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mechanical相关的网络例句

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The mechanical and calorifics properties of composites rise with the increase of SWNTs concentration,composites showed higher mechanical properties such as Young's modulus,tensile strength and elongation along the stretched direction than perpendicular to it.

对复合材料进行了力学性能测试,随着碳纳米管含量的增加,复合材料的弹性模量、拉伸强度和延伸率均得到明显提高,并表现出明显的各向异性。TGA分析表明SWNTs的加入明显提高了复合材料的热稳定性。

Scanning Electronic Microscope, Differential Scanning Calorimetry and mechanical testing methods are used to analyze the structure and mechanical properties.

采用扫描电镜、差式扫描量热仪和力学测试方法,研究了紫外线对玻璃纤维增强复合材料力学性能的影响。

9GPa respectively, and those of random short fiber composites are 145MPa and 13. 0GPa respectively. Therefore, the initial mechanical capability of unidirectional long fiber and short fiber composites of CPP/PLLA is able to satisfy the requirement of mechanical capability of internal bone fixation materials for cortical bone, and random short fiber composites of CPP/PLLA for cancellated bone.

因此,CPP/PLLA单向长纤维及单向短纤维复合材料的初始力学性能满足承重骨骨内固定材料的力学性能要求;CPP/PLLA随机短纤维复合材料的初始力学性能满足松质骨骨内固定材料的性能要求。

Carboxy styrene-butadiene rubber/sodium based clay composites were prepared by emulsion intercalation, the microstructure of the composites was characterized by X-ray diffraction, and the mechanical properties and dynamic mechanical properties of the composites were studied.

用乳液插层法制备了羧基丁苯橡胶/钠基黏土(XSBR/Na-clay)复合材料,用小角X射线衍射仪对其微观结构进行了表征,并对其动态力学性能和力学性能进行了研究。

However, it is not known how orthodontic force influences the function of cementoblast and what is the relationship between the function change of cementoblast with root resorption. So we studied the effect of mechanical stimuli on root resoption by examining the expression OPG and RANKL and exploring the related signal transduction pathway in cementoblast. Methods: Cementoblasts OCCM30 were cultured in DMEM with 10% FBS for 48 hours and starved in DMEM with no FBS for 24 hours, then subjected to mechanical strain by four-point bending system with tension and compression stress at 2000μstrain at 0.5Hz frequency. The flow cytometry was used to examine the cell cycle and proliferation activity after 3h, 6h, 12h, 24h loading respectively. OPG and RANKL mRNA were analysed with real time quantitive RT-PCR after the same loading period as FCM.

本课题利用四点弯曲力学加载系统,采用流式细胞术、实时荧光定量PCR、Western免疫印迹等方法,研究体外培养的成牙骨质细胞株OCCM-30在不同力学环境中增殖活性的变化,以及其表达骨保护素和破骨细胞分化因子的mRNA的变化,探讨应力刺激对成牙骨质细胞表达破骨细胞分化调控蛋白的影响,并通过对应力刺激下成牙骨质细胞分裂原活化蛋白激酶家族中的ERK1/2、P38MAPK活性的变化及其与OPG、RANKL基因表达变化关系的研究,对力学刺激调节破骨细胞分化调控蛋白的相关上游信号转导通路进行初步探讨。

The analysis of the mechanical sensitivity and the density indicated that the system which contained the F rubber, ceresin and graphite had a very good effect on shaping performance and mechanical sensitivity. Both the friction and impact sensitivity were 0. When the pressure reaches to 900 kg/cm2 the density ratio could achieve 99.2%.

对机械感度和压制药柱密度的测量和分析,研究结果表明在九种粘结-钝感体系中,F橡胶、蜡类钝感剂、石墨组成的粘结-钝感体系成型性能和机械感度最为优越,其摩擦和撞击感度都为0.00,900比压时可压系数可达到99.2%。

Helm flywheel:go round and round timing and escapement of Mechanical watches,the equipment's advantage is balance wheel and escapement self-move with 360 degree circumvolve,so high limit minish the effect of gravity,and improve the time veracity ,because gravity will make Mechanical wristwatches bring small difference, helm flywheel setting in order to overcome this difference.

舵飞轮:机械钟表西的&旋转纵擒调快机构&,那种卸置的特色是摇轮战纵横机构在本身运止的异时借可以一讫息360度旋转,所以最小限度加老了天口引力的影响,进步了走时精度。果替地口引力会使机械腕表的走时发生纤细的差同,陀飞轮安装就是往战胜那种差别的。

On the basis of previously research, this paper re-probe into the mechanism of electro-chemist mechanical manufacturing process, making the rational technological parameter, and developing the manufacturing equipment. Through a lot of technology tests, get a lot of labratory data, accordingly, researched the surface feature of the electro-chemist manufacturing process, and deeply discussed its influence on the work piece feature. The last result is that: the electro-chemist mechanical manufacturing process can reduce the low-frequency component significantly, but on high-frequency component, it has little influence, having obviously positive pole flat effect. After manufacture, the tip parts on the surface of the work piece is cut off, there is micro "high land" shape, the parameter for surface roughness is reduced a lot, the surface outline of the work piece is negative, the bearing length rate is cliffy. Also the surface quality of the work piece is improved. This can help to avoid changing the shape, improve the feature of rub, gear and reduce the time to suit. This would also ensure the precision and result in a longer work piece life.

在以前研究的基础上,本论文重新探讨了电化学机械复合光整加工工艺的机理,确定了较合理的工艺参数,对电化学机械复合光整加工设备进行了改进,通过工艺实验广泛地搜集了大量实验数据,依据实验数据,多角度地研究了电化学机械复合光整加工的表面形貌特点,并且从理论上深入讨论了电化学机械复合光整加工表面形貌对工件工作性能的影响,最后得出的结论为:电化学机械复合光整加工对工件原始表面的低频成分有较大程度的降低,而对高频成分影响较小,有明显的阳极整平作用,被加工工件表面的尖峰状凸起被去除,工件表面呈现出微观&高原型&,表面轮廓不平度高度特性参数大幅度降低,工件表面轮廓分布集中,且呈负偏态,轮廓偏斜度为负值,轮廓支承长度率曲线陡峭,工件的表面质量得到综合改善,这对提高零件的抗接触变形能力、改善摩擦、磨损性能、降低工件的磨合时间、提高工件的精度保持性、延长工件的寿命均有利。

Because be mingled with of the sulfide in rolling process steel and rolled steel are coinstantaneous,be out of shape , its want to the influence of the mechanical function of direction of rolled steel length relatively blame rolling direction is mechanical the impact of function is little much.

由于轧制过程钢中硫化物夹杂和钢材同时发生变形,其对钢材长度方向的力学性能的影响要较非轧制方向力学性能的影响小得多。

Thereinto, using VC++ made development through external mode, took ActiveX technology to work out component, parameterized design method and so on, developed and empoldered a mechanical component design system based on ASP, and the paper took two columned level wheel reducer for example illustrated realization remote design process of mechanical part.

其中,利用VC++对UG进行了外部模式的二次开发,同时采用了ActiveX技术进行了组件开发以及参数化设计方法等,研制和开发了一套基于ASP的机械零部件设计系统,并以二级斜齿圆柱齿轮减速器的网络化设计为实例详细地讨论了其远程设计的实现过程。

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