| 1. | The rise in the use of iron saw the progressive destruction of forests to provide smelting charcoal . 由于铁的用途日益广泛,人们为了生产冶炼用的木炭,眼巴巴地看着森林资源遭受着连续不断的破坏。 |
| 2. | China was the first country in the world to smelt bronze. bronze-smelting technology was developed by the ancient chinese working people approximately 5,000 years ago. as far back as in the shang dynasty ( 16th century b.c.-11th century b.c. ) , the technology of bronze-smelting -- particularly that of smelting and casting bronze ware -- reached a very high level . 中国劳动人民就发明了炼铜技术。 |
| 3. | Development situation of corex smelting reduction process 熔融还原工艺的发展状况 |
| 4. | Studying on smelting metal silicon by coal 以煤代炭冶炼化学级金属硅的试验研究 |
| 5. | A briefing about gold - smelting furnace of gold mines in china 国内黄金矿山炼金炉综述 |
| 6. | Code of dust and poison control for lead smelting 铅冶炼防尘防毒技术规程 |
| 7. | Alchemy and the copper - smelting in song dynasty 炼丹术与宋代冶铜业革命 |
| 8. | Automatic control system for converting furnace of copper smelting 铜冶炼转炉自动控制系统 |
| 9. | Code for design of magnesium smelting technology 镁冶炼厂工艺设计规范 |
| 10. | The technology improvement of bronze smelting for mould cast mirror 改善范铸铜镜的冶炼工艺 |