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1.Creep behaviour of the composite made of an unidirectional T300(PAN) carbon fibre reinforced CVD pyrolytic carbon was examined in range of 1990 to 2350℃.
用化学气相沉积热解制备了一种单向T300(PAN)纤维增强复合材料,在1900-2350℃范围内测定材料的蠕变性能。收藏指正
2.Carbon/carbon composites (C/C) prepared by chemical vapor deposition (CVD) are reviewed in this paper, which mainly covers the fabrication methods, the influential factors, the tissues of pyrolytic carbon and the deposition mechanisms involved in the process.
主要介绍了/复合材料(C/C)的化学气相沉积(CVD)制备方法及其影响因素,以及热解的组织与沉积机理。收藏指正
3.The pyrolytic carbon samples were implanted by silver ions at the energy of 70 keV with the dose of 5× 1014 ,1 × 1016,1 × 1018ions/cm2. The results show that the cytotoxicity of Ag+-pyrolytic carbon is ranked at grade 0 or 1. Pyrolytic carbon with the dose of 5×1014,1×1016 ions/cm2 have hemolysis ratio less than 5% which can meet with the standard of medical materials.
银离子注入的能量为 70keV,剂量分别为5×1014、1×1016、5×1018ions/ cm2。 实验结果表明注银热解的细胞毒性为0、1级, 基本上无毒性;收藏指正
4.The results showed that the capacities of four types of bacteria for adhesion to Dacron, Pyrolytic carbon and PTFE coincided with the bacterial-growth curve.
结果四种细菌对三种材料粘附能力与细菌生长曲线基本一致。收藏指正
5.as for 2D C/C, die materials failed in laminar cracks, indicating the flexural behaviors were controlled by the pyrolytic carbon and interfaces on great degree;
而对于2DC/C,其弯曲破坏表现为层间开裂,性能在很大程度上受基体、界面控制;收藏指正
6.Effects of the preform and pyrolytic carbon structure on the thermophysical properties of 2D C/C composites are studied. The C/C composites possess low coefficient of thermal expansion (CTE).
在 0~ 90 0℃ ,研究了预制体结构和热解组织对二维C/C复合材料的热膨胀系数、比热容、热扩散率、导热系数等热物理性能影响。收藏指正
7.RESULTS It required at least 10 8 CFU of S.epidermidis to cause the subcutaneous soft tissue infection of rabbits. But in the existence of Dacron, pyrolytic carbon, PTFE, the infection could be caused with 10 4 CFU, 10 6 CFU, 10 6 CFU of bacteria, respectively. The difference was significant(P<0.05).
结果 表皮葡萄球菌引起兔皮下软组织感染最少需要 10 8CFU细菌 ,当涤纶、热解、聚四氟乙烯存在时 ,分别只需要 10 4 CFU、10 6 CFU、10 6 CFU细菌 ,差异有显著性 (P<0 .0 5 )。收藏指正
8.Electrochemical behavior of Dawson-type P2W18O626- deposited on a glassy carbon electrode, Keggin-type SiMo12O404- and its derivative Dy (SiMo11O39 )213- deposited on a pyrolytic graphite electrode was described. All these modified electrodes displayed catalytic activity for nitrite reduction in acidic solutions and the catalytic current is linear to the square root of nitrite concentration.
详细地研究了吸附在热解石墨电极表面的SiMo12O404-以及Dy(SiMo11O39)213-和吸附在玻电极表面的P2W18O626-的电化学行为,结果表明这些杂多化合物修饰电极在酸性条件下均对NO2-的还原有很好的催化作用,其催化电流与NO2-的浓度的平方根里线性关系。收藏指正
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