RBF neural network based backstepping terminal sliding mode MPPT control technique for PV system.

The energy demand in the world has increased rapidly in the last few decades. This demand is arising the need for alternative energy resources. Solar energy is the most eminent energy resource which is completely free from pollution and fuel.

Accidental intrathecal administration of high dose diamorphine.

A case of accidental administration of high dose intrathecal diamorphine is reported in a patient who underwent total knee replacement. Initially a regional technique was planned for this patient, but due to inadvertent administration of three milligrams of diamorphine intrathecally, it was decided to convert the patient to have a general anaesthetic. Postoperatively, she was monitored in high dependency unit for 48 hours.