【摘 要】
：
在不同条件下对摩尔组分为3Na2O-12TiO2-57CaO-28P2O5玻璃进行热处理,研究其热处理条件与微晶玻璃的β-Ca2P2O7晶相含量和生物活性的关系.实验结果表明: 该组成玻璃经热处理
【机 构】
：
浙江大学材料科学与工程系,Institute of Biomedical Engineering
论文部分内容阅读
在不同条件下对摩尔组分为3Na2O-12TiO2-57CaO-28P2O5玻璃进行热处理,研究其热处理条件与微晶玻璃的β-Ca2P2O7晶相含量和生物活性的关系.实验结果表明: 该组成玻璃经热处理后, 可以获得含有β-Ca2P2O7, CaTi4(PO4)6, NaTi2(PO4)3和TiP2O7晶相的微晶玻璃, β-Ca2P2O7为主晶相. 随着成核温度提高和成核时间的延长, β-Ca2P2O7晶相在微晶玻璃中含量增加.含较多β-Ca2P2O7晶相的微晶玻璃有较强的生物活性, 主要是由于β-Ca2P2O7晶相有较强的促进生物活性的能力, 因而使微晶玻璃有较强的生物活性, 其结果是改变微晶玻璃的热处理条件就改变了微晶玻璃的生物活性.
其他文献
Induced pluripotent stem (iPS) cells are a recent development which has brought a promise of great therapeutic values. The previous technique of somatic cell nu
Background Despite the prevalence of Streptococcus pneumoniae serotype 19A, the molecular characteristics of this serotype are yet to be fully elucidated. The a
Payment for ecosystem services (PES) has attracted considerable attention as an economic incentive for promoting natural resource management recently.As emphasi
Background Some individuals have multiple renal arteries. Severe stenosis in one of the arteries may cause refractory hypertension. The detection of stenosis wi
To study the role of leaf litter in the mercury (Hg) cycle in suburban broadleaf forests and the distribution of Hg in urban forests,we collected leaf litter an
Background As an uncommon presentation, occult primary breast cancer remains a diagnostic and therapeutic challenge in clinical practice. This study aimed to re
以氰基乙酸乙酯为原料,经与二硫化碳、硫酸二甲酯反应合成了2-氰基-3,3-二甲硫基丙烯酸乙酯(1),然后引入对氟苯乙胺得到化合物(3),其与脂肪胺反应合成了新型含对氟苯乙氨基的
测量了Ni52 Mn2 4 Ga2 4 单晶样品在磁场加载和未加载情况下马氏体相变时的相变应变 .分析结果表明 :用提拉法生长单晶时在晶体内部引入了单一取向的内应力 ,该取向内应力可
Agglomerates formed in the lfuidized bed were studied in this paper using the TEB atomization nozzle. The multi-sieving method was adopted to distinguish the si