Wheat straw ash (WSA) was investigated as a new catalyst in biodiesel production from sunflower oil. The characterized by temperature-programmed decomposition, X- ray powder diffraction, Hg porosimetry, N2 physisorption, and scanning electron microscopy - energy dispersive X-ray spectroscopy methods. methanolysis reaction tested the temperature range of 55?65?C, loading 10?20 % oil weight, meth...

The need for ambient gaseous ammonia (NH(3)) measurements has increased in the last decade as reactive NH(3) concentrations and deposition fluxes show little change even with tightening standards on nitrogen oxides (NO(x)) emissions. Currently, there are several networks developing methods for adding NH(3) measurements in the U.S. Gaseous NH(3) measurements will provide scientists and policymak...

Lignite coal fly ash (FA) from a domestic thermal power plant was converted into pure cancrinite zeolitic material (ZMFA) using novel, custom-made, rotating autoclave reactor system by short-term alkali activation process. The obtained ZMFA used as catalyst support of calcium oxide an active component derived waste chicken eggshells (ES). supported (xCaO/ZMFA) synthesized means the ultrasound-a...

The Bacillus subtilis mrp (multiple resistance and pH) operon supports Na(+) and alkali resistance via an Na(+)/H(+) antiport, as well as cholate efflux and resistance. Among the individual mutants with nonpolar mutations in each of the seven mrp genes, only the mrpF mutant exhibited cholate sensitivity and a cholate efflux defect that were complemented by expression of the deleted gene in tran...

The effects of inspiratory muscle (IM) warm-up on IM function and on the maximum distance covered in a subsequent incremental badminton-footwork test (FWmax) were examined. Ten male badminton players were recruited to perform identical tests in three different trials in a random order. The control trial did not involve an IM warm-up, whereas the placebo and experimental trials did involve an IM...

Introduction: Computed tomography (CT) has numerous applications in clinical procedures but its main problem is its high radiation dose to the patients compared to other imaging modalities using x-ray. CT delivers approximately high doses to the nearby tissues due to the scattering effect, fan beam (beam divergence) and limited collimator efficiency. The radiation dose from multi-slice scanners...