| grain alcohol |
Can be produced chemically from ethylene or biologically from the fermentation of various sugars from carbohydrates found in agricultural crops and cellulosic residues from crops or wood. Used in the United States as a gasoline octane enhancer and oxygenate, it increases octane 2.5 to 3.0 numbers at 10% concentration. Ethanol also can be used in higher concentration in alternative-fuel vehicles optimized for its use.
출처: www.ci.austin.tx.us/cleancities/afterms.htm
|
|---|---|
| grain |
Direction of fibers in a sheet of paper. Long grain describes fibers running parallel to the longest side of a sheet. short grain running parallel to the short side.
출처: www.lisavollrath.com/articles/051.html
|
| grain |
in papermaking, the direction in which most fibers lie, which corresponds with the direction the paper is formed on the mill machinery. Paper folds easily when folded with the grain and it folds poorly and creates a rougher edge when folded against the grain.
출처: nashlinks.com/glossary.htm
|
| grain |
A general term referring to the arrangement, appearance, and direction of wood fibers. Among the many types of grain are fine, coarse, straight, curly, open, flat, vertical, and spiral. In paper making, the predominant direction in which the fibers are aligned.
출처: www.southernyellowpine.com/html/glossary.html
|
| grain |
The measure of weight usually used when weighing arrows or arrow tips. 7000 grains make a pound.
출처: tucsonarchery.com/Archery_Terms.php
|