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- Mixed C4 hydrocarbons 混合碳四烃
- mixed C4 hydrocarbon 混合C4烃
- 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
- It is mainly the butylene in the C4 hydrocarbons that undergoes catalytic reactions over the FCC catalyst and butane is hard to convert. 在C4烃类催化转化过程中，丁烯是主要的反应物，而丁烷几乎不反应；
- The mass fraction of n-butene in mixed C4 from catalytic cracking after etherized was approximately 40%. 醚化后的催化裂化混合C4中含有质量分数约为40%25的正丁烯,是生产丙烯的优质原料。
- And n-butene in mixed C4 is a cheap and easily available raw material for s-butanol prepared with hydrate. 由混合C4中的正丁烯生产仲丁醇，具有原料廉价易得等特点。
- The developing trends of solvent deasphalting was explored,such as wide application of the heavy mixed C4 s... 探讨了溶剂脱沥青工艺的发展趋势,如广泛使用混合C4等重溶剂,发展和完善组合工艺,综合利用脱沥青油组分等。
- The reaction rules of mixed C4 was investigated in a micro fixed-bed apparatus over a conventional catalytic cracking equilibrated catalyst. 结果表明,混合C4在普通催化裂化平衡剂的作用下不仅可裂解生产丙烯,而且能够副产异丁烯。
- The dissolution equilibrium of DHVR with mixed C4 solvent was studied in a successive equipment self designed for determining the solubility of residue. 在连续式渣油溶解度测定装置上研究了大庆-黄岛减压渣油（DHVR）与混合C4溶剂的溶剂平衡规律。
- Keywords mixed C4;catalytic cracking;catalyst;butylene;propylene;iso-butylene; 混合C;催化裂化;催化剂;丁烯;丙烯;异丁烯;
- Don't mix up this pair of synonyms. 别把这两个近义词混淆了。
- He has mixed with crowd together but has not found. 他已同人群混杂在一起而找不到了。
- He finds it hard to mix at parties. 他感到很难在聚会上与人攀谈。
- The competition entries were a very mixed bag. 参赛者是错落不齐的大杂烩。
- The old man decided not to mix in politics. 那位老人决定不参与政治。
- Cracking of C4 hydrocarbons C4烃的裂解
- Pink and blue mix well together. 粉色和蓝色在一起很协调。
- C4 hydrocarbons C4烃
- Put the mixed historical facts in sequence. 将混淆的历史事件按顺序排列。
- First, ore is mixed with coke and limestone. 先把铁矿石和焦碳、石灰石混合在一起。
