Volume 7, Issue 5 (2010) | American Journal of Applied Sciences

A Coupled Mathematical Model for a Temperature Dependant Blood Perfusion in Heterogeneous Biological Tissues during Microwave Heating

E. A. Adebile — 2010-05-31

American Journal of Applied Sciences, Published online: 31 May 2010; doi:10.3844/ajassp.2010.609.615

Problem statement: The temperature variation in heterogeneous three layered biological tissues was investigated. Approach: The blood perfusion was considered to be temperature dependent. The heating m...

The Potential of Extended Aeration System for Sago Effluent Treatment

Wahi Abd Rashid — 2010-05-31

American Journal of Applied Sciences, Published online: 31 May 2010; doi:10.3844/ajassp.2010.616.619

Problem statement: Sago effluent contains large amount of organic material which has a potential to cause water pollution. In order to reduce this problem, an experiment was conducted to remove organi...

Risk and Health Effect of Boric Acid

Ang Swi See — 2010-05-31

American Journal of Applied Sciences, Published online: 31 May 2010; doi:10.3844/ajassp.2010.620.627

Problem statement: Boric acid is a pesticide usually used to kill mites, fungi, plants and insect including fleas, termites, cockroaches and wood decay fungi. Besides, it was also used in many fields ...

Synthesis and Characterization of Dinuclear Metal Complexes Stabilized by Tetradentate Schiff Base Ligands

Eid A. Abdalrazaq — 2010-05-31

American Journal of Applied Sciences, Published online: 31 May 2010; doi:10.3844/ajassp.2010.628.633

Problem statement: The synthesis, spectroscopic properties and theoretical calculations of acetylacetonimine and acetylacetanilidimine Schiff-base ligands, L1H and L2H, respectively and their dinuclea...

Prevalence of Low Back Pain and its Risk Factors among School Teachers

Nurul Izzah Abdul Samad — 2010-05-31

American Journal of Applied Sciences, Published online: 31 May 2010; doi:10.3844/ajassp.2010.634.639

Problem statement: The objective of this study was to determine the prevalence of low back pain and the associated risk factors among primary school teachers in the Klang Valley, Malaysia. Approach: A...

Comparative Effects of Drought and Salt Stress on Germination and Seedling Growth of Pennisetum divisum (Gmel.) Henr.

Wafa’a A. Al-Taisan — 2010-05-31

American Journal of Applied Sciences, Published online: 31 May 2010; doi:10.3844/ajassp.2010.640.646

Problem statement: Water stress due to drought and salinity is probably the most significant abiotic factor limiting plant and also crop growth and development. Salinity and drought stresses are physi...

Estimate of Aerosol Optical Depth Using Broadband Direct Normal Observations at Highest Polluted Area in the World

U. Ali Rahoma — 2010-05-31

American Journal of Applied Sciences, Published online: 31 May 2010; doi:10.3844/ajassp.2010.647.655

Problem statement: The measurement of different components of direct solar radiation for this research has been carried out in Helwan, Egypt. Helwan (Latitude 29°52 N, Longitude 31°20 E). This is a ...

New Schiff Bases with Pyridine Core: Spectral, Thermal and Optical Characterizations

Sie-Tiong Ha — 2010-05-31

American Journal of Applied Sciences, Published online: 31 May 2010; doi:10.3844/ajassp.2010.656.660

Problem statement: Numerous studies have been conducted on the Schiff base's alkyl and alkyloxy possessing aromatic core. However, the thermo tropic properties of Schiff base's ester (or alkanoyloxy) ...

The Implications of a Health Promotion Program on the Knowledge and Practice of Automotive Workers Exposed To Solvent

Rumaizah Ruslan — 2010-05-31

American Journal of Applied Sciences, Published online: 31 May 2010; doi:10.3844/ajassp.2010.661.668

Problem statement: An in-house health promotion program aimed at promoting safety and health awareness when handling organic solvents at the workplace was carried out and its effectiveness was evaluat...

Kinematics Model of Snake Robot Considering Snake Scale

Raisuddin Khan — 2010-05-31

American Journal of Applied Sciences, Published online: 31 May 2010; doi:10.3844/ajassp.2010.669.674

Problem statement: In snake robot research, one of the most efficient forms of locomotion is the lateral undulation. However, lateral undulation, also known as serpentine locomotion, is ill-suited for...

Waste Heat Recovery by Heat Pipe Air-Preheater to Energy Thrift from the Furnace in a Hot Forging Process

Lerchai Yodrak — 2010-05-31

American Journal of Applied Sciences, Published online: 31 May 2010; doi:10.3844/ajassp.2010.675.681

Problem statement: Currently, the heat pipe air-preheater has become importance equipment for energy recovery from industrial waste heat because of its low investment cost and high thermal conductivit...

Modeling and Control of a Photovoltaic Energy System Using the State-Space Averaging Technique

Mohd Saifuzam Jamri — 2010-05-31

American Journal of Applied Sciences, Published online: 31 May 2010; doi:10.3844/ajassp.2010.682.691

Problem statement: This study presented the modeling and control of a stand-alone Photovoltaic (PV) system using the state-space averaging technique. Approach: The PV module was modeled based on the p...

Incorporating Workload and Performance Levels into Work Situation Analysis of Employees with Application to a Taiwanese Hotel Chain

Tien-Hui Chen — 2010-05-31

American Journal of Applied Sciences, Published online: 31 May 2010; doi:10.3844/ajassp.2010.692.697

Problem statement: Appropriate Human Resource Management (HRM) can motivate employees, develop their capabilities and enhance their productivity. However, before selecting the HRM practices to adopt, ...

Density Equation of Cassava-Stalk Briquettes Under Moderate Die-Pressure

Patomsok Wilaipon — 2010-05-31

American Journal of Applied Sciences, Published online: 31 May 2010; doi:10.3844/ajassp.2010.698.701

Problem statement: Agricultural residues seem to be the most promising energy resources for developing countries. However, the majority of them have low energy density. One of the favorable technologi...

How to Find Wave-Scattering Parameters from the Causal Bond Graph Model of a High Frequency Filter

Hichem Taghouti — 2010-05-31

American Journal of Applied Sciences, Published online: 31 May 2010; doi:10.3844/ajassp.2010.702.710

Problem statement: The aim of this study is to use the bond graph technique and the wave-scattering formalism, jointly, to determine the scattering matrix of a high frequency filter with cut-off frequ...

Development of Empirical Prediction Formula for Penetration of Ogive Nose Hard Missile into Concrete Targets

Ahmad Mujahid Ahmad Zaidi — 2010-05-31

American Journal of Applied Sciences, Published online: 31 May 2010; doi:10.3844/ajassp.2010.711.716

Problem statement: Concrete is basic construction material used for most of structures. However, the typical vital structures have to be designed as self-protective such as nuclear plants, power plant...

Land Surface Temperature Retrieval by Using ATCOR3_T and Normalized Difference Vegetation Index Methods in Penang Island

K. C. Tan — 2010-05-31

American Journal of Applied Sciences, Published online: 31 May 2010; doi:10.3844/ajassp.2010.717.723

Problem statement: Many studies have been devoted to establish the methodology for retrieval of LST from single channel algorithm by utilizing Landsat satellite images. However, this method required m...