NMR spectrum
英
美
网络 核磁共振波谱; 核磁共振光谱; 核磁共振谱
双语例句
- Theoretical Study on NMR Spectrum of Catalpol by DFT
基于DFT的梓醇核磁共振谱的理论研究 - Carbon membrane derived from lignin-phenol-formaldehyde resin is analysed by using CP/ MAS 13C NMR spectrum technology.
采用固体核磁共振技术CP/MAS13cNMR分析了木质素酚醛树脂炭膜。 - We analyzed the structure of sulfuric chitosan through IR and NMR spectrum, and determined this esterify reaction mostly carried through C6-O. We analyzed the mechanism of esterified reaction.
应用红外光谱图和核磁共振谱图对硫酸酯化／磺化壳聚糖衍生物的结构进行了分析，得出硫酸酯化／磺化反应则主要在C6-O上进行。 - Solid-state NMR spectrum is an effective technique for the study of local structural changes and electrochemical performance of positive electrode materials in lithium ion battery.
固体核磁共振波谱法（NMR）是研究锂离子蓄电池正极材料结构变化和电化学性能的一种有效手段。 - The 13C NMR spectrum of HBS is reassigned by using the SCS method of ethylene-α-olefin copolymers and the DEPT NMR experiment.
利用乙烯-α-烯烃共聚物的SCS方法结合DEPTNMR实验技术重新归属了该共聚物的~（13）cNMR谱。 - The structures of ( 1)~( 7), ⅰ~ⅶ were confirmed by FT IR spectrum,~ 1H NMR spectrum and elemental analysis.
产物（1）～（7）、Ⅰ～Ⅶ的结构经红外光谱（FT-IR）、~1HNMR核磁共振谱、元素分析证实。 - Identification of Gastrodia elata and Its Pseudo Materials by NMR Spectrum
核磁共振波谱法鉴定天麻及其伪品 - The 13C& NMR spectrum also shown that the condensation reaction of melamine with formaldehyde formed many methylene ether bridges which liberated less formaldehyde, and formaldehyde emission of plywood were decreased.
~（13）C&NMR分析数据还表明三聚氰胺与甲醛的反应生成了相当数量的亚甲基醚键，降低了甲醛释放量。 - The product was analysed by IR and NMR spectrum.
产品经过红外、核磁分析确认。 - The NMR absorption of the Al_ ( 13) cluster ion was related to solution strength and basicity in~ ( 27) Al NMR spectrum determination.
在27AlNMR谱测定中Al13簇合离子的共振吸收与溶液浓度和盐基度有关。 - A new method of tailored detection of partial NMR spectrum with delaying acquisition time is provided.
本文介绍一种利用延迟采样实现部分谱的Tailored检测的方法。 - The experiment results show that the NMR spectrum of the rock changes obviously as the pore structure changed by applied uniaxial load; otherwise the NMR spectrum area of transverse relaxation time T_ ( 2) is a basic parameter to reflect pore structure change of rock.
实验结果表明，由于外加载荷改变了岩石的孔隙结构，岩石的核磁共振谱产生明显的变化，其中横向弛豫时间T2谱面积是反映岩石孔隙结构变化的一个重要参数。 - The Experimental Methods and Applications of Two-dimensional Carbon-13 NMR Spectrum
二维碳&13核磁共振谱的实验方法及应用 - In the second part, a series of derivants of hydrazide containing pyrazolone have been synthesized and characterized by elemental analysis, IR spectrum, 1H NMR spectrum, MS, UV spectrum and single crystal XRD.
第二部分合成了一系列吡唑啉酮酰肼类化合物，并用元素分析，IR光谱，1HNMR谱，单晶XRD衍射法进行表征。 - The result of experiment makes clear: In the mixed system the each component height of integral in the NMR spectrum has additivity.
实验结果表明，混合体系中各组分在核磁共振图谱中的积分曲线高度也具有加和性。 - In general, two dimensional dynamic NMR spectrum can be obtained by means of three-pulses experiment.
二维动态NMR谱通常可由三脉冲实验得到。 - This paper reports the determination on configuration of 11,12-dihydroxyl artemisinin with high resolution~ 1H NMR spectrum analysis. Two isomers(α,β) for the mentioned compound are found, of which the ratio is 7: 1(α:β).
运用高分辨~1HNMR谱的解析，确定了11,12-双羟基青蒿素的构型，它有α，β两种异构体，其含量比约为7∶1。 - The 1H NMR spectrum of our end product branched PEG tallies with its structure.
最终产物分枝型PEG的1HNMR的表征结果与其结构吻合。 - The existance and relative magnitude of contact shifts, pseudo-contact shifts and anisotropic shielding effects are given by analysis of~ 1H NMR spectrum.
π.分析了~1HNMR谱中接触位移，准接触位移和各向异性效应的存在和相对大小。 - It is confirmed by 13C NMR spectrum that the "H" bonds have been formed between the carbonyl group of the modified resins and the silanol group of sodium silicate.
用13cNMR谱对改性水玻璃进行检查，证实树脂中的羰基和水玻璃中的硅羟基之间形成了氢键。 - In order to determine the configuration of the α hydroxy acid, several chemical methods were tried and the configuration of the α hydroxy acid was established based on NOE difference spectrum, 2D NMR spectrum and circular dichroism.
对用化学方法确定α羟基酸的构型做了探索并通过NOE差谱，二维谱和圆二色谱确定了α羟酸的构型。 - The double bond on the cycle of vinyl ester of dihydroabietic acid could not be found in firmly place by it's NMR spectrum due to having three isomers.
其乙烯酯上乙烯基在核磁共振谱图中呈现为很好的ABX系统；因为二氢枞酸有三个异构体，所以仅用光谱方法无法确定二氢枞酸乙烯酯环内双键的位置。 - RESULTS AND CONCLUSION Nine 2,2-disubstituted-4,6-diamino-1,2-dihydro-s-triazine derivatives, which had not been reported previously, were synthesized. Their structures were confirmed by Elemental analysis, IR spectrum, 1H NMR spectrum and MS spectrum.
结果和结论共合成了9个2,2-双取代-4,6-二氨基-1,2-二氢-1-羟基-s-三嗪类化合物（11-i），结构经元素分析、红外吸收光谱、核磁共振氢谱及质谱确证。 - Analysis of infrared spectra confirmed that the product was identical with that of standard sample. Its purity was up to 98%. 13 C NMR spectrum showed that this polysaccharide was a 2,8 α linked homopolymer of sialic acid.
提取发酵液中的聚唾液酸，红外光谱鉴定其纯度，13C核磁共振图谱表明，该多糖是一种α2,8糖苷键连接的唾液酸同聚物。 - Furthermore, the aqueous solutions properties was investigated by viscometer, DSC and NMR spectrum, the results indicated that the aqueous solutions have a typical behavior of volume phase transition ( VPT).
同时研究了该超支化聚（酰胺-酯）水溶液的性质，实验结果表明，其水溶液的粘度-温度曲线具有典型的体积相变特征，DSC和NMR谱图也给出了相同的结果。 - Phosphorylation of high fatty alcohol with phosphorus pentoxide was studied with the aid of 31 P NMR spectrum.
采用31pNMR波谱对高碳脂肪醇与五氧化二磷的反应进行了研究，定量地表征了产物混合物中的各组分。 - From the resolution results of a four-component NMR spectrum and a nine-component NMR spectrum, it is demonstrated that the proposed algorithm is an effective adaptive immune algorithm.
将其应用于4组分NMR谱和9组分NMR谱的解析，结果表明该方法是一种有效的自适应免疫算法，与免疫遗传算法相比计算速度更快，解析结果更精确。 - The structure of the synthetic products was characterized by IR and XH NMR spectrum. At the same time, we measured the degree of substitution ( DS) of carboxymethyl and the hydrophobic oleyl group.
采用红外光谱和核磁共振氢谱对合成产物进行结构表征，同时对羧甲基取代度和油胺取代度进行了测定。 - 1H NMR spectrum in D2O and transmission electron microscopy ( TEM) analyses has confirmed the formation of MNP.
重水中的1HNMR谱图以及透射电子显微镜（TEM）的结果证明了上述颗粒的形成。 - These eight complexes were characterized by NMR spectrum and elemental analysis.
这八个络合物分别用核磁共振和元素分析进行了表征。