methods the artifical sponginess skin can be obtained from the effervesced chitin.
方法市售甲壳素经发泡技术制成海绵状人工皮。
objective: to probe into diagnostic value to nature and loality of encephalic sponginess angioma in ct, mri and dsa.
目的:探讨ct、mri与dsa对颅内海绵状血管瘤的定性、定位的诊断价值。
it is a key point to the decision on how to solve the problems to make a correct estimate on the sponginess of the present real estate market and its trend for development.