| 1. | The sbf cultivation results by different surface modification methods were : nano - tio2 coating > alkali solution treatment > tio2 coatings sintered in normal pressure > tio2 coatings sintered in vacuum 不同表面改性方法的sbf培养结果比较为:纳米二氧化钛涂层碱液处理方法常压下烧结二氧化钛涂层真空下烧结制备的涂层。 |
| 2. | The bonelike apatite is formed on the anodized substrate when it is subjected to alkali and heat treatment and then dip into the sbf solution . after 7 days the bond strength of bonelike apatite layer to the substrates can reach 36mpa 当对氧化钛膜进行适当的碱处理和热处理,在人体仿生液sbf溶液中浸泡7天后表面形成的骨质磷灰石与基体的结合强度可达到36mpa 。 |
| 3. | Both the sbma and cdc grant essentially the same incentives to registered sbf and csez enterprises , such as 1 tax and duty - free importation of machineries , equipment , raw materials , and all other articles including finished products 2 no local and national taxes Sbma和cdc都授予已注册的sbf和csez企业基本相同的奖励措施,如1 )进口机械、设备、原料和其它产品包括成品免除税收和关税; 2 )无地方和国家税收 |
| 4. | The films were soaked in sbf simulated body fluid and cpbs phosphate buffer solution , the results showed that the fha films were less soluble than ha films . with the increase of fluorine content , the fha sediment layer in sbf solution becomes more even Fha薄膜sbf浸泡实验结果表明:随着薄膜中氟含量的增加,薄膜表面上羟浙江大学硕士学往论文基磷灰石沉积层越来越均匀,沉积方式由岛状向层状转变,说明生物活性随之增加。 |
| 5. | The composites are soaked in simulated body fluid ( sbf ) to evaluate their biological behaviors . the results suggest that all the composites show bioactive as there are nano apatite / " crystallites formed on the surface of the composites ‘把不同ha含量的iiarpmma复合材料浸入模拟体液( sbf )中,一段时间后发现,这些复合材料表面都有类骨磷灰石相生成,样品质量有不同程度的增加,而形貌上的区别较大,说明本工作获得的复合材料都具有生物活性。 |
| 6. | The bioactivity of the anodized substrate is evaluated when it is subjected to alkali and heat treatment to form a sodium titanium hydrogel and bonelike apatite on the surface of titanium alloys in simulated body fuild ( sbf ) with ion concentrations near ly equal to those of human blood plasma 借助扫描电镜、 x射线衍射仪、俄歇电子能谱仪和x射线能谱仪,对氧化钛膜的结构、阻止离子释放作用、表面活性骨质磷灰石的形成及结合强度进行了较为系统的研究。 |
| 7. | In order to improve titanium alloy ' s biocompatibility , the titanium dioxide coating was fabricated on ti matrix . besides , the surface of titanium alloys was directly disposed by alkali to make it possess bioactivity . biocompatibility and bioactivity of the material after surface modification were evaluated through the simulated body fluid ( sbf ) cultivation and cell cultivation experiment 为了提高材料的生物相容性,本研究对自制的钛基体进行了二氧化钛涂层的制备和表面碱液生物活化处理的研究,并采用模拟体液培养实验和细胞培养实验评价了表面改性后材料的生物相容性和生物活性,对基体以及表面改性后材料的组织形貌、相组成和生物相容性进行了观察、分析与评估。 |