It is based on converting limestone at high temperatures .
它的原理是在高温下使石灰石发生转化。
The team also found two sarcophagi of fine white limestone and four wooden coffins .
考古团队还发现了两具保存完好的白色石灰石棺椁和四口木制棺材。
They found only the cracks and fissures expected of ordinary limestone formations .
但发现的结果,却只是一道道裂纹,以及普通石灰石中的缝隙。
Aspdin heated a concoction of finely ground limestone and clay in his kitchen .
阿斯普丁在厨房里加热一种由研磨过的石灰岩和粘土混合物。
After hitting zoom and squinting at the screen for a few hours , he had friends in egypt confirm that the road did in fact end at a limestone quarry .
不断地放大眯着眼在屏幕上看了几个小时后,他在埃及的朋友证实那条路的终点确实是一个石灰石采石场。
Vlasopoulos liked the idea of using magnesium oxide as a replacement for the limestone to form the cement , but it needed another material to make it hard .
弗拉索普洛斯喜欢用氧化镁替代石灰石作为水泥的结构材料,但是,他需要另外一种材料去保证水泥的硬度。
Photograph by sam abell erosion 's force becomes clear in these limestone cliffs in port campbell national park , australia .
在澳大利亚坎贝尔港口的国家公园里,水的侵蚀力使石灰岩的峭壁变得很清晰。
The key ingredient is limestone , mostly calcium carbonate , the remains of shelled marine creatures .
水泥的关键配料是石灰岩,主要成份是碳酸钙,即壳类海洋生物的遗存。
That is to short-circuit the natural geological process of weathering and use the co2 to convert volcanic rocks into limestone .
比如可以缩短地质的自然风化过程,我们可以将二氧化碳用于火山岩向石灰岩转变的工序中。
And when heated , limestone sends carbon dioxide gas wafting into the atmosphere , where it traps heat , contributing to global warming .