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 is caused when the natural shape of the intestines has changed or a section of the intestines overlap. The bowel is a layman's term for the portion of the alimentary canal in the intestine. This area extends from the pyloric sphincter of the stomach down to the anus. twisted bowel is caused when the intestines fold over themselves. In some cases, they will untwist on their own, but many cases will require medical intervention. Infants born with twisted bowel or an intestinal malrotation are more likely to develop twisted bowel later in life.