着火时使用石灰粉末、氯化钠或干沙子灭火(禁止用水);
S43C In case of fire use limestone powder, sodium chloride or dry sand (never use water).
首先,将石灰与水混合,反应十分激烈,操作时要小心!将粉末倒入水中,别搞反了。这样更容易控制反应的速率。
First hydrate the lime, taking care, for the reaction is violent! Pouring the powder into the water, and not the contrary, makes it easier to control the rate.
一个世纪之后,它还依旧耸立,但砖块早就开始剥落,一点一点地裂开;石灰砂浆也是如此,温差变化使其碎裂为粉末。
After a century, it's still standing, but its bricks have begun to drop and break as, little by little, its lime mortar, exposed to temperature swings, crumbles and powders.
灰色粉末。是由石灰石(碳酸钙)和粘土(含二氧化硅和氧化铝)加热而成的,硅酸钙和铝酸钙混合物。
A gray powder that is a mixture of calcium silicate and calcium aluminate made by heating limestone (calcium carbonate) and clay (containing silicon. dioxide and aluminum oxide).
灰色粉末。是由石灰石(碳酸钙)和粘土(含二氧化硅和氧化铝)加热而成的,硅酸钙和铝酸钙混合物。
A gray powder that is a mixture of calcium silicate and calcium aluminate made by heating limestone (calcium carbonate) and clay (containing silicon. dioxide and aluminum oxide).
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