In many marine creatures, however, the skeleton is composed of a mineral variety of calcium carbonate called aragonite.
然而，很多海洋生物的骨骼由一种叫作霰石的碳酸钙矿物变体组成。
The fossils buried in Pleistocene and earlier ocean sediments were of foraminifera—small, single-celled marine organisms that secrete shells of calcium carbonate, or calcite.
在更新世和更早的海洋沉积物中埋藏的化石生物属于孔虫类生物，它们是微小的单细胞海洋生物，其分泌的硬壳由碳酸钙和方解石组成。
So, there's 1 mole of calcium carbonate.
这儿有1摩尔的碳酸钙产生。
Inside, lime bonds with the carbon dioxide to form solid calcium carbonate.
在内部石灰与二氧化碳结合生成碳酸钙固体。
Many species of invertebrate have shells or skeletons made of calcium carbonate.
无脊椎类的好多物种有碳酸钙质的外壳或骨骼。
These calcium carbonate towers, called tufas, formed underwater in California's Mono Lake.
这些叫做石灰华的碳酸钙塔是在加州莫诺湖的水下形成的。
Two different white powders are thought to be calcium carbonate and calcium hydroxide.
现有两种白色粉末，已知一种是碳酸钙，另一种是氢氧化钙。
Calcium carbonate and the premenstrual syndrome: Effects on premenstrual and menstrual symptoms.
碳酸钙与经前紧张综合征：对经前和经期症状的作用。
The corals familiar to most of us are colonies of small polyps that build calcium carbonate branches.
我们所熟知的珊瑚都是由群集的微小水螅分泌的分枝状碳酸钙外骨骼。
The white cliffs of Dover, for example, are white because they contain limestone, or calcium carbonate.
比如，多佛的白色峭壁之所以为白色就是因为含有石灰岩或碳酸钙。
The reaction produces a calcium carbonate seal, restoring the slab to its normal load-bearing capacity.
这种反应会产生一种碳酸钙的印迹，并将路面的负荷能力恢复至正常。
That is bad because many Marine creatures rely on shells made of calcium carbonate to protect themselves.
这是相当糟糕的，因为很多海洋生物生活在钙质碳酸盐的贝壳里以保护自己。
The carbonate from calcium carbonate, if not removed by calcining may cause foaming in the reactors.
碳酸钙中存在的碳酸根，如果不经煅烧除去，会在反应槽中引起泡沫生成。
It has been known to us that the protein is conducive to the construction of the eggshell Calcium carbonate.
大家已经知道这个蛋白对蛋壳碳酸钙的形成有帮助。
Some minerals, such as calcium carbonate in seashells, glow blue, as does a shovel handle in the picture above.
有些矿物，如海贝中的碳酸钙，会闪着蓝光，就如同上图中的铁锹的把手。
Stoneworts contain calcium carbonate deposits so extensive that they may form the major part of lake bottoms.
轮藻形成碳酸钙沉淀，这些沉淀可形成湖泊钙质泥灰岩的主要成分。
In reefs, the structure is big lumps of calcium carbonate on which things grow and around which they graze and hunt.
对于珊瑚礁而言，结构就是大块的碳酸钙礁石，一切都发生在礁石之上或周围。
The stuff is tough as a rock (limestone is made primarily of calcium carbonate), but it dissolves instantly in acid.
这种物质硬如磐石（石灰石主要就是由碳酸钙构成的），但易溶于酸。
Most water contains some carbon dioxide making it a weak acid that can eat away at the calcium carbonate in limestone.
大多数水含有一些二氧化碳，使得水显弱酸性，能够侵蚀石灰岩中的碳酸钙。
Many invertebrates have shells of calcium carbonate that bear evidence of the physical conditions in which they formed.
许多无脊椎动物的碳酸钙贝壳中可以找到其形成时自然条件的证据。
Most water contains some carbon dioxide, making it a weak acid that can eat away at the calcium carbonate in limestone.
大多数水含有一些二氧化碳，使得水显弱酸性，能够侵蚀石灰岩中的碳酸钙。
They hope to learn how quickly the carbon dioxide and water mixture reacts with the basalt rock to form calcium carbonate.
他们希望了解二氧化碳水溶液与玄武岩产生化学反应形成碳酸钙的速度有多快。
Scratchy materials, including calcium carbonate and silicates, help remove food, bacteria, and some stains from your teeth.
一些稀有成分。包括碳酸钙和硅酸盐，能够帮助牙齿防止食物粘在上面，同时去除细菌和污垢。
We will get 100.1 g of calcium carbonate and then discover that we have 56.1 g of calcium oxide, and 44 g of carbon dioxide.
1g的碳酸钙,将得到56。1g的氧化钙，和44g的二氧化碳。
So will corals, especially those whose skeletons are composed of aragonite, a particularly unstable form of calcium carbonate.
珊瑚虫也将如此，特别是那些骨架由霰石(一种极不稳定的碳酸钙形式)组成的种类。
Coral reefs are formed by deposits of calcium carbonate left by successive generations of tiny polyps which feed off plankton.
珊瑚礁是由历代以浮游生物为食的小水螅所遗留下来的碳酸钙沉积物而形成的。
Your stomach needs plenty of hydrochloric acid to break down calcium carbonate, so always take your supplement with a meal or snack.
您的胃需要很多盐酸分解碳酸钙，因此请与饭或点心一起服用这些添加物。
Your stomach needs plenty of hydrochloric acid to break down calcium carbonate, so always take your supplement with a meal or snack.
您的胃需要很多盐酸分解碳酸钙，因此请与饭或点心一起服用这些添加物。
应用推荐