查询词典 calcium carbonate

In this paper, through adding different content of calcium carbonate, wollastonite and talcum powder into the composite system, I have studied the mechanics performance and the interface mechanism of the composite system.

本文分别选择碳酸钙、硅灰石、滑石粉对聚丙烯进行不同配比的添加，对各自的力学性能和界面机理进行了研究。

Calcareousness stone mainly content is calcium carbonate, this kind of stone is sensitive to acid detergent, limestone mainly include marble , limestone and onyx.

石灰质石材的主要成分是碳酸钙。这种石材对酸性清洁产品很敏感，与硅酸类石材相比要更经常更换清洁用品。

For ensuring reasonable use of low-volatile coal in calciner, it is necessary to make full understanding of interactions between burning performance of coal powder and decomposition procedure of calcium carbonate.

分解炉中煤粉燃烧是在与碳酸钙充分混合的环境中进行，燃烧工况与一般的煤粉燃烧设备有很大差别，为此，要保证低挥发分煤在分解炉内的合理使用，必须全面了解煤粉燃烧特陛及其与碳酸钙分解过程的作用关系。

Hence, pyrolytic debromination experiments were conducted to reveal the effect of blending calcium carbonate (CaCO3) with the wPCB in pyrolysis.

为此采用混合热解吸收技术，着重研究碳酸钙与酚醛型线路板混合热解的脱溴过程。

Toothpaste generally low-grade calcium carbonate, and dicalcium phosphate used in toothpaste白药can reduce wear and tear on the teeth, the price more than 10 times higher.

牙膏一般低档碳酸钙和磷酸氢钙白药牙膏中使用，可以减少磨损牙齿上，价格超过10倍。

"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。

Form'.'' of crystalline calcium carbonate, dimorphous with calcite.

正'。''交晶矿物，具有方解石的两种晶''。'态'。

The lime was dolomitic with 28% of CaO, 15% of MgO and 63% of E.C.C.E.(effective calcium carbonate equivalent).

所用为白云质石灰，含28%氧化钙，15%氧化镁，有效碳酸钙当量为63%。

Sand or artificial pearl nuclear in a Pinctada martensl, a shellfish, with overlapping accumulation of the excretive protein film from cells in the inner shell theca and the conjunctiva layer of calcium carbonate.

南珠的形成：南珠是珍珠贝科动物中马氏珍珠贝受刺激物刺激后，外套膜的部分细胞所分泌的壳角蛋白膜和碳酸钙的结薄层交互重叠，围绕着刺激物沉积而成的圆形或其他形状的物体。

The white low-density powder of the the sodium salt of polyaspartic acid was got by dropping the hydrolyzable solution to wiscked high speedly carbinol which Consumption amount is about 3-6 times to the amount of solution, the powders density is about 0.35g/ml.4 Polyaspartic acid was characterized by NMR and IR.5 The scale inhibition behavior of polyaspartic acid was studied and result shows: The calcium carbonate inhibition rate is up to 99% at the dosages of 12.5mg/ Land when pH value is 9.0, Ca2+ concentration is 120mg/L and HCO3- concentration is 366mg/L.6 The primary design was put forward for industrialized production of PASP.

在此工艺下得到聚天冬氨酸钠粉术，外观为白色的轻质粉术，堆积密度0.35g／ml，不用进行脱色和粉碎。 4。用红外光谱和核磁共振谱图对聚天冬氨酸进行了表征。 5。对合成的聚天冬氨酸钠对CaCO_3的阻垢性能进行了研究。结果表明：在Ca~(2+)离子浓度120mg/L(以碳酸钙计300mg/L)，HCO_3~-离子浓度为366mg/L(以碳酸钙计600mgL)，PH值=9.0的条件下，阻垢剂浓度达到12.5mg/L时阻垢率可达99％。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。