sponginess

Image contrast among CT 、 MRI and DSA to encephalic sponginess angioma

颅内海绵状血管瘤的CT、MRI与DSA对比研究

Conclusion : MRI diagnosis to encephalic sponginess angioma is superior to CT and DSA .

结论：MRI对颅内海绵状血管瘤诊断价值优于CT和DSA。

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。

With short time pre-evaporation and low temperature coagulation bath , membrane 's supporting layer is small and uniformity sponginess network-structure .

当预蒸发时间较短和凝固浴温度较高时，膜的支撑层为典型的小而均匀的海绵状网络孔结构，基本看不出过渡层；

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 .

正确估计当前我国房地产市场泡沫程度及其发展趋势，是决定采取何种办法解决问题的关键。

Materials and Methods : We collected 26 patients with encephalic sponginess angioma approved by postoperative pathology , all the patients were diagnosed by CT 、 MRI and DSA .

材料和方法：收集了经手术病理证实的26例颅内海绵状血管瘤的CT、MRI和DSA的影像特点。

A rainfall simulation experiment was carried out to assess the effect on infiltration that covered with different materials . This study focused on the runoff and the change of water infiltration rate , which is under the condition of water penetration and sponginess .

利用人工模拟降雨试验研究不同覆盖材料对降雨入渗能力的影响，重点研究渗水地膜覆盖、海绵薄膜覆盖情况下径流量和水分入渗速率的变化。