通过化学方法从灰烬中提取镍，他们每英亩土地生产了100磅镍，每磅的总成本略高于目前的采矿成本。
By chemically extracting nickel form the ash, they produced 100 pounds of nickel per acre of land at a total cost per pound slightly above that of current mining.
到19世纪末，不仅机械，土建，采矿和冶金工程得到了提高，还出现了较新的如化学和电气工程这样的专业。
By the end of the nineteenth century not only were mechanical, civil, and mining and metallurgical engineering established but the newer specialties of chemical and electrical engineering emerged.
1935年建立，科学工程学院(前身为理工学院)汇集了工程，采矿，建筑和化学方面的大学课程。
Created in 1935, the College of Science and engineering (formerly known as the Institute of Technology) brought together the University's programs in engineering, mining, architecture, and chemistry.
工业用密封式圆柱形，螺旋纹与锥形齿轮传动装置，特别是在采矿、化学加工，冶金和造纸业等方面的重负荷应用。
Industrial sealed with conical cylindrical, swirl, especially in gear transmission device, chemical processing, metallurgy, mining industry and heavy load, etc.
物料跟踪软件可以被用在许多行业中，包括采矿业、混和物加工和海运、钢铁制造、矿石加工和浓缩、金属冶炼和化学制品批量生产。
Material Tracking can be used in several industries including mining, blending and shipping, iron and steel making, ore processing and concentration, metals refining and chemical batch operations.
物料跟踪软件可以被用在许多行业中，包括采矿业、混和物加工和海运、钢铁制造、矿石加工和浓缩、金属冶炼和化学制品批量生产。
Material Tracking can be used in several industries including mining, blending and shipping, iron and steel making, ore processing and concentration, metals refining and chemical batch operations.
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