释义 |
Bethell|ˈbɛθəl| The name of John Bethell, a nineteenth-century American inventor, used attrib. or in the possessive to designate a process of wood preservation (see quot. 1940).
1838Brit. Pat. 7731 (title) Rendering wood, cork, and other articles more durable, &c. Bethell's specification. 1901Trans. Amer. Soc. Civil Engin. XLV. 503 All the French roads [i.e. railways] but one have creosoting by the ‘Bethell’ process. 1940Chambers's Techn. Dict. 88/2 Bethell's process, a process for preserving timber, which is first dried, then subjected to a partial vacuum within a special cylinder, and finally impregnated with creosote under pressure. 1962W. P. K. Findlay Preservation of Timber iii. 38 Bethell's process is often called the Full Cell Process because it results in filling the cells of the treated zone with a liquid. |