background and purpose: the status of medicinal plants in iranian traditional medicine and rich existence of herbal sources, on one hand, and current problems in curing infections, on the other hand, are the factors to study medicinal plants more accurately. tarragon (artemisia dracunculus l.) is a herbaceous plant from asteraceae family, available in planted and farming forms in iran. this stu...

Ge thermal diffusion is not only the phenomenon limiting decomposition and crystallization of Ge-rich GeSbTe alloys but also responsible for some failures phase change memory devices using them. However, in canonical Ge2Sb2Te5 (GST-225) or (GGST) has been little studied experimentally. For these reasons, we have designed set up a series experiments aimed at highlighting studying this within sol...