"needed to be performed" is correct and usable in written English.
It is similar to the phrase "had to be performed" and is used when referring to something that must be done. For example, "Maintenance on the car was needed to be performed every 5,000 miles."
Some system limitations and some corrections that needed to be performed will also be presented.
Since this documentation is written in natural language, ensuring its quality so far needed to be performed manually.
However, the report noted that further studies needed to be performed to determine whether hip resurfacing conferred true advantages over standard hip replacement.
However, due to constraints in the vector structures, barcode analyses of cell populations transduced with each module needed to be performed independently in each lane of a next-generation sequencer, creating an obstacle to high-throughput experiments.
Results show that structural idealization is an efficient technique for reducing computational costs in terms of probabilistic analysis, especially when hundreds or thousands of simulations are needed to be performed.
To limit the number of models and experiments that needed to be performed, a Design of Experiments (DOE) approach was used to investigate the relationship between the process inputs and outputs (weld responses).
But it was the political message of the piece - the themes of political disenchantment, betrayal by Tony Blair, poverty, gentrification and the plight of the working class – that convinced Lewis that Wright's politically charged words needed to be performed in parliament itself.
In terms of therapy complications, our model takes into account device revisions that needed to be performed in CH-1.
It also needed to be performed within a clinically acceptable timeframe, which directly related to realistic expectations of patient tolerance.
This was the most time consuming part of our study since (1) and (2) needed to be performed in tandem.
Thus, additional experimental tests are needed to be performed by imposing displacement paths representative of the displacements actually imposed by earthquakes.
