1.The authors put forward a theory of "four-stages"in mature period of preserved eggs, i.e. hydrade stage, solidifying stage, basic mature stage and afterripening stage.
作者经试验研究,提出了一种皮蛋成熟的“四阶段”理论。
2.A foamable phenolic resin was prepared,through addition,condensation,in the presence of alkali.The resin was foamed with surfactant, foamer,solidifying agent , then the foam phenolplast was given .