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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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AIFS, AIFV, AIG, aiglet, aigret, aigrette, AIGS, aiguille, aiguillette, AIH,

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3G, 401(K), a,

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英国原版小学语文课

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

银也是贵金其价值仅次于黄金。

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看热点学英语

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

这是“金”形容词,金是一种贵金

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经济学人-财经

Yet the sweetest vindication goes to fans of another precious metal.

然而,最甜蜜证明被另一种贵金爱好者收入囊中

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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有金

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Scishow 精选系列

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

有黄金、铁和许多其贵金

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经济学人-财经

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

但是还有另一种贵金也能胜任这项工作。

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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.

珍视,主要是因为它是由那种贵重金制成

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双语版 TED-Ed 演讲精选

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

除了贵金之外们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们把闪亮东西和价值联系在一起,从贵金到光滑包装。

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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.

。那么,标记是符号,一般来说,“hallmark”是指在银或金等贵金符号印记。

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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.

超级蜗牛和贵金只是火山机器所创造财富中一小部分。

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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:大量贵重金

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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·蔡黄金之星公司销售与运营经理,这是一家从事黄金和其贵金业务新加坡公司

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Kurzgesagt 科普动画(双语精选)

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

只需要几周时间,小行星上采集贵金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

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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.

一项新研究显示接触过少量贵金微生物对抗生素攻击更为敏感。

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2016 ESLPod

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

贵金是一种更昂贵、更

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2014 English Cafe

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

“黄金”是一种贵金,也是一种非常昂贵

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经济学人 Finance and economics

People are once again spending big on the precious metal.

人们再次大手笔购买贵金

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2017 ESLPod

My client wants only precious metals.

Raquel:我客户只想要贵金

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aim to, aimafibrite, AIMD, AIME, Aimee, aimer, aimic, aiming, aimless, aimlessly,

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3G, 401(K), a,
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