Sentence examples for a tough material from inspiring English sources

"It doesn't fail," Dr. Heuer said, "and that's not a bad definition of a tough material".

Plants contain large amounts of a tough material called cellulose that consists of tightly linked sugar molecules.

Grass, trees and other biomass feedstocks consist of a mixture of cellulose, hemicellulose and lignin, a tough material that helps plants keep their shape.

Nick Tucker, a University of Warwick researcher, is working to convert a nine-foot-tall crop known as elephant grass into a tough material fit for biodegradable car bodies by 2006.

Producing the advanced fuels entails breaking down a tough material, cellulose, that is abundant in corn cobs, wood chips and other biological waste, then converting it to liquid fuel.

It can be seen that the mechanical behavior has been changed from a tough material to a brittle one (Fig. 2a) and the maximum force (Fig. 2b) decreased with increasing of degradation time which can be due to the destruction of polymer structure in SBF.

In other groups, especially those that are primarily terrestrial or have a terrestrial phase in their life cycle, the eggshells are composed of another protein, keratin, a tougher material that is more resistant to adverse environmental conditions.

By means of rotary-die equal-channel angular pressing (RD-ECAP) a brittle casting aluminum alloy (Al 11mass%Si alloy) was transformed into a tougher material.

Buds, flowers and shoots are usually soft while the veins and stems of leaves, seeds and roots represent a tougher material [46].

Bones Protect Their Own Damping of vibrations may be one reason why bones do not break, but bone is a very tough material in its own right, and can take a lot of nicks and knocks (or falls on a ski slope) without fracturing.

"Silica is a pretty tough material," said William F. Bawden, who teaches hard rock mine engineering at the University of Toronto.