relaxation time的例句大全

Adjusting the pulse width of the laser to the thermal relaxation time of the absorbing construction can avoid thermal side effects and facilitate a selective treatment of the selective cells.

把激光脉宽调整到与吸收颗粒的热弛豫时间一致可以避免热副作用，可对所选细胞产生选择性处理。

Non-radioactive noble gases with a nuclear spin (~ 3He,~ ( 129) Xe) can be hyperpolarized by optical pumping to produce noble gases with large nonequilibrium nuclear polarization and long relaxation time.

某些无放射性的具有自旋特性的惰性气体同位素（如~3He和~（129）Xe），可通过激光抽运超极化，得到很高的非热平衡极化度和长驰豫时间的惰性气体。

Methods Using the basic MRI parameters such as spin density ρ, relaxation time T2 and T1, and the common clinic SE sequences and LR fitting method, quantitative maps were obtained, and the feasibility of pathway was described.

方法利用最基本的磁共振参数，自旋密度ρ、弛豫时间T1、T2以及临床自旋回波序列、线性回归拟合方法得到定量maps，以探索所执行的路线。

We find that the hole spin relaxation time can be extended by one order of magnitude as the temperature decreases.

我们发现随着温度降低，空穴的自旋弛豫时间可能延长一个量级以上。

It is well known that the spin-orbit coupling and hyperfine interaction in organic materials are very weak. So the spin relaxation time in organic materials is relative long.

有机材料由于具有较弱的自旋轨道耦合以及超精细相互作用，因此相对于普通无机半导体具有较长的自旋弛豫时间。

Due to the weak spin-orbital coupling and hyperfine interaction, the carriers in organic materials have a relative long spin relaxation time, so it is a good candidate for spin injection and transport.

有机材料具有较弱的自旋-轨道耦合作用和超精细相互作用，载流子的自旋弛豫时间比较长，因而是理想的实现自旋极化注入候选材料。

In the p-type case, we also predict rich nonmonotonic features in the temperature and density dependences of the hole spin relaxation time, which result from the variation of the hole-impurity and hole-phonon scattering strength.

在p型材料的研究中，我们也预言了空穴自旋弛豫时间丰富的非单调温度、浓度依赖关系。

As the water is determined in dough, the spin-spin relaxation time of dough increased with sucrose content increased.

当水分含量一定时，面团的自旋-自旋弛豫时间随蔗糖含量的增加而增加。

The spin-spin relaxation time ( T 2) is used to study the proton relaxation behavior in crosslinked ( polyacrylamide-acrylic acid) ( P ( AAM-AAc)) network and linear polystyrene ( PS) solution.

用自旋－自旋弛豫时间考察了线型聚苯乙烯溶液与溶胀交联聚丙烯酰胺－丙烯酸凝胶的质子弛豫行为。

The electron spin injection and relaxation in AlGaAs/ GaAs multi quantum well ( MQW) are studied with femtosecond saturation absorption measurements. A electron spin relaxation time of 80 ± 10ps is deduced.

采用飞秒脉冲的饱和吸收光谱方法研究了GaAs AlGaAs多量子阱中电子自旋的注入和弛豫特性，测得电子自旋极化弛豫时间为80±10ps。

Many temperature sensitive MR parameters, such as spin-lattice relaxation time T1, water diffusion coefficient D and water proton resonance frequency ( PRF), can be exploited for MR temperature mapping.

磁共振温度成像可基于多种温度敏感的磁共振参数，如自旋-晶格驰豫时间T1、扩散系数D和水质子自旋频率（PRF）。

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

饱和恢复法人体核磁共振自旋&晶格弛豫时间成象方法

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

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

The polymerization conversion and segment motion of α-methacrylic acid were studied using 1H NMR spectra, spin-lattice relaxation time and spin-spin relaxation time.

用1H NMR谱和质子自旋弛豫时间研究了γ射线辐射引发的α-甲基丙烯酸的聚合反应、其聚合转化率和聚合物链运动与吸收剂量和剂量率的关系。

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.

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。

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.

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；

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.

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；

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.

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。

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.

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）。

It means that the spin diffusion time constant is quite different from the spin-spin relaxation time constant, although the two processes are closely related.

这意味着，自旋扩散时间常数与自旋&自旋弛豫时间常数是很不相同的，虽然这两个相应过程虽密切相关的。