There are three main types of volcano-composite or strato, shield and dome. Composite Volcanoes. Composite volcanoes, sometimes known as strato volcanoes, are steep sided cones formed from layers of ash and [lava] flows. The eruptions from these volcanoes may be a pyroclastic flow rather than a flow of lava.
A vagal episode or vasovagal response or vasovagal attack (also called neurocardiogenic syncope) is a malaise mediated by the vagus nerve. When it leads to fainting, also known as a syncope, it is called a vasovagal syncope, which is the most common type of fainting.
The term âlyophilizationâ. describes a process to produce a product that. âloves the dry stateâ [2]. PRINCIPLE. The main principle involved in freeze drying is a. phenomenon called sublimation, where water. passes directly from solid state (ice) to the vapor. state without passing through the liquid state.