Sentence examples for the material proved from inspiring English sources

Testing of the material proved it to be nearly 90percentt pure — bomb-grade uranium indeed — sending secure telephone lines ringing from Washington to Langley, Va.

The test specimens were studied using computed tomography to analyse the internal geometry, and the material proved to be highly porous.

However, the material proved to be difficult to bend into the curved shapes needed and so, whilst the M2A prototype was made entirely of Mallite except for the steel bulkheads, on the M2B it was utilised only for the inner and upper skins, the remainder being aluminium alloy.

The material proved to be adequately homogeneous for the total mass fraction of As, Cd, Pb and Hg.

The material proved to be adequately stable for the 8 weeks that elapsed between the dispatch of the samples and the deadline for submission of results and for all the four investigated total mass fractions (As, Cd, Pb and Hg).

Studies on angular selectivity and wavelength selectivity of the material prove that low spatial frequency optical elements were more suitable for solar applications.

A relationship between stereochemistry and sensitivity towards oxidative degradation was found: with the increment of the trans content in 1,4-cyclohexylene units of the samples, the materials proved more resistant to oxidation processes.

Several researchers have observed that due to the action of water, the use of this material proved to have insufficient durability.

Contrary to expectations, improved oxygen storage capacities of the materials prove to be detrimental to catalytic performances since they favor the formation of polymers in solution and the accumulation of adsorbed species.

But that material proved too heavy and "thus hardly playable".

The suspension composed of the particles of the medium material proved efficient in sealing the three fractures.