Volume 14, Issue 3 (2021) | American Journal of Engineering and Applied Sciences

Reduction of Radiation Effects in Biomedical Imaging Detectors by Technology Change

Essesse Songa Auguste — 2021-07-17

American Journal of Engineering and Applied Sciences, Published online: 17 July 2021; doi:10.3844/ajeassp.2021.364.370

Silicon is a preferred material in the design of medical imaging detectors. It enables reliable and inexpensive detectors to be produced. However, the operation of this material is compromised when ir...

Evaluation of a Refrigeration System Based on Nano-Refrigerants and Nano-Lubricants

HudaElslam A. S. Mohamed — 2021-08-12

American Journal of Engineering and Applied Sciences, Published online: 12 August 2021; doi:10.3844/ajeassp.2021.371.382

Most of studies reported that disperse nanoparticles into refrigerants and lubricating oils lead to improve a coefficient of performance, due to improvement of thermal physics properties of a pure flu...

One can Achieve the Nuclear Fission Reaction of Lithium by Accelerated Hydrogen Nuclei or Neutrons

Relly Victoria Virgil Petrescu — 2021-09-07

American Journal of Engineering and Applied Sciences, Published online: 7 September 2021; doi:10.3844/ajeassp.2021.383.397

The idea circulated among physicists that in the upper area of the physical elements the fission reaction can be obtained and in the lower one the fusion reaction occurs. In the presented paper we wan...

Thermal Characterization of an Eco Conce Based on Lateritic Gravel, Millet Pods and Cement

Djossou Ayihaou Armand — 2021-09-16

American Journal of Engineering and Applied Sciences, Published online: 16 September 2021; doi:10.3844/ajeassp.2021.398.408

To simultaneously meet the need of thermal confort and living environment protection, vegetable biomass valorisation in building sector is of particular importance. In this context, the main objective...

Improve the Consumption of Cement and Sand in Massive Concrete

Kaveh Ostad-Ali-Askari — 2021-11-01

American Journal of Engineering and Applied Sciences, Published online: 1 November 2021; doi:10.3844/ajeassp.2021.409.429

The massive concretemixing plan is very important due to its large volume of use in concrete dams.Productivity can be increased in dam manufacturing industry by adopting asuitable method for mixing ma...

Investigating the Effect of Intangible Factors (Human, Communication, Organizational, Information) on Brand Equity Case Study: Hotels in Isfahan

Kaveh Ostad-Ali-Askari — 2021-11-01

American Journal of Engineering and Applied Sciences, Published online: 1 November 2021; doi:10.3844/ajeassp.2021.430.435

The purpose of this study is to investigate the effect of evaluating the intangible factors (Human, Communication, Organizational and Information) on brand equity in hotels in Isfahan. A based researc...