Although the quality of potato starch is higher, it is being supplanted by poorer quality cereal starch. From Europarl Parallel Corpus - English One third of the nearly 200 wild potato species were first described by him.
This tensile test of a nodular cast iron demonstrates low ductility. In materials science, ductility is a solid material's ability to deform under tensile stress; this is often characterized by the material's ability to be stretched into a wire.uctility can be quantified by the fracture strain, which is the engineering strain at which a test specimen fractures during a uniaxial tensile test.
To measure a material's ductility, the tester typically takes a measurement of the material's tensile strength. Tensile strength examines how far the material can stretch without breaking. This ability is similar to malleability, though they each have a slight difference. Instead of measuring tensile strength, or essentially how far the metal can stretch, malleability measures how much pressure a material can take without breaking or cracking.