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Ultrastructural Analysis on the Osteogenesis and Transformation of Calcium Phosphate Ceramics in Vivo

Honglian DAI , Shipu LI , Yuhua YAN , Xianying CAO , Xuehui LU , Yang LENG

To study the osteogenesis and transformation process of calcium phosphate bioceramic in vivo, biodegradable porous beta-tricalcium phosphate ceramics (β-TCP, 5×8 mm) were implanted in the tibia of rabbits. β-TCP ceramics with surrounding bone tissue were retrieved and observed by SEM, TEM and EPMA e...

关键词: Calcium phosphate ceramics , null , null , null , null

EPMA Study of the Interface of β-Tricalcium Phosphate Ceramics in Vivo

Honglian DAI , Xianying CAO , Haichen SHAO , Chunhua SHEN , Shipu LI

材料科学技术（英文）

Electron probe and X-ray energy spectrum were used to investigate the chemical composition of the interface between material and new bone after porous tricalcium phosphate ceramic implanted in tibia of rabbits. The element changes of the interface, the materials transformation and the situation of n...

关键词: Calcium phosphate , null , null , null

液态CaO-SiO_2和CaO-Al_2O_3-SiO_2渣中CaO的活度

邹元爔 , 赵彭年 , 曹兆民

金属学报

利用石灰的加碳还原反应,设计了一个新的研究方法,以直接测定液态高炉型渣中CaO的活度.这一方法的成功,依靠溶剂金属的正确选择以降低熔液中钙的化学位,而使金属钙量提高到可以用化学分析测定的水平.我们估计钙在锡稀溶液中的活度系数很小,可能符合...

关键词:

MgO-CaO耐火材料性能研究进展

王宏联 , 崔庆阳 , 薛群虎 , 闫振华 , 宋鹏涛 , 田晓丽

耐火材料 doi:10.3969/j.issn.1001-1935.2010.01.018

介绍了MgO-CaO耐火材料的特性,总结了提高MgO-CaO耐火材料的抗水化性、烧结性、抗渣性、抗剥落性等的技术措施.提出了MgO-

关键词: MgO-CaO耐火材料 , 抗水化 , 应对措施

Investigations of the g factors of Fe+ in MgO and CaO

Zeitschrift Fur Naturforschung Section a-a Journal of Physical Sciences

The g factors of Fe+ in MgO and CaO are theoretically investigated by the perturbation formula of the g factor of a V ion in cubic octahedral symmetry based on the cluster approach. By considering the partial quenching of the spin-orbit coupling interaction and the eff...

关键词: electron paramagnetic resonance;crystal- and ligand-field theory;Fe+;MgO;CaO;atomic screening constants;electron spin resonance;paramagnetic-resonance;orbit interaction;scf functions;crystals;spectra;oxide;co2+