硬度测定时在缓冲溶液中加入EDTA镁二钠盐的作用?
参考答案:
为了提高终点色的灵敏度。
Everyone dose something for ______ purpose; there is no such ______ person who dose things for
nothing in the world.[ ]
A. a; a
B. a;/
C. the; a
D. the; /
患者心烦不得卧,口燥咽干,舌尖红,脉细数。其诊断是()。
A.太阴病证
B.厥阴病证
C.少阳病证
D.少阴热化证
E.少阴寒化证