Sentence examples for additional ring was needed from inspiring English sources

This structure requires six degrees of unsaturation, and an additional ring was needed to complete the unsaturation.

In group 2, a Burch-Schneider (BS) reinforcement ring was needed more often (Table 2).

But it said additional research was needed.

Like Rosenfeld, she said additional research was needed.

Additional methylaluminoxane was needed to activate the catalyst.

The molecular formula of 1 still needed three degrees of unsaturation, indicating three additional rings were available in 1.

However, for PAHs with ≤4 rings, more accurate parameters are desirable, especially for biota uptake and metabolic rates, and additional measurements are needed to evaluate model predictions.

If additional forces are needed, I will send them.

No additional hardware is needed to connect to the PC.

If additional liquid is needed, water will do just fine.

Governor Guinn cites various groups, saying additional studies are needed.