First identified in 1969, komatiites are Earth's oldest known volcanic rocks and contain three times as much magnesium as do most volcanic rocks.

科马提岩于1969年首次被发现，它是地球上已知的最古老的火山岩，含镁量是大多数火山岩的三倍。

youdao

We'll give you some potassium and magnesium as well.

我们还会给你输液补充钾和镁。

youdao

The recycling of the scrap magnesium alloy products is one of the key links in the lifetime of magnesium as green materials.

镁合金报废产品的回收处理是镁合金绿色材料生命链中的重要环节。

youdao

Aluminum and magnesium are both made by ionic liquid electrolysis, just as I showed you last day.

铝和镁都是,由离子液体电解而成，就像我昨天讲的。

麻省理工公开课 - 固态化学导论课程节选

Well, if we just take, for example, MgO, and let's try Mg, magnesium chloride just as an example.

我们以MgO为例，让我们试试Mg，MgCl2也是一个例。

麻省理工公开课 - 固态化学导论课程节选

I can only make as much titanium as is consumed by the available magnesium.

有多少可以被消耗的镁,就能得到相应的钛。

麻省理工公开课 - 固态化学导论课程节选

His Kansas State spinout NanoScale Materials plans to register the magnesium oxide as a biocide with the EPA and build a factory to mass-produce the nanoparticles.

FORBES: Nanotech On The Front Lines

But Professor Briffa said using data such as magnesium content in shells, otherwise known as "proxy data", over long periods raised a number of potential problems.

BBC: NEWS | Science/Nature | World 'warmest for 12,000 years'

That magnesium chassis, as you may have heard, is made through Microsoft's own VaporMg process, which involves pushing out excess air to help minimize the device's thickness.

ENGADGET: Microsoft Surface: inside the three-year secret project to build the first great Windows tablet