The extraction of Niobium through different extraction processes is reviewed in this paper. On the commercial scale the solvent extractants have been employed for the extraction of Niobium in the pres ... Read More

Catalysts play important rule in order to enhance the efficiency of the chemical processes. Catalysis being surface phenomena, catalytic activity mainly depends upon their total available surface area ... Read More

Magnesium oxide nano particles have been used to catalyze the composite propellant material based on hydroxy terminated polybutadiene (HTPB) and ammonium perchlorate (AP). Thermal decomposition and th ... Read More

Atmospheric entry is a critical phase for mission that seeks to return astronauts or scientific payloads back to Earth or explore the surface of a planet with an appreciable atmosphere. This paper pre ... Read More

In this study, the kinetics of free radical polymerization of styrene initiated by benzoyl peroxide in polar solvent are described. A model was developed  based on set of   elementary reactions by mas ... Read More

Advancement in nanotechnology and its impacts have raised concerns about the application of engineered nano-materialsin agriculture and environment, especially on plants. In this work, the effects of ... Read More

Abstract. Yaw/spin motion is one of the crucial parameter for three degrees of motion for railway vehicle wheelset for analyzing proper concerned dynamics and modeling. Perturbation is the cardinal pr ... Read More