During
cooling of a material, when a single phase solid transforms directly
to two-phase solid, this is called a ( ) reaction.
A: isomorphous
B: eutectic
C: peritectic
D: eutectoid
cooling of a material, when a single phase solid transforms directly
to two-phase solid, this is called a ( ) reaction.
A: isomorphous
B: eutectic
C: peritectic
D: eutectoid
举一反三
- The hypothetical state of drawing small molecules by software is A: Vacuum gas phase B: Atmospheric liquid phase C: Atmospheric solid phase D: Vacuum solid phase
- The a phase indicates ______. A: Sn rich phase B: Sn and Pb rich C: eutectic reaction D: Pb rich phase
- The three-phase composition of soil refers to solid phase, liquid phase and gas phase
- solid phase microextraction（SPME）
- The first phase of the stress response, or General Adaptation<br/>Syndrome is called the ( ). A: Resistance phase B: Adaptation phase C: Alarm phase D: Fight-or-flight phase