The degree of hardening which the steel undergoes increases with its carbon-content, chiefly because, during sudden cooling, the presence of carbon acts like a brake to impede the transformations, and thus to increase the quantity of 0-iron caught in transit, but probably also in part because the hardness of this 0-iron increases with its carbon-content.
Internally, Catholicism in the United States has been free from any noteworthy schisms or heresies that might impede its development - its doctrinal history offers nothing of importance.
The seed is prepared in a similar manner as for pressing, except that it is not reduced to a fine meal, so as not to impede the percolation of the solvent through the mass.
The route followed by Alexander, though he also crossed at Thapsacus, took him unresisted across the northern parts; but the poor people of Mesopotamia suffered from the measures taken by their satrap Mazaeus to impede Alexander's progress.
The low level of wages in many trades and the jealousies of the Chambers of Labor and other working-class organizations impede rapid development.
The Boeotians by this means secured a powerful weapon of offence against Athens, being able to impede their supplies of gold and corn from Thrace, of timber from Macedonia, and of horses from Thessaly.
Bismarck, knowing that nothing would more impede the consolidation of the empire than an outbreak of local patriotism, always so jealous of its rights, generally used his influence to avoid constitutional disputes, and discouraged the discussion of questions which would require an authoritative interpretation of the constitution.
The British admiral was accused of applying himself so entirely to seizing and selling his booty that he would not allow his second in command, Sir Samuel Hood, who had recently joined him, to take proper measures to impede the arrival of French forces known to be on their way to Martinique.
Out of the river as soon as the flood-tide on its lower side has risen to half-tide level, so as not to impede the flow and ebb of the tide up to Teddington above that level, and is not lowered till the tide has fallen again to the same level.
Aquatic weed growth can impede navigation, clogging boats' propellers and can also physically impede waterflow.