Volume 12, Issue 4 (2015) | American Journal of Applied Sciences

Work-Family Enrichment: Its Mediating Role in the Relationships Between Workplace Support Factors and Teachers' Job Satisfaction

Ng Swee Fung — 2015-06-08

American Journal of Applied Sciences, Published online: 8 June 2015; doi:10.3844/ajassp.2015.242.253

The role of work-family enrichment in the relationships between workplace support factors and employee attitudes at work has not been given much attention. This paper aims to examine whether work-fami...

Optimal Pareto Solutions of a Dynamic C Chart: An Application of Statistical Process Control on a Semiconductor Devices Manufacturing Process

Toni Lupo — 2015-05-28

American Journal of Applied Sciences, Published online: 28 May 2015; doi:10.3844/ajassp.2015.254.261

The present paper proposes a novel economic-statistical design procedure of a dynamic c control chart for the Statistical Process Control (SPC) of the manufacturing process of semiconductor devices. P...

Study of Au/n-Ti₂S/p-Si/Al Schottky-Type Thin Film Heterojunction Solar Cells: Computer Simulation Modeling

Ali Ibrahim — 2015-06-03

American Journal of Applied Sciences, Published online: 3 June 2015; doi:10.3844/ajassp.2015.262.271

The Au/n-Ti2S/p-Si/Al heterojunction with intrinsic thin-layer solar cells were analyzed by AFORS-HET software program. Thickness of the emitter intrinsic layer and the interface state density of such...

A DC-DC Circuit Using Boost Converter for Low Voltage Energy Harvesting Application

Nurul Arfah Che Mustapha — 2015-06-09

American Journal of Applied Sciences, Published online: 9 June 2015; doi:10.3844/ajassp.2015.272.275

A DC-DC step-up voltage converter is designed to convert a very low voltage supply, 35 mV such as from the thermal energy source from body heat. The converter can generate an output voltage up to 210...

Analysis of the Interaction between the Lining of a TBM Tunnel and the Ground Using the Convergence-Confinement Method

Pierpaolo Oreste — 2015-06-17

American Journal of Applied Sciences, Published online: 17 June 2015; doi:10.3844/ajassp.2015.276.283

The support used when a tunnel is excavated by a shielded TBM is complex because it consists of two different materials: A concrete segmental lining and a filler annulus between the lining and the tun...

Supercritical CO₂ Extraction of Heavy Metals Cu, Zn and Cd from Aqueous Solution using D ithizone as Chelating Agent

Jeton Halili — 2015-06-22

American Journal of Applied Sciences, Published online: 22 June 2015; doi:10.3844/ajassp.2015.284.289

Metal ions in liquid samples can be extracted by supercritical CO2, containing a suitable ligand. This paper presents the first experimental data for the extraction of three heavy metals Cu, Zn and Cd...

Socio-Economic and Technical Efficiency Level of Organic Rice Farming with System of Rice Intensification: A Case Study in Morowali Regency Indonesia

Max Nur Alam — 2015-06-24

American Journal of Applied Sciences, Published online: 24 June 2015; doi:10.3844/ajassp.2015.290.294

This research aimed to (1) analyze technical efficiency level of rice farming with System of Rice Intensification and non-System of Rice Intensification and (2) analyze the factors that affected techn...