Water, containing dissolved calcium hydrogen carbonate, passes through the limestone and drops evaporate on the stalactite, increasing its length with a deposit of calcium carbonate.
含有溶解碳酸氢钙的水通过石灰石滴在钟乳石上蒸发，随着碳酸钙沉积物的增加不断增加着它的长度。
2
Absorption of exogenous calcium and sucrose and their deposit onto the cell walls in litchi pericarp were studied by using radioisotope tracer technique.
利用放射性同位素示踪技术研究荔枝果皮对外源钙和蔗糖的吸收及细胞壁构建规律。
3
Calcareous tufa, a porous or spongy deposit of calcium carbonate found in calcareous mineral springs.