The part of sentence "knowledge is accumulated" is correct and usable in written English.
You can use it in any situation that requires describing the process of gaining knowledge through experience and study. For example, "With time, knowledge is accumulated as people engage in more complex activities."
You only have until Sunday to catch Third Angel and Mala Voadora's What I Heard About the World at Northern Stage at St Stephens, a wonderfully quirky consideration of how knowledge is accumulated, how we see the world and how we might change it (though drinking a litre of seawater, one of the suggestions aired in the show, is unlikely solve the problem of rising sea levels).
This approach allows for continued evolution of the gene nomenclature system for rice as new technologies are developed and new knowledge is accumulated.
A slight but steady increase in tempo over the course of this phase is consistent with learning, perhaps as continued play sheds more light on the opposing team's capabilities and weaknesses, causing a progressive increase in scoring rate as that knowledge is accumulated and put into practice.
It was suggested that as more, and more complex, knowledge is accumulated over successive generations, it will become increasingly time-consuming and difficult for each new generation to successfully acquire this accumulated knowledge.
However as more biological knowledge is accumulated and deposited into databases such as TRANSFAC[38] and JASPAR[39], we believe that TRANSMODIS will find more applications in the future.
Beshah (2003) argues that knowledge is accumulated through utilization, mostly in the form of concrete experiences.
Knowledge is accumulating from studies of permanent plots before and shortly after clear-cutting, but for later stages only comparative studies have been published (space-for-time substitutions).
Knowledge is accumulating at a frantic pace, linking these new players to essential biological processes (e.g. cell pluripotency and development) and also to cancerogenesis.
While firm knowledge is accumulating about the symbiont-mediated interactions between given host species and their environments, the possibility that endosymbionts may influence the organization of communities composed of several competing host species has so far been seldom investigated.
However, knowledge is accumulating regarding the molecular machinery of these parasites and the host immune response can be used to change our paradigms and develop new strategies for the treatment and control of these diseases.
Consolidated knowledge is accumulating as to the role of epigenetic regulatory mechanisms in the physiology of vascular development and vascular tone as well as in the pathogenesis of cardiovascular disease.
