Which one is not the quality control item of powder
A: Particle size
B: Appearance uniformity
C: Lost on drying
D: Release rate
A: Particle size
B: Appearance uniformity
C: Lost on drying
D: Release rate
举一反三
- Which one is not the purpose of crushing? A: Reduce the particle size of the material B: Increase the specific surface area of the particles C: Adjusting the fluidity of the powder D: Reduce the fluidity of the material
- Two masses collide and stick together. Before the collision one of the masses was at rest. Is there a situation in which the kinetic energy is conserved in such a collision? A: Yes, if the less massive particle is the one initially at rest. B: Yes, if the more massive particle is the one initially at rest. C: Yes, if the two particles have the same mass. D: No, kinetic energy is always lost is such a collision.
- Which one is not the advantage of powder? A: Have more better fluidity B: Easy to disperse, rapid dissolution and rapid effect C: Can simultaneously protect the wound and diminish swelling D: The dosage is easy to control
- You are allowed one carry-on item and one personal item on most flights, and they are both subject to size restrictions.
- Which of the following costs is NOT an appraisal cost for quality control?