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1)  crystalic calcium carbonate
晶体碳酸钙
2)  CaCO3 crystal
碳酸钙晶体
1.
XRD patterns showed that the pruducts were all the mixture of calcite and vaterite,but the percentage of vaterite increased with the above morphology change of the crystals,which indicated that different biomolecules existed on the surfaces of the above three parts of the narcissus and play different roles in adjusting and controlling the growth of CaCO3 crystals.
探讨利用一种新的天然活体植物——水仙作为模板,在室温下调控合成碳酸钙晶体,并对产物进行了SEM、XRD的分析和表征。
3)  precipitated CaCO 3 crystal
轻质碳酸钙晶体
4)  crystal structure of (calcium) carbonate
碳酸钙晶体结构
5)  CaCO3 whisker
碳酸钙晶须
1.
In this paper,the change of filled paper property is studied with aragonite CaCO3 whisker.
文章采用自制文石型碳酸钙晶须替代传统方解石型碳酸钙,研究其填充纸张性能的变化,结果表明:同样条件下,文石型碳酸钙晶须较传统方解石型碳酸钙填料有更高的留着率,更小的纸张强度降低率。
6)  calcium carbonate whiskers
碳酸钙晶须
1.
Hydrothermal synthesis of calcium carbonate whiskers by using waste phosphogypsum as raw materials;
以废弃磷石膏为原料水热合成碳酸钙晶须的研究
2.
The effects of potassium titanate whiskers and calcium carbonate whiskers and needle-like wollastonite on the tribological properties of braking friction material were studied.
研究了分别填充钛酸钾晶须、碳酸钙晶须、针状硅灰石对刹车片摩擦磨损性能的影响。
3.
Calcium carbonate whiskers are characteristic of low cost, high whiteness and big package, and they are widely used for improving the mechanic performance of polymer composite.
碳酸钙晶须具有成本低、白度高、填充量大的特点,因而大量地用于改善聚合物复合材料的力学性能。
补充资料:晶体碳酸钙
分子式: CaCO3
CAS号:

性质:纯白色,六方结晶型粉末。视比容1.2~1.4ml/g。溶于酸。几乎不溶于水。将氢氧化钙与盐酸反应生成氯化钙,经活性炭脱色,除杂,使氯化钙在氨水存在下用二氧化碳碳酸化即得碳酸钙,再经结晶,分离,洗涤,脱水,烘干,筛选制得。用于牙膏、医药等方面,亦可用作保温材料和制取其他化工原料。

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