continuous wave NMR,CW NMR

Application of NMR and MS to Structural Analysis of Saccharide;

糖類結(jié)構(gòu)的核磁共振波譜及質(zhì)譜分析

The initiation systems,relative molecular mass,etc of two foreign polymeric flocculants were analyzed by IR,NMR,X-ray energy spectrum etc.

用紅外光譜、核磁共振波譜、X射線能譜等手段剖析了國外某公司2種高分子絮凝劑的引發(fā)體系、相對(duì)分子質(zhì)量等。

Two novel chiral macrocyclic dioxopolyamines,which can be used as NMR chiral solvating agents(CSAs) for chiral carboxylic acids,were synthesized from L-proline through esterification,bridging and ring-closing reaction.

通過紅外光譜、質(zhì)譜、元素分析、一維、二維核磁共振波譜等手段對(duì)目標(biāo)化合物的分子結(jié)構(gòu)進(jìn)行了表征,對(duì)化合物的紅外光譜吸收峰及核磁譜線進(jìn)行了歸屬分析,為進(jìn)一步研究主客體分子之間的相互作用機(jī)理,開發(fā)更多更有效的NMR手性溶解劑提供了光譜依據(jù)。

We applied nuclear magnetic resonance spectroscopy(NMR)to study pancreatic juice(PJ) taken from patients with chronic pancreatitis(CP) and pancreatic cancer.

運(yùn)用核磁共振波譜技術(shù)對(duì)臨床慢性胰腺炎和胰腺癌患者的胰液樣品進(jìn)行體外波譜學(xué)分析,觀察和鑒別胰腺癌和慢性胰腺炎的特征代謝物變化,從而為胰腺癌以及相關(guān)胰腺疾病的病理研究提供基礎(chǔ)數(shù)據(jù)和實(shí)驗(yàn)方法。

Thin layer chromatography (TLC) was applied to separate phenyldibenzophosphole (PDBP) sulfonated products, and the structure of PDBP oxides in PDBP sulfonated products was determined by electrospray ionization mass spectrometry (ESI MS), 13 C nuclear magnetic resonance (NMR), 1H NMR and infrared spectroscopy (IR).

用薄層色譜法制備了 5H 苯基聯(lián)苯膦磺化產(chǎn)物中氧化組分 ,即A斑和B斑的純品 ;分別用電噴霧質(zhì)譜 (ESI MS)、1 3C和1 H核磁共振波譜 (1 3C NMR ,1 H NMR)及紅外光譜法 (IR)鑒定其結(jié)構(gòu)。

The phase of aluminum citrate in an aqueous solution was investigated by using ()~(27)Al nuclear magnetic resonance, spin-lattice relaxation time, digital matching, atomic absorption spectrography and dialysis methods.

通過分析27Al核磁共振波譜、自旋晶格弛豫時(shí)間,結(jié)合數(shù)字?jǐn)M合方法、滲析法和原子吸收分光光度法,對(duì)檸檬酸鋁的形態(tài)結(jié)構(gòu)及其影響因素進(jìn)行了研究;利用轉(zhuǎn)變壓法研究了pH值對(duì)部分水解聚丙烯酰胺與檸檬酸鋁體系交聯(lián)過程的影響。

This article reviews the applications of one-dimensional nuclear magnetic resonance spectroscopy(1D-NMR) and 2D-NMR(COSY,TOCSY,ROESY.

核磁共振波譜法(NMR)是解析物質(zhì)結(jié)構(gòu)最有效的手段,近年該技術(shù)的發(fā)展也很迅速。

The present situation of edible vegetable oil authentication is described,and the principle and research progress of several detection methods,including physical and chemical methods,chromatography,nuclear magnetic resonance spectroscopy,infrared spectroscopy and Raman spectroscopy,are summarized.

闡述了食用植物油摻偽的現(xiàn)狀,綜述了理化方法、色譜法、核磁共振波譜法、紅外光譜法、拉曼光譜法的檢測原理,以及在食用植物油摻假鑒別中的研究進(jìn)展。

continuous wave NMR spectrometer

連續(xù)波核磁共振波譜儀

pulsed-wave NMR spectrometer

脈沖波核磁共振波譜儀

persistent wave NMR spectroscope

邊疆波核磁共振波譜儀

two-coil nuclear magnetic resonance spectrometer

雙線圈核磁共振波譜儀

proton nuclear magnetic resonance spectroscopy

質(zhì)子核磁共振波譜學(xué)

two-dimensional NMR spectroscopy

二維核磁共振波譜學(xué)

pulse type NMR spectroscope

脈沖核磁共振波譜儀

ultra-high frequency nuclear magnetic resonance spectrometer

超高頻核磁共振波譜儀

high impedance NMR spectrometer

高阻抗核磁共振波譜儀

Diagnosis of Cerebri Gliomatosis with Magnetic Resonance Image and Magnetic Resonance Spectroscopy

大腦膠質(zhì)瘤病的核磁共振成像及核磁波譜成像

high resolution proton NMR spectrometer

高分辨率質(zhì)子核磁共振波譜儀

Varian NMR spectrometer

瓦里安核磁共振頻波譜儀

gas-chromatography-nuclear magnetic resonance spectrometer

氣相色譜-核磁共振波譜儀

pulse Fourier transform NMR spectroscope

脈沖傅里葉變換核磁共振波譜儀

high resolution NMR spectroscope

高分辨率核磁共振波譜儀

Fourier transform nuclear magnetic resonance spectrometer

傅里葉變換核磁共振波譜儀

rapid Fourier transform NMR correlation spectroscopy

快速傅立葉變換核磁共振相關(guān)波譜法

Application of NMR and MS to Structural Analysis of Saccharide

糖類結(jié)構(gòu)的核磁共振波譜及質(zhì)譜分析