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After being smelted with fire assay and enriched with cupellation method,the precious metal is decomposed with chloroazotic acid.

试金法熔炼和灰吹富集后,贵金属合粒王水解,在盐酸介质中,用焰原子吸度法测定钯量。

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英国原版小学语文课

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

银也是贵金属,其仅次于黄金。

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看热点学英语

That's the adjective of 'gold', which is a precious metal.

这是“金”的形容词,金是一种贵金属。

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VOA Special 2017年11月合集

Vriens cautioned people against trying to find precious metals in drinking water.

韦瑞恩警告民众,请勿在饮用水中寻找稀有金属。

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Scishow 精选系列

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

有黄金、铁和许多其稀有贵金属。

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美国小学英语5

He valued his royal crown chiefly because it was made of that precious metal.

的王冠,主要是因为它是由那种贵重金属制成的。

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双语版 TED-Ed 演讲精选

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

除了贵金属之外,还挖到了另一种宝藏:恐龙骨头。

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简单心理学

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系在一起,从贵金属到光滑的包装。

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看热点学英语

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。

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旅行到地球内部

Super snails and precious metals are just a tiny part of the riches produced by the volcanic machine below.

超级蜗牛和贵金属只是火山机器所创造的财富中的一小部分。

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VOA Special 2017年11月合集

A new study has found stranger materials in a wastewater system: large amounts of rare and precious metals.

最新研究发现,下水道中含有一种奇怪物质:大量稀有的贵重金属。

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VOA Special 2015年7月合集

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贵金属业务的新加坡公司。

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Kurzgesagt 科普动画

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。

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欧也妮·葛朗台

Come, go and get it, the precious metal.

来吧,去拿吧,贵金属。

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2016 ESLPod

A precious metal is a more expensive, a rarer, metal.

贵金属是一种更昂贵、更稀有的金属。

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2014 English Cafe

" Gold" is a precious metal and a very expensive metal.

“黄金”是一种贵金属,也是一种非常昂贵的金属。

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科学60秒 听力 2013年7月合集

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。

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2017 ESLPod

My client wants only precious metals.

Raquel:我的客户只想要贵金属。

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2005 ESLPod

Gold, silver, platinum, white gold, yellow gold – these are all " precious metals."

金、银、铂金、白金、黄金——这些都是“贵金属” 。

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成功人士的建议

Dell invested his earnings from those jobs in stocks and precious metals.

戴尔将这些工作的收入投资于股票和贵金属。

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2016 English Cafe

You're probably familiar with both silver and another well-known precious metal, " gold."

您可能熟悉白银和另一种著名的贵金属“黄金” 。

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