血清总蛋白测定方法有多种,目前临床实验室应用最广泛的是()
A.双缩脲法
B.染料结合法
C.酚试剂法
D.比浊法
E.紫外分光光度法
参考答案:A
_________ her child's education, she had to work and so was not often at home. [ ]
A. To pay for
B. Pay for
C. Being paid for
D. Paying for
压力管道使用单位要根据本单位生产工艺要求选购压力管道。选购的压力管道应能满足生产过程中()的条件。
A.使用寿命;
B.最高工作温度;
C.最低工作温度;
D.耐腐蚀的要求。