1) Proton chemical shift
质子化学位移
2) HMQC spectrum
质子检测多量子异核化学位移相关谱
3) HMBC spectrum
质子检测异核多键化学位移相关谱
4) chemical shift
化学位移
1.
Discussion about the chemical shift of substituted benzene;
关于取代苯化学位移的讨论
2.
Correlation of ~1H NMR chemical shift for associated systems by local composition model and two-liquid theory;
用双液理论局部组成模型关联缔合体系核磁共振化学位移
3.
The Calibration of Chemical Shift in NMR Experiments by External Standards;
外标法NMR实验中化学位移的校正
5) chemical shifts
化学位移
1.
The quantum chemistry investigation of 1-Benzyl-Piperazine derivatives and its correlation with ~(13)C NMR chemical shifts;
苄基哌嗪衍生物的量子化学计算和~(13)C NMR化学位移相关性研究
2.
Studies on ~(31)P-NMR and its principle for organophosphorus compounds Ⅰ. Novel empirical rules and principle of ~(31)P-NMR chemical shifts of organophosphorus compounds;
有机磷化合物~(31)P-NMR及其规律研究——Ⅰ.~(31)P-NMR化学位移变化新的经验规律和原理
3.
The chemical shifts and chemical shift difference ofα-H,β-Hon 4,4′-bipyridine andα′-H,β′-H on oxyethyl have beeninvestigated.
通过核磁氢谱法研究酚类化合物与4,4′-联吡啶季铵盐π-π叠加作用,研究了吡啶环上α-H,β-H及氧乙基上的α′-H,β′-H的化学位移值及其改变的情况。
6) Chemical-shift
化学位移
1.
Chemical-shift MR Imaging and T_2WI for Monitor of MR-guided Percutaneous Ethanol Injection for VX2 Tumors of Rabbits;
化学位移成像与T_2WI监控MR介导无水乙醇消融VX2兔的对照研究
2.
Chemical-shift MR imaging of acetic acid during MR-guided percutaneous chemical ablation therapy: experimental study;
化学位移成像监控MR引导乙酸注射治疗兔VX2肿瘤的实验研究
3.
An Experimental Study on in Vitro Chemical-Shift Opposed-Phased Imaging Phantom;
MRI化学位移同、反相位成像的体外实验模型研究
补充资料:“质子-电子偶极-偶极”质子弛豫增强
“质子-电子偶极-偶极”质子弛豫增强
物理学术语。原子核外层中不成对的电子质量小,但磁动性很强,可使局部磁场波动增强,促使氢质子弛豫加快,从而使T1和T2缩短,这种效应即为PEDDPRE。过渡元素和镧系元素大部分在d和f轨道有多个不成对电子,所以其离子往往具有PEDDPRE,可用来作顺磁性对比剂,如钆(Gd)。Gd在外层有7个不成对电子,具有很强的顺磁性。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条