fibrillation is a hazardous phenomenon in cardiac muscle and so any new work towards the understanding of this process is important to the development of new methods in diagnosis and therapy. in this work we have used surface and intra cardiac ecgs of patients with chronic atrial fibrillation (af). by means of the blind source separation (bss) algorithm, which is a well-known method in signal p...

SYNOPSIS This paper details an assessment of stemming practices at a South African opencast coal mine and their influence on ground vibration air blast. Quantitative qualitative analysis methods were used for the study. The parameters assessed quantitative analyses included length, material type, blast-hole depth, burden, spacing. Pre-blast data from was analysed to determine deviation between ...

The Yogyakarta earthquake in 2006 caused damage several areas, especially the area of Klaten Regency. As a result, many infrastructures, houses, health facilities and casualties have been damaged. research was conducted with target knowing level earth's hazard by microzoning soil vulnerability areas Bayat District, Klaten, Central Java. This study used microseismic method HVSR (Horizontal to Ve...