专业英语作业_专业英语作业和答案

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原文章：GC／MS法测定干姜挥发油化学成分

摘要 目的 分离鉴定干姜[Zingiber officinale(Willd．)Rosc．]挥发油成分。方法 用气相色谱一质谱(GC／MS)联用技术，应用峰面积归一化法测定各组分的相对含量。结果共测定出57种化合物，占挥发油总量的88．06％，主要为烯及萜类化合物。结论本实验方法可靠，重现性好，能掌握干姜的内在质量特征，为藏药合理利用干姜提供一定的科学依据。

我的英文翻译：

Tilte：By GC-MS method to aay the volatile oil of Zingiber officinale(Willd．)Rosc

Abstract:Objective:separate and identify the volatile oil of Zingiber officinale(Willd．)Rosc.Method:By GC-MS and conand areas of peak normalization method to measure the relative content of each component.Result:totally 57 type of compound had been measured,excluding 88．06％of the volatile oil of Zingiber officinale(Willd．)Rosc, and almost of it are alkenyl compound and terpenoid.Conclusion:the method of this experiment is reliable and reproducible,also could master the inner characteristics to use the ZANG medicine properly and science-based.作者的翻译

Abstract Objective To analyze the chemical constituents of volatile oil from Zingiber officinale．Methods The constituents of volatile oil from Zingiber officinale．was analyzed by technology of GC／MS．Results 57 conpounds were got and identified in the volatile oil．which accounted for 88．06％ of volatile oil．the major chemical compounds in the volatile oil were alkene and terpenes．Conclusion This method iS reliable．stable and repeatable．the data can provide scientific bases for research of Zingiber Omcinale．