冶炼

Analyzing the craftsmanship of jade carving we can say not only bronze and red brass metallurgy was mastered by our forebears but also mood-framed equipments and special tools were created. They also built jade producing workshops.

我们已经从红山文化玉器的制作工艺客观分析出，这一时期已经掌握了冶炼技术，有红铜或青铜器问世，并制作了以木为框架结构的，专门用于玉器加工的设备和工具，已形成手工业作坊生产模式。

Rational systems of taxes and penal servitude were able to inspire the laborer's manufacture enthusiasm and promote the technique advancement and industry development, but excessive levy would cause laborer's escape, the state tax reduction and smelting technology stagnation.

合理的赋课和劳役制度能够有效的激发劳动者的生产积极性，促进技术进步和产业发展；过度的征收则会使劳动者逃避生产，国家赋税减少，冶炼技术停滞。

In the domestic vitriol industry, tube-crust anode protection cooler of oil of vitriol is widely used.

在国内硫酸生产行业中，阳极保护管壳式浓硫酸冷却器应用广泛，它是硫酸生产工艺中用在吸收塔循环酸系统对浓硫酸进行换热的设备，其能否正常运行是冶炼烟气制酸系统正常生产的基本前提之一。

Chemical speciation of heavy metal is hot topic in soil science,plant nutrition,and environmental science.

由于工业&三废&的排放、城市生活污水和垃圾、农业活动、及矿产开发和金属冶炼，造成大量的重金属元素在土壤中积累。

Indonesia's reform drive began in October with a massive crackdown on illegal smelters on the island of Bangka, where most of the industry is based.

印尼的改革进程始于处理去年10月的邦加岛骚乱，政府一举取缔了多家该岛的非法冶炼公司。

Indonesia's reform drive began in October with a massive crackdown on illegal smelters on the island of Bangka, where most of the industry is based.

去年10月发生在锡工业聚集的邦加岛非法冶炼公司的大规模使得印尼政府下决心进行改革。

The basic principle to form foamed slag and the factors to affect the fomation are introduced Combined with the practice of using the technology of submerged-arc smelting with foamed slap in Electric Furnace Steelworks of Tangshan Iron and Steel Company, its role In electric-arc steel-making production is stated.

介绍了泡沫渣形成基本原理及影响其形成的因素，并结合唐钢电炉炼钢厂采用泡沫渣埋弧冶炼工艺的实践，阐述了该工艺技术在电弧炉炼钢生产中的作用，具有推广应用的价值。

There are four parts presented in this paper. In the first part, the B.F ironmaking process, B.F Expert System and the methods to predict the silicon content in molten iron are introduced. In the second part, the control parameters and state parameters of B.F ironmaking process are analyzed. In the third part, the Statistical Learning Theory and Support Vector Machine are introduced.

论文主要包括以下四个方面的内容：高炉炼铁、高炉专家系统和炉温预测的概述；高炉冶炼过程状态参数和控制参数的分析；统计学习理论和支持向量机方法；基于支持向量机的铁水硅含量数值预报模型和铁水硅含量多类别分类模型。

With the development of the steel making technology, more and more arc furnace invest to the industry, its capacity also become more bigger.

摘要随着炼钢业和冶炼技术的发展，越来越多的电弧炉设备投入到生产当中，其容量越来越大。

It's very important to control the electrode current of arc furnace.

在冶炼工业的电弧炉中有效地控制电极电流，对于电弧炉正常运行至关重要。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失