The lipstick sample was coated on glass slide, then the glass was put in the extractionvessel and aromatic amine compounds in the sample were extracted by microwave radiation.
先将口红涂于玻璃片上，然后用微波萃取和高效液相色谱法测定萃取液中的芳香胺类化合物。
2
Aiming at the bad performance of existing retinal blood vessel segmentation methods for small and low contrast vessels, a new segmentation method based on transition region extraction is proposed.