The forms of furnaces and means for lining and cooling the hearth and adjacent parts have received great attention. 威廉·亨利·杜利特.世纪发明.
Only the most powerful electric furnaces are capable of performing this work. 佚名.神奇的知识之书.
The heat-treating department contains about seventy-five large furnaces, which consume from 5,000 to 6,000 gallons of fuel oil per day. 佚名.神奇的知识之书.
The 100-ton ladles are in position at the tapping side of the furnaces to receive the molten steel. 佚名.神奇的知识之书.
The stock is delivered to the charging floor in iron boxes loaded on narrow-gauge buggies, and is charged into the furnaces by electric charging machines. 佚名.神奇的知识之书.
The early smelting furnaces of Germany resembled the Catalan, and were called the Stückofen, and in Sweden were known as the Osmund. 威廉·亨利·杜利特.世纪发明.
In heating appliances, steam and water heating systems, base burning and Latrobe stoves, hot air furnaces, gas and oil stoves. Edward W. Byrn.十九世纪发明进展.
For many years it had been a much-discussed question how to make these ores available for transportation to distant furnaces. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
Among the world’s largest blast furnaces may be mentioned the Austrian Alpine Montan Gesellschaft, which concern owns thirty-two furnaces. Edward W. Byrn.十九世纪发明进展.
The raw materials for the open-hearth furnaces are received on elevated railroad tracks graded and piled preparatory to sending to the furnaces. 佚名.神奇的知识之书.
Well,' he said to me, 'Edison, you are doing a good thing for the Eastern furnaces. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
The heated air which rises from furnaces is seldom hot enough to warm large buildings well; hence furnace heating is being largely supplanted by hot-water heating. 伯莎M.克拉克.科学通论.
Coke is generally burned in the furnaces, and the heat is continually maintained so as to keep the retorts red-hot. 弗雷德里克·科利尔·贝克维尔.伟大的事实.
This shop has a floor space of 22,000 square feet and is thoroughly equipped with the necessary hammers, presses, furnaces, etc. 佚名.神奇的知识之书.
In the earlier blast furnaces a vast amount of heat was allowed to escape and was wasted. Edward W. Byrn.十九世纪发明进展.
Four furnaces provided with fire-brick regenerator stoves 100 feet high and 18 feet in diameter. 佚名.神奇的知识之书.
At the cyanamid plant at Niagara Falls, in Canada, there are seven of these great carbide furnaces, each about fifteen feet long and half as wide and one-third as deep. 佚名.神奇的知识之书.
The gigantic expansion of the iron and steel industry was foreshadowed in the change from wood to coal in the smelting furnaces. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
The invention of mechanical puddlers, hereinafter referred to, consisting chiefly of rotating furnaces, were among the beneficent developments of the nineteenth century. 威廉·亨利·杜利特.世纪发明.
Combining the product of five 40-ton open-hearth furnaces. 佚名.神奇的知识之书.
It is into these furnaces that the various forgings are placed for heat-treating. 佚名.神奇的知识之书.
The eighteenth century did have its glowing grates, and its still more glowing furnaces of coal in which the ore was melted and by the light of which the castings were made. 威廉·亨利·杜利特.世纪发明.
He thus describes their furnaces and iron: At every third or fourth village (in the regions near Lake Nyassa) we saw a kiln-looking structure, about 6 feet high and 2? feet in diameter. 威廉·亨利·杜利特.世纪发明.
The first iron furnaces were known as _air bloomeries_, and had no forced draft. Edward W. Byrn.十九世纪发明进展.
Coketown did not come out of its own furnaces, in all respects like gold that had stood the fire. 查尔斯·狄更斯.艰难时事.
The first notable development of the Nineteenth Century was the introduction of the hot air blast in forges and furnaces where bellows or blowing apparatus was required. Edward W. Byrn.十九世纪发明进展.
The furnaces of the United States are, however, of the largest yield, and the leading ones of these are: No. Annual capacity Furnaces. Edward W. Byrn.十九世纪发明进展.
Furnaces were enlarged to colossal dimensions, some being a hundred feet high and capable of yielding 80 or 100 tons of metal per day. 威廉·亨利·杜利特.世纪发明.
Furnaces to hold the crucibles, and made of iron cylinders lined with fire brick, whereby the crucibles were subjected to greater heat, were also known. 威廉·亨利·杜利特.世纪发明.
Plant consists of four furnaces 70 feet high, 18-foot boshet and 12-foot hearth. 佚名.神奇的知识之书.