Sentence Examples with the word composition

The chief applications are found in the analysis of flue gases (in which much information is gained as to the completeness and efficiency of combustion), and of coal gas (where it is necessary to have a product of a definite composition within certain limits).

He also studied the alkaloids and organic acids, introduced a classification of the metals according to the facility with which they or their sulphides are oxidized by steam at high temperatures, and effected a comparison of the chemical composition of atmospheric air from all parts of the world.

The following analysis may be taken as typical of cements made from chalk and clay on the Thames and 100.0 There may be variations from this composition according to the nature of the raw materials employed.

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English hydraulic limes are of a different class; they contain a good deal of alumina and ferric oxide, and in composition resemble somewhat irregular Portland cement.

In the investigation of these relations, the physicist and chemist meet on common ground; this union has been attended by fruitful and far-reaching results, and the correlation of physical properties and chemical composition is one of the most important ramifications of physical chemistry.

The relation between the composition of the electrolyte and the various conditions of current-density, temperature and the like has been studied by F.

We cannot determine the chemical composition of soil simply by touching it.

It is a pax with a very rich and delicate niello picture of the coronation of the Virgin; the composition is very full, and the work almost microscopic in minuteness; it was made in 1452.

He also studied the colouring matters of leaves and flowers, the composition of bone, cerebral matter and other animal substances, and the processes of fermentation, in regard to the nature of which he was an opponent of Pasteur's views.

Except, however, where made under parliamentary authority, no composition for tithes, although made between the landowner and the parson or vicar with the consent of the patron and ordinary, bound a succeeding incumbent, the statute 13 Eliz.