• 磁共振通常根据已知溶剂残留质子进行校正而不是添加四甲基硅烷。

    NMR spectra are often calibrated against the known solvent residual proton peak instead of added tetramethylsilane.

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  • 化合物结构经质、 核磁共振确定

    The structure of the product obtained was confirmed by MS and 1HNMK.

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  • 产物结构红外磁共振确认

    Product structure after infrared spectrum and nuclear magnetic resonance spectrum confirmation.

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  • 氧化产物结构经过磁共振得以确认

    The structure of oxidized product was confirmed by 1 HNMR.

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  • 利用红外光磁共振结构进行了表征。

    Its structure is characterized by IR and NMR.

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  • 通过红外磁共振谱确认了结构

    The structure was confirmed by FTIR and NMR spectra.

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  • 产物结构红外磁共振、元素分析确证。

    The elemental analysis results, the infrared and nuclear magnetic resonance spectraare consistent with the structure.

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  • 产物结构元素分析红外光磁共振谱证实

    The structures of Glucovanillin were identified by elemental analysis, IR and NMR.

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  • 测定了玻璃磁共振(esr)可见吸收

    Electron spin resonance (ESR) spectra and optical absorption spectra in the visible region are determined.

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  • 利用红外光、核磁共振测定了他们的结构

    The structure was identified by means of IR, NMR and MS.

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  • 元素分析红外磁共振确认产物结构

    The structure of products was identified by elementary analysis, infrared spectroscopy and nuclear magnetic spectrum.

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  • 给出用于磁共振谱脉冲梯度单元的详细设计

    The design of a pulsed field gradient unit for USES on NMR spectrometers is discussed.

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  • 红外磁共振表明产物即为本文目标产物pbs

    Infrared spectrum and nuclear magnetic resonance shows that the outcome is the goal PBS of this paper.

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  • 发明可以广泛用于回波情况下的磁共振成像磁共振谱

    This invention can be used for nuclear magnetic resonance and nuclear magnetic resonance spectrum of multiple echoes.

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  • 常规磁共振仪上自行设计和研制磁共振成象系统

    An NMR micro-imaging system was developed on a conventional NMR spectrometer.

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  • 产物红外光1H磁共振X射线衍射确定结构。

    The products were determined through IR, 1H NMR, MS and X-ray single crystal diffraction.

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  • 实用新型涉及一种磁共振系统中的重要部件——磁体

    The utility model relates to a magnet which is an important component in a nuclear magnetic resonance spectrometer system.

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  • 氧化产物紫外吸收1h磁共振谱红外光明显改变

    Compared with that of lignin sulfonic acid, the spectra of UV, 1h NMR and IR were changed apparently.

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  • 磁共振31 PMRS)是无损检测骨骼肌能量代谢标准

    Phosphorus magnetic resonance spectroscopy ( 31P-MRS) has become a gold standard of noninvasive measurement of human skeletal muscle metabolism.

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  • 方法测定其在改变温度加入重水条件下各种1D2 D磁共振

    METHODS Recording the 1D and 2D NMR spectra of lomerizine dihydrochloride while changing the experimental temperature and adding D 2O into the solution.

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  • 结果表明,构造的顺磁共振谱图线自由基浓度最大反射率值增高

    The research results show that the linewidth, radical densities and maximum reflectance of disturbed coals are increased.

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  • X射线衍射仪检测了样品结构测量了样品的阻抗电子磁共振

    The structures of the samples were analyzed by X-ray diffraction, and the impedance spectra and electron paramagnetic resonance spectra were measured.

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  • 采用高分辨二维磁共振谱技术,确定化合物化学结构

    Through high-resolution mass spectrometry and two-dimensional NMR spectroscopy, the invention determines the chemical structure of the compound.

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  • 产物分子结构元素分析红外光及核磁共振1HNMR)进行了鉴定。

    The molecular structure of tertbutyl glycinate hydrochloride is characterized and confirmed by elementary analysis, FTIR and 1HNMR.

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  • 上述聚合物分子量结构通过凝胶渗透红外光磁共振进行表征

    The molecular weight and the structure of the above mentioned polymers were characterized with gel permeation chromatography, infrared and nuclear magnetic resonance.

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  • 测定它们红外光和核磁共振谱,探索了适宜反应条件产物提纯方法

    The favourable reaction conditions and the purification methods of these compounds were found out.

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  • 神经网络数据利用红外,碳13磁共振分子式有机化合物发达国家

    A neural network which utilized data from the infrared spectra, carbon-13 NMR spectra, and molecular formulas of organic compounds was developed.

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  • 结构红外光磁共振谱元素分析证明2乙酰基—7—甲胺基—4—革酮。

    The structure of the product was proved by IR, HNMR and elemental analysis. That is 2 -acetyl - 7 -methylamino -4-bromotropone.

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  • 通过元素分析磁共振谱红外可见吸收单体和聚合物的结构进行了鉴定。

    T heir chemical structures were identified by NMR, UV and ir spectra as well as elemental analysis.

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  • 通过元素分析磁共振谱红外可见吸收单体和聚合物的结构进行了鉴定。

    T heir chemical structures were identified by NMR, UV and ir spectra as well as elemental analysis.

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