1. The solvent variation is one of factors that affect quality of hydrogenated rosin. 溶剂的变化是影响氢化松香质量的一个因素。
2. This study supplies data and experience of treating rosin wastewater in our country. 该研究为了我国松香厂废水处理提供了数据和经验。
3. Effect of different chemical reagents, concentration, adsorbent on the color of polymerized rosin glycerol ester is discussed. 考察了不同的化学试剂、浓度、吸附剂等对聚合松香甘油酯色泽的影响。
英英解释
n.
1. any of a class of solid or semisolid viscous substances obtained either as exudations from certain p
2. rub rosin onto