calcium carbonate 美[ˌkælsɪərmˈkɑː(r)bəneɪt] 英[ˌkælsiəm ˈkɑː(r)bəneɪt] n.【化】碳酸钙 网络碳酸钠;轻质碳酸钙;钙片 权威英汉双解 英汉 英英 网络释义 Calcium-Carbonate n. 1. 碳酸钙a white solid substance that exists naturally as chalk , lim...
Noun1.calcium carbonate- a salt found in nature as chalk or calcite or aragonite or limestone carbonate- a salt or ester of carbonic acid (containing the anion CO3) chalk- a soft whitish calcite calcite- a common mineral consisting of crystallized calcium carbonate; a major constituent of lime...
英文:Calcium carbonate in food additives can help adjust the acidity and alkalinity of food. 英文同义表达: 第一条:chalk(作为矿物质的碳酸钙) 说明:chalk特指作为矿物质的碳酸钙,常用于指粉笔或白垩。 第二条:lime(特指作为建筑材料的碳酸钙) 说明:lime在建筑领域特指作为...
The carbonate from calcium carbonate, if not remoyed 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. 辞典例句 The surface of nanometer calcium carbonate powder was modified with resin and stearic acid. 用树脂和硬脂酸改性纳米碳酸钙...
Meanwhile, calcium ions in the cement also absorb moisture and carbon dioxide, forming calcium carbonate -- the material found in seashells.───同时,水泥中的钙离子也会吸收水分和二氧化碳,形成碳酸钙——碳酸钙是贝壳的主要成分。 The method to observe the precipitated calcium carbonate crystal with op...
soluble formofcalcium carbonate;itis found in most corals, most molluscs (including free-swimming [...] medsea-project.eu medsea-project.eu 文石是相对更易溶解 的一种碳酸钙的形式,存在于珊 瑚,大部分软体动物(包括可自 由游动的翼足类动物,小浮游海 ...
药物总览提供了碳酸钙Calcium carbonate相关药品信息, 涵盖了药品临床前,临床阶段,注册,上市等药品全生命周期研发数据, 通过表格与图表等形式多维度地帮助帮助用户筛选与查看
Calcium carbonate occurs in two forms—hexagonal crystal known as calcite, and orthorhombic form, aragonite. Calcite decomposes on heating at 825°C, aragonite melts at 1,339°C (at 102.5 atm). Density 2.71 g/cm3 (calcite), 2.83 g/cm3 (aragonite); insoluble in water (15mg/L at 25°C)...
Calcium carbonate (CaCO3), chemical compound consisting of one atom of calcium, one of carbon, and three of oxygen that is the major constituent of limestone, marble, chalk, eggshells, bivalve shells, and corals. Calcium carbonate is either a white powde
:a compound CaCO3found in nature as calcite and aragonite and in plant ashes, bones, and shells and used especially in making lime and Portland cement and as a gastric antacid Examples ofcalcium carbonatein a Sentence Recent Examples on the WebThe Nature Made Multi for Him has a small dose...