In recent years, many researchers have used chemicalderivatization in HPLC in attempt to improve detection sensitivity and separation efficiency.
近年来许多研究人员将化学衍生法应用于高效液相色谱中，试图提高检测灵敏度和改善分离效果。
2
The fragmentation pathway of raddeanin A was studied by electrospray ionization mass spectrometry(ESI-MS/MS) together with chemicalderivatization.
以化学衍生结合电喷雾电离质谱（ESI-MS/MS）法研究银莲花素A的质谱裂解方式。
3
The surface chemistry of a high modulus and a low modulus carbon fiber, both before and after nitric acid oxidation, were studied by X-ray photoelectron spectroscopy (XPS) and chemicalderivatization.