地位（status）

Pedicle flap transfer

Pedicle flap transfer

By "have a hand in the process of transfer" the author refers to those who ______.

A:control the process of transfer B:are involved in the process of transfer C:need help in the process of transfer D:make a big fortune in the process of transfer

Which of the following statements is correct concerning heat transfer?

A:Heat is given off from a high temperature region known as a heat sink B:Heat transfer rate is affected most by the size of the heat sink involved C:Heat transfer rate is affected most by the temperature difference between the heatsource and the heat sink D:Heat transfer by radiation will occur only by mass motion of a fluid substance

Which of the statements listed concerning heat transfer is correct?

A:Heat is always transferred at a constant rate B:Heat transfer rate increases as temperature difference increases C:The rate of heat transfer is not affected by temperature difference D:The high temperature region is known as a heat sink