NMR spectra are often calibrated against the known solvent residual proton peak instead of added tetramethylsilane.
核磁共振谱通常是根据已知的溶剂残留质子峰进行校正，而不是添加四甲基硅烷。
Their ir and NMR spectra were measured.
测定了它们的红外光谱和核磁共振波谱。
The structure was confirmed by FTIR and NMR spectra.
并通过质谱、红外谱图和核磁共振谱确认了其结构。
The new compounds were also characterized by NMR spectra and HRMS.
这些新化合物同样得到了核磁波谱和高分辨质谱的表征。
The products were characterized by elemental analysis, IR and 1h NMR spectra.
通过元素分析、红外光谱和1h NMR对产物进行了表征。
The character of NMR spectra was an important proof to judge the reactive place.
NMR图谱的特征是判断葛根素反应位点的一个重要标志。
The 13C-NMR and 1H-NMR spectra were reported for the macrocyclic polyaryl-ester oligomer.
本文报道了环状聚芳酯低聚物的核磁共振碳谱及氢谱。
The occurrence of SBR cyclization was confirmed by the primary analysis of ir and 1 H-NMR spectra.
通过对红外光谱、1H - nmr谱的初步解析，证实了环化反应的发生。
Based on classical and quantum theories, dynamic NMR spectra are simulated by means of DJS-130 computor.
本文在经典和量子理论的基础上，用国产DJS - 130机对核磁共振中的动态谱进行模拟。
The product has been characterized in detail by elemental analysis, infrared, UV, NMR spectra, DSC and TG etc.
其产品的特性用元素分析，红外和紫外光谱，NMR,DSC,TG等进行了详细地表征。
These compounds have not been reported before, and the structures were identified by MS, IR and 1h-nmr spectra.
合成的化合物均未见文献报道，其结构通过了MS、IR以及1 H - NMR谱确证。
This paper deals with the structural formula of polyethylene glycol quaternary ammonium by the 13C-NMR and 1H-NMR spectra.
本文着重从核磁共振光谱的角度（包括氢核磁共振谱和碳核磁共振谱）来研究多甘醇单甲醚季铵盐的结构。
The title compound was synthesized with phenanthrenequinone as starting material and was characterized by IR and 1H NMR spectra.
以菲醌为原料合成了标题化合物，通过IR和1H NM R对其结构进行了表征。
Some typical studies on the grafting and crosslinking of gelatin by NMR spectra were Presented. The analytical method was introduced.
通过NMR谱图对明胶的几个典型接技、交联反应进行研究，介绍了反应的微观情节及NMR谱图用于该研究的大致方法。
NMR spectra of 12 titled compounds are determined. The chemical shifts of 1h and 13c and the data of quantitative analysis are reported.
测定了12个标题化合物的核磁共振谱，报道了它们的1h和13C化学位移以及定量分析数据。
The product was characterized by elemental analysis, melting point, IR and NMR spectra and was found to be in accordance with the expected compound.
它被广泛用作聚酚亚胺材料的单体，国内尚无市售，经元素分析，熔点，IR，NMR表征，表明结果与预期产物相符。合成步骤简单，原料易得。
METHODS Recording the 1D and 2D NMR spectra of lomerizine dihydrochloride while changing the experimental temperature and adding D 2O into the solution.
方法测定其在改变温度和加入重水条件下的各种1D和2 D核磁共振谱。
Sodium acrylate-vinyl acetate random copolymers with different composition were synthesized and characterized, and the peculiar NMR spectra were presented.
合成了不同组成的丙烯酸钠-醋酸乙烯酯无规共聚物，并对其作了表征，给出了奇特的NMR谱。
Method: Separating the constituents by means of chromatography and identifying their structures on the basis of NMR spectra and TLC with authentic samples.
方法：硅胶柱色谱等方法分离，薄层色谱和波谱分析鉴定结构。
Molybdophosphoric acid used as the catalyst, two alkyl glycolates were prepared. The glycolates were characterized by the boiling points and proton NMR spectra.
以钼磷酸为催化剂合成了两种羟基乙酸酯，并经沸点和核磁共振氢谱确定了它们的组成和结构。
The IR and NMR spectra of the polymers indicated that the polymer structure contained ester and ketone units in the backbone, and a cyclic acetals as side chain.
通过对该合聚物的IR和NMR谱图分析，得知该聚合物含有酯基和酮基的结构单元，以及环缩醛的侧链。
Objective By analyzing the NMR spectra of analogs of Baogongteng a, tropane alkaloids, the effects of structural variations on chemical shifts of resonance signals were investigated.
目的通过对包甲素类似物nmr谱的分析，考察其结构差别对共振信号化学位移的影响。
Three photochromic N, N'-1,4-tetramethylene bisspiropyran and bisspirooxazine compounds were synthesized. They have been identified by IR spectra, 1H -NMR spectra and elemental analysis;
合成三种N，N＇-1，4-亚丁基双螺吡喃和双螺恶嗪光致变色化合物，通过红外光谱、核磁共振氢谱及元素分析确证其结构。
A novel metal chromium containing organic monomer, N vinylcarbazole chromium tricarbonyl has been synthesized and the structure has been confirmed by elemental analysis, IR and 1H NMR spectra.
合成一种新的金属铬有机单体N -乙烯基咔唑三羰基铬，经元素分析、IR和1H NMR确证和表征。
The results obtained from the determination of sequence structure of copolyamide of HDA-PPD-TPC showed that the method can be used for copolycondensation polymers with overlapping peak NMR spectra.
该法在HDA-PPD-TPC三元共聚酰胺体系序列结构研究中应用，证明具有较好的适应性和准确性。
The techniques have advantages over conventional single quantum NMR method in obtaining simple analyzable spectra which make study of molecular structure and conformation possible.
多量子NMR能得到比寻常NMR方法简单的解析谱，从而增进了研究分子结构和构型的可能性。
Compared with that of lignin sulfonic acid, the spectra of UV, 1h NMR and IR were changed apparently.
其氧化产物的紫外吸收光谱、1h核磁共振谱和红外光谱有明显改变。
The complexes have been isolated chromatographically and characterized by elemental analysis, electron absorption spectra, infrared spectra and1H NMR spectroscopy.
诸配合物通过层析色谱柱分离，并用元素分析、电子光谱、红外和1h核磁共振所表征。
The pyrazoles ramification containing dithioether is synthesized by one-step method and characterized by H-NMR, IR and UV-Vis spectra.
并采用氢核磁共振，红外光谱和紫外吸收光谱等手段进行了表征。
The pyrazoles ramification containing dithioether is synthesized by one-step method and characterized by H-NMR, IR and UV-Vis spectra.
并采用氢核磁共振，红外光谱和紫外吸收光谱等手段进行了表征。
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