The role of the supervisor. Although a dissertation is an opportunity for you to work independently, you will usually be allocated a member of academic staff as a supervisor. Supervisors are there to help you shape your ideas and give you advice on how to conduct the research for your dissertation.
The TN device consists of the twisted nematic liquid crystal confined between two glass substrates with homogeneous planar orientation: the orientation of the director n on one substrate is rotated by 90 o with respect to n on another substrate.
Twisted bowel or volvulus implies an abnormal looping and twisting of the intestine (small or large), resulting in bowel obstruction. Such obstruction hampers intestinal blood supply, and may lead to death (necrosis) of the gut tissue.wisted bowel syndrome is characterized by abnormal intestinal twisting, and arises due to dietary factors, abnormal peristalsis, abdominal adhesions, etc.