1kg空气在某热力过程中容积增大10倍、压力降低8倍，该过程中空气

问题单项选择题

1kg空气在某热力过程中容积增大10倍、压力降低8倍，该过程中空气温度的变化为( )倍。

A．10
B．8
C．10/8
D．8/10

答案

参考答案：C

解析：等截面直肋散热的影响因素见下表。

项目

单项选择题

The parents of a 3-year-old boy call the clinic to report chickenpox. When teaching the parents about how to care for the lesions, the nurse would advise which of the following()

A. Soak in a hot tub for 30 minutes three times a day.

B. Take an antihistamine and use calamine lotion on the lesions.

C. Take acetaminophen and use an antibiotic ointment on the lesions.

D. Remove lesions crusts as they form.

查看答案

单项选择题

INMARTSAT卫星系统中，使用全向天线的船站是（）.

A、A

B、B

C、C

D、D

查看答案