Sentence Examples with the word deteriorate

Blast furnaces are, from the intimate contact between the burden to be smelted and the fuel, the least wasteful of heat; but their use supposes the possibility of obtaining fuel of good quality and free from sulphur or other substances likely to deteriorate the metal produced.

Gabriel didn't have time, and Wynn's assessment that Deidre was starting to deteriorate made Gabriel afraid to give her more than he already had this night.

The text soon began to deteriorate by admixture with the Old Latin, as well from the process of transcription, and several attempts at a revision were made before the invention of printing.

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The ventilation of pillar working is often attended with difficulty, and the coal is longer exposed to the influence of the air, a point of importance in some coals, which deteriorate in quality when exposed to a hot damp atmosphere.

The royal inscriptions are written in the hieroglyphic character and the Egyptian language, which, however, in the opinion of experts, steadily deteriorate after the separation of Ethiopia from Egypt.

The temples were the principal places for reliefs; and they steadily deteriorate from the first great example, Deir el Bahri (see ARCHITECTURE: Egyptian), down to the late Ramessides.