Ion
['aɪən]
解釋/意思:
(noun.) a particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons.
埃尔温整理--From WordNet
解釋/意思:
(n.) One of the elements which appear at the respective poles when a body is subjected to electro-chemical decomposition. Cf. Anion, Cation.
校對:马尔科姆
解釋/意思:
n. one of the components into which an electrolyte is broken up on electrolysis—the Anion the electro-negative component chemically attacking the anode and the Cation the electro-positive component the cathode.
以利沙整理
例句/造句/用法:
- The early official history of the Royal Society (Sprat, 1667) says that this proposal hastened very much the adopt ion of a plan of organization. 李貝. 西洋科學史.
- One of Plato's associates, working under his direct ion, investigated the curves produced by cutting cones of different kinds in a certain plane. 李貝. 西洋科學史.
- On the other hand, Galton, after his classical study of mental imagery (1883), stated that scientific men, as a class, have feeble powers of visual representat ion. 李貝. 西洋科學史.
- Now Dalton's master had taught that the atoms of matter in a gas (elastic fluid) repel one another by a force increasing in proport ion as their distance diminishes. 李貝. 西洋科學史.
- Werner considered all rocks as having originated by crystallization, either chemical or mechanical, from an aqueous solut ion--a universal primitive ocean. 李貝. 西洋科學史.
- Later we find ment ion of teachers of architecture and mechanics. 李貝. 西洋科學史.
- He was a vivisector, made sections of the brain in order to determine the funct ions of its parts, and severed the gustatory, optic, and auditory nerves with a similar end in view. 李貝. 西洋科學史.
杰瑞德校對