By applying the exact Stirling formula and the exact function , the occupation number of particles was calculated based on the statistics of Boltzmann distribution for a finite number of particles n. The exact analytical expression of occupation number of particles (ni) is found...
Open access
Research Article10.9734/jmsrr/2019/v2i259
This review describes some nano-technological applications concerning the corrosion incidence and protection of steel pipelines mainly used in the petroleum sector. These techniques play a major role in producing anti-corrosion coatings which enhances metal durability with high a...
Open access
Research Article10.9734/jmsrr/2019/v2i257
In this paper, a ferroelectric structure consisting of barium stannate titanate piezoelectric ceramic is used for mathematical modeling. The study of the dynamics of the structure requires the poling process that makes the ceramic active. This may be explained by the time-depende...
Open access
Research Article10.9734/jmsrr/2019/v2i258
Superconductors, perhaps a mirage in the eyes of most chemists for many years, was pushed to the forefront of chemical interest with the synthesis and characterization of the first ‘’high - temperature’’ superconductor (Sr-doped La2CuO4 or 2-1-4) in 1986. The first superconductor...
Open access
Research Article10.9734/jmsrr/2019/v2i22
This study seeks to obtain data about electric and optical properties of ZnSe/SiO2 composite films for Photovoltaic Applications, for this purpose ZnSe nanoparticles established in [Si O2] thin films were prepared by sol-gel method using zinc acetate dihydrate [Zn (CH3 COO)2 .2H2...
Open access
Research Article10.9734/jmsrr/2019/v2i256
ZnO transparent conductive films were deposited on glass substrates at C by chemical Spray Pyrolysis Technique (CSPT). Also, the study investigated the impact of annealing of zinc oxide pieces with the rise in thickness. The structural and optical characteristics of the deposited...
Open access
Research Article10.9734/jmsrr/2019/v2i25
The parameters of complex non-furnace treatment of liquid blast furnace cast iron with pulsating inert gas injection are elaborated. The new technology makes possible a significant increase in the operational resistance of reusable metallurgical equipment (molds, pallets, slag ch...
Open access
Research Article10.9734/jmsrr/2019/v2i23
Fibers extracted from Roselle (Hibiscus sabdariffa) stem were investigated as starting raw materials for textile industries, bio-packaging material, pulp and paper products, particle boards and composite material applications. Two extraction methods for obtaining bast fibres from...
Open access
Research Article10.9734/jmsrr/2019/v2i24
Copper Zinc Sulphide (CuxZn1-xS) thin films were prepared and deposited using metal organic chemical vapour deposition (MOCVD) technique. The films were studied using Rutherford backscattering (RBS) spectroscopy for elemental composition and thickness, X-ray diffraction (XRD) for...
Open access
Research Article10.9734/jmsrr/2019/v2i21
A new type of thermal barrier coating must be developed to protect the underlying metallic components from higher operating temperatures in order to enhance the fuel efficiency of the gas turbine engine. Yttria stabilised zirconia (YSZ) is a conventionally used top coat material...
Open access
Research Article10.9734/jmsrr/2019/v2i139