| 单词 | patio process |
| 释义 | > as lemmaspatio process patio process n. Mining and Metallurgy a process for separating silver from the ore by amalgamating it with mercury on an open floor. ΘΚΠ society > occupation and work > industry > mining > [noun] > other specific mining processes > in coal-mining outstroke1747 holing1841 coal-cutting1842 patio1845 sumping1849 bottoming1856 salting1856 patio process1862 spragging1865 yardage1877 booming1880 brushing1883 filling1883 sounding1883 yard-work1883 blanketing1884 goafing1888 freezing process1889 power loading1901 bashing1905 rock dusting1915 mucking1918 solid stowing1929 stone-dusting1930 roof bolting1949 rock bolting1955 1862 J. S. Hittell Mining in Pacific States N. Amer. 172 The patio process, or Mexican mode of amalgamation, is managed in a patio or amalgamating yard, closely paved with granite. 1974 Encycl. Brit. Micropædia VII. 664/1 The patio, or Mexican, process of separating silver from the ore by amalgamation with quicksilver was perfected..in the 16th century. 1997 Hispanic Amer. Hist. Rev. 77 391 Juan Thomas had to maintain an inventory of indispensable mining supplies like..pyrites for refining ores by the patio process. < as lemmas |
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