研究生: |
莊祖詮 |
---|---|
論文名稱: |
可攜式低磁場核磁共振系統之改進 The Improvement of Portable Low-Field NMR System |
指導教授: |
楊鴻昌
Yang, Hong-Chang 洪姮娥 Horng, Herng-Er |
學位類別: |
碩士 Master |
系所名稱: |
光電工程研究所 Graduate Institute of Electro-Optical Engineering |
論文出版年: | 2012 |
畢業學年度: | 100 |
語文別: | 中文 |
論文頁數: | 42 |
中文關鍵詞: | 低磁場核磁共振 、可攜式 、超導量子干涉裝置 |
論文種類: | 學術論文 |
相關次數: | 點閱:289 下載:0 |
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本實驗「可攜式低磁場核磁共振之改進」是將原本需放在磁屏蔽屋內所做的實驗,將其縮小化以達到不需要在磁屏蔽屋內就可以做NMR之測量,並且可以將整組系統移到任意的地方做NMR實驗,其優點例如實驗室的轉換、遷移,使NMR實驗教學更方便成本更低廉,亦可實現使Low-Field NMR商品化等優勢。此系統部分使用了實驗室學長所製作之均勻磁場線圈以及梯度磁場線圈組,再加上改良之預極化線圈以及配合之接收線圈,期望能在提高預極化磁場驅使訊雜比(SNR)增高之餘,同時保持更換樣品時系統的穩定性及便利性。
本實驗使用樣品5ml的水,量測了使用自製的Butterworth Filter與STANFORD RESEARCH SYSTEM Filter對於我們實驗結果的差異性,以及不同Bp架構對於實驗的影響。
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