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1·Is extractive metallurgy different from process metallurgy?

铁是通过高炉冶炼从矿石中提取的。

2·It can be classified as process metallurgy and physical metallurgy.

它可以分为过程冶金学和物理冶金学。

3·Powder Metallurgy is a process for making parts from metal powder.

粉末冶金是用金属粉末制作部件的过程。

4·Powder metallurgy (Fig. 5.1) USES sintering process for making various parts out of metal powder. The metal powder is compacted by placing in a closed metal cavity (the die) under pressure.

粉末冶金(图5.1)采用烧结工艺将金属粉末制成各种各样的零件。金属粉末放在封闭的金属腔(模具)中在压力下被压实。

5·Welding is a complicated process in which arc physics, heat transfer, metallurgy and mechanics are involved.

焊接是一个涉及电弧物理、传热、冶金和力学的复杂过程。

6·Widely used in chemical, petroleum, metallurgy, power stations, such as industrial production process.

广泛应用于化工、石油、冶金、电站等工业生产过程中。

7·The reheating furnace process computer system goals are mainly dynamic production process control, process operation records tracking, and production process optimization with metallurgy model.

再加热炉过程控制计算机系统的主要目的是实现生产动态过程控制，跟踪操作记录，同时通过冶金模型进行生产过程优化。

8·A new manufacture process and application instance of metallurgy integrated complex steel pipe is introduced.

介绍了一种新的冶金结合复合钢管制造工艺及工业应用情况。

9·The process of wastewater treatment for nickel metallurgy was presented.

报道了一种处理镍冶金废水的工艺方法。

10·The ingot alloy quality and casting process influence directly the casting metallurgy quality.

精铸合金锭的质量及铸件铸造工艺直接影响铸件冶金质量。