Mechanicaldegradation caused by defective devices or sticking tapes, by aging or defective storage.
机械降解,造成有缺陷的设备或磁带坚持,老化或有缺陷的存储。
2
Conclusion: From the point of view of mechanical strength and degradation performance, Chitosan membrane meet the requirements of guided tissue regeneration.
结论:从材料的机械性能和降解性能上看,壳聚糖膜基本符合用于引导组织再生的要求。
3
Polyacrylamide with ultrahigh molecular weight is easily to degradate such as mechanical, chemical and thermal degradation, it make molecular weight descend.