【Abstract】This paper is trying to analyze the relationship between man and nature in The Old Man and the Sea from the ......

目的:研究马来酸罗格列酮与盐酸苯乙双胍在不同激发光波长下的酸碱度条件共存时的表面增强拉曼光谱,对两者在酸碱条件下的共存情况......