The phrase "are needed to screen" is correct and usable in written English.
It can be used when discussing requirements or necessities for a screening process, such as in medical, security, or selection contexts.
Example: "Several tests are needed to screen potential candidates for the job."
Alternatives: "are required to evaluate" or "are essential to assess".
Resources are needed to screen, train and monitor volunteers.
Mathematical tools are needed to screen out sites where Joule Thomson cooling is a prohibitive factor for CO2 geo-sequestration and to design approaches to mitigate the effect.
Better algorithms are needed to screen women who have a low risk for trisomy 18. (Am J Obstet Gynecol 2002 187:12002 187
Moreover, the findings indicated that both mother-completed and child-completed measures are needed to screen adequately for behavioral or emotional problems of children seen in a primary care pediatric clinic.
When the ferroelectric polarization is pointed from top to bottom electrode, electrons are needed to screen the positive ferroelectric bound charges at the bottom electrode interface; thus, only the movement speed of electrons will affect the SET speed in the resistive switching process.
When the ferroelectric polarization is pointed from bottom to top electrode, oxygen vacancies are needed to screen the negative ferroelectric bound charges at the bottom electrode interface; thus, the movement speed of oxygen vacancies will restrict the RESET speed in the resistive switching process.
Similarly to the high acceptance group, respondents expressed surprise, and sometimes concern, about overdetection, and thought that more should be done to inform the public and that improvements are needed to screening and treatment.
Thus, a quick and easy method is needed to screen reservoirs for potential SP floods.
New technology could be needed to screen baggage, which would lead to increased fares for long-haul flights, he said.
So a stainless steel wall, punctuated by a few windows, is needed to screen it, Mr. Della Valle said.
Particularly in settings in which transgenic recombinants are used, a fast and reliable method is needed to screen for a defined H-2 background.
