The phrase "an aspect which" is correct and usable in written English.
It can be used when introducing a specific feature or characteristic of a subject being discussed.
Example: "One important aspect which we must consider is the impact of climate change on biodiversity."
Alternatives: "a facet that" or "a feature which".
Chris Bianchi, Lucy Tuck and Tom Wainwright take the lion's (wolf's?) share of the acting while Will and Benji Bower provide the live music – an aspect which has become something of a trademark of Cookson's productions.
This is mostly intentional as we only get small fragments of each characters story, an aspect which worked very well but the main thread of the girl who can't wake up ends up feeling pointless; magical realism is a difficult thing to pull off and he usually does it well but it doesn't fit with anything else and his cinematic storytelling doesn't work either.
The studies provide a method for selecting a blade design for a powder processing system, an aspect which has been empirical to date.
We will then develop an aspect which is perhaps a core element of suicide: Narcissistic wounds and this mainly based on Grunberger's theory.
Particular focus is directed towards the comparisons between the 0-D and 2-D modelling results, an aspect which has not been reported previously.
In each chapter Strawson focuses on a philosophical dispute in which there is a strong tendency to deny the reality or existence of an aspect which common sense affirms.
Fair enough, but as I found my feet I was also interested in starting to learn their language--an aspect which was very important to me and in my opinion makes the difference between feeling a welcome guest in a foreign country or a recognised member of the society.
This article focuses on the mechanism of evaluating solution neighborhoods, an algorithmic aspect which plays a crucial role on the efficiency of local-search based approaches.
This paper identifies understandability of design notations as an important aspect which calls for an experimental comparison.
Holbein's portraits have an English aspect, "which suggests that there is something in the soil or air or atmosphere of England which impregnates even a foreign genius".
