Known that the Hevea tree usually furnishes very inferior rubber if tapped before it is six or seven years old, and there is evidence to show that the quality of the rubber improves with the age of the tree.
Ordericus Vitalis improves this legend by details of an interview with the devil, who prophesied Gerbert's threefold elevation in the famous line that Gerbert's contemporaries attributed to the pope himself: Transit in R.
Paring and burning improves the texture of clay lands, particularly if draining is carried out at the same time.
The statoblasts require a period of rest before germination, and Braem has shown that their property of floating at the surface may be beneficial to them by exposing them to the action of frost, which in some cases improves the germinating power.
Compelled by the windy climate the colonists are doing something to repair these ravages by planting European, Californian and Australian sheltertrees; but it is only in the naturally open and grassy regions of the east and south-east that settlement as yet improves the landscape.
Whether crossing improves a given text or not depends ultimately on the knowledge and the judgment of the crosser, and these will vary indefinitely.
At times of bad trade even those who usually depend on their own resources seek the aid of experienced agents, who sometimes find a grievance if their services are rejected when trade improves and sales are made easily.
It also improves the texture of clay soils.
But in addition to the greater cost of steel founding as compared with rolling there are two facts which limit the use of steel castings: (1) they are not so good as rolled products, because the kneading which the metal undergoes in rolling improves its quality, and closes up its cavities; and (2) it would be extremely difficult and in most cases impracticable to cast the metal directly into any of the forms in which the great bulk of the steel of commerce is needed, such as rails, plates, beams, angles, rods, bars, and wire, because the metal would become so cool as to solidify before running far in such thin sections, and because even the short pieces which could thus be made would pucker or warp on account of their aeolotachic contraction.
In this more general respect, an arboretum or woodland affords shelter, improves local climate, renovates bad soils, conceals objects unpleasing to the eye, heightens the effect of what is agreeable and graceful, and adds value, artistic and other, to the landscape.
Meal mixed with pulped roots for a few hours improves in digestibility, and a sprinkling of salt is an improvement.
Meal derived from leguminous seeds makes the flesh firm and improves the quality.
Southwards the quality of the soil rapidly improves, and becomes the most fertile part of Egypt.
In the same way champagne rarely, if ever, improves after twelve to fourteen years.
The most important crop, as a result of irrigation, is alfalfa, which is grown for forage, requires little attention, and improves the soil.
His definition improves on Tylor's in so far as it makes worship integral to the religious attitude.
Any simple operation which improves the colour of the fibre or shortens the operation of retting is worthy of consideration.
They are thus induced to be out the whole day, and to take food with an appetite which greatly improves their nutrition and aids their restoration to health.
Their conventionality sets the lyrics of Cruz e Silva on a lower plane, but in the Hyssope he improves on the Lutrin of Boileau.
On the 31st of March 1713, when the edition was nearly ready for publication, Newton wrote to Cotes: " I heare that Mr Bernoulli has sent a Paper of 40 pages to be published in the Acta Leipsica relating to what I have written upon the curve Lines described by Projectiles in resisting Mediums. And therein he partly makes Observations upon what I have written & partly improves it.
In certain forms of anaemia the administration of iron rapidly improves the blood in both respects.
The second theory is that there is no absorption of iron given by the mouth, but it acts as a local stimulant to the mucous membrane, and so improves anaemia by increasing the digestion of the food.
He believes that inorganic iron saves the organic iron of the food by combining with the sulphur, and improves anaemia by protecting the organic food iron.
Sometimes a sounding-board over the head of a speaker improves the hearing probably by preventing echo from a smooth wall behind him.
As technology improves, all these processes and systems will improve and also fall in price.