Electron - beam lithography with a novel multilevel resist structure defines the pattern.采用新型的多层抗蚀剂结构的电子束光刻来形成图形.Composition rich in imaginative design, lithography wonderful way abnormal.设计构图想象力丰富, 刻制手法异常奇妙.Individual s...
Objective To explore the angiographic appearances of the hemodynamic change of spinal dural arteriovenous fistulae ( SDAVF ) .目的探讨硬脊膜动静脉 瘘 血液动力学改变的血管造影表现.The dural is the fin tissue covering the inside of the skull.硬脑膜是覆...