نتایج جستجو برای: polymethylmethacrylate
تعداد نتایج: 1228 فیلتر نتایج به سال:
Projection imaging of 0.1-microm lines and spaces is demonstrated with a Mo/Si multilayer coated Schwarzschild objective and 14-nm illumination from a laser plasma source. This structure has been etched into a silicon wafer by using a trilevel resist and reactive ion etching. Low-contrast modulation at 0.05-microm lines and spaces is observed in polymethylmethacrylate.
Percutaneous vertebroplasty is a minimally invasive procedure in which polymethylmethacrylate polymer is used to treat painful diseased vertebral bodies. However, despite its minimally invasive nature and relative safety, cement leakage beyond involved vertebral bodies into the venous system can induce devastating cardiovascular complications. Here, the authors report a case of multiple cardiac...
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