在用邻甲苯胺法测定葡萄糖时,掺入部分甘露醇而导致结果偏离,这种现象说明该实验方法()
A.试剂使用不当
B.工作曲线不标准
C.专一性差
D.灵敏度高
E.线性不够
参考答案:C
--- Students should try to do a little studying every evening throughout the term, rather than study all night during the week before the exam.
--- Exactly. ____________.
A.Practice makes perfect
B.The early bird catches the worm
C.Slow but sure wins the race
D.Delays are dangerous
停工时,抽真空末级尾气放空可加快减压塔恢复常压。