液相色谱、质谱联用技术具有分离效能高、选择性好、检测灵敏度高、分析速度快、适用范

液相色谱、质谱联用技术具有分离效能高、选择性好、检测灵敏度高、分析速度快、适用范
The united technologies of Liquid chromatography and mass spectrometry have high separation efficiency,good selectivity,high sensitivity,rapid analysis for a wide range of advantages,LC-MS analysis of unknown compounds have the fast,precise characteristics ,that made It Widely used in various fields expanding.In this paper,use advanced LCT Premier XE liquid chromatography - high resolution time of flight mass spectrometer of our school (Waters,USA) ,for qualitative analysis of the quaternary ammonium compounds and organic silicon compounds that made in our lab ,by optimizing the LC-MS conditions,summed up the law,the establishment of a limited analysis of these two compounds.
中文摘要翻译成英文的,但是我英文不怎样,希望各位帮我修改一下英文摘要啊,