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- graphitic carbon foam 石墨化碳泡沫
- S. Iijima,” Helical microtubules of graphitic carbon”. Nature, Vol. 354, pp. 56-58(1991). 成会明,纳米碳管制备、结构、物性及应用,化学工业出版社:北京,第11页(2002)。
- Iijima S,” Helical microtubules of graphitic carbon”. Nature, Vol. 354, pp. 56-58(1991). 成会明,纳米碳管制备、结构、物性及应用.;化学工业出版社:北京,第11页(2002)。
- The retention mechanism of dencichine on a porous graphitic carbon column seems to be mainly hydrophobic interaction according to the study. 对三七素在石墨化碳柱上的保留及其影响因素的研究结果表明:三七素在石墨化碳柱上的保留机理仍主要是疏水相互作用。
- Carbon foam can exhibit isotropic material properties with the high thermal conductivity, in addition of low density, refractory property, high strength and oxidation resistance. 炭素泡沫材料由于可以制成各向同性的高热传导性材料,加之质轻、耐高温、高强度、抗氧化等性能,已成为炭素材料研究新热点。
- A carbon foam was prepared from petroleum mesophase pitch in a high pressure/high temperature reactor by self-bubbling of volatile gas and infiltration of nitrogen at high pressure. 利用沥青在热解过程中产生挥发性气体自发泡和高压渗氮的原理,以石油中间相沥青为原料,采用高压反应釜制备炭泡沫材料。
- Carbon foam is a novel thermal management material which is produced from mesophase pitch, and possesses high thermal conductivity after carbonization and graphitization. 具有高导热、低密度的新型高性能碳泡沫是最近发现的一种高新材料,它以中间相沥青为前驱体,然后发泡、碳化、石墨化制得。
- Keywords carbon foam;pitch-based;graphitic particles;reinforced;structure study;mechanical properties study;thermal conductivity; 新型碳泡沫;沥青基;石墨;改性;结构;力学性能;导热性能;
- Preparation and Performance of Carbon Foam 泡沫炭的制备和性能
- STRUCTURE AND PROPERTIES OF CARBON FOAM 碳泡沫的结构及其性能
- The boron abundace that control graphite carbon source powder anticipate is a transparent key question with boron diamond composition. 控制石墨炭源材料的硼含量是透明含硼金刚石合成的关键问题。
- Gas Chromatographic Analysis of C4 Hydrocarbons by Modified Graphitized Carbon Black . 改性石墨化炭黑对C_4烃的色谱分离
- Carbon foams were prepared from coal tar pitch, petroleum mesophase pitch, and AR pitch. 分别以煤沥青、石油中间相沥青和AR沥青为前驱体制备炭泡沫材料。
- It was shown that the carbon functional group contained a very small amount of graphitized carbon and some other or hydroxyl group. 研究结果表明,准格尔褐煤颗粒表面含碳官能团中石墨化碳含量非常低,但同时具有一定含量的双键碳;
- It was shown that the carbon functional group contained a very small amount of graphitized carbon and some ether or hydroxyl group. 含氧官能团中无机氧含量较低;有机氧含量相对较高.;随着燃烧的进行;颗粒表面碳、氧官能团呈现不同的变化趋势
- 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。
- The structures and properties of carbon foams vary greatly in terms of the raw materials used and the preparation methods adopted. 不同的制备原料和方法所得泡沫炭的结构和性能也有所不同。
- The surface of the water is full of foam. 水面都是泡沫。
- The results show that both of the precursors can attain the carbon foams with homogeneity pore structure and high open-cell ratio. 结果表明,两种前驱体均能制备得到孔结构均匀、开孔率高的泡沫炭;
- The ship's propeller churned the waves to foam. 那条船的推进器把水浪搅动得泡沫四起。