AIM: To further validate the effect of collagenase chemonucleolysis and the amount of collagenase through in vitro experiment of collagenase dissolving nucleus gelatinosus.
目的：通过胶原酶对椎间盘髓核的体外溶解实验，进一步验证胶原酶溶盘术的作用并确认胶原酶的用量。
So, the influences of velocity of flow and solution acreage on salt dissolving character are studied in this experiment.
本次室内试验模拟现场采矿方法，对水的流速、溶蚀面积对盐矿溶解特性的影响进行了研究。
The simulative experiment shows that tuff fillings is obviously dissolved under the acid conditions. And with higher acid concentration, the dissolving ability of tuff fillings is intensive.
溶蚀模拟实验表明，在酸性水环境中，凝灰质填隙物发生明显溶蚀，并且酸性介质浓度越高溶蚀作用越强烈。
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