The phrase "also proved useful when" is correct and usable in written English.
You can use it to indicate that something was beneficial or helpful in a specific situation or context.
Example: "The new software update also proved useful when managing large datasets, improving efficiency significantly."
Alternatives: "was also helpful when" or "also came in handy when".
Thinness also proved useful when the 10 sensors were sewn on the glove's fingers and wrist.
The refrigerator also proved useful when the research center was conducting studies on hormone replacement therapy for menopausal women.
His human rights expertise also proved useful when he supported the incorporation of the European convention on human rights into UK law.
The ability to review experimental results with respect to known functional information has also proved useful when investigators need to select a subset of proteins to analyse in greater depth in order to identify new sets of biomarkers for a certain disease.
You'll be able to use them for craft tips most importantly, but they'll also prove useful when it comes time to meeting agents.
The team hope the skills gained by volunteers will also prove useful when applied to their own archives, be they documents linked to local history or family genealogy.
Dr. Gagnon says the app will also prove useful when he wants to give physicians at other hospitals rapid access to images for immediate decisions.
Understanding isotope systematics has also proven useful when investigating the effect of human activities on the environment.
Due to the complexity of a general nonlinear market model, it is unlikely that the martingale technique underpinning the FTAP in the linear setup will also prove useful when working within the general nonlinear framework (see, however, Pulido (2014) who established the FTAP for a very special, and hence tractable, case of a nonlinear market with short sales prohibitions).
That proved useful when he headed in the third goal off a cross from Fábio Coentrão.
This facility proved useful when, in the midst of bombardment, exploding shells drowned out voice communication.
