Almond can also help your sleep because it contains tryptophan and magnesium.
杏仁一样可以帮助你的睡眠,因为它富含色氨酸和镁。
It was generally accepted that volcanic rocks with such high levels of magnesium could not exist.
人们普遍认为,具有如此高镁含量的火山岩是不可能存在的。
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。
Prior to 1960, geologists Bowen and Hess disagreed over whether or not the very high temperatures needed to produce magmas rich in magnesium could have existed on Earth.
在1960年之前,地质学家鲍温和赫斯在地球上是否存在产生富含镁的岩浆所需的高温这一问题上存在分歧。
We look at soil chemistry—for example, how much nitrogen or magnesium there is in the soil in one spot—and we compare it with the chemistry of the soil a short distance away.
我们会观察土壤的化学性质——比如某个地方的土壤里有多少氮或者镁——然后与附近土壤的化学性质作比较。
Hess suggested that the presence of water, probably released from minerals decomposing in the Earth's mantle, might have meant that a high-magnesium magma could have existed at a lower temperature.
赫斯认为,水的存在可能是由地幔中分解的矿物质释放出来的,这可能意味着含镁高的岩浆可能在较低的温度下存在。
Your doctor may suggest drinking magnesium citrate.
你的医生可能会建议你喝柠檬酸镁。
Packed with protein, zinc, magnesium, and selenium, pumpkinseeds help protect against depression and heart disease.
南瓜籽富含蛋白质,锌,镁和硒,有助于预防抑郁症和心脏病。
我们有很多很多镁。
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're also a good source of both magnesium and potassium.
它们也是镁和钾重要来源。
And magnesium oxide has a melting point of 2,800 degrees C.
氧化镁,熔点在2800摄氏度。
Annual production of magnesium is about 600,000 tons per year.
每年的镁产量,大约是六十万吨。
Downing pumpkin seeds is the easiest way to consume more magnesium.
吃南瓜籽是获得镁最简单的方式。
One is to use light-weight materials, such as aluminum and magnesium.
一种就是使用轻型材料,例如铝和镁。
So, the question becomes, well, what are the resources for magnesium?
所以问题就变成了,镁资源从哪里来呢?
Supplement the calcium with 500 mg of magnesium to avoid constipation.
补钙的同时摄入500毫克镁能够防止便秘。
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。
They're packed with magnesium, which seems to help keep cortisol levels low.
他们含有丰富的镁元素,可以降低皮质醇水平。
Producing a single kilogram of magnesium requires 10kg of coal, says Dr Yabe.
Yabe博士说,单单产生1kg镁就需要10kg煤炭。
But almond can also help your sleep because it contains tryptophan and magnesium.
但是杏仁一样可以帮助你的睡眠,因为它富含色氨酸和镁。
Most of Iceland's rock is basalt, a type that is rich in both calcium and magnesium.
在冰岛,绝大多数的岩石都是玄武岩,这种岩石含有丰富的钙元素和镁元素。
Most of Iceland’s rock is basalt, a type that is rich in both calcium and magnesium.
冰岛的岩石大多是玄武岩,富含钙和镁。
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。
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。
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