磷灰石

Objective To investigate the efficaey and safety of ~(153)Sm-citrate-hydroxyapatite synovectomy in knee synovitis with rheumatoid arthritis.

目的观察~(153)Sm-柠檬酸-羟基磷灰石滑膜切除术治疗类风湿关节炎持续性膝关节积液的疗效和安全性。

Objective To study effectiveness of string suture Tenon s capsule artificial eye seat of hydroxyapatite.

目的 观察荷包缝合眼球筋膜在羟基磷灰石植入术中的疗效。

String suture Tenon s capsule is a abstract and informal way to be used in artificial eye seat of hydroxyapatite.

荷包缝合眼球筋膜在羟基磷灰石植入术中应用，是一种理想、简便的方法。

Results Same as hyaline cartilage, the calcified cartilage was stained light flavo-green and weak double refraction by the Picrosirius-polarization method. In the immunohistochemistry analysis of collagen Ⅱ protein, the calcified cartilage was stained strong green fluorescence and the collagen protein parallelled in joint surface near the tidemark. The content of collagen Ⅱ protein was (20.16%±0.96%) of tissue dry weight by amino acid analysis, and that of the hydroxyapatite was (65.09%±2.31%) of the inorganic composition in calcified cartilage.

结果 天狼猩红染色见钙化软骨层与透明软骨层一样黄绿色淡染、弱双折光性；Ⅱ型胶原蛋白免疫组织化学分析，钙化软骨层呈强绿色荧光，潮线附近的胶原蛋白呈板层平行分布；氨基酸定量分析钙化软骨层Ⅱ型胶原蛋白含量占组织干质量的（20.16%〖KG-*4〗±0.96%）；X-射线衍射定量分析钙化软骨层中的羟基磷灰石含量占无机成分的（65.09%±2.31%）。

OBJECTIVE: To investigate the feasibility of ultrasonic contrast to evaluate the vascularization of HA orbital implants, and to compare with enhanced MRI.

目的：探讨超声造影评价多孔羟基磷灰石血管化程度的可行性，并与增强MRI对照。

The formation of CHA layer on the coating surface indicates wollastonite coating possesses good bioactivity.

碳酸磷灰石的形成证明，硅灰石涂层具有优良的生物活性。

After long soaking time, both 4-CS and β-wollastonite could develop a HAP layer.

经长时间浸泡后，无定型硅酸钙和β-硅灰石表面都能沈积一层羥基磷灰石。

The results show that the bioceramic coating contains such bioactive phases as hydroxyapatite and tricalcium phosphate during laser cladoping. And the interlaced flake structure and micropores of about 0.5~2 μm in size exist on the surface of accidented gradient bioceramic coating, suitable to grow new bone along with the surface and micropore.

结果表明：激光熔覆复合涂层中生成了羟基磷灰石和磷酸三钙等生物活性相，凹凸不平的表面出现网络交错的片状结构和微孔(孔径为0.5~2 μm)，有利于新骨沿着表面及内部连通微孔攀附生长。

Hydroxyapatite acerate nanoparticles with mean size ranging form 20~50nm are synthesized by the impinging stream devise using emulsion systems consisting of aqueous phase, cyclohexane as the oil phase and OP-10, n-octanol as the nonionic surfactant in definite pH value.

在一定pH值条件下，采用水溶液/环己烷/OP-10/正辛醇四元反相微乳液体系并结合撞击流技术制备出粒径为20~50nm的针状纳米羟基磷灰石晶体。

According to the tissue engineering, porous hydroxyapatite scaffold biomaterial is prepared by the immersion method using organic foam. The effects of pretreatment, the content of agglomerant PVA and HA on the porosity of this material are investigated.

采用有机泡沫法制备了多孔羟基磷灰石支架，考察了水解预处理工艺、粘结剂聚乙烯醇和固相HA的含量对孔隙率的影响，利用扫描电子显微镜观察了支架的孔结构。

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。