The phrase "are needed to select" is correct and usable in written English.
It can be used when discussing requirements or criteria necessary for making a choice or decision.
Example: "Several factors are needed to select the best candidate for the job."
Alternatives: "are required to choose" or "are essential for selecting".
Because not all of the bioassay data are relevant or useful for a particular type of toxicity, additional rational selection steps are needed to select useful information from the bulk of available big data.
As BurA1 and BurE1 were detected in soil fields from various sites that were not exposed to any contaminants (Hien, personal communication), it appears that no antibiotic or anthropic selective pressures are needed to select antibiotic resistance among S. maltophilia strains.
Molecular diagnostics are needed to select animal models and patients that are the most appropriate for assessing the activity of the particular agent.
In fact, surface and interior temperature, day night variations, onset of activity, percentage of active surface, intensity of different gas and dust fluxes are needed to select safe orbits around the comet and to optimize the scientific return.
More studies are needed to select the best electrode which can be transformed in a robust and versatile electrode which could be used for checking in line all dry-cured ham elaborated.
Positive (MC) and negative (non-MC) samples are needed to select features.
A well-conducted factorial study is needed to select the most adapted system.
He said it was needed to select the team as well as carry out preliminary work, such as talking to the police and several of the scientists involved.
Last month the Nassau Republicans bent over backward to select a county executive nominee without a primary ["The Elephant Learns to Skip Rope," June 3], while many Nassau Democrats bemoan the likelihood that a primary will be needed to select their nominee.
Therefore an efficient trigger strategy is needed to select the few percent of the incoming events containing the most interesting signatures.
In Swiss lowlands we did not reveal the association of indicator lichens tested to autochthonous forest stands and thus further research is needed to select an effective set of lichen indicators for such lowland forests.
