The phrase "dissertation work" is correct and usable in written English.
You could use it when referring to the research work you are doing for your dissertation. For example, "I've been focusing most of my time and energy on my dissertation work this semester."
Noether earned a Ph.D. in 1907, having focused her dissertation work on algebraic invariants.
In his dissertation work, Father Greeley tried to help answer controversial questions by gathering better data.
Frank was a masterful trader with particular focus in the grain markets extending back to his Ph.D. dissertation work at Princeton University.
Mr. Friedman's first book on Buber, adapted from his doctoral dissertation at the University of Chicago, was enhanced by a personal relationship that began in 1950 with a letter he wrote to Buber about his dissertation work.
He was a 29-year-old graduate student in 1979, with an office that overlooked the San Francisco Bay, when he abruptly dropped his dissertation work and left the University of California, Berkeley, to return home, where revolutionary clerics were overthrowing the shah's American-backed government.
Shapiro boasts the unusual distinction among graduate students of having his dissertation work challenged in court on the creative grounds that it constitutes a dangerous "mosaic" of individually legal parts that, were it released, could "significantly and irreparably damage national security", in the words of the FBI.
The project served as an umbrella for multiple studies that led to an impressive number of MA theses, PhD dissertations, working papers and journal articles (which are all listed in the appendix).
In other words, provide a short discussion of the source material, whether it's the diaries of a famous historical figure for a history dissertation, a work of literature, a piece of music, or a great work of art.
His dissertation research work, carried out under the supervision of Karl Herzfeld, was on the "Theory of the Dispersion and Absorption of Helium".
It would be difficult, even in a dissertation-length work, to generalize about the reasons why artists use food in this way but one supposition might be that food is a nexus of just about everything: socioeconomics, environment, public health, aesthetics, and ethnicity.
For her doctoral dissertation, Engel worked under the direction of Olshan and collaborated with David Savitz of UNC-CH and Stephen Chanock, an investigator at the National Cancer Institute, to confirm that some known combinations of polymorphisms in cytokines increase the risk of spontaneous preterm birth; the team also identified others that had not been previously studied.
