我们回到原题，这是镁，它很轻。
每年的镁产量，大约是六十万吨。
Annual production of magnesium is about 600,000 tons per year.
不过可能还有个选择：镁。
它们也是镁和钾重要来源。
所以如果镁是如此富饶，为什么它这么贵呢？
有多少可以被消耗的镁，就能得到相应的钛。
I can only make as much titanium as is consumed by the available magnesium.
所以镁的密度是贴的四分之一。
而镁是一美元一磅。
但镁成本较高，易氧化、燃烧。
镁处理对改善钢材的高温塑性有益。
After magnesium treatment the ductility of steel was increased at high temperature.
镁重吸收障碍的机制仍然未知；
The mechanism of the impaired magnesium reabsorption is still unknown;
镁对保持健康心脏及血压龙为重要。
Magesium is particularly important for maintaining a healthy heart and blood pressure.
各国都在大力开发镁碳砖生产技术。
Now many countries are developing the production technique of magnesia-carbon brick.
一例低镁血症病牛并无器质性损害。
In a case of hypomagnesemia in a cow there is no physical lesion.
而是tickle，这是镁。
硫酸镁是预防抽搐的首选药物。
Magnesium sulfate is the drug of choice for seizure prevention.
镁是可以在二氧化碳和氮气中燃烧的。
分析了镁基复合材料研究领域的现状。
The present research status of Mg base composite was analyzed.
镁剂对治疗RA有重要作用。
这也可能是镁。
他们正在从海水中提取镁。
镁是植物生长的营养要素。
镁和镧可减小活性衰减速率。
益生菌和镁维生素使你的消化系统顺畅健康地运作。
Also, probiotics and magnesium vitamins often help keep your body on a healthy, digestive roll.
第三种是镁。
镁是一种重要的轻金属。
扩大镁盐产品应用领域。
The application area of magnesium salt's products has been enlarged.
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.
主要探讨了镁锆质浇注料抗渣渗透性机理。
The mechanism of slag penetration resistance was emphatically studied in this work.
主要探讨了镁锆质浇注料抗渣渗透性机理。
The mechanism of slag penetration resistance was emphatically studied in this work.
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