题目

求气相色谱分析法几个常用术语的英语解释
用英语解释一下下列几个面名词
“固定相 分子筛 载气 归一化法 微量进样器 进样 保留时间 峰面积”

提问时间：2020-11-23

答案

The stationary phase is the substance which is fixed in place for the chromatography procedure.
A molecular sieve is a material containing tiny pores of a precise and uniform size that is used as an adsorbent for gases and liquids.
When the mobile phase is gas,it is called eluant gas.
The mobile phase is the phase which moves in a definite direction.In statistics,normalization refers to the division of multiple sets of data by a common variable in order to negate that variable's effect on the data,thus allowing underlying characteristics of the data sets to be compared.
Microinjector is a kind of injector which can make injection in a very small volumn.An injector,ejector,steam ejector or steam injector is a pump-like device that uses the Venturi effect of a converging-diverging nozzle to convert the pressure energy of a motive fluid to velocity energy which creates a low pressure zone that draws in and entrains a suction fluid and then recompresses the mixed fluids by converting velocity energy back into pressure energy.
Injection is a method of putting sample into the column with a syringe or injector
The retention time is the characteristic time it takes for a particular analyte to pass through the system (from the column inlet to the detector) under set conditions.
The area of a peak is called peak area.