碳酸钙

Calcium carbonate is the cheapest and most commonly used compounds, its high calcium content, or about 40%.

碳酸钙是最便宜，最常用的化合物，钙含量高，约占40％。

Usually black and white thin layer of calcium carbonate composition of various forms of reef-like body.

通常为黑白相间的碳酸钙薄层组成的各种形态的礁状体。

Pure calcium carbonate is white in colour.

纯净的碳酸钙是白色的。

Use of calcium carbonate reduces the amount of polymer needed in the structure.

碳酸钙使用减少了所需要的结构聚合物用量。

I analyzed a bit and it was calcium carbonate.

我稍稍做了点分析，蛋壳的成分是碳酸钙。

When a coral dies, it leaves its skeleton of calcium carbonate behind..

当珊瑚死了，它留下的骨骼碳酸钙背后。。

In this dissertation, we are dealing with inorganicf organic Calcium Carbonate composites and Titanium-ion composites.

在本论文中，我们着重研究碳酸钙的有机复合物和二氧化钛-氧化铁复合物。

The chemical composition of marble is calcium carbonate.

大理石的化学成分是碳酸钙。

Calcium carbonate solid is insoluble in water.

碳酸钙固体是不溶於水的。

Most flour is fortified with calcium carbonate so cereals can also be a good source.

大多数面粉强化是碳酸钙，使谷物也可以是一个很好的来源。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。