| 单词 | spiegeleisen |
| 例句 | To the bath of molten metal thus obtained spiegeleisen or ferro-manganese is added to supply the required carbon and to otherwise act as in the Bessemer converter. The Romance of Industry and Invention 2011-12-19T03:00:43.870Z If steel was wanted a small amount of carbon, usually in the form of spiegeleisen, was introduced into the converter before the process was complete. Inventions in the Century 2011-07-20T02:00:14.643Z A small amount is used for spiegeleisen, and the rest as a flux. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6 "Cockaigne" to "Columbus, Christopher" Manganese itself has a value for steel-making; or, rather, for the making of spiegeleisen and ferro-manganese, which are used in the Bessemer and Siemens processes. A Text-book of Assaying: For the Use of Those Connected with Mines. The greatest possible accuracy was thus attainable in delivering definite quantities of molten iron into the converter for a given blow, also of spiegeleisen. The Harris-Ingram Experiment When all the carbon is removed, then exactly enough carbon is added by introducing molten spiegeleisen to produce steel of any desired temper with the utmost certainty. The Harris-Ingram Experiment |
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