"in this dissertation" is correct and usable in written English. You can use it when referring to a longer piece of work such as a thesis or research paper. For example, "In this dissertation, I explore the concept of x and analyze its implications in y context.".
Requirements of public transit information in China were surveyed in this dissertation.
The primary objective of publications, summarized in this dissertation, was to determine the cost-effectiveness of acupuncture treatment in addition to routine care compared to routine care on its own.
Therefore the measurements presented in this dissertation represent the thickness of the pre-corneal tear film in the region which was covered by the light source.
He wrote this dissertation in accordance with the demand of Ma 'mun the caliph of the time.
This dissertation, completed in 1935 and first published in 1937, earned him a PhD in anthropology from Munich University.
So it is in this 1898 dissertation that Moore turns decisively against idealist philosophy, both in its Kantian and Bradleian forms.
SS analyzed data and published this dissertation, which was helpful in preparing the final paper.
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Retail Lead Linguist @ Apple Inc.