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量子滤波
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  “量子滤波”译为未确定词的双语例句
     STUDY OF INTRACELLULAR SODIUM USING DOUBLE-QUANTUM ILTRATION NMR
     双量子滤波(DQF)核磁共振研究细胞内钠
短句来源
     With binary tree growing and searching techniques, the MQF-COSY and TOCSY of protein or multiple spin coupling systems are partited and spin coupling topological set produced.
     运用二叉树生长及搜索技术对蛋白质及多个自旋偶合系统的样品体系的多量子滤波COSY及TOCSY谱峰进行划分,产生出对应于氨基酸结构单元的互相独立的自旋偶合系统集。
短句来源
     IMPROVING THE RESOLUTION WITH MULTIPLE-QUANTUM FILTER
     用多量子滤波提高分辨率
短句来源
     The distortions have been removed by incorporating spin-lock pulse and Z-filter into DW5 sequence.
     通过自旋锁定和零量子滤波(Z-filter)技术对DW5方法进行了优化,信号峰的相位畸变得到了消除。
短句来源
     Basing on thc results in a prcvious paper, universal analytical expressions for Multiple Quantum Coherence Product Operators(MQCPO) evolving under the influence of Hamiltonian werc derived for weakly coupled spin systems with magnetic equivalence. A set of linear relationships between MQCPO and SAPO, which suited for analysis of multiple quantum filtration experiment, were given.
     在前文工作基础上指导了磁等性弱耦合体系多量子积算符(MQCPO)在哈密顿作用下演化的普适解析式,给出了一组多量子滤波实验分析中常用的MQCPO与对称化乘积算符(SAPO)的线关系式;
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  相似匹配句对
     Self-adapted Median Filtering Inspired by Quantum Theory
     量子衍生自适应中值滤波
短句来源
     IMPROVING THE RESOLUTION WITH MULTIPLE-QUANTUM FILTER
     用多量子滤波提高分辨率
短句来源
     QUANTUM KEY DISTRIBUTION
     量子密码术
短句来源
     Quantum control theory
     量子控制论
短句来源
     Digital Filter
     数字滤波
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  quantum filter
Noise Immunity of a Laser Receiver with an Iodine Active Quantum Filter
      
The effect of a wide-range background exposure on the sensitivity of a laser receiver with an iodine quantum filter (λ =1.315 μm) is theoretically investigated.
      
The second RF pulse together with the two symmetrically applied gradient pulses constitute the double quantum filter.
      


It is proposed that the resolution of 1D-NMR spectra can be improved by means of multiple quantum filter thereby the coupling information from the overlapped spectra can be obtained.It is proved theoretically that this method is in principle to observe the anti-phase magnetization instead of the normal magnetization and is generally independent on relaxation.

本文建议使用多量子滤波方法来提高一维谱的分辨率,从而可从堆集在一起的谱中获得耦合的信息,并从理论上证明了此方法的原理主要是由于反相磁化信号的测量而不是正常磁化信号,它与弛豫的作用无关。

The simulation program PROPER-MT for analysis of multiple-pulse and two-dimensional FT NMR experiments using the algebra of product operators is reported. This program can give analytic expressions of operator state at any moment in experiment, so it is generally suitable for the analysis and hopefully helpful for design of the pulse sequences performed on ImSn (I =1/2. S = 1/2; I ≤ m + n ≤ 4) spin systems with weakly scalar coupled spin-spin interactions. Some typical multiple-pulse and 2D FT NMR experiments,...

The simulation program PROPER-MT for analysis of multiple-pulse and two-dimensional FT NMR experiments using the algebra of product operators is reported. This program can give analytic expressions of operator state at any moment in experiment, so it is generally suitable for the analysis and hopefully helpful for design of the pulse sequences performed on ImSn (I =1/2. S = 1/2; I ≤ m + n ≤ 4) spin systems with weakly scalar coupled spin-spin interactions. Some typical multiple-pulse and 2D FT NMR experiments, particularly; the multiple quantum filtration or/and multiple spin filtration techniques arc simulated with PROPER-MT program. The simulation results are in agreement with that expected.

本文报道了利用乘积算符方法分析多脉冲及二维FT-NMR实验的模拟程序PROPER-MT.该程序对分析弱耦合I_mS_n(I=1/2;S=1/2;1≤m十n<4)自旋体系实验脉冲序列是普遍适用的;它可给出实验过程中体系任何时刻算符的解析表达式.用PROPER-MT程序对一些典型的多脉冲及二维FT-NMR实验进行了模拟,特别对多量子滤波及多自旋滤波脉冲序列进行了分析计算,得到了预期的结果.

Cytotoxin CT-Ⅲ from the venom of Chinese cobra were studied in 2H2O solutions by using onedimensional and two-dimensional 1H NMR, including DQF-COSY. TOCSY, NOESY. The 1H spin systems of the aromatic and methyl-containing residues were analysed. There are some features in the 1H NMR spectrum of cyto-toxin CT-Ⅲ which indicate the presence of extended β-sheet secondary structure. The observed NOE interactions show close proximity in the protein conformation of the aromatic rings of Tyr22 and Tyr51 and the side...

Cytotoxin CT-Ⅲ from the venom of Chinese cobra were studied in 2H2O solutions by using onedimensional and two-dimensional 1H NMR, including DQF-COSY. TOCSY, NOESY. The 1H spin systems of the aromatic and methyl-containing residues were analysed. There are some features in the 1H NMR spectrum of cyto-toxin CT-Ⅲ which indicate the presence of extended β-sheet secondary structure. The observed NOE interactions show close proximity in the protein conformation of the aromatic rings of Tyr22 and Tyr51 and the side chain ofIIe39.

本文用500MHz NMR—维和二维~1H谱研究了重水溶液中的中华眼镜蛇细胞膜毒素CT-III.通过相敏双量子滤波相关谱(DQF-COSY),核Overhauser二维谱(NOESY)和全相关谱(TO-CSY),对含甲基和芳香基团的氨基酸残基的质子自旋体系进行了解析.CT-III~1H谱特征表明有β折迭二级结构存在,NOE二维谱显示Txr22和Tyr51的芳环侧链以及IIe39的侧键在蛋白构象中非常接近.

 
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