测定PER时,通常采用初断乳的雄性大鼠,被测蛋白质占饲料的10%,实验期(天)一般为()
A.7
B.14
C.21
D.28
E.35
参考答案:D
Which of the following interventions would likely be most effective for the client to use at home when managing the discomfort of rhinoplasty the initial 2 days after surgery
A.Applying ice compresses.
B.Applying warm, moist compresses.
C.Lying in a prone position.
D.Blowing the nose gently.
焦油加工的主要任务是获得酚、萘、蒽等纯产品和()等粗产品。