The present study is a combined research because it uses qualitative and quantitative methods in order to collect and analyze data by identifying indices and indigenous components of professional competence of hotel, oil ...

In the present work, synthesis and DFT study of 2-(4-fluorophenyl)-5-phenyl-1,3,4-oxadiazole is reported. The 6-311++G (d,p) basis set was used to optimize the molecular structure of the title compound using the DFT/B3LYP ...

A green synthesis of gold nanoparticles (GNPs) was accomplished by aqueous medium of the Tribulus terrestris (T. terrestris)extract, without the addition of any external chemical reducing agent. Several factors such as pH ...

A magnetically separable catalyst n-butylpyridinium tetrachloroferrate ([C4py]FeCl4) was designed for the removal of  trace olefins from aromatic hydrocarbons. The magnetic ionic liquid was prepared via a facile synthetic ...

The production of phosphoric acid in the world generates an enormous amount of a by-product named phosphogypsum (PG). A large quantity of this PG is stockpiled or dumped into environment, causing several environmental ...