The SRA has better effect than lignosulphonate calcium as the forming retarded time is longer.
在延迟成型时间较长时，SRA起到的缓凝作用比木钙更明显。
2
The effect of epoxy resin and zinc oxide on the mechanical properties of flame retarded HIPS modified by the phosphorus -containing compound.
研究环氧树脂和氧化锌用量对含磷化合物阻燃高抗冲聚苯乙烯(HIPS)力学性能的影响。
3
The lobeline up-regulates the concentration of synapse intermission DA by inhibiting the transport of DAT, so the apoptosis speed of a nerve cell can be stopped or retarded with little adverse effect.