For centuries, scientists have tried to turn base metals into precious ones, most commonly lead into gold — even Isaac Newton, the father of modern science, was an alchemist.
几个世纪以来，科学家都在尝试将基本金属变为贵金属，最常见的是铅变成黄金——甚至现代科学之父艾萨克·牛顿也是一个炼金术士。
The closest thing we have to modern-day alchemy may be the work of Kosaka Smelting and Refining, the Japanese firm that harvests gold and other valuable metals from old electronics.
可能最能称得上“现代炼金术”的就是小坂冶炼和精炼公司正在做的事了，这家日本公司从旧电器中回收金和其他有用的金属。
We also know they readily conduct electricity and heat. Many metals form the strong framework on which our modern society is built.
我们也知道金属易于导电和传热，许多金属形成了我们现代社会的坚强框架。
High performances of modern composites have made them ideal alternatives to metals, as landmarked by the usage of them in Boeing 787 Dreamliners and Airbus A350.
现代复合材料由于其高性能使其成为金属的完美替代品，尤其是在波音787和空客A350上的使用更具里程碑意义。
The discussion on base metals for auto construction pays special attention to technical advancement of modern cast iron.
关于汽车构造基体金属的探讨，突出了现代铸铁的技术进步；
According to modern bio-mediation and chemical control technologies, some tentative plans to prevent or reduce the concentrations of heavy metals.
同时结合现代生物修复和化学治理技术，提出一些预防和治理海洋沉积物中重金属污染方面的设想。
Modern technology in the production and converting of steel and non-ferrous metals unfortunately causes cutting problems.
现代科技中，在钢和有色金属转换和生产中会出现切割问题。
This paper reviews fluorides CVD methods for refractory metals in CIS countries, including modern development of the equipment and products.
介绍了独联体国家难熔金属氟化物化学气相沉积的工艺、设备及其产品的开发情况和研究进展。
While most pharmaceutical manufacturers do analyse for trace metals and use modern analytical techniques, recommended methodologies for these types of samples can be hard to locate.
虽然大多数制药厂商做微量金属的分析和使用现代分析技术，但是推荐这些类型的样品的方法是很难找到。
People in both ancient and modern times were immersed in fondling sand collecting the COINS, trying to discover the old mysteries hidden in these metals.
古往今来人们观赏它、珍藏它，试图解开这个藏着无数古代秘密的金属之符，沉浸其中乐而忘返。
Existing prescribed methodologies for heavy metals testing, especially in pharmaceutical compounds lags behind modern analytical technology.
现有规定的重金属测试方法落后于现代分析技术，尤其是药物合成化合物。
The precious metals have proved most satisfactory for this purpose and have been most commonly used in modern times.
贵金属证实作此用处令人满意的，并已在最常用的近代使用。
The precious metals have proved most satisfactory for this purpose and have been most commonly used in modern times.
贵金属证实作此用处令人满意的，并已在最常用的近代使用。
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