Bassam A. Ghulman

A Fuzzy Inferencing Model for Generating Code-Compliant Seismic Design Response Spectra.

Tariq M. Nahhas

ARCHITECTURE

The Efficiency of Window Design and Orientation on Long-Cycle Passive Solar Heating Demands in Residential Buildings.

Amjed A. Maghrabi

Comparative Study of Thermal Insulation Alternatives for Buildings, Walls and Roofs in Makkah, Saudi Arabia.

Amjed A. Maghrabi