第三种是镁。
这也可能是镁。
So, here's magnesium. It's very light.
我们回到原题，这是镁，它很轻。
这是镁。
But there may be an alternative: magnesium.
不过可能还有个选择：镁。
They are mining sea water for magnesium.
他们正在从海水中提取镁。
A magnesium mine is also being developed.
一个镁矿也正在开发。
They're also a good source of both magnesium and potassium.
它们也是镁和钾重要来源。
Annual production of magnesium is about 600,000 tons per year.
每年的镁产量，大约是六十万吨。
It is rich in magnesium which helps you calm down and sleep better.
它含有丰富的可以帮助你平静下来，睡得更好的镁元素。
The application area of magnesium salt's products has been enlarged.
扩大镁盐产品应用领域。
The mechanism of the impaired magnesium reabsorption is still unknown;
镁重吸收障碍的机制仍然未知；
A new process of direct electroplating on magnesium alloys was studied.
研究了一种镁合金表面直接电镀镍的新工艺。
The test results come out, this is a very expensive aluminum-magnesium alloy!
化验结果出来了，这是一种很贵重的铝镁合金！
So the frequency for this magnesium bar is about 2,100 Hertz, and you can hear that.
所以镁条的频率是，大概2100赫兹，你可以听到。
Of the three, two of the particles are magnesium-rich, while the third is carbon-based.
三个颗粒中，有两个富含镁元素，而第三个则是碳基元素为主。
After magnesium treatment the ductility of steel was increased at high temperature.
镁处理对改善钢材的高温塑性有益。
The function of magnesium in the chlorophyll structure is well known and documented.
镁在叶绿素结构中的功能，早已为人们清楚地阐明，且也得到文献记载。
Two coffee components, magnesium and phytate, did not account for the association seen.
其中镁和植酸这两种成分，不能解释观察到的这种关联。
The current status of basic properties, study and application of cast magnesium alloy is reviewed.
概述了铸造镁合金的基本性质、研究进展及其应用。
Magnesium is an important light metal.
镁是一种重要的轻金属。
Magnesium is the nutrient element in plant growth.
镁是植物生长的营养要素。
Magnesium agent plays an important role in treating RA.
镁剂对治疗RA有重要作用。
Magnesium is able to burn in carbon dioxide and nitrogen.
镁是可以在二氧化碳和氮气中燃烧的。
Magnesium sulfate is the drug of choice for seizure prevention.
硫酸镁是预防抽搐的首选药物。
Magnesium is necessary for muscle contraction, heart rate regulation, and muscle growth.
镁是肌肉收缩、生长和心跳速度正常的必要物质。
Magnesium is necessary for muscle contraction, heart rate regulation, and muscle growth.
镁是肌肉收缩、生长和心跳速度正常的必要物质。
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