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   nature bone 的翻译结果: 查询用时:0.203秒
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nature bone
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  “nature bone”译为未确定词的双语例句
     The 90%Ti-nHA composite sintered at 1100℃ has the highest flexural strength (165MPa), which is higher than the cortical bone (160MPa). The compressive elastic modulus(10. 426GPa) is similar to the nature bone (4.9GPa—9.5GPa) .
     1100℃真空烧结90%Ti—nHA复合材料的抗弯强度为165MPa,高于人体骨的抗弯强度(160MPa),压缩弹性模量为10.426GPa,与人体骨压缩弹性模量(4.9GPa—9.5GPa)接近,表现出较好的生物力学相容性。
短句来源
     Result Nano-phosphate artificial bone scaffolds was similar to sponge,the pore size was 100-300um,the ratio of porosity was above 90%,and inner structure was homothetic to the nature bone.
     结果纳米磷酸钙/Ⅰ型胶原复合人工骨支架材料呈海绵状,具有100-300um 的孔径和90%以上的孔隙率,X 线衍射分析内部纳米磷酸钙为纳米尺度,具有类似天然骨的结构,纳米磷酸钙晶体沉积在支架胶原纤维表面。
     Porous BCP ceramic simulated as the structure of nature bone is an excellent scaffold materials of bone tissue engineering, which is suitable for the growth of cells and bone tissue.
     模拟人体自然骨结构的多孔型BCP适宜细胞及骨组织的长入,是一类优异的骨组织工程支架材料。 概述了BCP生物陶瓷材料的研究历史、制备工艺及材料表征;
短句来源
     When fixated by high elastic modulus bone plate, the minimal strain owithin the f nature bone was less than the threshold value (50με-200με) while standing up, thenwhich caused to bone resorption faster than bone formation, which This is accorded with the clinical phenomenon such as nonunion bone, screw pulled out, bone refractured.
     植入金属骨板后,在自然骨内产生的最小应变小于Frost提出骨骼“力学稳定性理论”理论的第一阀值(50με-200με),使局部骨吸收快于骨形成,与金属骨板临床上引起的骨折不愈合、螺钉脱出和再次骨折等现象相符合;
短句来源
     Firstly hydroxyapatite/collagen bone-like biomimetic composite was synthesized through self-organization mechanism of materials stimulating in vitro biomineralization process of nature bone,which was further synthesized with polylactide and the 3D porous reservoir control-released drug carrier was fabricated by thermal-induced phase separation techniques/non-solvent extraction pore leaching technology.
     首先在体外模拟天然骨的生物矿化过程,利用材料的自组装机制合成了羟基磷灰石/胶原类骨仿生复合材料,再采用热致分相/非溶剂抽提成孔技术进一步与聚乳酸复合制备了三维多孔储存式药物控释载体。
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  相似匹配句对
     Effect of stress shielding on the mechanical nature of lengthened bone
     应力遮挡对延长骨力学性能的影响
短句来源
     EXPERIMENTAL STUDY ON THE EFFECT OF OSTEOPOROSIS ON THE BIOMECHANICAL NATURE OF BONE
     骨质疏松对骨生物力学性质影响实验研究
短句来源
     Nature and Life
     性与生命——从性看《庄子》的生命意识
短句来源
     On the Nature of Occupancy
     占有性质解读
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     The Bone Collector
     人骨拼图
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  nature bone
The phase angle (tan δ) of the pure PVA gel is larger than that of the nano-HA/PVA composites at the test frequency spectra, but all the phase angle values of the tested composites were close to that of nature bone.
      
Brushite was observed in this callus beside apatite, and the number of crystals found was less than in physiological nature bone.
      


The biologically active porous implants was composed of Tc4 HA and BGC,which were stintered at high temperature,A composite of this material and bone morphogenetic protein(BMP)was implanted in jaw and femur of adult dogs for 1~12 weeks,The bone-implant interfaces were observed and the content of new bone apposition was measured.The results showed that the combination of BMP composited with bioce-rarnic porous titanium mixing stintering implants and host bone had been formed in the interface by three-phase(titanium...

The biologically active porous implants was composed of Tc4 HA and BGC,which were stintered at high temperature,A composite of this material and bone morphogenetic protein(BMP)was implanted in jaw and femur of adult dogs for 1~12 weeks,The bone-implant interfaces were observed and the content of new bone apposition was measured.The results showed that the combination of BMP composited with bioce-rarnic porous titanium mixing stintering implants and host bone had been formed in the interface by three-phase(titanium oxide,HA crystal phase,glass ceramic phase).The various technic data of the bone-implant interface due to its three phase propaty is beltes than any alone material.Alayer of calcium phosphate forma-tion and bioceramic product deposition has been observed.The combination of evbernal cell metrix(proteo-glycan mucoitin)with nature bone and the inducement of calcium phosphate deposition might play an impor-tant role in the osteointegration between implant and bone.The process of osteogensis has been advanced and increased by BMP composited with implants.but the characteristics of the materials and the mechanism of osseointegration had not been altered.

作者将钛(Tc_4),羟基磷灰石(HA)和生物活性玻璃陶瓷(BGC)颗粒混合烧结成生物活性微孔复合种植体复合骨形成蛋白(BMP)移植于20只成年杂种狗颌骨和股骨内,对1~12周标本进行检测、观察和成骨量的测定.证明种植体与骨界面结合在于界面存在三相性(钛氧化膜:TiO,Ti_2O,Ti_2O_3,HA晶相和BGC晶相),使钙、磷富集层形成,生物陶瓷降解产物再沉积,蛋白多糖、粘多糖类细胞外基质和天然骨粘合物粘连沉积并引导钙盐沉积在界面上,测得该种植体各项技术指标优于目前单一材料种植体技术指标.

Based on the piezoelectric effect of nature bone, the biocompatibility of a piezoelectric ceramic and bone tissue is observed and studied in four aspects: cytocompatibility, tissue compatibility, mechanical compatibility and electro compatibility. The results show that the piezoelectric ceramic is biocompatible. It is not harmful to the morphology and proliferation of L 929 . There is osteal combination between the piezoelectric ceramic and bone. Its mechanical properties are also suitable...

Based on the piezoelectric effect of nature bone, the biocompatibility of a piezoelectric ceramic and bone tissue is observed and studied in four aspects: cytocompatibility, tissue compatibility, mechanical compatibility and electro compatibility. The results show that the piezoelectric ceramic is biocompatible. It is not harmful to the morphology and proliferation of L 929 . There is osteal combination between the piezoelectric ceramic and bone. Its mechanical properties are also suitable for bone replacement. Especially, it can induce the growth of osseous tissues along the chosen direction according to the piezoelectric properties of bone. It is envisaged that the piezoelectric ceramic may be developed and used as a novel material for bone replacement.

根据骨的压电现象 ,从细胞、组织、力学和电学相容性的角度分别考察了压电陶瓷材料与骨组织的生物相容性。结果显示该压电陶瓷材料与骨组织的生物相容性良好 ,对细胞的生长形态和增殖情况无不良影响 ;材料——骨界面形成骨性结合 ;材料的力学性能亦能满足要求 ;尤其在与骨组织的压电性能相匹配方面展现了优势 ,可引导新生骨质定向沉积。显示了压电陶瓷作为一种新型的修复材料的良好应用前景。

Chitosan (CS),an N-deacetylation product of chitin,consists of glucosamine and N-acetylglucosamine units linked through 1~4 glycosidic bonds.CS rod is selected as a potential material for bone fracture internal fixation of human being due to its biodegradability and inherent wound healing.Incorporation of hydroxyapatite (HA),the mineral component of bone,could improve the bioactivity and the bone-bonding ability.A HA filled CS rod was prepared by in-situ precipitation.The mechanical properties were characterized...

Chitosan (CS),an N-deacetylation product of chitin,consists of glucosamine and N-acetylglucosamine units linked through 1~4 glycosidic bonds.CS rod is selected as a potential material for bone fracture internal fixation of human being due to its biodegradability and inherent wound healing.Incorporation of hydroxyapatite (HA),the mineral component of bone,could improve the bioactivity and the bone-bonding ability.A HA filled CS rod was prepared by in-situ precipitation.The mechanical properties were characterized and evaluated for suitability as a bone graft substitute.X-Ray Diffraction (XRD) was performed to determine the change of the structure of HA in the before and after processing.Scanning electron microscopy (SEM) was carried out to investigate the microstructure of CS/HA composite.Effect of HA content on the mechanical properties and water absorption of CS/HA composite were also investigated.It was observed that the mechanical properties of the composite in the dry condition improved as the percentage of CS content increased.Mechanical properties of such CS/HA composite rod are much better than that prepared via traditional method.Bending strength,bending modulus,double shear strength and compress strength of CS/HA composite are 67.8*!MPa,3.3*!GPa,21.2*!MPa and 47.8*!MPa,respectively.All of these material properties are twice or three times stronger compared with that of nature bone of human being,indicating that such a novel bioabsorbable CS/HA composite could be used as internal fixation of bone fracture.Furthermore,the water absorption of CS/HA composite decreased when addition of HA powders into CS matrix,which contributes to postponing the attenuation of mechanical properties of CS/HA composite under moisture condition.

利用原位沉析法制备出一种以壳聚糖 (Chitosan ,CS)为基体 ,羟基磷灰石 (Hydroxyapatite,HA)为填料的新颖的复合材料 ,系统研究了HA含量对复合材料的力学性能和吸水率的影响 .CS HA的弯曲强度为 6 7 8(MPa) ,弯曲模量为 3 3(GPa) ,剪切强度为 2 1 2 (MPa) ,压缩强度为 4 7 8(MPa) ,均比人的自然骨高 2~ 3倍 ,基本满足了作为骨折内固定材料的力学性能的要求 .HA加入到CS使CS HA复合材料的吸水率下降 ,有助于延缓其力学强度在湿态环境下的衰减

 
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