Domestic microwave ovens as well as laboratory reactors have been successfully employed to prepare dialkyl 1,4-dihydropyridine-3,5-dicarboxylates and to induce the synthesis of the corresponding aromatic derivatives. In that latter particular case, unexpected results have been reported.

background : since milk is considered as one of the most common foods in human life, this research aimed to evaluate the quality of milk produced in traditional and industrial dairy farms of yazd province in 2007.   materials and methods : in this descriptive study, six farms were selected in the cities sadoogh, yazd and mehriz and sampling was performed in each of them bimonthly throughout one...

In this study, snapshots of operating frequency profiles of domestic microwave ovens were collected to reveal the extent of microwave frequency variations under different operation conditions. A computer simulation model was developed based on the finite difference time domain method to analyze the influence of the shifting frequency on heating patterns of foods in a microwave oven. The results...

aluminium matrix composites (amcs) materials are continuously displacing traditional engineering materials because of their advantages of high stiffness and strength over homogeneous material formulations. properties of amcs can be tailored to the demands of different industrial applications by suitable combinations of matrix, reinforcement and processing route. presently, several grades of amc...

It seems possible that Solid-State Radio Frequency (RF) transistors will one day replace magnetrons in consumer microwave ovens. These new ovens have the potential to be smaller and more energy efficient. Because they are closed loop systems, can precisely cook food ways consumers not seen before. This review outlines basics of RF systems currently available. There two approaches for this techn...

background & aim: identification, characterization and detection of medicinal plants chemical composition are very important for phytochemical scientific source. sumac is one of the medicinal plants in the world that uses for industrial and pharmacological application. in this study, chemical composition of rhus coriaria has been investigated. experimental: chemical composition of the matu...