Volume 12, Issue 2 (2019) | American Journal of Engineering and Applied Sciences

Investigating the Effects of Landfill in Azad-Shahr City on the Physicochemical Properties of Groundwater

Sara Abdollahi — 2019-06-03

American Journal of Engineering and Applied Sciences, Published online: 3 June 2019; doi:10.3844/ajeassp.2019.136.146

Locations near landfills have a lot of potential for contamination of groundwater, because there is a high potential for contamination with emulsion in these areas. In this study, the quality of phy...

Global Supply Chain Risk Management

Mouad Ben-Faress — 2019-04-08

American Journal of Engineering and Applied Sciences, Published online: 8 April 2019; doi:10.3844/ajeassp.2019.147.155

Today’s global supply chain structure and organizations are characterized by high physical volume variation, information and financial flow exchanges with several amount of data from supplier to the...

A 10GH_Z Low-Offset Dynamic Comparator for High-Speed and Lower-Power ADC_S

Bakoune Pierre Hypolite — 2019-05-06

American Journal of Engineering and Applied Sciences, Published online: 6 May 2019; doi:10.3844/ajeassp.2019.156.165

This paper proposed a design of low-voltage Dynamic Comparator using 90 nm PTM CMOS technology for high-speed and Lower-power Analog to Digital Converter (ADC) applications. The double tail structure ...

Sustainable Study of Self-Healing Concrete in Hot Desert Climate

Batoul Chamali — 2019-05-16

American Journal of Engineering and Applied Sciences, Published online: 16 May 2019; doi:10.3844/ajeassp.2019.166.172

The hot and dry desert climate is characterized by high temperature and high humidity. This affects the strength of concrete negatively by the difficulty of providing proper curing and by generating e...

Prediction and Remediation of Water Quality in Monitoring Potential of Acid Mine Drainage

Nur Athirah Mohamad Basir — 2019-05-24

American Journal of Engineering and Applied Sciences, Published online: 24 May 2019; doi:10.3844/ajeassp.2019.173.184

Acid Mine Drainage (AMD) associated with both active and abandoned mining operations related to sulfide minerals, oxidation of pyrite affording an acidic solution that contains toxic metal ions. Resul...

Development of Ionizing Radiation Sensors Based on Carbon Nanotubes

Kenneth Fontánez — 2019-05-29

American Journal of Engineering and Applied Sciences, Published online: 29 May 2019; doi:10.3844/ajeassp.2019.185.192

SWNTs have been efficiently grown on patterned substrates, for its subsequent application to the development of ionizing radiation sensors. SWNTs before and after exposure to X-rays were characterized...

Toxicology of Nanomaterials on Zebrafish

Jimmy De León — 2019-05-29

American Journal of Engineering and Applied Sciences, Published online: 29 May 2019; doi:10.3844/ajeassp.2019.193.203

Increases in the use and the progressive manufacture of new Engineered Nanomaterials (ENMs) lead to inquire about their impact on the environment. Due to the small size, high reactivity inside organis...

Dynamic Reliability Analysis of Steel Moment Frames Using Monte Carlo Technique

Majid Mahjoor Lotf Aabadi — 2019-06-17

American Journal of Engineering and Applied Sciences, Published online: 17 June 2019; doi:10.3844/ajeassp.2019.204.213

Designing of structures is the function of operation of them. However, operation of the structures depends on different uncertainties. In practical cases, uncertain parameters are simplified and formu...

Using Lean Six Sigma to Increase Efficiency of a Grain Receipt Process of a Brazilian Agroindustry Cooperative

Seiti Moraes Sakumoto — 2019-06-17

American Journal of Engineering and Applied Sciences, Published online: 17 June 2019; doi:10.3844/ajeassp.2019.214.226

Due to the competitiveness of companies to increase market share, they have been more and more interested in topics related to cost reduction, process efficiency, new customers and continuous improvem...

Evaluation of Fire Effects on Reinforced Concrete Columns Using Finite Element Method

Sajjad Sayyar Roudsari — 2019-06-20

American Journal of Engineering and Applied Sciences, Published online: 20 June 2019; doi:10.3844/ajeassp.2019.227.235

In this paper, four different Reinforced Concrete (RC) columns are analyzed with Finite Element (FE) ABAQUS software and validated experimentally. One of the RC columns, the control specimen, is subje...

Performance Comparison of Passive Fault Tolerant Control Strategy with PI and Fuzzy Control of Single-Tank Level Process with Sensor and System Fault

Himanshukumar R. Patel — 2019-06-24

American Journal of Engineering and Applied Sciences, Published online: 24 June 2019; doi:10.3844/ajeassp.2019.236.246

Fault-Tolerant Control (FTC) strategy has gain maximum attention in recent years in chemical industries due to economical and safety hazards perspective. Targeting at the decreasing control performanc...

Mapping of Temperature Trend Slope in Iran′s Zayanderud River Basin: A Comparison of Interpolation Methods

Ali Zahraei — 2019-06-26

American Journal of Engineering and Applied Sciences, Published online: 26 June 2019; doi:10.3844/ajeassp.2019.247.258

The spatial distribution of daily, nightly and mean temperature trend in Iran′s Zayanderud river basin was carried out in this study by applying three approaches of interpolation including Inverse D...

Pre-Reinforcement Sprinkle FRP for Reinforced-Concrete Beams against Earthquakes, FRP: Consumption in Civil Engineering

Moein Zargar — 2019-06-26

American Journal of Engineering and Applied Sciences, Published online: 26 June 2019; doi:10.3844/ajeassp.2019.259.269

Nowadays, the reinforcement is used by green concrete, coated steel sheet, reinforcement, fiber reinforced such as carbon, aramid, and glass as earthquake reinforcement methods for concrete structures...

Trace of Salinity of Sodium Chloride with Outcome on Enhancement Features of Herbage

Sona Pazdar — 2019-06-26

American Journal of Engineering and Applied Sciences, Published online: 26 June 2019; doi:10.3844/ajeassp.2019.270.278

Salinity has a variety of salts, one of which is salinity of sodium chloride. Different plants react differently to salinity and their performance will vary according to their resistance, which after ...

Effect of Deploying the Flow Guide Vane in Upstream of Triangular Duckbill Weirs on the Efficiency of this Type of Weir in Laboratory Conditions

Sayedeh Zahra Hosseini-Teshnizi — 2019-06-27

American Journal of Engineering and Applied Sciences, Published online: 27 June 2019; doi:10.3844/ajeassp.2019.279.289

One of the effective ways for the flow of water in low head water conditions is using triangular duckbill weirs. Regarding the high efficiency of these weirs in higher rate of flow discharge in consta...

Spatial-Temporal Analysis of Temperature Trend and its Possible Effects on Water Resources and Water Uses in Climatic Zones of Iran's Zayandehrud River Basin

Ali Hasantabar-Amiri — 2019-06-27

American Journal of Engineering and Applied Sciences, Published online: 27 June 2019; doi:10.3844/ajeassp.2019.290.308

The minimum, moderate and maximum temperature trends at seasonal time scale in 5 climatic zones using 37 meteorological stations in Zayandehrud river basin was studied regionally and the relationship ...

Removal of Coliform Content in Sewage Treatment Plant Using a Sand Filtration System with Potassium Permanganate Powder

Sona Pazdar — 2019-06-27

American Journal of Engineering and Applied Sciences, Published online: 27 June 2019; doi:10.3844/ajeassp.2019.309.318

Reuse of refined sewage with two goals of providing more water and protecting the environment from pollution is one of the solutions to water supply problems and one of the potential sources for irrig...