acidity and alkaline的用法和样例：
- The finish material are no distortion, no bending,water proof,fire proof and anti corrode from acid and alkaline.
- Lustrous, flat, wonderful color, free from cracks, resistant to dust and germ, wear, overpressure, acid and alkaline.
- Results:Salivary amylase reacted differently to the degree of acid and alkaline of various kinds of fruit.
- Objective:To understand acid and alkaline conditions in the oral cavities of patients with hepatic cirrhosis,peptic ulcer or multiple myeloma.
- Compared with acid and alkaline condition, rhBMP-2m refolded in neutral condition has the best activity of inducing the formation of bone, but rhBMP-2m refolded in acid condition has better dissolubility.