Sentence examples for are usually needed for from inspiring English sources

A large number of cells are usually needed for these purposes.

Saturation exponents, along with resistivity log data, are usually needed for evaluating the initial saturation of a hydrocarbon reservoir.

Consequently, background depletion and virome enrichment techniques are usually needed for clinical samples where viral load is much lower than background sequences.

However, the reliability and accuracy of analytical models is reduced by the significant assumptions and simplifications that are usually needed for the problem to be analytically treatable.

High-density QD-based structures are usually needed for devices like lasers and solar cells [1 5], while low-density QD-based structures are preferred for devices such as single-photon sources [6].

Longer contact periods are usually needed for high removal rates which may reach 180 min (Guo et al. 2008; Argun and Dursun 2008; Witek-Krowiak et al. 2011; Coelho et al. 2014; Meneghel et al. 2013a; Rubio et al. 2013a).

Specialized equipment is usually needed for remote monitoring of blood pressure or heart rate, for example.

However, sample cutting is usually needed for high-resolution observations, which prevents the observer from obtaining information about morphology changes during fuel cell testing.

That is the first stage on the road to sainthood, although recognition of a second miracle is usually needed for the process to be completed.

However, prolonged contact is usually needed for infection to occur.

Therefore, bone graft is usually needed for the placement of implants in the molar area of the maxilla.