磷酸钙

However, the mechanism of the bioactivity of calcium phosphate ceramics has not fully elucidated.

然而，磷酸钙陶瓷生物相容性和生物活性的机理至今尚未被充分阐明。

［objective］to investigate the effect of an effervescent-sucrose on the properties of calcium phosphate cement.

作者单位：兰州大学，兰州 730000 研究造孔剂蔗糖对磷酸钙骨水泥性能的影响。

ResultsThe transfection efficiency was 67%, 43% and 28% by lipofectamine, electroporatin and calcium acid phosphate.

结果脂质体法的转染率为67%，电穿孔的转染率为43%，磷酸钙法的转染率为28%。

Aim:The cytotoxicity of polymeric calcium phosphate bone cement was studied.

目的：对自已合成的聚合磷酸钙骨水泥细胞毒性进行了研究。

After boiling the milk and the calcium phosphate precipitation phenomena occur, reducing the nutritional value of milk.

煮沸后的牛奶和磷酸钙沉淀现象的发生，减少了牛奶的营养价值。

How to control calcium phosphate scale has become more important in cooling water systems.

如何在冷却水中控制磷酸钙垢已变得更为重要。

To improve mechanical properties of calcium phosphate bone cement,carbon fiber was used as the reinforcing phase .

采用碳纤维为增强相以提高磷酸钙骨水泥的力学性能。

As calcium phosphate is a brittle material, it might disintegrate oer time because of fatigue failure of the cement.

由于磷酸钙是一种脆性材料，随着时间的推移它可能会因为骨水泥的疲劳折断而裂变。

Objective To investigate the effect of different diameter powder on setting time and compressive stress of carbonated hydroxyapatite cement.

磷酸钙水泥作为一类新型的骨缺损修复材料，具有良好的生物相容性和原位固化性能，逐渐成为近年的研究热点[1，2 ] 。

Calcium phosphate ; biphasic ceramic ; bone tissue engineering ; bone grafting

磷酸钙；双相陶瓷；骨组织工程；骨修复

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。