Volume 13, Issue 7 (2016) | American Journal of Applied Sciences

Photoelectrochemical Corrosion of GaN/AlGaN-Based p-n Structures

Alexander Usikov — 2016-07-31

American Journal of Applied Sciences, Published online: 31 July 2016; doi:10.3844/ajassp.2016.845.852

Direct water photoelectrolysis using III-N materials is a promising way for hydrogen production. GaN/AlGaN based p-n structures were used as working electrodes in a photoelectrochemical process to inv...

A New Proposed Statistically-Derived Compromise Cut-off CD4 Count Value for HIV Patients to Start using ARVs

Maria Mokgadi Lekganyane — 2016-06-29

American Journal of Applied Sciences, Published online: 29 June 2016; doi:10.3844/ajassp.2016.853.859

The study investigated the relationship between statistical outliers and the inconsistent values of the CD4 count recommended for starting the Antiretroviral Therapy (ART) by HIV-positive patients. Lo...

Modeling Positive Time Series Data: A Neglected Aspect in Time Series Courses

Maman A. Djauhari — 2016-07-01

American Journal of Applied Sciences, Published online: 1 July 2016; doi:10.3844/ajassp.2016.860.869

Something has been forgotten in time series courses, in particular, when dealing with positive datasets. To describe the pattern hidden in this type of datasets, before we use a sophisticated method o...

One-Dimensional Simulation of Diffusion and Advection Effects in Enzymatic Hydrolysis of Cellulose

Norazaliza Mohd Jamil — 2016-07-13

American Journal of Applied Sciences, Published online: 13 July 2016; doi:10.3844/ajassp.2016.870.876

Enzymatic hydrolysis process to transform lignocellulosic cellulose into sugar in a bioreactor tank involves different controlling factors such as advection, diffusion and fragmentation of cellulose c...

Fractal Dimension for the Characterization of Asphalt Mixture Properties

Giovanni Leonardi — 2016-07-13

American Journal of Applied Sciences, Published online: 13 July 2016; doi:10.3844/ajassp.2016.877.882

In the design of asphalt mixtures for paved roads, the shape of solid elements has a great importance. In asphalt concrete, the shape of aggregate particles influences the resistance, durability, stif...

Quadrotor Obstacle Avoidance Based on Integral Backstepping

Lianchuan Zhang — 2016-07-27

American Journal of Applied Sciences, Published online: 27 July 2016; doi:10.3844/ajassp.2016.883.890

This paper addressed obstacle avoidance problem of a quadrotor in outdoor environment. Path planning was finished by employing classical Dijkstra algorithm and the controller of the quadrotor adopted ...