The elution of lead from vermiculite was investigated by using a novel biodegradable chelating reagent, L-asparagic-N,N-diacetic acid (ASDA) and water soluble d
On the basis of previous theoretical inferential relationship between the columnar crystal spacing and the density of electric current applied during unidirecti
After measuring arc electrical current density distribution in gas tungsten-arc welding(GTAW) with a probe method, the new expression of body force and model of