ahmed_hemaid

Ahmed Mahmoud Mostafa Elsayed Hemaid

Teadching-Assistant - مدرس مساعد

Faculty Of Archaeology

Address: Sohag University, Faculty of Archaeology, Department of Conervtion

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 Ahmed was born in Sohag, Egypt in 1984.He received the M.S. degree in restoration and conservation of metallic monuments from Sohag University, Sohag, Egypt, in 2013. He is currently pursuing the Ph.D. degree in materials science with the Politecnico di Torino, Turin, Italy. He is also an Assistant Lecturer with the Restoration and Conservation Department, Faculty of Archaeology, Sohag University. His current research interests include plasma uses in conservation, coating deposition, corrosion and protection of metallic materials, Nanomaterials, and conservation of the cultural heritage.

Microstructural and morphological characterisation of ancient bronze coins from the archaeological site of Al-Fustat city in Egypt

2018-10-22 19:54:07 | Keywords morphological characterisation, bronze coins, Microstructure, Corrosion,
Microstructural and morphological characterisation of ancient bronze coins from the archaeological site of Al-Fustat city in Egypt
This paper deals with the microstructural and morphological characterization of some ancient bronze coins excavated in the Al-Fustat archaeological site. Al-Fustat is the first capital of Egypt in the Islamic civilization. It was built by Amr Ibn Al-As in the year 641 AD on the east bank of the Nile and replacing ancient Memphis to the west. In the ancient ... Read more

Synthesis and Characterization of Nano-Tungsten Oxide Precipitated onto Natural Inorganic Clay for Humidity-Sensing Applications

2018-10-21 17:11:46 | Keywords Nano-Tungsten Oxide, Humidity sensing, nanoparticles,
Synthesis and Characterization of Nano-Tungsten Oxide Precipitated onto Natural Inorganic Clay for Humidity-Sensing Applications
wet chemical method was used to obtain tungsten oxide nanoparticles from tungsten tetrachloride and natural microfibrous inorganic clay (sepiolite) as a starting material. Precipitation of tungsten oxide species onto sepiolite under basic conditions and subsequent thermal treatment was investigated, prompted by the abundance of sepiolite in nature and the useful environmental applications that could be attained. Laser granulometry, X-ray diffraction, ... Read more

Atmospheric corrosion assessment of Cu nanostructured thin film

2018-10-21 20:14:08 | Keywords Atmospheric corrosion, Cu nanostructured, Accelerated aging, atmosphere aggressiveness,
Atmospheric corrosion assessment of Cu nanostructured thin film
The study deals with the assessment of the atmospheric corrosion behaviour of Cu nanostructured thin films to investigate their corrosion susceptibility in comparison to bulk copper. Final goal is to evaluate the feasibility of employing Cu nanostructured thin films as reference material to assess the atmosphere aggressiveness in museum indoor environments [1]. Cu nanostructured thin films have been deposited on ... Read more

Determination of the Level of Organophosphorous Pesticides in Tomato Using GC-MS/MS and the Concentration of Some Heavy Metals Using FAAS

2018-10-21 17:22:23 | Keywords Heavy metals,
Determination of the Level of Organophosphorous Pesticides in Tomato Using GC-MS/MS and the Concentration of Some Heavy Metals Using FAAS
Pesticides are commonly used in vegetation activities. Great attentions are paid by governments, health organizations, as well as many other institutions to the issue of food contamination caused by pesticides due to their dangerous impacts on public health [1]. Finding an efficient, economical and reliable method for studying these chemicals can help minimize the risks on our health [2]. To ... Read more

Wireless Sensor Network for Distributed Environmental Monitoring

2018-10-21 16:57:24 | Keywords Environmental monitoring, hist, quality assurance, Museum microclimate, restoration,
Wireless Sensor Network for Distributed Environmental Monitoring
ENVIRONMENTAL MONITORING IS EXTREMELY IMPORTANT TO ENSURE A SAFE AND WEALTHY LIFE OF BOTH HUMANS AND ARTIFACTS. MONITORING REQUIREMENTS ARE EXTREMELY DIFFERENT DEPENDING ON THE ENVIRONMENT, LEADING TO AD HOC IMPLEMENTATIONS THAT LACK FLEXIBILITY. THIS PAPER DESCRIBES AN IMPLEMENTATION THAT CAN BE ADAPTED TO MANY DIFFERENT APPLICATIONS AND EMBEDS THE FLEXIBILITY REQUIRED TO BE DEPLOYED AND UPGRADED WITHOUT THE NECESSITY ... Read more

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