常見(jiàn)例句雙語(yǔ)例句Spinnable mesophase pitch was prepared from catalytic cracking residue of petroleum and uniform mesophase pitch carbon fibre (MPPCF) was obtained.以石油系催化裂化渣油為原料，調(diào)制出可紡性的中間相瀝青，并紡出均勻的中間相瀝青纖維。Influence of mesophase content, oxidation temperature and oxidation residence time on the non fusible treatment of mesophase petroleum pitch fibre was investigated under air atmosphere.以空氣作為氧化氣氛，考察了氧化溫度、氧化停留時(shí)間、中間相含量對(duì)中間相瀝青纖維不熔化處理的影響。 返回 petroleum pitch fibre