Sentence examples for material is unknown from inspiring English sources

The model provides an estimation of the measurement uncertainty when the stress ratio or the strength of the material is unknown – a situation that is a commonly encountered with hardness testing of thin films and welded materials.

The floor was compacted soil, and the original roof material is unknown, but the presence of a few glazed floor tiles and Flemish pantiles of a somewhat later date is consistent with a higher-status appearance.

Since the particles were acquired from commercial sources, the purity of the material is unknown.

The source of this material is unknown.

Despite extensive research, the exact chemical nature of the fibrillar material is unknown.

To what extent peri-implant infections could be lowered by choosing another implant material is unknown.

As an academic at the University of Exeter, he's a leading specialist in the verse of 1914-18 - but some of the material was unknown even to him.

Therefore, the applicability of these standards for bioresorbable materials is unknown.

Although the origin of the thick materials is unknown, the lower Pn velocity of 7.8 km/s beneath the ridge seems to be similar to the KPR in general.

Thermocycling has been shown to cause surface degradation of many dental materials, but its effect on the fracture toughness and hardness of direct core buildup materials is unknown.

Although replacing SF powder with slurry can somehow avoid the potential bio-toxicity, its long-term stability within cementitious materials is unknown.