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요약정보
稳态核磁共振实验中弛豫时间T2的测量方法 / Measuring the relaxation time T2 in nuclear magnetic resonance experiment
Resource Type
Academic Journal
Authors
杜晓波
;
付成伟
;
纪媛
;
吕佳明
;
杨博闻
;
夏书涵
;
孙昕
;
梁桁楠
;
崔航
;
龙北玉
;
DU Xiao-bo
;
FU Cheng-wei
;
JI Yuan
;
Lü Jia-ming
;
YANG Bo-wen
;
Xia Shu-han
;
SUN-Xin
;
LIANG Heng-nan
;
CUI Hang
;
LONG Bei-yu
Source
物理实验 / Physics Experimentation
. 38(11):17-23
Subject
稳态核磁共振
共振吸收信号
横向弛豫时间
Origin
Language
Chinese
ISSN
1005-4642
Online Access
Find it @ DONGA
초록
为解决稳态核磁共振实验中氟原子核横向弛豫时间T2传统测量方法操作困难、测量精度差的问题,改进了实验仪器和测量方法.制作了测量线圈和电子积分器并用核磁共振方法进行标定,获得50 Hz扫场信号.将此扫场信号输入到数字示波器x轴,获得了以50 Hz交变磁场为横轴的共振吸收信号.用Origin软件对静态的吸收信号拟合处理,计算出T2,误差小于3%.实验结果表明:该方法借助于Origin软件的数据处理能力,避免了传统测试方法中吸收信号抖动,测量操作更为容易.
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