It's also a waste of resources, like valuable rare earth metals.

其实它们也有废物利用的价值，比如说含有珍贵的稀有金属。

The asteroid belt is potentially full of valuable metals, worth trillions and trillions of dollars.

小行星带可能充满了价值数万亿美元的贵金属。

The researchers said more mining is needed to make more of the valuable metals available to industry.

研究人员表示，需要开采更多的矿产以为工业提供更多有价值的金属。

Now some are moving up to 10 percent of their clients' financial holdings into the valuable metal.

现在，一些人将其客户金融资产的10%转移到黄金上。

Electronic products contain valuable metals that could be recovered.

7. 电子产品含有可回收的贵重金属。

[Newsreader 4] They want the valuable metals inside the converters.

- [Newsreader 4] 他们想要转换器中的贵重金属。

Early coins were made of valuable metals like gold and silver.

早期的硬币是由金银等贵重金属制成的。

In fact, many of Earth's most valuable metals can also be found in asteroids.

事实上，许多地球上最有价值的金属也可以在小行星中找到。

Among the things that people went to Alaska for was gold, the very valuable yellow-colored metal.

人们去阿拉斯加的目的之一是黄金，一种非常有价值的黄色金属。

These do indeed contain brines with varying concentrations of copper, as well as other valuable metals including lithium, ZINC, gold and silver.

里面确实含有不同浓度的铜以及其他有价值的金属，包括锂、锌、金和银。

This is because new bioleaching methods are being developed to get at some of the non-precious, though still valuable, metals in PCBs.

这是因为正在开发新的生物浸出方法，以去除 PCB 中一些不贵重但仍然有价值的金属。

This is to extract, from deep under Earth's surface, the mineral-rich brines from which ores of copper and other valuable metals are generated in the first place.

首先从地球表面深处提取富含矿物的卤水，从卤水中产生铜和其他有价值的金属。

That little thing on your exhaust that you've probably never looked at, is a literal treasure chest full of valuable metals, platinum, palladium and this one, rhodium, the most expensive metal on planet earth.

排气管上的那个你可能从未看过的小东西，是一个名副其实的宝箱，里面装满了贵重金属，铂金、钯金，还有地球上最昂贵的金属铑。

If you were paying attention in chemistry class,   you'll know that if you mix those together and add lots of heat you can separate the valuable  metal from the rest of the raw material — the ore.

如果你在化学课上听过，你就会知道，如果将它们混合在一起并增加大量热量，你可以将有价值的金属与其余原材料（矿石）分离。