nmr spectroscopy

基本解釋

The fundamental principle of MRI is introduced briefly , and Compared with the traditional NMR spectroscopy.
簡短地介紹了核磁共振成象的基本原理，并與傳統(tǒng)的核磁共振波譜學(xué)進(jìn)行了比較。
Infrared Spectroscopy Analysis and NMR Spectroscopy Analysis showed that the structure of LMWC was almost the same as chitosan.
核磁共振波譜分析和紅外光譜分析證明，低分子量殼聚糖的結(jié)構(gòu)相對于殼聚糖原料并未發(fā)生變化。
The single crystal of HEDP was obtained through recrystallization method, which was characterized by single crystal X-ray diffraction technique, infrared and NMR spectroscopy.
用重結(jié)晶方法得到了羥基乙叉二膦酸的單晶，通過單晶X-射線衍射技術(shù)測定了晶體的結(jié)構(gòu)，并用紅外光譜和核磁共振波譜對其進(jìn)行了表征。

核磁共振
Curcumin dinicotinate was synthesized from nicotinic acid and curcumin by employing the acylchloride method. Its chemical structure was confirmed by MS,IR,and ～1H NMR spectroscopy.
以煙酸和姜黃素為原料,采用酰氯法經(jīng)過二步反應(yīng)合成了姜黃素?zé)熕狨?經(jīng)紅外光譜、核磁共振氫譜及質(zhì)譜確證了該目標(biāo)化合物的化學(xué)結(jié)構(gòu)。
核磁共振波譜法
核磁共振譜法