This leads to deterioration of agriculture and lessens the production.
This deterioration increases with the number of successive copyings.
If, in these circumstances, the food supply be also insufficient, the combination of influences is sure, in course of time, to bring about a physical deterioration of the race.
During recent years the average value of the product has fallen, due apparently to deterioration in'quality.
Voices were not lacking which, in view of Austria's relatively small share in foreign investments, ascribed the deterioration of the trade balance to the fact that the public bodies were " living beyond their means."
Copper, when pure to start with, suffers considerable deterioration in plasticity.
This deterioration was necessarily slow; it could not have advanced far in 480 B.C., when on the eve of the battle of Salamis, as we are informed (Arist.
The patriotic action of the council and its attendant popularity enabled it to recover considerable administrative control, which it continued to exercise for the next eighteen years, although its deterioration in ability, becoming every year more noticeable, as well as the rapid rise of democratic ideas, prevented it from fully re-establishing the supremacy which Aristotle, with some exaggeration, attributes to it for this period.
An improvement was shown only in the position of employees in smelting works, otherwise a deterioration is to be observed everywhere, most markedly in the textile industry.
The compact condition permits the hay to be kept with less deterioration of quality than under the old system of more loose baling.
(13) A more general resort to reduction of assessments in cases of local deterioration, where such reduction cannot be claimed under the terms of settlement."
When this continues for a length of time it tends by itself to cause deterioration of the blood-vessels and leads to death either by cerebral apoplexy or by cardiac failure.
It is agreed that the first step in the preservation of metal-work against deterioration or corrosion is the obtaining of absolute cleanness of metal before the application of paint or oil.
In the i4th century there is a significant deterioration in the monastic chroniclers, and their place is taken by the works of secular clergy like Adam Murimuth, Geoffrey the Baker, Robert of Avesbury, Henry Knighton and the anonymous author of the Eulogium historictrum.
The surfaces of the dividing prisms must be very exact, so that no deterioration of the image may arise from them.
This was, however, more probably due to the deterioration of the country through desiccation, which has forced the settled population farther westward, where Sana became the centre of the later Himyaritic kingdom.
She appealed to the king's less refined instincts, and Henry's deterioration of character may be dated from his connexion with her.
There can be little doubt that all unnatural and artificial modes of life tend to deterioration of the powers of resistance of the organism to disease.
Hoisting ropes are weakened by deterioration and breakage of the wires, due to corrosion and repeated bending.
The presence in a metal of even small proportions of arsenide generally leads to considerable deterioration in mechanical qualities.
Most metals when molten are capable of dissolving at least small proportions of carbon, which, in general, leads to a deterioration in metallicity, except in the case of iron, which by the addition of small percentages of carbon gains in elasticity and tensile strength with little loss of plasticity.
On the other hand, there has not been any deterioration; all the skill of former days is still active.
In some cases, by taking away the strong, self-reliant and energetic, it may result in the deterioration of the home population.
Visited in 1873 and 1878 the colony was found in excellent order, but by the end of the century it was stated that intermarriage was bringing a deterioration of intellect, morals and energy, and that the islanders would probably drift into imbecility.
Furs kept in such a condition are not only immune from the ravages of the larvae of moth, but all the natural oils in the pelt and fur are conserved, so that its colour and life are prolonged, and the natural deterioration is arrested.
It was some time before this was discovered in India, and the result has been the deterioration of much good land.
It is almost certain that they did not prevail in Hawaii in early times, but that they were the result of that deterioration in the race which their traditions and many of their customs indicate.'
Except by smell, by change of specific gravity, and by deterioration of drying properties, these adulterations are difficult to detect.
The death-rate then gradually rises, slowly till 25, more rapidly later, when, from about 45 onward deterioration asserts itself more pronouncedly, and by three score years and ten the rate begins to exceed that of childhood.
A more or less close adaptation to local conditions is thus brought about, and breeds or races are produced which are sometimes liable to deterioration on removal even to a short distance in the same country, as in numerous cases quoted by C. Darwin (Animals and Plants under Domestication).
For infinitely distant objects the radius of the chromatic disk of confusion is proportional to the linear aperture, and independent of the focal length (vide supra," Monochromatic Aberration of the Axis Point "); and since this disk becomes the less harmful with an increasing image of a given object, or with increasing focal length, it follows that the deterioration of the image is proportional to the ratio of the aperture to the focal length, i.e.
The process of enfleurage is used in those cases where the odoriferous substance is present to a very small extent, and is so tender and liable to deterioration that it cannot be separated by way of distillation.
Attempts to breed these sheep in other countries have always resulted in a deterioration in the quality of the skins owing to some peculiarity of climate.
It is a well-ascertained fact that the insulator, gutta-percha, is, when kept under water, practically imperishable, so that it is only the original strength of the sheathing wires and the deterioration allowable in them that have to be considered.
Cables have frequently been picked up showing after many years of submergence no appreciable deterioration in this respect, while in other cases ends have been picked up which in the course of twelve years had been corroded to needle points, the result probably of metalliferous deposits in the locality.
The former distinctly argues against the idea of a deterioration of man in the past.
These enenlies are as a rule so conspicuous that we do not look on their depredations as diseases, though the gradual deterioration of hay under the exhausting effects of root-parasites like Rhinanthus, and the onslaught of Cuscuta when unduly abundant, should teach us how unimportant to the definition the question of size may be.
A tenant is not responsible, under such a covenant, for deterioration due to diminution in value caused by lapse of time or by the elements.
Vegetable and other oils rapidly penetrate caoutchouc and lead to deterioration of its properties.
We cannot trace the gradations of this political revolution, but we know that it met with determined opposition from the crown, which resulted in the utter destruction of the Arpads, who, while retaining to the last their splendid physical qualities, now exhibited unmistakeable signs of moral deterioration, partly due perhaps to their too frequent marriages with semi-Oriental Greeks and semi-savage Kumanians.
But, as we have seen, such an error of phase causes no sensible deterioration in the definition; so that from this point onwards the lens is useless, as only improving an image already sensibly as perfect as the aperture admits of.
There is a deterioration in the diction as well as in the music of poetry.
The amount recovered as mesne profits need not be limited to the rental value of the land, but may include a sum to cover such items as deterioration or reasonable costs of getting possession, &c.
In the glass covers can be noticed by the deterioration of the image.
"There may be signs soon of deterioration, Deidre," he said with gravity.
Slow deterioration or an eternity.
He passed the recently restored Beaumont Hotel, a beautiful structure that after several decades of disuse and deterioration had finally been returned to its past glory.
To this character the fungus owes its generic name (Marasmius) as well as one of its most valuable qualities for the table, for examples may be gathered from June to November, and if carefully dried may be hung on strings for culinary purposes and preserved without deterioration for several years; indeed, many persons assert that the rich flavour of these fungi increases with years.
While the subject of the testing of petroleum for legislative purposes has been investigated in Great Britain by committees of both branches of the legislature, with a view to change in the law, the standard has never been raised, since such a course would tend to reduce the available supply and thus lead to increase in price or deterioration in quality.