碳酸钙

The nucleation-growth mechanism for cubic and rod-shaped CaCO3 nanoparticles is discussed. This may be associated with the structure and shape of PMAA-DDT.

分析了立方状和棒状纳米碳酸钙的形成机理，发现这可能与PMAA-DDT的分子结构与形状有关。

It considered the sandbag structure could dissipate impact energy by deformation of nano-CaCO〓 agglomerate embedded by elastomer.

这种沙袋结构使得纳米碳酸钙和弹性体对复合材料的冲击强度的提高有显著的协同效应。

Results of scratch test that the calcite-coated sample had low friction force than the as-diecast AZ91D.

由刮痕试验可知长有碳酸钙皮膜之AZ91D试片的摩擦力低於基材AZ91D。

This study is looking at the properties of calcium-carbonates affecting the strength and productivity of the sinter phase.

在此研究中三种不同来源碳酸钙的破碎粒径分布、吸水性及造粒特性已被分析。

The influence of temperature ,specific density of Ca 2,additibes on Its size and morphology were discussed.

考察了碳化反应温度、灰乳密度、添加剂等因素对碳酸钙粒子粒径和形貌的影响。

Water, containing dissolved calcium hydrogen carbonate, passes through the limestone and drops evaporate on the stalactite, increasing its length with a deposit of calcium carbonate

含有溶解碳酸氢钙的水通过石灰石滴在钟乳石上蒸发，随着碳酸钙沉积物的增加不断增加着它的长度。

The stalactites of different postures are formed by calcium carbonate in rocks dissolved by the action of groundwater and deposited and crystallized after millions of years.

千姿百态的钟乳石是由于地下水的作用，溶解岩石中的碳酸钙，经过上百万年的沉淀结晶堆积而成。

The effects of Zinc stannate coated CaCO3 (ZSC-1) flame retardant on properties of PVC cable material were studied by the tests of OI, SDR, thermal property and mechanical property.

通过氧指数、烟密度等级、热性能和力学性能的测定，研究了锡酸锌包覆碳酸钙阻燃剂对聚氯乙烯电缆料性能的影响。

This method is based on the conductivity measurement of the supersaturation solution.

本试验把碳酸钙结晶析出的过程分为两个阶段进行研究：晶核生长和晶粒长大。

In the study, the results indicated that a certain amount of scale inhibitors and temperature have influence on the rate of crystallization.

在阻垢剂和温度对碳酸钙结晶影响的试验研究中表明，温度、阻垢剂对碳(来源：5fABbbC论文网www.abclunwen.com)酸钙结垢的反应速率产生影响。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。