英语释义

1. any of three isomeric alkanes C5H12 that occur especially in petroleum

2. any of three isomeric alkanes C5H12 occurring in petroleum especially the volatile flammable liquid straight-chain isomer that has been used to produce anesthesia

片语

pentane isomerization戊烷异构化

phenyl pentane苯基戊烷

ethoxy pentane乙氧基戊烷

n pentane正戊烷

trisubstituted pentane三取代戊烷

Polymethyl pentane聚甲基丙烯酸甲酯

pentane lamp[化工] 戊烷灯

Pentane vesicant戊烷发泡剂

英汉例句

• It is found that the major nitrogen sources in coker gas oils are associated with relatively small pentane insoluble species and an even smaller, highly polar, hexane insoluble species.

  研究发现，焦化蜡油中主要的富氮组分是较小分子的戊烷不溶物，或者是更小分子、极性较强的己烷不溶物。

• Benzene, cyclohexane and normal pentane etc. are frequently used as entrainers in industrial production of anhydrous alcohol through constant boiling and fine distillation.

  工业生产中常用苯、环己烷、正戊烷等作夹带剂进行恒沸精馏生产无水乙醇。

• The aromatic structure of pentane asphaltenes is mainly peri condensed, while for resins the proportion of cata condensed and peri condensed aromatic structures is comparable.

  戊烷沥青质中以迫位缩合的芳香环系结构为主，胶质组分中渺位缩合与迫位缩合的芳香环系结构各占相当比例。

• A method of GC FID is established for the determination of reaction products in synthesizing TAME with methanol and isopentene as raw materials and pentane as solvent.

  建立了一种用于以甲醇、异戊烯为原料、正戊烷为溶剂合成TAME反应产物测定的快速GC- FID分析方法。

• However, simultaneously monitoring nitric oxide, carbon monoxide,hydro-peroxides, nitrites, nitrates, pentane and ethane in the breath, wouldallow a much more definitive diagnosis of asthma.

  无论如何，同时地检测呼吸中的氧化一氮、一氧化碳、,过氧化氢物、亚硝酸盐、硝酸盐,、戊烷和乙烷，将能对哮喘做确定性的诊断。

• By SCFE unit using pentane as solvent, the Saudi Arabian vacuum residue was separated into 16 narrow fractions. The properties and composition of the narrow fractions and the VR were analyzed.

  采用正戊烷为溶剂，利用超临界溶剂抽提精密分离装置将沙特阿拉伯减压渣油抽提分离为16个窄馏份，对抽出油及减压渣油进行了较为全面的性质和组成分析。

• In order to produce n pentane desorbing agent for molecular sieve dewaxing unit, the refining tests for reformed n pentane oil were carried out by using complexing agents.

  为了生产用于分子筛脱蜡装置的正戊烷脱附剂，利用络合化学试剂对切割分离后的重整正戊烷油进行了脱烯烃精制实验。