(noun.) a silvery ductile metallic element found primarily in bauxite.
希拉里校对
双语例句
Condy’s new disinfectant--permanganate of aluminum--is undoubtedly the best of the two for this purpose. 威廉K.戴维.智者、化学家和伟大医生的秘密.
All the aluminum parts as well as a large proportion of the brass, are also cast in this foundry. 佚名.神奇的知识之书.
K is the cathode plate, formed of a concave disk of aluminum, which focuses the rays at a point near the center of the bulb. Edward W. Byrn.十九世纪发明进展.
The other is a pad made of aluminum which is concave on one side and convex on the other and may be used in a wet pack. 佚名.神奇的知识之书.
Percolators of this type are made by the manufacturer from sheet copper spun in perfect shape, and also aluminum spun. 佚名.神奇的知识之书.
The Cowles process heats to incandescence by the electric current a mixture of alumina, carbon and copper, the reduced aluminum alloying with the copper. Edward W. Byrn.十九世纪发明进展.
The crank case in itself is interesting because it is made from drawn sheet steel, instead of cast aluminum, as was once thought necessary. 佚名.神奇的知识之书.
Steel wire which measures 1/4 mile on a snowy day will gain 25 inches in length on a warm summer day, and an aluminum wire under the same conditions would gain 50 inches in length. 伯莎M.克拉克.科学通论.
They proved capable of passing through sheets of aluminum and of copper, and of discharging electrified bodies. 李贝.西洋科学史.
Hundreds of common materials like glass, rubber, iron, aluminum, etc. 伯莎M.克拉克.科学通论.
The turquoise, a phosphate of aluminum colored with copper, is not synthetically produced, although various experiments with its manufacture have been made. 佚名.神奇的知识之书.
The present low price of _aluminum_, reduced from $12 per pound in 1878 to 33 cents now, is due to its production by electrical methods. Edward W. Byrn.十九世纪发明进展.
The ruby, chemically considered, is crystallized alumina, or oxide of aluminum, with a small percentage of oxide of chromium. 佚名.神奇的知识之书.
The summit is crowned with a cap of aluminum, inscribed _Laus Deo_. Edward W. Byrn.十九世纪发明进展.
Aluminum was first separated in 1828 by Wohler, by decomposing the chloride by means of potassium. Edward W. Byrn.十九世纪发明进展.