The rateofrelease can be slowed down by increasing the concentration of gelatin.
提高明胶浓度能进一步延缓药物释放度。
2
The rateofrelease of drugs can be controlled by varying the particle size, degree of cross-linking and the chemistry of resin.
对药物的释放速度可通过改变控制粒子的大小，树脂交联的程度及树脂的化学性质。
3
It is necessary to include as a heat source in the thermodynamic energy equation a term which represents the time rateofrelease of the latent heat of condensation of water vapor.