磷灰石

The results showed that pure merwinite powers with dimensions of 1 to 3μm could be obtained at 1400℃. The HAp was obviously detected on merwinite after 7days of soaking, and the HAp crystalline on column-like merwinite after being soaked for l4days was in warm-like structure.

结果表明：在约1400℃的煅烧温度下可以得到纯相镁蔷薇辉石粉体，其粒径约为1~3μm；圆柱状镁蔷薇辉石在模拟体液浸泡7d后就能明显检测到表面有舟基磷灰石生成，浸泡14d后呈结晶较好的蠕虫状结构。

The cavities were prepared in the sections of distal and mesial of root canal.

术后五天处死动物，观察材料表面的磷灰石形成情况。

Raman microspectroscopy was applied to monitor hydroxyapatite associated with the differentiation of the human mesenchymal stem cells to osteoblast.

在人体间叶干细胞分化成骨母细胞时，可利用拉曼光谱仪，对不同时期的骨母细胞做监测；最主要的差异是氢氧基磷灰石(Hydroxyapatite， HA)强度的表现。

The kinetic mechanism of the synthesis of hydroxyapatite from monocalcium phosphate and calcium oxide in vibratory mill was studied by using mechanochemical principle, and a corresponding kinetic model was established.

应用机械化学原理，研究了在振动磨样机中由磷酸二氢钙和氢氧化钙合成羟基磷灰石过程的动力学机制，并建立了相应的动力学模型。

Bone morphogenic protein ; Bone matrix gelation ; Hydroxyapatite ; Bone defect.

骨形态蛋白；骨基质明胶；羟基磷灰石；骨缺损

Repair of bone defect by compound of bone morphogenic protein and its prior bone matrix gelatin was compared with repair by BMP with hydroxyapatite.

通过骨形态蛋白与其前身物质骨基质明胶复合，修复家兔桡骨缺损，同时以BMP与羟基磷灰石复合作实验对照。

The ophitic and subophitic textures, elongated apatite crystals, low Al(superscript Ⅵ)/Al(superscript Ⅳ) ratios (0.00-0.28, 0.12 on average) in clinopyroxene, and low Cao content in olivine (0.04%~0.24%, average 0.12%) indicate that the gabbrowas crystallized at a low pressure.

辉长岩所具有的辉绿辉长结构、大量细长针状磷灰石、单斜辉石中较低的Al/Al值（0.00~0.28，平均为0.12）及橄榄石中较低的CaO含量（0.04%~0.24%，平均为0.12%），均体现出浅成侵入岩的特点。

The ophitic and subophitic textures, elongated apatite crystals, low AlⅥ/AlⅣ ratios (0.00 ～0.28, 0.12 on average) in clinopyroxene, and low CaO content in olivine (0.04%～0.24%, average 0.12%) indicate that the gabbro was crystallized at a low pressure.

辉长岩所具有的辉绿辉长结构、大量细长针状磷灰石、单斜辉石中较低的AlⅥ/AlⅣ（0.00 ～0.28，平均为0.12）及橄榄石中较低的CaO含量（0.04%～0.24%，平均为0.12%），均体现出浅成侵入岩的特点。

Methods According to the postoperative anatomic characters after ophthalmectomy,the size of the orbital implant was designed and the hydroxyapatite and dacron cloth were chosen as the materials for making the orbital implant.

根据眼球摘除后的解剖特点设计义眼台的大小，选择羟基磷灰石和涤纶布为材料制作复合材料义眼台。

Objective To discuss the role of American coral porous hydroxyapatite artifical ear-bones in the ossicular chain reconstruction.

目的 探讨美国珊瑚多孔羟基磷灰石人工听骨在听骨链重建中的作用。

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。