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- The TPO result indicated that the graphitization degree of the CNF depended on the active metal composition. TPO结果表明 ;Fe的存在提高了纳米碳纤维的石墨化程度 .
- With the increase of content of flow domain type texture, the graphitization degree increases, but SBET decreases. 煤沥青炭中含有流线型结构越多,则其石墨化度越高,比表面积越低;
- After sintering of high temperature, the graphitization degree of both carbon slide materials is improved. 经过高温烧结处理,滑板材料的石墨化度提高。
- The carbon slide materials are composed of different phases which possess different graphitization degree respectively. 进口碳滑板高石墨化度的相细小且分布均匀,国产碳滑板高石墨化度的相多是大块且分布不均匀;
- The influences of different binder contents on material properties(density,resistivity,graphitization degree) were studied,and the microstructures were observed by SEM. 研究了粘结剂质量分数对材料性能(密度、电阻率、石墨化度)的影响,用扫描电镜观察了材料断口的微观形貌。
- The smooth and dense lubricating film was formed on the surface of the sample with high graphitization degree, which resulted in the decreasement of the wear rate. 石墨化度较高试样的表面能够形成一层光滑、致密的润滑膜,从而降低其磨损率;
- The graphitization degree was tested at different HTTs by X-ray diffraction technology.The relations between the graphitization degree and friction properties were discussed. 采用X射线衍射技术测试了其在不同热处理温度下的石墨化度, 并对石墨化度与材料的摩擦性能之间的关系进行了探讨。
- The graphitization degree is one of the most important structural parameters of C/C composites.But it is difficult to be exactly measured for their multiformity. 复合材料的石墨化度反映了材料中碳结构与理想石墨晶体结构的接近程度,并且是影响其性能的一个重要结构参数。
- Two types of petroleum coke were heated with different maximum heat treatment temperature ( T H,max ),the structure,morphology and graphitization degree of these samples were analyzed by means of XRD,SEM and Raman spectrum. 对两种不同的石油焦进行了高温热处理 ,采用 X射线、扫描电镜和 Raman光谱研究了经不同高温热处理温度 (TH,max)处理过的试样的结构、形貌、织构与石墨化度。
- The results showed that the mixed carbon matrix(pyrolytic carbon and resin-based carbon)C/C composites,which had the highest graphitization degree,had the best anti-ablative performances. 本文利用不同的原料和加工工艺制备出了三种具有不同炭基体的C/C复合材料,这三种炭基体分别是热解炭、沥青炭以及热解炭-树脂炭混合炭基体。
- The textural of pyrolytic carbons were observed by polarized light microscopy(PLM), and the graphitization degree and microcrystal size of these C/C composites was analyzed by XRD. 采用偏光显微镜研究沉积热解炭的组织结构;用X射线衍射仪研究C/C复合材料的石墨化度和微晶尺寸;
- The results show that the carbon/carbon composites with rough lamina have preferred orientation, higher anisotropy and graphitization degree than the carbon/carbon composites with smooth lamina. 结果表明:具有粗糙层热解炭的炭/炭刹车副由于其晶格结构较为完善,生长组织择优取向度和各向异性度均高于含有光滑层结构热解炭的炭/炭刹车副。
- The relationship between the thermal conductivity and graphitization degree of a carbon cloth laminate/rough laminar pyrolitic carbon matrix composite was investigated by laser flash method and XRD. 采用脉冲激光闪光法和XRD,分析了一种炭布叠层/粗糙层结构热解炭复合材料的导热系数与石墨化度之间的关系,建立了二者之间的定量数学模型,并运用声子导热机制对其机理进行了探讨。
- The study on graphitization degree,porosity(volume density),purity,resistance coefficient and crystal structure etc of graphite is summarized. 文章针对人造金刚石用石墨材料主要性能的研究进行了综述,包括石墨化度、气孔率(体积密度)、灰分(纯度)、电阻率以及晶体结构等等。
- densification and graphitization degree 密度和石墨化度
- Prolonging the time of coking can optimize the structure, enhance the graphite degree, and improve the properties of carbon foams. 通过延长焦化时间可以优化泡沫炭结构、提高石墨化度,进而提高泡沫炭产品性能。
- Each of the components is useful in its degree. 每一个元件都各有程度不同的用处。
- Criticism is not lost on you to some degree. 在某种程度上,批评对你起了作用。
- An honorary degree was conferred on Mr.Jones. 琼斯先生被授予一个荣誉学位。
- They cannot be trusted in the slightest degree. 对他们一点也不能相信。