自旋晶格弛豫

通过1D1HNMR，13cNMR和1H自旋晶格弛豫时间T1对氟喹诺酮类抗菌药物与过渡金属离子Cr3+，Mn2+和Fe3+形成配合物的位置进行了研究，合成了固体配合物，对其进行了元素分析。

By measuring 1H and 13 C NMR signals and 1H spin lattice relaxation time T 1 , we have studied the complexes formed between fluoroquinolone antimicrobials and metal ions Cr 3 + , Mn 2 + and Fe 3 + .

磁化矢量的增长服从单指数规律，自旋晶格弛豫主要由于磁偶极相互作用。

The machenism of spin lattice relaxation was mainly due to the magnetic dipole dipole interaction .

N-正丁基苯胺的~（13）C自旋晶格弛豫研究

The investigation of ~ ( 13 ) c spin - lattice relaxation of n-butyl aniline

分子的完全不对称旋转和甲基内旋转可待因~（13）C核自旋晶格弛豫

Fully Anisotropic Overall Molecular Tumbling with Group Internal Rotation - ~ ( 13 ) C Spin-Lattice Relaxation Study of Codeine

丙烯酰胺-丙烯酸交联共聚凝胶结构与分子运动的~1HNMR自旋晶格弛豫研究

~ 1h NMR spin-lattice relaxation studies on the structure and dynamics of aam-aac copolymer hydrogels

YBa2Cu3O7中Cu的NQR自旋晶格弛豫研究

The Studies of NQR Spin Lattice Relaxation of Cu in Y Ba_2Cu_3O_7

固体氨基酸中甲基碳自旋晶格弛豫的瞬态NOE效应

Transient NOE Effect of ~ ( 13 ) C Methyl Spin-Lattice Relaxation of Amino Acids in Solids

未掺杂聚乙炔中质子的自旋晶格弛豫&局域化的孤子

The proton spin-lattice relaxation in undoped polyacetylene & localized solitons

用强迫恢复法测量原子核自旋晶格弛豫时间T1

The Measurement of Nuclear Spin-lattice Relaxation Time T_1 Using Driven Recovery Method

质子射频场照射对碳－13自旋晶格弛豫的影响

The Effect of ￣ 1H RF Irradiation on ￣( 13 ) CSpin-Lattice Relaxation

掺杂的高温超导体的自旋晶格弛豫率

Spin-lattice relaxation in doped high-t_c superconductors

核自旋晶格弛豫率以及奈特位移的实验结果显示，超导态的电子配对是d波单态配对.d波能隙函数里存在节点，使得准粒子从涡线中心漏到涡线外面。

The temperature dependence of the spin-lattice relaxation rate and the Knight shift indicate d-wave pairing , which brings about the extended quasiparticle states outside the vortex cores .

通过分析27Al核磁共振波谱、自旋晶格弛豫时间，结合数字拟合方法、渗析法和原子吸收分光光度法，对柠檬酸铝的形态结构及其影响因素进行了研究；

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 .

发现质子化学位移值与汽油解吸度，谱线半高宽与活性炭对汽油的饱和吸附容量，自旋晶格弛豫时间与活性炭表面酸性基团总量分别有紧密的联系。

It was found that chemical shifts , half height width of the spectral lines and spin lattice relaxation times are closely related to the degree of desorption of gasoline , adsorption capacity and the amount of surface acid groups of the charcoal respectively .

根据这个转动扩散模型，利用实验测定的自旋&晶格弛豫时间和溶液粘度计算了丙氨酸在不同pH值下的体积。

Using this rotational diffusion model , molecular volumes of alanine in different pH 's were then calculated from the observed spin-lattice relaxation times and solution viscosities .

具体结果包括：（1）应用~1HNMR化学位移和自旋-晶格弛豫时间实验技术对活化氧化铝与水的相互作用进行了研究，并拟合出了水的不同结合状态的自旋-晶格弛豫时间。

The results are : ( 1 ) The water-alumina interaction was studied using high-resolution 1H NMR . The spin-lattice relaxation times ( T1 ) were obtained .

浆体中水质子的化学位移移向低场，自旋&晶格弛豫时间T1值则减小。

It was also indicated that the chemical shift of proton moved to lower field and the spin_lattice relaxation time T 1 increased with the increasing solid content .

发现聚合物与溶剂的溶解度参数之差△δ越大，聚合物在溶液中协同链段运动趋向越明显，~（13）C自旋-晶格弛豫速率（1/T1）越大；

It was found that with the increase of the difference of solubility parameters between polymer and solvent ( A S ), the extent of cooperative segmental motion of the polymer in solution tends to be easier and spin-lattice relaxation rate ( 1 / T1 ) becomes greater .

本文测定了一系列具有不同微观结构的1,2-聚丁二烯样品在四种溶剂的50.3MHz~（13）C自旋-晶格弛豫时间（T1）和核Overhauser效应（NOE）值。

Carbon-13 spin-lattice relaxation time ( T1 ) and nuclear Overhauser factor ( NOE ) series of 1,2-polybutadiene samples with different microstructures in four different solvents were measured at 50.3 MHz .

运用核磁共振手段，研究了室温离子液体1-辛基-3-甲基咪唑四氟硼酸盐（[C8mim][BF4]）在不同比例的离子液体/丙酮混合体系中1H和13C的化学位移及13C的自旋-晶格弛豫时间（T1）。

1H NMR , 13C NMR , and 13C spin-lattice relaxation time ( T1 ) of the mixtures of room temperature ionic liquid [ C8mim ] [ BF4 ] and acetone with different proportions have been studied by NMR .

红宝石中自旋&晶格弛豫直接过程的计算

Calculation of the direct process of spin-lattice relaxation in Ruby

饱和恢复法人体核磁共振自旋&晶格弛豫时间成象方法

Whole body NMR spin-lattice relaxation time imaging using a saturation recovery method

红宝石Cr~（3+）离子的自旋-晶格弛豫时间和浓度效应

Spin-lattice relaxation and concentration effects of cr ~ ( 3 + ) in Ruby

用自旋-晶格弛豫时间T1研究吗啡的不对称旋转和甲基内旋转速度

Analysis of axially symmetric molecular tumbling and methyl internal rotation rates of morphine by ~ ( 13 ) c spin-lattice relaxation time t_1

自旋-晶格弛豫时间结果说明，体系中存在结合水、孔隙水、自由水三种状态的水。

The results of T1 indicate that there exit three states of water in water-alumina system , e.g. , bound water , pore water and bulk water .

本文将叙述什么是自旋-晶格弛豫时间（T1）和自旋-自旋弛豫时间（T2）：用反转恢复和自旋回波法产生T1、T2加权图象。

This paper describes what 's the spin-lattice relaxation time ( T_1 ) and spin-spin relaxation time ( T_2 ); the T_1-weighted MR-Images use for inversion recovery creation ; The T_2-weighted MR-Images use for spin-echo creation .

固定煤焦比变浓度实验中，随着PCCWS浆体浓度的增大，体系中水质子化学位移和半峰宽呈线性增长，自旋-晶格弛豫时间T1呈线性递减；

In experiment of fixed coal-coke ratio but variational concentration , with the increasing solid content , chemical shift of water proton in slurry and half peak width increase by linearity , spin-lattice relaxation time decreases by linearity .

￣14N核四极共振自旋系统的自旋－晶格弛豫是一种双指数弛豫。

The spin - lattice relaxation for a ~ 14N NQR spin system is a dual exponential relax-ation .