常見例句雙語例句Hydrogen storage properties of anthracite-based crystallitic carbon were better than needle coke and that crystallitic carbon made from sponge coke and activated carbon.無煙煤基微晶碳和乙炔熱解沉積碳的儲氫性能要比海綿焦基微晶碳、針狀焦和活性炭基微晶碳好。Liaohe FCCDO is a better raw material to produce needle coke because it has a high content of aromatics, low content of asphalt and narrow distribution of molecular weight.遼河催化裂化澄清油中芳烴含量高、瀝青質含量低、分子量分布窄，是生產針狀焦的優(yōu)質原料，但其所含的灰分對澄清油的加工利用有著較大影響。No needle coke with a uniaxial flow texture was made from LH or SN feedstock under various carbonization conditions.結果表明，在較寬條件下兩種原料單獨焦化均得不到取向度高的流線型結構。 返回 needle coke