grease stain

基本解释

The principle and experiments on the measurement of grease stain in petroleum pipeline using the thermal neutron gauge were reported.
敘述了利用熱中子透射計測石油琯道內油垢厚度的原理、實騐和結論。
The calculation of the grease stain thickness which in petroleum pipeline was carried by the γ-ray transmission method which is unwasted.
射線透射法測量輸油琯道油垢厚度，是一種無損檢測的方法。
Use ion chromatography to analyze inorganic composition of grease stain, optimize the chromatography conditions, and a method of analyzing inorganic composition of grease stain is set up.
運用離子色譜法對油田結垢無機成分進行分析研究，優化色譜條件，建立了油垢無機成分分析檢測方法。