Volume 7, Issue 8 (2010) | American Journal of Applied Sciences

Impact Assessment and Utilization of Eastern Redcedar

Salim Hiziroglu — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1032.1037

Problem statement: The fast invasion of eastern redcedar (Juniperus virginiana L.) has been considered a significant problem to the environment and rural communities. Approach: This study examined the...

Eco-Friendly Synthesis of Fucoidan-Stabilized Gold Nanoparticles

Kriengsak Lirdprapamongkol — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1038.1042

Problem statement: Metallic gold nanoparticles (AuNPs) are widely used in many applications including medical, pharmaceutical, diagnostics and sensors. The chemical synthesis of AuNPs normally require...

Extraction of Ca(II) and Mg(II) from Hydrochloric Acid Solutions by N,N-Dioctyl-1-Octanamine in Methyl Isobutyl Ketone

Fatmir Faiku — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1043.1046

Problem statement: Amines as organic molecules are able to form complexes with metals ions and this is the reason why we can use them to extract metals ions from hydrometallurgical solutions. Approach...

Synthesis and Characterization of Organotin(IV) N-Benzyl-N-Isopropyldithiocarbamate Compounds: Cytotoxic Assay on Human Hepatocarcinoma Cells (HepG2)

Normah Awang — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1047.1052

Problem statement: Several studies on organotin(IV) dithiocarbamate compounds have been carried out but not on the synthesis and characterization together with cytotoxic assay of organotin(IV) N-benzy...

The Investigation of ¹H NMR Spectra of 2,3-Dihydro-4-Pyridinones Derived from Bisdemethoxycurcumin

Wisam A. Radhi — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1053.1056

Problem statement: The studied dihydropyridones were synthesized via microwave assisted reaction of bisdemethoxycurcumin and amines or amine acetates which is new approach in the synthesis of this imp...

Antiproliferative Effects of Alkaloids Isolated from the Tuber of Stephania venosa via the Induction of Cell Cycle Arrest in Mammalian Cancer Cell Lines

Sirinapa Nantapap — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1057.1065

Problem statement: S. venosa (Menispermaceae) is used in traditional medicine. The constituents of S. venosa belonging to showed remarkable cytotoxic activity. According to previous research, S. venos...

Evaluation of Salivary Electrolytes during Normal Menstrual Cycle with Special Reference to Ovulation

S. Alagendran — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1066.1072

There is evidence to imply that estrogen influences salivary electrolytes activity in women. Problem statement: In this study we investigated changes in sodium, potassium and inorganic phosphorus, cal...

Methanol-Based Transesterification Optimization of Waste Used Cooking Oil over Potassium Hydroxide Catalyst

Cholada Komintarachat — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1073.1078

Problem statement: Waste used Cooking Oil (WCO) harmfully affected to environment and human’s health can be a feedstock for producing biodiesel. Approach: The conversion of Fatty Acid and Free Fatty...

Buffering Capacity of Fast-Growing Species and Curing Time of UF Resin Modified With Zinc Borate and Monoammonium Phosphate

Izran Kamal — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1079.1082

Problem statement: Occupying a suitable hot pressing time for particleboard fabrication seems very tricky for manufacturers of the wood-based panel. Longer or shorter pressing times can affect physica...

Enzymatic Synthesis of Palm Alkyl Ester Using Dialkyl Carbonate as an Alkyl Donors

Roila Awang — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1083.1086

Problem statement: Though efficient in terms of reaction yield and time, the chemical approach to synthesizing alkyl ester has drawback such as difficulties in the recovery of glycerol and the need fo...

Work-Related Musculoskeletal Disorders among Workers' Performing Manual Material Handling Work in an Automotive Manufacturing Company

Baba Md. Deros — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1087.1092

Problem statement: The study investigated the prevalence of Musculoskeletal Disorders (MSD) among workers who perform the Manual Material Handling (MMH) task in an automotive manufacturing plant in Ma...

Experimental Investigation of Cluster Bed-Form Formation Over Uniform Sediment

Masoud Karbasi — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1093.1099

Problem statement: Cluster microforms are a type of small scale bed-form found in the surface layer of some gravel bed rivers. These bed-forms are comprised of discrete, organized groupings of particl...

Modeling and Controller Design of an Electro-Hydraulic Actuator System

M. F. Rahmat — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1100.1108

Problem statement: Electro-hydraulic actuators are widely used in motion control application. Its valve needs to be controlled to determine direction of the motion. Mathematical modeling is a descript...

V-Band Fade Dynamics Characteristics Analysis in Tropical Region

Khairayu Badron — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1109.1114

Problem statement: Satellite operations at V-band in tropical and equatorial regions are constrained as a result of attenuation from rain. Approach: Statistics for 20 consecutive months of V-band terr...

Fast Decoupled Power Flow for Power System with High Voltage Direct Current Transmission Line System

Prechanon Kumkratug — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1115.1117

Problem statement: High voltage direct current transmission line system has been widely applied for control power flow in power system. The power flow analysis was the one of powerful tools by which t...

A Novel Odor Key Technique for Security Applications Using Electronic Nose System

Mahmoud Z. Iskandarani — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1118.1122

Problem statement: A novel approach to security applications that makes use of odors as password generators is developed and tested. The developed system detects and converts odor signals that are ra...

Effect of Raising the Environmental Awareness on Reducing Kitchen Water Consumption by Jordanian Families Living in Amman City

Damanhouri Mohammad Sai’d — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1123.1128

Problem statement: Improper use of water by Jordanian families accombined with acute shortage in water resources. Approach: This study aimed to raise the degree of the environmental awareness regardin...

Increasing the Reliability of Fuzzy Inference System-Based Skin Detector

Alaa Y. Taqa — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1129.1138

Problem statement: Skin detection is a common primitive for many human-related image processing applications, such as video surveillance, naked image filters and face detection. Skin color is consider...

Link Stability and Node Energy Conscious Local Route-Repair Scheme for Mobile Ad Hoc Networks

Anuradha Banerjee — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1139.1147

Problem statement: A mobile ad hoc network is a self-configuring network of mobile nodes connected by wireless links. As the nodes are free to move randomly, topology of the network may change rapidly...

Determination of Kinetic Parameters of a Super Heavy Chisel Plow Under Various Operating Conditions

S. A. Al-Suhaibani — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1148.1156

Problem statement: Tillage is a process of creating a desirable soil condition for seed germination and growth. The tillage of soil is considered to be one of the biggest farm operations as the tillag...

A Novel Method for Testing Digital to Analog Converter in Static Range

K. Hariharan — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1157.1163

Problem statement: Linearity testing methods for DAC usually involves usage of non-linear analog components, which are indeed prone to various errors. Few other testing methodologies involve complex c...

An Experimental Comparison Between Demand Systems of Major Food Groups in Urban Economics

Mahmoud Daneshvar Kakhki — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1164.1167

Problem statement: This study examined the eleven major food groups demand for urban areas of Iran during1361-1386. Approach: AIDS, ROTTERDAM, CBS and NBR models was compare together and Sur method wa...

Voltage Oriented Control Applied to a Grid Connected Photovoltaic System with Maximum Power Point Tracking Technique

Rym Marouani — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1168.1173

Problem statement: This study presented a grid connected photovoltaic system with voltage oriented control. This system contains the problem of degradation of photovoltaic power with climatic factors ...

Hybrid Connection Simulation Using Dynamic Nodal Numbering Algorithm

Alongkorn Lamom — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1174.1181

Problem statement: The traditional dynamic nodal numbering algorithm was proposed for generating code number to support truss and frame simulation using only one element type, frame element; it facili...

Implementation of 5S Practices in the Manufacturing Companies: A Case Study

Mohd Nizam Ab Rahman — 2010-08-31

American Journal of Applied Sciences, Published online: 31 August 2010; doi:10.3844/ajassp.2010.1182.1189

Problem statement: 5S practice is one of the techniques to improve quality environment, health and safety at the workplace. Evaluation of 5S practice can be done through implementation of 5S audit at ...