| 释义 |
concentrator|ˈkɒnsəntreɪtə(r)|
[Agent-n. f. concentrate v.]
One who or that which concentrates.
1. An apparatus for concentrating solutions or other products of manufacture.
1853Pharmac. Jrnl. XIII. 115 This the patentee calls a concentrator. 1884Health Exhib. Catal. 60/1 Apparatus for manufacturing..Manchester concentrated manure, comprising Concentrator, Condenser, Exhauster, and Agitator.
2. Fire-arms. A ring of hard paper or wire fitted inside the cartridge-case, serving to keep the shot together for some distance after discharge. Also a device for narrowing the muzzle with this object.
1875‘Stonehenge’ Brit. Sports i. i. xi. 54 Prepared to supply the concentrators in any numbers.
3. An apparatus by which mechanical concentration of ores is performed.
1873J. S. Phillips Metallurgist's Comp. ed. 2 468 The most exacting and perfect concentrators yet devised. |