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Quality improvement of nursing on patients with complex cerebral arteriovenous malformation undergoi
【机 构】
:
Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100079, Pe
【发表日期】
:
2021年07期
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In this work, we report the fabrication of an optical waveguide by single-energy H ion implantation in the Er3 -doped phosphate glass. The ion implantation conditions are with energy of 0.4 MeV and a fluence of 8.0×1016 ions/cm2. The dark mode spectrum o
期刊
以不同孔径的阳极氧化铝(AAO)多孔材料作为研究对象,基于高速摄影和原子发射光谱分别研究了AAO孔径对激光诱导等离子体形态演变和温度的影响,利用吸收光谱及时域有限差分法对样品的光反射率进行测试与仿真分析。研究结果表明:在一定的孔径范围内,随着AAO孔径减小,等离子体的存在时间变长,光谱谱线强度变大,等离子体的电子温度升高;AAO的等离子体参数均大于抛光铝片的,其电子温度比抛光铝片的高2000~3500 K;在一定的孔径范围内,AAO孔径越小,光在样品内部的吸收系数越高,解释了等离子体增强的原因。
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