The phrase "are key during the" is correct and usable in written English.
It can be used to emphasize the importance of something in a specific context or timeframe.
Example: "Effective communication skills are key during the negotiation process to ensure a successful outcome."
Alternatives: "are essential throughout the" or "play a crucial role in the".
As with hair color, communication is key during the creation of couture teeth, since the idea of "natural" varies widely.
The really big issue here, and this will be key during the debates before and at the annual meetings of the IMF and World Bank in Washington this weekend, is that economic power is now with the emerging economies.
Though genetic data has identified hnRNPs and other cytoplasmic proteins to be key during the transport process, for many their specific roles remain unknown.
Each aspect of drug bioavailability is key during the drug discovery process [3], therefore if adequate solutions to low bioavailability are not devised, further development of a drug candidate is unlikely.
Liaison with security forces was key during the crisis to enable essential movement of health workers during curfew hours.
But having this help has been key during this illness.
This indicates that the biological conversion and detoxification of inhibitors are key aspects during the adaptation step.
Importantly, mouse models of Listeria infection have demonstrated a clear role for NK cells and APCs in the control of disease where chemokine signaling networks are key components during the crosstalk that leads to effective immunity.
While overall N leaching from planted forests is lower than from other major land uses, there are key times during the forest rotation when N leaching may occur, particularly in forest planted on fertile pasture land.
While nitrogen leaching from planted forests is normally less than from other major land uses, there are key times during the forest rotation when nitrogen leaching may occur, particularly in forests planted on coastal sands or pasture land.
