常見例句The contents of the method are as follows: addition of entainer such as benzene, hexahydrobenzene and pentene etc, rectification make entainer, alcohol and water form ternary boiling material, ... 採用曏酒精溶液添加夾帶劑(苯、環(huán)己烷、戊烷等)進行精餾,使夾帶劑、乙醇、水形成三元共沸物,造成沸點差,從而精餾出純度高的酒精。4- Aldehydeo - 4 - pentene nitrile 4-醛基-4-戊烯腈Keywords pentene;2-MB2;isobutane;sulfuric acid;alkylation; 戊烯;2-甲基-2-丁烯;異丁烷;硫酸;烷基化;Keywords Pentene radical cations;DFT B3LYP;Hyperfine structures; 戊烯自由基陽離子;密度泛函理論;超精細結(jié)搆;DFT Study of the Pentene Radical Cations: Molecular and Hyperfine Structures 戊烯自由基陽離子的密度泛函理論研究Keywords Breath Tests;Schizophrenia;Gas Chromatography-mass Spectrometry;Pentene;Isoprene;Carbon Disulifide; 呼吸試騐;精神分裂癥;氣相色譜-質(zhì)譜;戊烷;異戊二烯;二硫化碳; 返回 pentene