Since this land only holds two grams of precious metal per ton of mud, mercury is needed to pull the gold from the sludge.

由于这片土地每吨泥浆只含有两克贵金属，因此需要用水银从淤泥中提取黄金。

They believe that the value of precious metals and other materials on space rocks could far exceed the cost of sending equipment there and back.

他认为，在太空岩石上的贵金属和其他材料的价值可能远远超过运送设备往返的成。

In this programme, we'll be finding out about a new idea to collect lumps of precious metals, called nodules, from the bottom of the ocean.

在期节目中，我了解一个新想法： 从海底收集被称为结核的贵金属块。

There's gold, iron, and lots of other rare, precious metals.

有黄金、铁和许多其他稀有贵金属。

Silver is a precious metal, next in value to gold.

银也是贵金属，其价值仅次于黄金。

But there is another precious metal that could do the job, too.

但是还有另一种贵金属也能胜任这项工作。

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。

Baalat, also often referred to as " Lady Baalat of Byblos" , was appealed to by kings so that they would have a successful reign, and altars and monuments made out of precious metals were constructed for her.

巴拉特，也经常被称为“比布鲁斯的巴拉特夫人”，受到国王的支持以便他能够成功统治，并为她建造了用贵金属制成的祭坛和纪念碑。

Now, we'll talk more about the dangers to the local wildlife, but nevertheless, scientists estimate that the quantity of precious metals on the ocean floor is many times the quantity of these metals accessible on land.

现在， 我一步探讨对当地野生动物的威胁，但尽管如此， 科学家估计海底贵金属的总量是陆地上可获取量的许多倍。

They're looking for alternative forms of investment outside of stocks and bonds and precious metals, they're looking for something they're also passionate about and they're passionate about comic books.

他正在寻找股票、债券和贵金属以外的其他投资形式，他正在寻找自己热爱的东西，他对漫画书充满热情。

Gold is " not perfect" for this purpose, he said, but investors' belief that now is a good time to hold it has supported demand for the precious metal.

他说，黄金在这方面“并不完美”，但投资者认为现在是持有黄金的好时机，这支撑了对这种贵金属的需求。

But this inheritance was later swelled by the enormous wealth he captured in Persia, and Alexander's imperial conquests were bankrolled by nearly five million kilos of Persian gold.

这些贵金属成为亚历山大早期战争的经费来源。而在征服了波斯之后，他财富大增: 他从波斯掠走了约五百万公斤的黄金。

This route was named after the valuable silk that was traded along it, but many other goods, such as spices, tea and precious metals were also exchanged.

这条路线因其贸易的珍贵丝绸而得名，但沿途还交易了许多其他商品，如香料、茶叶和贵金属。

So by retaining ownership, Toyota thinks it can give longer life to batteries and the much needed precious metals used like lithium, nickel and copper.

通过保留所有权，丰田认为它可以延长电池和锂、镍和铜等急需的贵金属的使用寿命。

Because a new study shows that microbes exposed to a pinch of the precious metal become more vulnerable to antibiotic attack.

一项新的研究显示接触过少量贵金属的微生物对抗生素的攻击更为敏感。

Precious metals and valuable minerals could be delivered to Mars just weeks after they were cut out of their asteroid.

只需要几周的时间，小行星上采集的贵金属和矿物就可以被运送到火星。

Luke Chua is sales and operations manager at Bullion Star, a Singapore business that sells gold and other precious metals.

卢克·蔡黄金之星公司的销售与运营经理，这是一家从事黄金和其他贵金属业的新加坡公司。

Yeah. So, marks are symbols and literally, a 'hallmark' is a symbol on precious metal like silver or gold.

是的。那么，标记是符号，一般来说，“hallmark”是指在银或金等贵金属上的符号印记。

And you might think it's because we associate shiny things with value, from precious metals to glossy packaging.

你可能会认为这是因为我把闪亮的东西和价值联系在一起，从贵金属到光滑的包装。

In addition to precious metals, they unearthed another treasure: dinosaur bones.

除了贵金属之外，他还挖到了另一种宝藏：恐龙骨头。