FT Wax is an important coal chemical product which used in a wide range of applications,such as leather shoe oils,waxes products,daily necessities,paints an
Traditional degradation methods for N-nitrosamines are either confined with acid solution1,2 or required for additional chemical reagents3 to guarantee high
Imaging of cholesterol and other metabolites simultaneously by ambient mass spectrometry will greatly benefit biological studies,however,it still remains ch