"分比"相关考试题目
21. 对乙酰氨基酚咀嚼片的含量测定:取本品10片(标示量为80mg/片),精密称定,总片重为2.6821g,研细,精密称取片粉0.1307g,置250ml量瓶中,加0.4%氢氧化钠溶液50ml溶解后,加水至刻度,摇匀,精密量取5ml,置100ml量瓶中,加0.4%氢氧化钠溶液10m1,加水至刻度,摇匀,照分光光度法,在257nm的波长处测得吸收度0.567,按对乙酰氨基酚的百分吸收系数为715计算该咀嚼...
30. 现有数值如下:0.36,0.35,1.47,-0.04,0.01,-0.98,-0.32,0.9,1.6,0.06,-0.61,-1.06,-1.15,-1.38,-0.49,-0.38,-1.11,-0.54,0.12,-0.44,-1.4,1.26,0.72,-0.59,-0.19,0.44,1.37,2.58,-2.02,-0.03,1.13,-0.4,-2.72,0.34,-0.29,-0...
34. 现有数值如下:-1.89,0.22,1.0,-1.47,0.43,-0.02,0.01,-0.79,-0.48,1.0,1.39,-0.03,1.19,0.31,0.14,-0.56,-0.49,2.13,0.48,1.35,0.04,-0.88,-0.02,0.97,1.86,-1.04,0.8,-1.31,0.38,1.39,-2.15,-1.42,0.14,-2.51,-1.21,0.52,...