Sentence examples for alternative was required from inspiring English sources

An alternative was required.

In addition, we found that more evidence for each alternative was required before a response was made.

As a chemical racemization process could not be realized and because no suitable enzyme for racemization of these substrates is known,[ 12] an alternative was required.

Knowledge and political action alternative is required, but you also need a sustainable motivation for a change.

So, an alternative is required.

This laser treatment is inherently destructive, with predictable adverse effects on visual function, and a safer alternative is required.

Therefore, an alternative treatment option is required.

Environmentally safe, non-chemical alternatives are required.

However, this approach has been subject to criticism with suggestions that alternatives are required.

This feature is quite favorable at the preliminary stages of low-thrust mission designs where various trajectory alternatives are required.

Hence, low-temperature surface passivation alternatives are required for future industrial high-efficiency silicon solar cells, which should have comparable properties as the alnealed SiO2.