另外材料的结晶度和熔点有了一定程度的提高.Also, the point and the degree of crystallization were increased.乙酰苯胺 、 己二酸和邻苯二甲酸氢钾可以使PVC结晶度增大.Acetanilide and hexane diacid, potassium hydrogen phthalate could improve PVC crystallinity.酯化反应使纤维素的结晶度...
汽油检测系统由毛细管节流器组成.The gasoline detection system consists of a capillary restriction.这由一根与汞池相连的毛细管所构成.This consists of a capillary connected to a mercury reservoir.双毛细管比重瓶是一种用于精确测量液体密度的仪器.The bicapillary pyonometer is a too...