The next stage consists in a simple extension of the last, in which the mass is heated till quite dry, care being taken that no charring takes place.
At the same time its limpidity proves the absence of the heavier oils, and accounts for its rising through a long wick with freedom, and burning without charring the cotton.
The beet molasses, after extracting all the sugar possible by means of lime, leaves a waste liquor from which the potash can be recovered by evaporation and charring and leaching the residue.
If, then, man wants free carbon he can best get it by charring wood in a kiln or digging up that which has been charred in nature's kiln during the Carboniferous Era.
It would, of course, be very desirable as a conservation measure if all the sawdust and waste wood were utilized bycharring it in retorts.
On each of these three pins the charring was quite as bad just below the thread as it was further down, so that a large part of the leakage current seems to have gone up over the interior surface of the smaller petticoat.
Some excess of strength in the stem of a pin over that of its shank is to be desired, for the stem is more exposed to the weather and to charring by leakage currents over the surface of the insulator.
It may be suggested that the use of iron pins will transfer the charring and burning to the wooden cross-arms, but this does not seem to be a necessary result.
This charring extended all the way down each pin from the point where the insulator made contact with it, a little under the threads, to the top of the cross-arm nine inches below.
Even with low voltages there may be charring and burning of pins and cross-arms if the line insulators are very poor or if the conditions as to weather and flying dust are sufficiently severe.
With iron pins having a shank of small diameter, so that the area of contact surface between the pin and the wooden cross-arm is relatively small, there may be some charring of the wood at this contact surface.
The comparative freedom of cross-arms from charring and burning where wooden pins are used seems to be due to the larger surface and lower resistance of the cross-arms.
Another change of design should leave an excess of strength in the stem of the pin, to provide for deterioration of the wood, and particularly for charring by current breakage.
In the charring of wood, what part is converted into coal, and what gas and acid are disengaged?
The effect is, that the charring process goes on regularly, and the wood is charred equally.
The charcoal formerly used in this manufacture was prepared in the usual way of charring wood, piles being formed of it and covered with sods or fern, and suffered to burn with a slow smothering flame.
In charring wood it has been conjectured, that a portion of it is sometimes converted into a pyrophorus, and that the explosions that happen in powder-mills are sometimes owing to this.
Some improvements in the manner of preparing turf for use, have been made; that of charring it in kilns is one.
The charring of water casks is designed for the same purpose.
The charring of bones is performed in iron cylinders, furnished with tubes to receive, and convey away, the impure ammonia.
It consists in charring the wood in confined vessels, made of iron.
This is sometimes called animal charcoal, and is made by charring bones and animal refuse.
In this way the boiling point of the solution is lowered and the charring of the sugar is prevented.
Moreover, in Mr Pontifex's boiler the time necessary for the concentration of the citric-acid liquor is diminished to about an eighth, and as the strong ebullition keeps the liquid in constant motion its charring is entirely prevented.
A simpler, safer, and more effectual method of charring them than the last is to wash the dry casks out with strong oil of vitriol (sp.
Charcoal is made by charring organic substances, such as wood, bone, blood, &c.
In some parts of Sweden the wood is charred in large rectangular stacks, and in China the method of charring in pits is practised.
The appearances described as belonging to the preceding class are in part found here with the addition of charring or carbonizing the parts destroyed.
Blackening of the skin andcharring of the tissues never result from burns by boiling water.
If a nitrate is present a deep blue color forms instantly, which is not obscured by the charring effect of the acid.
Sometimes the charring effect of the acid makes it advisable to use the following test: Hydrochloric Acid Test.
The charring has taken place in cremating the dead, in the burning of offerings or through accidental subjection to heat.
Traces of basketry are rarely preserved either by charring or by contact with copper.
Preservation by charring is common, and it is held by some that carbonization without the agency of fire has in some cases taken place.
Through charring by the use of fire in burial rites, and by contact with copper or preservative salts in burial caves, numerous pieces of cloth and parts of costumes have come into our possession.
Charring the ends of fence-posts by holding them for a short time over a fire and forming a protecting coating of charcoal is another method which has been extensively used.
From 6 days to 4 weeks may be required for charring a heap, according to its size; hard wood requiring most time; and the slower the process, the better and greater is the product, generally speaking.
The inhabitants were allowed to ply their trade of charring wood in the forest on condition of supplying the castle with charcoal, and of affording a lodging to the followers on occasions like the present.
Much ingenuity has been wasted in devising and patenting machinery for charring wood on a large scale to preserve it against decay.
The practice of charring turf appears however to be much older, if it be true that charred turf was employed about the year 1560 at the Freiberg smelting-houses, though that undertaking was not attended with success.
This he reserved for the time when the children were at school, and mother was either charring or was at the wash-tub.
The time ofcharring is as a rule from 5 to 7 hours.
Yes, and those plugs remained in place for days, if not weeks or months, after the carboys burst, as indicated by the greater charring of the larger end of the plug.
The charring and blackening of all telephone poles, trees and wooden posts in the areas not destroyed by the general fire occurred only on the side facing the center of explosion and did not go around the corners of buildings or hills.
One more interesting feature connected with heat radiation was the charring of fabric to different degrees depending upon the color of the fabric.
The charring on the front of the posts was sharply limited by the shadow of a wall.
She, herself, being a young woman of the most pleasing capabilities, had done a bit of charring for me and was now to be in charge of the glassware, linen, and silver.
The vapours given off by the charring of the surface cannot freely escape, and the meat is cooked in an atmosphere charged with empyreumatic oil.
At a higher temperature, charring and decomposition take place.
BONE BROWN and Ivory Brown are obtained by roasting bone and ivory until by partial charring they become of a brown colour throughout.
Spanish Black, or Cork Black, is a soft black, obtained by charring cork, and differs not essentially from Frankfort black, except in being of a lighter and softer texture.
Burnt Madder is obtained by carefully charring madder carmine until it becomes of the hue required.
The lesions--which vary from a slight superficial scorching to complete charring of parts--are most evident at the points of entrance and exit of the current, the intervening tissues apparently escaping injury.
The separation of the slough produced by the charring of the tissues is sometimes attended with secondary bleeding.
The wood on the iron hearth was charring without flame.
I've been charring and charring and charring as far back as I mind.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "charring" in a variety of sentences. We hope that you will now be able to make sentences using this word.
