查询词典 calcium carbonate

In this study, homo- and co-PP were modified by nano- calcium carbonate and the effect of additive on scratch resistance evaluated.

在本研究中，均聚和共聚PP用纳米碳酸钙进行改性，评价了添加剂对耐刮擦性的影响。

A small rounded accretionary mass,usually of calcium carbonate,larger and less regular than an oolite.

豆岩一种小的圆形沉积岩，常为碳酸钙，比鲕状岩大且不规则

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。

Different modifier s such as stearic acid,titanate coupling agent,sodium dodecyl benzene sulfonate and phosphorate are applied to improve the surface activity of ground calcium carbonate powder.

通过对改性效果分析，讨论各改性剂的改性特点及最佳配比，寻找碳酸钙的改性最佳工艺。

The acid water in coal pit can be well controlled by adding calcium carbonate and lime.

同时也介绍了处理酸性水的流程。阐述通过添加碳酸钙和石灰，可使酸性采煤坑水得到很好治理。

The Scanning electron microscopy is used to study the morphological features of porcelaneous layer s on surface of freshwater cultured pearls from Zhuji, Zhejiang Province, and the calcium carbonate polymorph of porcelaneous layer s is identified by X-ray powder diffraction.

采用扫描电子显微镜对中国浙江诸暨三角帆蚌养殖珍珠表面特别是无珍珠光泽的瓷质层的微形貌进行了研究，并采用X射线粉晶衍射对瓷质层进行了物相鉴定。

A counter-current multistage leach ing process has been analyzed and used to leach potassium from roasts of potash feldspar, gypsum and calcium carbonate to increase the potassium recovery and the potassium sulfate concentration in the filtrate of the first stage.

采用多级逆流浸取操作方式以提高钾长石热分解烧成物浸取液中硫酸钾的浓度和浸出率，在对浸取过程进行分析和合理假设的基础上对过程进行了数学描述，建立了浸取过程相应参数的计算式。

Paper pulp and mixed blowing agent (sodium bicarbonate,potassium alum,starch,potas- sium D-bitartrate,and calcium carbonate) was used to produce the foaming pulp material.

以纸浆为原料，使用复合发泡剂(碳酸氢钠、钾明矾、淀粉、酒石酸氢钾、轻质碳酸钙)，制作纸浆发泡缓冲材料，得到稳定的实验配方，所得发泡材料的静态缓冲系数在4～5之间。

The company has introduced advanced equipment from abroad,"Raymond Mill Powder Machine," one Taiwan, used in the production of a new area of calcium carbonate powder, talcum powder, fire-resistant soil powder, high fineness of the territory of such Products.

公司现有引进的国外的先进设备"雷蒙磨粉机"一台，用于生产新一带碳酸钙粉，滑石粉、耐火土粉、高领土等高细度产品。

A kind of multifunctional and environmental friendly powder putty has been prepared based on coal ash powder and ground calcium Carbonate and so on as fillers and dry emulsion powder and cement as binder, mixed with proper powder additives and other auxiliaries.

以乳胶粉、水泥为粘结料，粉煤灰、重质碳酸钙、石英砂等为填充料，配以适当的粉末状助剂，制得了一种粉末腻子；探讨了乳胶粉、纤维素醚、水泥、粉煤灰以及复合填料的用量对粉末腻子性能的影响，优化出较佳的粉末腻子配方；测试了粉末腻子的理化性能。

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。