fluorescence emission短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 荧光发射 DTPA and its derivatives could reduce the tryptophan fluorescence emission intensity of dehydrogenase and exhibit little effects on the tyrosine fluorescence intensity. DTPA与脱氢酶作用后使酶分子中的色氨酸荧光强度减弱,对酪氨酸的荧光没有明显影响。 cnki Modification of histidine residue did not change the activity of enzyme and its fluorescence emission peak intensity. 组氨酸残基被修饰后酶活力基本不变,酶的荧光强度也不改变。 cnki