calcium carbonate

noun

1. 碳酸钙
   a white solid substance that exists naturally as chalk , limestone and marble

1. The thermal decomposition of calcium carbonate produces calcium oxide and carbon dioxide.
   碳酸钙加热分解，生成氧化钙和二氧化碳。
2. They suck calcium carbonate from the ocean to build the branches that most people mistakenly see as coral.
   它们从海洋里吸收碳酸钙来筑建分枝，这也让大部分人看到珊瑚虫后会产生误解。
3. By regulating the technology, preferable calcium carbonate whisker was prepared and it provided experience for manufacture of calcium carbonate whisker in carbonizer.
   通过调整工艺，制备了较好的碳酸钙晶须，为在碳化塔中生产碳酸钙晶须积累了经验。
4. Aragonite: an orthorhombic mineral form of crystalline calcium carbonate, dimorphous with calcite.
   霰石：文石结晶富钙碳化物的一种正交晶矿物，具有方解石的两种晶态。
5. Calcium carbonate occurs in the allomorphs calcite and aragonite.
   碳酸钙存在于同质异晶的方解石和文石中。
6. Characterization of hydrophobic calcium carbonate and its application in the poly vinyl chloride
   疏水性碳酸钙的表征及其在聚氯乙烯中的应用
7. The results have guiding significance for the process design and improvement of fine calcium carbonate.
   其结果对微细碳酸钙生产工艺的设计与改进具有指导意义。
8. Calcium carbonate was used as the phosphate binder.
   研究期间，磷酸盐的结合剂为碳酸钙。
9. The common calcium carbonate filling masterbatch has more calcium carbonate separated out, more dust and heavy environment pollution.
   普通碳酸钙填充母料碳酸钙析出多、粉尘大、环境污染较重。
10. In order to calcine calcium carbonate fines, the technique of high-temperature pelletization has successfully been used.
    为了煅烧碳酸钙细粉，已经成功地应用了高温成球技术。
11. Calcium carbonate's also what's in chalk.
    粉笔里也有碳酸钙。
12. Impregnation with calcium or calcium salts, as with calcium carbonate.
    向某物注入钙或钙盐的过程。
13. Bottom-dwelling marine critters such as lobsters and corals encase themselves in shells or exoskeletons made from calcium carbonate.
    在底部生活的海洋动物，如：龙虾和珊瑚虫，被包裹在由碳酸钙构成的外壳或外骨骼内。
14. The identification of calcium carbonate in PVC profiles by infrared spectrograph was introduced.
    介绍了如何用红外光谱仪鉴别PVC异型材中的碳酸钙。
15. The mineral of the shell is almost pure calcium carbonate, with some magnesium, formed of radiating crystals.
    蛋壳的矿物质几乎为纯碳酸钙，还有一些镁，形成放射状结晶。
16. That is, they incorporate crystals of insoluble inorganic salts, most often calcium carbonate or calcium phosphate, in a matrix of protein.
    也就是说，他们把晶体不溶性无机盐放在基质蛋白中，那些不溶性无机盐通常是碳酸钙或磷酸钙。
17. They extracted some calcium carbonate ores in the mine.
    他们在矿上开采出了一些石灰质矿石。
18. The method to observe the precipitated calcium carbonate crystal with optical microscope is simple and direct.
    介绍使用光学显微镜观察轻质碳酸钙晶体的方法。
19. The effects of solidified agent, nanometer silicon dioxide powder and calcium carbonate powder on line contraction percentage of silicon rubber mould were discussed in this paper.
    本文主要研究了固化剂、纳米二氧化硅粉和碳酸钙粉等外加剂对硅橡胶模具线收缩率的影响。
20. A common mineral consisting of crystallized calcium carbonate; a major constituent of limestone.
    一种常见的矿物，由晶体形式的碳酸钙构成，是石灰石的主要成分。
21. Design/ methodology/ approach-Calcium titanate was synthesised from titanium dioxide and calcium carbonate at hight temperature.
    设计/工艺/步骤－钛酸钙由二氧化钛和碳酸钙在高温下合成。
22. Preparation of ammonium sulfate and calcium carbonate from phosphogypsum produced in the production of nitrophosphate
    用硝酸磷肥生产中副产的磷石膏制备硫酸铵和碳酸钙
23. Fish bones is calcium carbonate, I bought a bottle of Vinegar with acid melting it away!
    鱼骨头是碳酸钙，自己买了瓶醋精，用酸把它溶掉吧！
24. It is a blend of fine mesh calcium carbonate and Polyethylene resin.
    这是一个混合网格的细碳酸钙和聚乙烯树脂。
25. The calcium carbonate in corals or in the shells of other marine creatures comes in two distinct mineral forms: calcite and aragonite.
    珊瑚或其他海洋生物外壳里的碳酸钙，包含两种完全不同的矿物形式：方解石和霰石。
26. Limestone is rock composed of calcium carbonate.
    石灰石是由碳酸钙所构成的岩石。
27. The calcium carbonate content of phosphate rock determines the pore structure.
    磷矿中碳酸钙的含量决定了磷矿的毛细孔结构。
28. Calcium carbonate can be used as source of calcium for the prevention of common female menopause, osteoporosis.
    碳酸钙可作为钙源用于预防女性更年期常见的骨质疏松。
29. Susceptibility to acid depends in part on the type of calcium carbonate the animal makes, the researchers found.
    研究人员发现，对酸的敏感性在某种程度上取决于动物所产生的碳酸钙类型。
30. Nanometer calcium carbonate was prepared taking calcium chloride, ammonia and carbon dioxide as raw material by carbonization.
    利用氯化钙、氨水和二氧化碳为原料，采用碳化法制备纳米碳酸钙。

noun

1. a salt found in nature as chalk or calcite or aragonite or limestone