A simple and cheap petroleum vapor mass concentration analysis method is needed.
在该领域研究中，迫切需要简单、便宜的油气质量浓度分析方法。
The fundamental parameter method of X-ray fluorescence analysis has many advantages, such as no concentration range limitation of elements, dispensability of standard samples and so on.
本文叙述了利用基本参数法校正源激发合金元素荧光分析的基体效应的基本原理、基体效应的修正方法。
The optical analysis method of gas concentration has advantages of large measurement range, high precision, untouched on-line measurement and so on.
气体浓度光学分析方法具有测量范围宽、精度高、非接触在线测量等优点。
应用推荐