If antibiotics are classified according to the method of their production, then semisynthetic compounds are at the junction of natural products and synthetic antibiotics, since both in vivo and in vitro processes are involved in their production (Figure 2). At the same time, antibiotics obtained as...
The grid-tied inverter plays a vital role in the energy conversion and control of the PV (photovoltaic) system [1]. With the proliferation of grid-tied PV generation and other distributed generation, the contribution which such generation can make to grid stability has come into sharp focus. ...